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					                                             BC_CodeFlagTable


SNo    FXY      CodeFigure      enDescription1                                       enDescription2
   1   001003   0               Antarctica
   2   001003   1               Region I
   3   001003   2               Region II
   4   001003   3               Region III
   5   001003   4               Region IV
   6   001003   5               Region V
   7   001003   6               Region VI
   8   001003   7               Missing value
   9   001024   0               No wind speed data available
  10   001024   1               AMSR-E data
  11   001024   2               TMI data
  12   001024   3               NWP: ECMWF
  13   001024   4               NWP: UK Met Office
  14   001024   5               NWP: NCEP
  15   001024   6               Reference climatology
  16   001024   7               ERS_Scatterometer
  17   001024   8-30            Reserved for future use
  18   001024   31              Missing value
  19   001028   0               No AOD data available
  20   001028   1               NESDIS
  21   001028   2               NAVOCEANO
  22   001028   3               NAAPS
  23   001028   4               MERIS
  24   001028   5               AATSR
  25   001028   6-30            Reserved for future use
  26   001028   31              Missing value
  27   001029   0               No SSI data available
  28   001029   1               MSG_SEVIRI
  29   001029   2               GOES East
  30   001029   3               GOES West
  31   001029   4               ECMWF
  32   001029   5               NCEP
  33   001029   6               UK Met Office
  34   001029   7-30            Reserved for future use
  35   001029   31              Missing value
  36   001036   0-036000        Reserved
  37   001036   036001          Australia, Bureau of Meteorology (BOM)
  38   001036   036002          Australia, Joint Australian Facility for Ocean Observing Systems (JAFOOS)
  39   001036   036003          Australia, the Commonwealth Scientific and Industrial Research Organisation (CSIRO)
  40   001036   036004-124000   Reserved
  41   001036   124001          Canada, Marine Environmental Data Service (MEDS)
  42   001036   124002          Canada, Institute of Ocean Sciences (IOS)
  43   001036   124003-156000   Reserved
  44   001036   156001          China, The State Oceanic Administration
  45   001036   156002          China, Second Institute of Oceanography State Oceanic Administration
  46   001036   156003          China, Institute of Ocean Technology
  47   001036   156004-250000   Reserved
  48   001036   250001          France, Institut de Recherche pour le Développement (IRD)
  49   001036   250002          France, Institut Français de Recherche pour l'Exploitation de la mer (IFREMER)
  50   001036   250003-276000   Reserved
  51   001036   276001          Germany, Bundesamt fuer Seeschiffahrt und Hydrographie (BSH)


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                                           BC_CodeFlagTable


 52   001036   276002         Germany, Institut fuer Meereskunde, Kiel
 53   001036   276003-356000 Reserved
 54   001036   356001         India, National Institute of Oceanography (NIO)
 55   001036   356002         India, National Institute for Ocean Technology (NIOT)
 56   001036   356003         India, National Centre for Ocean Information Service
 57   001036   356004-392000 Reserved
 58   001036   392001         Japan, Japan Meteorological Agency (JMA)
 59   001036   392002         Japan, Frontier Observational Research System for Global Change
 60   001036   392003         Japan, Japan Marine Science and Technology Centre (JAMSTEC)
 61   001036   392004-410000 Reserved
 62   001036   410001         Republic of Korea, Seoul National University
 63   001036   410002         Republic of Korea, Korea Ocean Research and Development Institute (KORDI)
 64   001036   410003         Republic of Korea, Meteorological Research Institute
 65   001036   410004-540000 Reserved
 66   001036   540001         New Caledonia, Institut de Recherche pour le Développement (IRD)
 67   001036   540002-554000 Reserved
 68   001036   554001         New Zealand, National Institute of Water and Atmospheric Research (NIWA)
 69   001036   554002-64300 Reserved
 70   001036   643001         Russia, State Oceanographic Institute of Roshydromet
 71   001036   643002         Russia, Federal Service for Hydrometeorology and Environmental Monitoring
 72   001036   643003-724000 Reserved
 73   001036   724001         Spain, Instituto Español de Oceanografia
 74   001036   724002-826000 Reserved
 75   001036   826001         United Kingdom, Hydrographic Office
 76   001036   826002         United Kingdom, Southampton Oceanography Centre (SOC)
 77   001036   826003-840000 Reserved
 78   001036   840001         USA, NOAA Atlantic Oceanographic and Meteorological Laboratories (AOML)
 79   001036   840002         USA, NOAA Pacific Marine Environmental Laboratories (PMEL)
 80   001036   840003         USA, Scripps Institution of Oceanography (SIO)
 81   001036   840004         USA, Woods Hole Oceanographic Institution (WHOI)
 82   001036   840005         USA, University of Washington
 83   001036   840006         USA, Naval Oceanographic Office
 84   001036   840007-1048574 Reserved
 85   001036   1048575        Missing value
 86   001038   0              No sea ice set
 87   001038   1              NSIDC SSM/I Cavalieri et al (1992)
 88   001038   2              AMSR-E
 89   001038   3              ECMWF
 90   001038   4              CMS (France) cloud mask used by Medspiration
 91   001038   5              EUMETSAT OSI-SAF
 92   001038   6-30           Reserved for future use
 93   001038   31             Missing value
 94   001090   0              Lagged-Average Forecasting (LAF)
 95   001090   1              Breeding
 96   001090   2              Singular vectors
 97   001090   3              Multiple analysis cycles
 98   001090   4-191          Reserved
 99   001090   192-254        Reserved for local use
100   001090   255            Missing value
101   001092   0              Unperturbed high-resolution control forecast
102   001092   1              Unperturbed low-resolution control forecast
103   001092   2              Negatively perturbed forecast


                                                 Page 2
                                      BC_CodeFlagTable


104   001092   3         Positively perturbed forecast
105   001092   4-191     Reserved
106   001092   192-254   Reserved for local use
107   001092   255       Missing value
108   001101   0-99      Reserved
109   001101   100       Algeria
110   001101   101       Angola
111   001101   102       Benin
112   001101   103       Botswana
113   001101   104       Burkina Faso
114   001101   105       Burundi
115   001101   106       Cameroon
116   001101   107       Cape Verde
117   001101   108       Central African Republic
118   001101   109       Chad
119   001101   110       Comoros
120   001101   111       Congo
121   001101   112       Cote d'Ivoire
122   001101   113       Democratic Republic of the Congo
123   001101   114       Djibouti
124   001101   115       Egypt
125   001101   116       Eritrea
126   001101   117       Ethiopia
127   001101   118       France (RA I)
128   001101   119       Gabon
129   001101   120       Gambia
130   001101   121       Ghana
131   001101   122       Guinea
132   001101   123       Guinea-Bissau
133   001101   124       Kenya
134   001101   125       Lesotho
135   001101   126       Liberia
136   001101   127       Libyan Arab Jamahiriya
137   001101   128       Madagascar
138   001101   129       Malawi
139   001101   130       Mali
140   001101   131       Mauritania
141   001101   132       Mauritius
142   001101   133       Morocco
143   001101   134       Mozambique
144   001101   135       Namibia
145   001101   136       Niger
146   001101   137       Nigeria
147   001101   138       Portugal (RA I)
148   001101   139       Rwanda
149   001101   140       Sao Tom and Prince
150   001101   141       Senegal
151   001101   142       Seychelles
152   001101   143       Sierra Leone
153   001101   144       Somalia
154   001101   145       South Africa
155   001101   146       Spain


                                           Page 3
                                      BC_CodeFlagTable


156   001101   147       Sudan
157   001101   148       Swaziland
158   001101   149       Togo
159   001101   150       Tunisia
160   001101   151       Uganda
161   001101   152       United Kingdom of Great Britain and Northern Ireland (RA I)
162   001101   153       United Republic of Tanzania
163   001101   154       Zambia
164   001101   155       Zimbabwe
165   001101   156-199   Reserved for Region I (Africa)
166   001101   200       Afghanistan
167   001101   201       Bahrain
168   001101   202       Bangladesh
169   001101   203       Bhutan
170   001101   204       Cambodia
171   001101   205       China
172   001101   206       Democratic People's Republic of Korea
173   001101   207       Hong Kong, China
174   001101   208       India
175   001101   209       Iran, Islamic Republic of
176   001101   210       Iraq
177   001101   211       Japan
178   001101   212       Kazakhstan
179   001101   213       Kuwait
180   001101   214       Kyrgyz Republic
181   001101   215       Lao People's Democratic Republic
182   001101   216       Macao, China
183   001101   217       Maldives
184   001101   218       Mongolia
185   001101   219       Myanmar
186   001101   220       Nepal
187   001101   221       Oman
188   001101   222       Pakistan
189   001101   223       Qatar
190   001101   224       Republic of Korea
191   001101   225       Republic of Yemen
192   001101   226       Russian Federation (RA II)
193   001101   227       Saudi Arabia
194   001101   228       Sri Lanka
195   001101   229       Tajikistan
196   001101   230       Thailand
197   001101   231       Turkmenistan
198   001101   232       United Arab Emirates
199   001101   233       Uzbekistan
200   001101   234       Viet Nam, Socialist Republic of
201   001101   235-299   Reserved for Region II (Asia)
202   001101   300       Argentina
203   001101   301       Bolivia
204   001101   302       Brazil
205   001101   303       Chile
206   001101   304       Colombia
207   001101   305       Ecuador


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                                      BC_CodeFlagTable


208   001101   306       France
209   001101   307       Guyana
210   001101   308       Paraguay
211   001101   309       Peru
212   001101   310       Suriname
213   001101   311       Uruguay
214   001101   312       Venezuela
215   001101   313-399   Reserved for Region III (South America)
216   001101   400       Antigua and Barbuda
217   001101   401       Bahamas
218   001101   402       Barbados
219   001101   403       Belize
220   001101   404       British Caribbean Territories
221   001101   405       Canada
222   001101   406       Colombia
223   001101   407       Costa Rica
224   001101   408       Cuba
225   001101   409       Dominica
226   001101   410       Dominican Republic
227   001101   411       El Salvador
228   001101   412       France (RA IV)
229   001101   413       Guatemala
230   001101   414       Haiti
231   001101   415       Honduras
232   001101   416       Jamaica
233   001101   417       Mexico
234   001101   418       Netherlands Antilles and Aruba
235   001101   419       Nicaragua
236   001101   420       Panama
237   001101   421       Saint Lucia
238   001101   422       Trinidad and Tobago
239   001101   423       United Kingdom of Great Britain and Northern Ireland (RA IV)
240   001101   424       United States of America (RA IV)
241   001101   425       Venezuela
242   001101   426-499   Reserved for Region IV (North America, Central America and the Caribbean)
243   001101   500       Australia
244   001101   501       Brunei Darussalam
245   001101   502       Cook Islands
246   001101   503       Fiji
247   001101   504       French Polynesia
248   001101   505       Indonesia
249   001101   506       Kiribati
250   001101   507       Malaysia
251   001101   508       Micronesia, Federated States of
252   001101   509       New Caledonia
253   001101   510       New Zealand
254   001101   511       Niue
255   001101   512       Papua New Guinea
256   001101   513       Philippines
257   001101   514       Samoa
258   001101   515       Singapore
259   001101   516       Solomon Islands


                                            Page 5
                                      BC_CodeFlagTable


260   001101   517       Tonga
261   001101   518       United Kingdom of Great Britain and Northern Ireland (RA V)
262   001101   519       United States of America (RA V)
263   001101   520       Vanuatu
264   001101   521–599   Reserved for Region V (South-West Pacific)
265   001101   600       Albania
266   001101   601       Armenia
267   001101   602       Austria
268   001101   603       Azerbaijan
269   001101   604       Belarus
270   001101   605       Belgium
271   001101   606       Bosnia and Herzegovina
272   001101   607       Bulgaria
273   001101   608       Croatia
274   001101   609       Cyprus
275   001101   610       Czech Republic
276   001101   611       Denmark
277   001101   612       Estonia
278   001101   613       Finland
279   001101   614       France (RA VI)
280   001101   615       Georgia
281   001101   616       Germany
282   001101   617       Greece
283   001101   618       Hungary
284   001101   619       Iceland
285   001101   620       Ireland
286   001101   621       Israel
287   001101   622       Italy
288   001101   623       Jordan
289   001101   624       Kazakhstan
290   001101   625       Latvia
291   001101   626       Lebanon
292   001101   627       Lithuania
293   001101   628       Luxembourg
294   001101   629       Malta
295   001101   630       Monaco
296   001101   631       Montenegro
297   001101   632       Netherlands
298   001101   633       Norway
299   001101   634       Poland
300   001101   635       Portugal (RA VI)
301   001101   636       Republic of Moldova
302   001101   637       Romania
303   001101   638       Russian Federation (RA VI)
304   001101   639       Serbia
305   001101   640       Slovakia
306   001101   641       Slovenia
307   001101   642       Spain
308   001101   643       Sweden
309   001101   644       Switzerland
310   001101   645       Syrian Arab Republic
311   001101   646       The Former Yugoslav Republic of Macedonia


                                            Page 6
                                        BC_CodeFlagTable


312   001101   647         Turkey
313   001101   648         Ukraine
314   001101   649         United Kingdom of Great Britain and Northern Ireland (RA VI)
315   001101   650-699     Reserved for Region VI (Europe)
316   001101   700-999     Reserved
317   001101   1000-1022   Not used
318   001101   1023        Missing value
319   002001   0           Automatic
320   002001   1           Manned
321   002001   2           Hybrid:both manned and automatic
322   002001   3           Missing value
323   002002   1           Certified Instruments
324   002002   2           Originally measured in knots
325   002002   3           Originally measured in km h-1
326   002002   All 4       Missing value
327   002003   0           Pressure Instrument associated with wind measuring equipment
328   002003   1           Optical theodolite
329   002003   2           Radio theodolite
330   002003   3           Radar
331   002003   4           VLF-Omega
332   002003   5           Loran C
333   002003   6           Wind profiler
334   002003   7           Satellite navigation
335   002003   8           Radio-acoustic Sounding System (RASS)
336   002003   9           Sodar
337   002003   10-13       Reserved
338   002003   14          Pressure instrument associated with wind measuring equipment but pressure element failed d
339   002003   15          Missing value
340   002004   0           USA open pan evaporimeter (without cover)           Evaporation
341   002004   1           USA open pan evaporimeter (mesh covered)            Evaporation
342   002004   2           GGI 3000 evaporimeter (sunken)                      Evaporation
343   002004   3           20 m2 tank                                          Evaporation
344   002004   4           Others                                              Evaporation
345   002004   5           Rice                                                Evapotraspiration
346   002004   6           Wheat                                               Evapotraspiration
347   002004   7           Maize                                               Evapotraspiration
348   002004   8           Sorghum                                             Evapotraspiration
349   002004   9           Other crops                                         Evapotraspiration
350   002004   10-14       Reserved
351   002004   15          Missing value
352   002013   0           No correction
353   002013   1           CIMO solar corrected and CIMO infrared corrected
354   002013   2           CIMO solar corrected and infrared corrected
355   002013   3           CIMO solar corrected only
356   002013   4           Solar and infrared corrected automatically by radiosonde system
357   002013   5           Solar corrected automatically by radiosonde system
358   002013   6           Solar and infrared corrected as specified by country
359   002013   7           Solar corrected as specified by country
360   002013   8-14        Reserved
361   002013   15          Missing value
362   002015   0           Reserved
363   002015   1           Pressure only radiosonde


                                              Page 7
                                     BC_CodeFlagTable


364   002015   2         Pressure only radiosonde plus transponder
365   002015   3         Pressure only radiosonde plus radar reflector
366   002015   4         No-pressure radiosonde plus transponder
367   002015   5         No-pressure radiosonde plus radar reflector
368   002015   6-14      Reserved
369   002015   15        Missing value
370   002016   1         Train regulator
371   002016   2         Light unit
372   002016   3         Parachute
373   002016   4         Rooftop release
374   002016   All 5     Missing value
375   002020   0         Nimbus
376   002020   1         VTPR
377   002020   2         Tiros 1 (Tiros, NOAA-6 to NOAA-13)
378   002020   3         Tiros 2 (NOAA-14 onwards)
379   002020   10        EOS
380   002020   31        DMSP
381   002020   61        EUMETSAT Polar System (EPS)
382   002020   91        ERS
383   002020   121       ADEOS
384   002020   241       GOES
385   002020   261       JASON
386   002020   271       GMS
387   002020   272       MTSAT
388   002020   301       INSAT
389   002020   331       METEOSAT Operational Programme (MOP)
390   002020   332       METEOSAT Transitional Programme (MTP)
391   002020   333       METEOSAT Second Generation Programme (MSG)
392   002020   351       GOMS
393   002020   380       FY-1
394   002020   381       FY-2
395   002020   382-400   Reserved
396   002020   401       GPS
397   002020   402       GLONASS
398   002020   403       GALILEO
399   002020   404-510   Reserved
400   002020   511       Missing value
401   002021   1         High resolution Infrared sounder (HIRS)
402   002021   2         Microwave sounding unit (MSU)
403   002021   3         Stratospheric sounding unit (SSU)
404   002021   4         AMI (Advanced microwave instrument) Wind mode
405   002021   5         AMI (Advanced microwave instrument) Wave mode
406   002021   6         AMI (Advanced microwave instrument) Image mode
407   002021   7         RADAR altimeter
408   002021   8         ATSR (along track scanning radiometer)
409   002021   All 9     Missing value
410   002022   1         Processing technique not defined
411   002022   2         Automated statistical regression
412   002022   3         Clear path
413   002022   4         Partly cloudy path
414   002022   5         Cloudy path
415   002022   6-7       Reserved


                                          Page 8
                                      BC_CodeFlagTable


416   002022   All 8    Missing value
417   002023   0        Reserved
418   002023   1        Wind derived from cloud motion observed in the infrared channel
419   002023   2        Wind derived from cloud motion observed in the visible channel
420   002023   3        Wind derived from motion observed in the water vapour channel
421   002023   4        Wind derived from motion observed in a combination of spectral channels
422   002023   5        Wind derived from motion observed in the water vapour channel in clear air
423   002023   6        Wind derived from motion observed in the ozone channel
424   002023   7        Wind derived from motion observed in water vapour channel (cloud or clear air not specified)
425   002023   8-12     Reserved
426   002023   13       Root-mean-square
427   002023   14       Reserved
428   002023   15       Missing value
429   002024   0        Reserved
430   002024   1        Table with full range of humidity variation in layer
431   002024   2        Regression technique on 2 humidity values in layer
432   002024   3-14     Reserved
433   002024   15       Missing value
434   002025   1        Reserved
435   002025   2        HIRS                                                 Group 1 - Layer precipitable water for the la
436   002025   3        MSU                                                  Group 1 - Layer precipitable water for the la
437   002025   4-5      Reserved                                             Group 1 - Layer precipitable water for the la
438   002025   6        HIRS                                                 Group 2 - Tropopause temperature and pre
439   002025   7        MSU                                                  Group 2 - Tropopause temperature and pre
440   002025   8-9      Reserved                                             Group 2 - Tropopause temperature and pre
441   002025   10       HIRS (1, 2, 3, 8, 9, 16, 17)                         Group 3 - Total ozone
442   002025   11       HIRS (1, 2, 3, 9, 17)                                Group 3 - Total ozone
443   002025   12       MSU                                                  Group 3 - Total ozone
444   002025   13-14    Reserved                                             Group 3 - Total ozone
445   002025   15       HIRS                                                 Group 4 - Mean temperature for the layers:
446   002025   16       HIRS*                                                Group 4 - Mean temperature for the layers:
447   002025   17       MSU                                                  Group 4 - Mean temperature for the layers:
448   002025   18       SKINTK (ocean only)                                  Group 4 - Mean temperature for the layers:
449   002025   19-20    Reserved                                             Group 4 - Mean temperature for the layers:
450   002025   21       HIRS*                                                Group 5 - Channel combinations used to ob
451   002025   22       SSU                                                  Group 5 - Channel combinations used to ob
452   002025   23       MSU (3, 4)                                           Group 5 - Channel combinations used to ob
453   002025   24       Reserved                                             Group 5 - Channel combinations used to ob
454   002025   All 25   Missing value
455   002030   0        Reserved
456   002030   1*       ADCP (Acoustic Doppler Current Profiler)
457   002030   2        GEK (Geomagnetic ElectroKinetograph)
458   002030   3        Ship's set and drift determined by fixes 3-6 hours apart
459   002030   4        Ship's set and drift determined by fixes more than 6 hours but less than 12 hours apart
460   002030   5        Drift of buoy
461   002030   6        ADCP (Acoustic Doppler Current Profiler)
462   002030   7        Missing value
463   002031   0        Reserved
464   002031   1        Instantaneous                                        between H 1 and H
465   002031   2        Averaged over 3 minutes or less                      between H 1 and H
466   002031   3        Averaged over more than 3 minutes, but 6 at the most between H 1 and H
467   002031   4        Averaged over more than 6 minutes, but 12 at the mostbetween H 1 and H


                                             Page 9
                                     BC_CodeFlagTable


468   002031   5       Instantaneous                                       between H 2 and H 1
469   002031   6       Averaged over 3 minutes or less                     between H 2 and H 1
470   002031   7       Averaged over more than 3 minutes, but 6 at the mostbetween H 2 and H 1
471   002031   8                                                           between H 2 and H 1
                       Averaged over more than 6 minutes, but 12 at the most
472   002031   9       Vector or Doppler current profiling method not used
473   002031   10      Reserved
474   002031   11      1 hour or less
475   002031   12      More than 1 hour but 2 at the most
476   002031   13      More than 2 hours but 4 at the most
477   002031   14      More than 4 hours but 8 at the most
478   002031   15      More than 8 hours but 12 at the most
479   002031   16      More than 12 hours but 18 at the most
480   002031   17      More than 18 hours but 24 at the most
481   002031   18      Reserved
482   002031   19      Drift method not used
483   002031   20-30   Reserved
484   002031   31      Missing value
485   002032   0       Values at selected depths (data points fixed by the instrument or selected by any other method
486   002032   1       Values at selected depths (data points taken from traces at significant depths)
487   002032   2       Reserved
488   002032   3       Missing value
489   002033   0       No salinity measured
490   002033   1       In situ sensor, accuracy better than 0.02 ‰
491   002033   2       In situ sensor, accuracy less than 0.02 ‰
492   002033   3       Sample analysis
493   002033   4-6     Reserved
494   002033   7       Missing value
495   002034   0       Unspecified drogue
496   002034   1       Holey sock
497   002034   2       TRISTAR
498   002034   3       Window shade
499   002034   4       Parachute
500   002034   5       Non-Lagrangian sea anchor
501   002034   6-30    Reserved (to be developed)
502   002034   31      Missing value
503   002036   0       Drifting buoy
504   002036   1       Fixed buoy
505   002036   2       Sub-surface float (moving)
506   002036   3       Missing value
507   002037   0       Reserved
508   002037   1       Manual reading from vertical tide staff
509   002037   2       Manual reading from single automatic recorder at station
510   002037   3       Manual reading from multiple automatic recorders at station
511   002037   4       Automatic reading from single automatic recorder at station without level reference check.
512   002037   5       Automatic reading from a single automatic recorder at station with level reference check, or fro
513   002037   6       Reserved
514   002037   7       Missing value
515   002038   0       Ship intake
516   002038   1       Bucket
517   002038   2       Hull contact sensor
518   002038   3       Reversing Thermometer
519   002038   4       STD/CTD sensor


                                           Page 10
                                    BC_CodeFlagTable


520   002038   5       Mechanical BT
521   002038   6       Expendable BT
522   002038   7       Digital BT
523   002038   8       Thermistor chain
524   002038   9       Infra-red scanner
525   002038   10      Micro-wave scanner
526   002038   11      Infrared radiometer
527   002038   12      In line thermosalinograph
528   002038   13      Towed body
529   002038   14      Other
530   002038   15      Missing value
531   002039   0       Measured wet-bulb temperature
532   002039   1       Iced bulb measured wet-bulb temperature
533   002039   2       Computed wet-bulb temperature
534   002039   3       Iced bulb computed wet-bulb temperature
535   002039   4-6     Reserved
536   002039   7       Missing value
537   002040   0       Ships motion removed by averaging                Ship's velocity removed by botton tracking
538   002040   1       Ships motion removed by motion compensation      Ship's velocity removed by botton tracking
539   002040   2       Ships motion not removed                         Ship's velocity removed by botton tracking
540   002040   3       Ships motion removed by averaging                Ship's velocity removed by navigation
541   002040   4       Ships motion removed by motion compensation      Ship's velocity removed by navigation
542   002040   5       Ships motion not removed                         Ship's velocity removed by navigation
543   002040   6       Doppler current profiling method not used
544   002040   7-14    Reserved
545   002040   15      Missing value
546   002041   0       Information based on manual analysis
547   002041   1       Information based on computer analysis
548   002041   2       Information based on data assimilation
549   002041   3       Information based on computer analysis or data assimilation manually modified
550   002041   4-9     Reserved
551   002041   10      Information based on the numerical weather prediction
552   002041   11-62   Reserved for future use
553   002041   63      Missing value
554   002042   0       Value originally reported in m/s
555   002042   1       Value originally reported in knots
556   002042   2       No sea current data available
557   002042   3       Missing value
558   002044   0       Reserved for future use
559   002044   1       Longuet-Higgins (1964)
560   002044   2       Longuet-Higgins (F3 method)
561   002044   3       Maximum likelihood method
562   002044   4       Maximum entropy method
563   002044   5-14    Reserved
564   002044   15      Missing value
565   002045   0       Sea station
566   002045   1       Automatic data buoy
567   002045   2       Aircraft
568   002045   3       Satellite
569   002045   4-14    Reserved
570   002045   15      Missing value
571   002046   0       Reserved for future use


                                          Page 11
                                   BC_CodeFlagTable


572   002046   1        Heave sensor
573   002046   2        Slope sensor
574   002046   3-14     Reserved
575   002046   15       Missing value
576   002048   0        HIRS
577   002048   1        MSU
578   002048   2        SSU
579   002048   3        AMSU-A
580   002048   4        AMSU-B
581   002048   5        AVHRR
582   002048   6        SSMI
583   002048   7        NSCAT
584   002048   8        SEAWINDS
585   002048   9        POSEIDON altimeter
586   002048   10       JMR (JASON Microwave Radiometer)
587   002048   11       MHS
588   002048   12       ASCAT
589   002048   13-14    Reserved
590   002048   15       Missing value
591   002049   1        Processing technique not defined
592   002049   2        Simultaneous physical retrieval
593   002049   3        Clear sounding
594   002049   4        Cloudy sounding
595   002049   5-7      Reserved for future use
596   002049   All 8    Missing value
597   002050   1        1                                  14.71
598   002050   2        2                                  14.37
599   002050   3        3                                  14.06
600   002050   4        4                                  13.64
601   002050   5        5                                  13.37
602   002050   6        6                                  12.66
603   002050   7        7                                  12.02
604   002050   8        8                                  11.03
605   002050   9        9                                  9.71
606   002050   10       10                                 7.43
607   002050   11       11                                 7.02
608   002050   12       12                                 6.51
609   002050   13       13                                 4.57
610   002050   14       14                                 4.52
611   002050   15       15                                 4.45
612   002050   16       16                                 4.13
613   002050   17       17                                 3.98
614   002050   18       18                                 3.74
615   002050   19       19                                 0.969
616   002050   All 20   Missing value
617   002051   0        Reserved
618   002051   1        Maximum/minimum temperatures
619   002051   2        Automated instruments
620   002051   3        Thermograph
621   002051   4-14     Reserved
622   002051   15       Missing value
623   002052   1        1                                  0.55 – 0.75


                                        Page 12
                                    BC_CodeFlagTable


624   002052   2       2                                                    3.9
625   002052   3       3                                                    6.7
626   002052   4       4                                                    10.7
627   002052   5       5                                                    12.0
628   002052   All 6   Missing value
629   002053   0       Observed brightness temperature
630   002053   1       Brightness temperature with bias correction applied
631   002053   2       Brightness temperature calculated from first guess
632   002053   3       Brightness temperature calculated from sounding
633   002053   4-14    Reserved
634   002053   15      Missing value
635   002054   0       Parameter derived using observed sounder brightness temperatures
636   002054   1       Parameter derived using observed imager brightness temperatures
637   002054   2       Parameter derived using first guess information
638   002054   3       Parameter derived using NMC analysis information
639   002054   4       Parameter derived using radiosonde information
640   002054   5-14    Reserved
641   002054   15      Missing value
642   002055   0       Statistics generated comparing retrieval versus radiosonde
643   002055   1       Statistics generated comparing retrieval versus first guess
644   002055   2       Statistics generated comparing radiosonde versus first guess
645   002055   3       Statistics generated comparing observed versus retrieval
646   002055   4       Statistics generated comparing observed versus first guess
647   002055   5       Statistics generated comparing radiosonde versus imager
648   002055   6       Statistics generated comparing radiosonde versus sounder
649   002055   7       Statistics generated for radiosonde
650   002055   8       Statistics generated for first guess
651   002055   9-14    Reserved
652   002055   15      Missing value
653   002056   0       Sums of differences
654   002056   1       Sums of squared differences
655   002056   2       Sample size
656   002056   3       Minimum difference
657   002056   4       Maximum difference
658   002056   5-14    Reserved
659   002056   15      Missing value
660   002057   0       Nested Grid Model (NGM)
661   002057   1       Aviation Model (AVN)
662   002057   2       Medium Range Forecast (MRF) Model
663   002057   3       Global Data Assimilation System (GDAS) Forecast Model
664   002057   4       Prior soundings (within 3 hours of current time)
665   002057   5       Climatology
666   002057   6-14    Reserved
667   002057   15      Missing value
668   002058   0       12 hour and 18 hour
669   002058   1       18 hour and 24 hour
670   002058   2       6 hour and 12 hour
671   002058   3       Greater than 24 hours
672   002058   4-14    Reserved
673   002058   15      Missing value
674   002059   0       NCEP Nested Grid Model (NGM) Analysis
675   002059   1       NCEP Aviation Model (AVN) Analysis


                                         Page 13
                                   BC_CodeFlagTable


676   002059   2       NCEP Medium Range Forecast (MRF) Model Analysis
677   002059   3       NCEP Global Data Assimilation System (GDAS) Forecast Model Analysis
678   002059   4-14    Reserved
679   002059   15      Missing value
680   002060   0       Current surface hourly reports
681   002060   1       Current ship reports
682   002060   2       Current buoy reports
683   002060   3       One hour old surface hourly reports
684   002060   4       One hour old ship reports
685   002060   5       One hour old buoy reports
686   002060   6-14    Reserved
687   002060   15      Missing value
688   002061   0       Inertial navigation system
689   002061   1       OMEGA
690   002061   2-6     Reserved
691   002061   7       Missing value
692   002062   0       ASDAR
693   002062   1       ASDAR (ACARS also available but not operative)
694   002062   2       ASDAR (ACARS also available and operative)
695   002062   3       ACARS
696   002062   4       ACARS (ASDAR also available but not operative)
697   002062   5       ACARS (ASDAR also available and operative)
698   002062   6-14    Reserved
699   002062   15      Missing value
700   002064   0       Good
701   002064   1       Bad
702   002064   2       Reserved
703   002064   3       Missing value
704   002066   0       TRS 2000
705   002066   1       IMS 1500C
706   002066   2-61    Reserved
707   002066   62      Other
708   002066   63      Missing value
709   002070   0       Actual location in seconds
710   002070   1       Actual location in minutes
711   002070   2       Actual location in degrees
712   002070   3       Actual location in decidegrees
713   002070   4       Actual location in centidegrees
714   002070   5       Referenced to checkpoint in seconds
715   002070   6       Referenced to checkpoint in minutes
716   002070   7       Referenced to checkpoint in degrees
717   002070   8       Referenced to checkpoint in decidegrees
718   002070   9       Referenced to checkpoint in centidegrees
719   002070   10      Actual Location in tenths of a minute
720   002070   11      Referenced to checkpoint in tenths of a minute
721   002070   12-14   Reserved
722   002070   15      Missing value
723   002080   0       Kaysam
724   002080   1       Totex
725   002080   2       KKS
726   002080   3-61    Reserved
727   002080   62      Other


                                         Page 14
                                   BC_CodeFlagTable


728   002080   63     Missing value
729   002081   0      GP26
730   002081   1      GP28
731   002081   2      GP30
732   002081   3      HM26
733   002081   4      HM28
734   002081   5      HM30
735   002081   6      SV16
736   002081   7-29   Reserved
737   002081   30     Other
738   002081   31     Missing value
739   002083   0      High bay
740   002083   1      Low bay
741   002083   2      Balloon Inflation Launch System (BILS)
742   002083   3      Roof-top BILS
743   002083   4-13   Reserved
744   002083   14     Other
745   002083   15     Missing value
746   002084   0      Hydrogen
747   002084   1      Helium
748   002084   2      Natural Gas
749   002084   3-13   Reserved
750   002084   14     Other
751   002084   15     Missing value
752   002095   0      Capacitance aneroid
753   002095   1      Derived from GPS
754   002095   2      Resistive strain gauge
755   002095   3-29   Reserved
756   002095   30     Other
757   002095   31     Missing value
758   002096   0      Rod thermistor
759   002096   1      Bead thermistor
760   002096   2      Capacitance bead
761   002096   3-29   Reserved
762   002096   30     Other
763   002096   31     Missing value
764   002097   0      VIZ Mark II Carbon Hygristor
765   002097   1      VIZ B2 Hygristor
766   002097   2      Vaisala A-Humicap
767   002097   3      Vaisala H-Humicap
768   002097   4      Capacitance sensor
769   002097   5      Vaisala RS90
770   002097   6      Sippican Mark IIA Carbon Hygristor
771   002097   7-29   Reserved
772   002097   30     Other
773   002097   31     Missing value
774   002099   0      HH polarisation
775   002099   1      VV polarisation
776   002099   2      HV polarisation real valued component
777   002099   3      HV polarisation imaginary valued component
778   002099   4-6    Reserved
779   002099   7      Missing value


                                        Page 15
                                    BC_CodeFlagTable


780   002101   0       Centre front fed paraboloid
781   002101   1       Offset front fed paraboloid
782   002101   2       Centre Cassegrain paraboloid
783   002101   3       Offset Cassegrain paraboloid
784   002101   4       Planar array
785   002101   5       Coaxial collinear array
786   002101   6       Yagi elements array
787   002101   7       Microstrip
788   002101   8-13    Reserved
789   002101   14      Other
790   002101   15      Missing value
791   002103   1       Radar antenna is protected by a radome
792   002103   All 2   Missing value
793   002104   0       Horizontal polarization
794   002104   1       Vertical polarization
795   002104   2       Right circular polarization
796   002104   3       Left circular polarization
797   002104   4       Horizontal and vertical polarization
798   002104   5       Right and left circular polarization
799   002104   6-14    Reserved
800   002104   15      Missing value
801   002115   0       PDB
802   002115   1       RSOIS
803   002115   2       ASOS
804   002115   3       Psychrometer
805   002115   4       F420
806   002115   5-29    Reserved
807   002115   30      Other
808   002115   31      Missing value
809   002119   0       Intermediate Frequency Calibration Mode (IF CAL)
810   002119   1       Built-In Test Equipment Digital (BITE DGT)
811   002119   2       Built-In test Equipment Radio Frequency (BITE RF)
812   002119   3       Preset tracking (PSET TRK)
813   002119   4       Preset LOOP OUT
814   002119   5       ACQUISITION
815   002119   6       TRACKING
816   002119   7       Missing value
817   002131   1       STC operational
818   002131   All 2   Missing values
819   002143   0       Reserved
820   002143   1       Brewer spectrophotometer
821   002143   2       Caver Teichert
822   002143   3       Dobson
823   002143   4       Dobson (Japan)
824   002143   5       Ehmet
825   002143   6       Fecker telescope
826   002143   7       Hoelper
827   002143   8       Jodmeter
828   002143   9       Filter Ozonometer M 83
829   002143   10      Mast
830   002143   11      Oxford
831   002143   12      Paetzold


                                         Page 16
                                     BC_CodeFlagTable


832   002143   13       Regener
833   002143   14       Reserved for future use
834   002143   15       Vassy filter Ozonometer
835   002143   16       Carbon iodide
836   002143   17       Surface ozone bubler
837   002143   18       Filter Ozonometer M 124
838   002143   19       ECC sonde
839   002143   20-126   Reserved
840   002143   127      Missing value
841   002144   0        Direct Sun
842   002144   1        Direct Sun, attenuator #1
843   002144   2        Direct Sun, attenuator #2
844   002144   3        Focussed Moon
845   002144   4        Focussed Sun
846   002144   5        Focussed Sun corrected with adjacent sky measurements
847   002144   6        Zenith Sky
848   002144   7-14     Reserved
849   002144   15       Missing value
850   002145   0        Wavelengths AD ordinary setting
851   002145   1        Wavelengths BD ordinary setting
852   002145   2        Wavelengths CD ordinary setting
853   002145   3        Wavelengths CC' ordinary setting
854   002145   4        Wavelengths AD focussed image
855   002145   5        Wavelengths BD focussed image
856   002145   6        Wavelengths CD focussed image
857   002145   7        Wavelengths CC' focussed image
858   002145   8-14     Reserved
859   002145   15       Missing value
860   002146   0        on direct sun
861   002146   1        on direct moon
862   002146   2        on blue zenith sky
863   002146   3        on zenith cloud (uniform stratified layer of small opacity)
864   002146   4        on zenith cloud(uniform or moderately variable layer of medium opacity)
865   002146   5        on zenith cloud (uniform or moderately variable layer of large opacity)
866   002146   6        on zenith cloud (highly variable opacity, with or without precipitation)
867   002146   7        on zenith cloud (fog)
868   002146   8        On zenith haze
869   002146   9        On direct sun through thin cloud, fog or haze
870   002146   10-14    reserved
871   002146   15       Missing value
872   002148   0        Reserved
873   002148   1        Argos
874   002148   2        GPS
875   002148   3        GOES DCP
876   002148   4        METEOSAT DCP
877   002148   5-30     Reserved
878   002148   31       Missing value
879   002149   0        Unspecified drifting buoy
880   002149   1        Standard Lagrangian drifter (Global Drifter Programme)
881   002149   2        Standard FGGE type drifting buoy (non-Lagrangian meteorological drifting buoy)
882   002149   3        Wind measuring FGGE type drifting buoy (non-Lagrangian meteorological drifting buoy)
883   002149   4        Ice float


                                           Page 17
                                    BC_CodeFlagTable


884   002149   5-7     Reserved
885   002149   8       Unspecified sub-surface float
886   002149   9       SOFAR
887   002149   10      ALACE
888   002149   11      MARVOR
889   002149   12      RAFOS
890   002149   13-15   Reserved
891   002149   16      Unspecified moored buoy
892   002149   17      Nomad
893   002149   18      3-metre discus
894   002149   19      10-12-metre discus
895   002149   20      ODAS 30 series
896   002149   21      ATLAS (e.g. TAO area)
897   002149   22      TRITON buoy
898   002149   23      Reserved
899   002149   24      Omnidirectional waverider
900   002149   25      Directional waverider
901   002149   26      Sub-surface ARGO float
902   002149   27-62   Reserved
903   002149   63      Missing value
904   002150   0       Reserved
905   002150   1       HIRS 1
906   002150   2       HIRS 2
907   002150   3       HIRS 3
908   002150   4       HIRS 4
909   002150   5       HIRS 5
910   002150   6       HIRS 6
911   002150   7       HIRS 7
912   002150   8       HIRS 8
913   002150   9       HIRS 9
914   002150   10      HIRS 10
915   002150   11      HIRS 11
916   002150   12      HIRS 12
917   002150   13      HIRS 13
918   002150   14      HIRS 14
919   002150   15      HIRS 15
920   002150   16      HIRS 16
921   002150   17      HIRS 17
922   002150   18      HIRS 18
923   002150   19      HIRS 19
924   002150   20      HIRS 20
925   002150   21      MSU 1
926   002150   22      MSU 2
927   002150   23      MSU 3
928   002150   24      MSU 4
929   002150   25      SSU 1
930   002150   26      SSU 2
931   002150   27      SSU 3
932   002150   28      AMSU A 1
933   002150   29      AMSU A 2
934   002150   30      AMSU A 3
935   002150   31      AMSU A 4


                                          Page 18
                                      BC_CodeFlagTable


936   002150   32        AMSU A 5
937   002150   33        AMSU A 6
938   002150   34        AMSU A 7
939   002150   35        AMSU A 8
940   002150   36        AMSU A 9
941   002150   37        AMSU A 10
942   002150   38        AMSU A 11
943   002150   39        AMSU A 12
944   002150   40        AMSU A 13
945   002150   41        AMSU A 14
946   002150   42        AMSU A 15
947   002150   43        AMSU B 1 / MHS 1
948   002150   44        AMSU B 2 / MHS 2
949   002150   45        AMSU B 3 / MHS 3
950   002150   46        AMSU B 4 / MHS 4
951   002150   47        AMSU B 5 / MHS 5
952   002150   48        AVHRR 1
953   002150   49        AVHRR 2
954   002150   50        AVHRR 3a
955   002150   51        AVHRR 3b
956   002150   52        AVHRR 4
957   002150   53        AVHRR 5
958   002150   54-62     Reserved
959   002150   63        Missing value
960   002151   0         HIRS
961   002151   1         MSU
962   002151   2         SSU
963   002151   3         AMSU A1 1
964   002151   4         AMSU A1 2
965   002151   5         AMSU A2
966   002151   6         AMSU B
967   002151   7         AVHRR
968   002151   8         Reserved
969   002151   9         MHS
970   002151   10-2046   Reserved
971   002151   2047      Missing value
972   002152   1         High-resolution infrared sounder(HIRS)
973   002152   2         Microwave sounding unit (MSU)
974   002152   3         Stratospheric sounding unit (SSU)
975   002152   4         AMI wind mode
976   002152   5         AMI wave mode
977   002152   6         AMI image mode
978   002152   7         RADAR altimeter
979   002152   8         ATSR
980   002152   9         Geostationary Imager
981   002152   10        Geostationary Sounder
982   002152   11        Geostationary Earth radiation (GERB)
983   002152   12        Multi-channel scanning radiometer
984   002152   13-30     Reserved
985   002152   All 31    Missing value
986   002158   1         Mismatch in RED VEC HPA
987   002158   2         Mismatch in RED VEC RFSS


                                            Page 19
                                     BC_CodeFlagTable


 988   002158   3       PTR calibration band 320 MHz (Ku)
 989   002158   4       PTR calibration band 80 MHz (Ku)
 990   002158   5       PTR calibration band 20 MHz (Ku)
 991   002158   6       PTR calibration band 160 MHz (S)
 992   002158   7       Ku flight calibration parameters available
 993   002158   8       S flight calibration parameters available
 994   002158   All 9   Missing value
 995   002159   1       Temperature inconsistency
 996   002159   2       Data is missing
 997   002159   3       Redundancy channel
 998   002159   4       Power bus protection
 999   002159   5       Overvoltage/Overload protection
1000   002159   6       Reserved
1001   002159   7       Reserved
1002   002159   All 8   Missing value
1003   002160   0       Reserved
1004   002160   1       10 to less than 20 mm 
1005   002160   2       Reserved
1006   002160   3       20 to less than 40 mm
1007   002160   4       Reserved
1008   002160   5       40 to less than 60 mm
1009   002160   6       Reserved
1010   002160   7       60 to less than 90 mm
1011   002160   8       90 to less than 110 mm
1012   002160   9       110 mm and greater
1013   002160   10-14   Not used
1014   002160   15      Missing value
1015   002163   0       Auto editor
1016   002163   1       IRW height assignment
1017   002163   2       WV height assignment
1018   002163   3       H2O intercept height assignment
1019   002163   4       CO2 slicing height assignment
1020   002163   5       Low pixel max gradient
1021   002163   6       Higher pixel max gradient
1022   002163   7       Primary height assignment
1023   002163   8       Layer thickness assignment
1024   002163   9       Cumulative contribution function -10 percent height
1025   002163   10      Cumulative contribution function -50 percent height
1026   002163   11      Cumulative contribution function -90 percent height
1027   002163   12      Cumulative contribution function - height of maximum gradient
1028   002163   13      IR / two WV channel ratioing method
1029   002163   14      Composite height assignment
1030   002163   15      Missing value
1031   002164   0       LP - Norms least square minimum
1032   002164   1       EN - Euclidean norm with radiance correlation
1033   002164   2       CC - Cross correlation
1034   002164   3-6     Reserved
1035   002164   7       Missing value
1036   002166   0       Type not defined
1037   002166   1       Automated statistical regression
1038   002166   2       Clear path
1039   002166   3       Partly cloudy path


                                           Page 20
                                    BC_CodeFlagTable


1040   002166   4       Cloudy path
1041   002166   5-14    Reserved
1042   002166   15      Missing value
1043   002167   0       Method not defined
1044   002167   1       1b raw radiance
1045   002167   2       processed radiance
1046   002167   3-14    Reserved
1047   002167   15      Missing value
1048   002169   0       Cup rotor
1049   002169   1       Propeller rotor
1050   002169   2       Wind Observation Through Ambient Noise (WOTAN)
1051   002169   3       Sonic
1052   002169   4-14    Reserved
1053   002169   15      Missing value
1054   002172   0       Reserved
1055   002172   1       Retrieval from a nadir sounding
1056   002172   2       Retrieval from a limb sounding
1057   002172   3-254   Reserved
1058   002172   255     Missing value
1059   002175   0       Manual measurement
1060   002175   1       Tipping bucket method
1061   002175   2       Weighing method
1062   002175   3       Optical method
1063   002175   4       Pressure method
1064   002175   5       Float method
1065   002175   6       Drop counter method
1066   002175   7-13    Reserved
1067   002175   14      Others
1068   002175   15      Missing value
1069   002176   0       Manual observation
1070   002176   1       Video camera method
1071   002176   2       Infra-red method
1072   002176   3       Laser method
1073   002176   4-13    Reserved
1074   002176   14      Others
1075   002176   15      Missing value
1076   002177   0       Manual observation
1077   002177   1       Ultrasonic method
1078   002177   2       Video camera method
1079   002177   3-13    Reserved
1080   002177   14      Others
1081   002177   15      Missing value
1082   002178   0       Manual observation
1083   002178   1       Optical method
1084   002178   2       Capacitive method
1085   002178   3-13    Reserved
1086   002178   14      Others
1087   002178   15      Missing value
1088   002179   0       Manual observation
1089   002179   1       VAISALA algorithm
1090   002179   2       ASOS (FAA) algorithm
1091   002179   3       AWOS (Canada) algorithm


                                         Page 21
                                      BC_CodeFlagTable


1092   002179   4-13     Reserved
1093   002179   14       Others
1094   002179   15       Missing value
1095   002180   0        Manual observation
1096   002180   1        Optical scatter system combined with precipitation occurrence sensing system
1097   002180   2        Forward and/or back-scatter system of visible light
1098   002180   3        Forward and/or back-scatter system of infrared light
1099   002180   4        Infrared light emitting diode (IRED) system
1100   002180   5        Doppler radar system
1101   002180   6-13     Reserved
1102   002180   14       Others
1103   002180   15       Missing value
1104   002181   1        Rain detector
1105   002181   2        Freezing rain sensor
1106   002181   3        Ice detection sensor
1107   002181   4        Hail and ice pellet sensor
1108   002181   5-19     Reserved
1109   002181   20       Others
1110   002181   All 21   Missing value                      ≥
1111   002182   0        Manual measurement
1112   002182   1        Transmissometer system (base 25 m)
1113   002182   2        Transmissometer system (base < 25 m)
1114   002182   3        Forward scatter system
1115   002182   4        Back scatter system
1116   002182   5-13     Reserved
1117   002182   14       Others
1118   002182   15       Missing value
1119   002183   0        Manual observation
1120   002183   1        Ceilometer system
1121   002183   2        Infrared camera system
1122   002183   3        Microwave visual camera system
1123   002183   4        Sky imager system
1124   002183   5        Video time lapsed camera system
1125   002183   6        Micro pulse lidar (MPL) system
1126   002183   7-13     Reserved
1127   002183   14       Others
1128   002183   15       Missing value
1129   002184   0        Manual observation
1130   002184   1        Lightning imaging sensor
1131   002184   2        Electrical storm identification sensor
1132   002184   3        Magnetic finder sensor
1133   002184   4        Lightning strike sensor
1134   002184   5        Flash counter
1135   002184   6-13     Reserved
1136   002184   14       Others
1137   002184   15       Missing value
1138   002185   0        Manual measurement
1139   002185   1        Balanced floating method
1140   002185   2        Pressure method
1141   002185   3        Ultrasonic method
1142   002185   4        Hydraulic method
1143   002185   5-13     Reserved


                                            Page 22
                                      BC_CodeFlagTable


1144   002185   14       Others
1145   002185   15       Missing value
1146   002186   1        Precipitation-unknown type
1147   002186   2        Liquid precipitation not freezing
1148   002186   3        Liquid freezing precipitation
1149   002186   4        Drizzle
1150   002186   5        Rain
1151   002186   6        Solid precipitation
1152   002186   7        Snow
1153   002186   8        Snow grains
1154   002186   9        Snow pellets
1155   002186   10       Ice pellets
1156   002186   11       Ice crystals
1157   002186   12       Diamond dust
1158   002186   13       Small hail
1159   002186   14       Hail
1160   002186   15       Glaze
1161   002186   16       Rime
1162   002186   17       Soft rime
1163   002186   18       Hard rime
1164   002186   19       Clear ice
1165   002186   20       Wet snow
1166   002186   21       Hoar frost
1167   002186   22       Dew
1168   002186   23       White dew
1169   002186   24-29    Reserved
1170   002186   All 30   Missing value
1171   002187   1        Dust/sand whirl
1172   002187   2        Squalls
1173   002187   3        Sand storm
1174   002187   4        Dust storm
1175   002187   5        Lightning - cloud to surface
1176   002187   6        Lightning - cloud to cloud
1177   002187   7        Lightning - distant
1178   002187   8        Thunderstorm
1179   002187   9        Funnel Cloud not touching surface
1180   002187   10       Funnel cloud touching surface
1181   002187   11       Spray
1182   002187   12-17    Reserved
1183   002187   All 18   Missing value
1184   002188   1        Fog
1185   002188   2        Ice fog
1186   002188   3        Steam fog
1187   002188   4-6      Reserved
1188   002188   7        Mist
1189   002188   8        Haze
1190   002188   9        Smoke
1191   002188   10       Volcanic ash
1192   002188   11       Dust
1193   002188   12       Sand
1194   002188   13       Snow
1195   002188   14-20    Reserved


                                           Page 23
                                      BC_CodeFlagTable


1196   002188   All 21   Missing value
1197   002189   1        Manual observation
1198   002189   2        All lightning strikes without discrimination
1199   002189   3        Lightning strikes cloud to ground only
1200   002189   4        All lightning strikes with discrimination between cloud to ground and cloud to cloud
1201   002189   5-11     Reserved
1202   002189   All 12   Missing value
1203   004059   1        00 UTC
1204   004059   2        06 UTC
1205   004059   3        12 UTC
1206   004059   4        18 UTC
1207   004059   5        Other hours
1208   004059   All 6    Missing value
1209   004080   0        Spot values
1210   004080   1        Less than 15 minutes
1211   004080   2        From 15 to 45 minutes
1212   004080   3        More than 45 minutes
1213   004080   4-8      Reserved
1214   004080   9        Data not available
1215   004080   10-14    Not used
1216   004080   15       Missing value
1217   008001   1        Surface
1218   008001   2        Standard level
1219   008001   3        Tropopause level
1220   008001   4        Maximum wind level
1221   008001   5        Significant level, temperature and/or relative humidity
1222   008001   6        Significant level, wind
1223   008001   All 7    Missing value
1224   008002   0        Observing rules for base of lowest cloud and cloud types of FM 12SYNOP and FM 13 SHIP ap
1225   008002   1        First non - Cb significant layer
1226   008002   2        Second non - Cb significant layer
1227   008002   3        Third non - Cb significant layer
1228   008002   4        Cumulonimbus layer
1229   008002   5        Ceiling
1230   008002   6        Clouds not detected below the following height(s)
1231   008002   7        Low cloud
1232   008002   8        Middle cloud
1233   008002   9        High cloud
1234   008002   10       Cloud layer with base below the station level and top above the station level
1235   008002   11       Cloud layer with base and top below the station level
1236   008002   12-61    Reserved
1237   008002   12-19    Reserved
1238   008002   20       No clouds detected by the cloud detection system
1239   008002   21       First instrument detected cloud layer
1240   008002   22       Second instrument detected cloud layer
1241   008002   23       Third instrument detected cloud layer
1242   008002   24       Fourth instrument detected cloud layer
1243   008002   25‑61    Reserved
1244   008002   62       Value not applicable
1245   008002   63       Missing value
1246   008003   0        Surface
1247   008003   1        Base of Satellite sounding


                                           Page 24
                                      BC_CodeFlagTable


1248   008003   2       Cloud top
1249   008003   3       Tropopause
1250   008003   4       Precipitable water
1251   008003   5       Sounding Radiances
1252   008003   6       Mean Temperatures
1253   008003   7       Ozone
1254   008003   8-62    Reserved
1255   008003   8       Low cloud
1256   008003   9       Med Cloud
1257   008003   10      High cloud
1258   008003   11-62   Reserved
1259   008003   63      Missing value
1260   008004   0-1     Reserved
1261   008004   2       Unsteady (UNS)
1262   008004   3       Level flight, routine observation (LVR)
1263   008004   4       Level flight, highest wind encountered (LVW)
1264   008004   5       Ascending (ASC)
1265   008004   6       Descending (DES)
1266   008004   7       Missing value
1267   008005   0       Reserved
1268   008005   1       Storm center
1269   008005   2       Outer limit or edge of storm
1270   008005   3       Location of maximun wind
1271   008005   4       Location of the storm in the perturbed analysis
1272   008005   5       Location of the storm in the analysis
1273   008005   6-14    Reserved
1274   008005   15      Missing value
1275   008006   1       Surface
1276   008006   2       Standard level
1277   008006   3       Tropopause level
1278   008006   4       Prominent maximum level
1279   008006   5       Prominent minimum level
1280   008006   6       Minimum pressure level
1281   008006   7       Reserved
1282   008006   8       Level of undetermined significance
1283   008006   All 9   Missing value
1284   008007   0       Point
1285   008007   1       Line
1286   008007   2       Area
1287   008007   3       Volume
1288   008007   4-14    Reserved
1289   008007   15      Missing value
1290   008008   1       Surface
1291   008008   2       Standard level
1292   008008   3       Tropopause level
1293   008008   4       Level of beta radiation maximum
1294   008008   5       Level of gamma radiation maximum
1295   008008   6       Minimum pressure level
1296   008008   7       Reserved
1297   008008   8       Level of undetermined significance
1298   008008   All 9   Missing value
1299   008009   0       Level flight, routine observation, unsteady


                                            Page 25
                                     BC_CodeFlagTable


1300   008009   1       Level flight, highest wind encountered, unsteady
1301   008009   2       Unsteady (UNS)
1302   008009   3       Level flight, routine observation (LVR)
1303   008009   4       Level flight, highest wind encountered (LVW)
1304   008009   5       Ascending (ASC)
1305   008009   6       Descending (DES)
1306   008009   7       Ascending, observation intervals selected by time increments
1307   008009   8       Ascending, observation intervals selected by time increments, unsteady
1308   008009   9       Ascending, observation intervals selected by pressure increments
1309   008009   10      Ascending, observation intervals selected by pressure increments, unsteady
1310   008009   11      Descending, observation intervals selected by time increments
1311   008009   12      Descending, observation intervals selected by time increments, unsteady
1312   008009   13      Descending, observation intervals selected by pressure increments
1313   008009   14      Descending, observation intervals selected by pressure increments, unsteady
1314   008009   15      Missing value
1315   008010   0       Reserved
1316   008010   1       Bare soil
1317   008010   2       Bare rock
1318   008010   3       Land grass cover
1319   008010   4       Water (lake, sea)
1320   008010   5       Flood water underneath
1321   008010   6       Snow
1322   008010   7       Ice
1323   008010   8       Runway or road
1324   008010   9       Ship or platform deck in steel
1325   008010   10      Ship or platform deck in wood
1326   008010   11      Ship or platform deck partly covered with rubber mat
1327   008010   12-30   Reserved
1328   008010   31      Missing value
1329   008011   0       Quasi stationary front at the surface
1330   008011   1       Quasi stationary front above the surface
1331   008011   2       Warm front at the surface
1332   008011   3       Warm front above the surface
1333   008011   4       Cold front at the surface
1334   008011   5       Cold front above the surface
1335   008011   6       Occlusion
1336   008011   7       Instability line
1337   008011   8       Intertropical front
1338   008011   9       Convergence line
1339   008011   10      Jet stream
1340   008011   11      Cloud clear
1341   008011   12      Cloud
1342   008011   13      Turbulence
1343   008011   14      Storm
1344   008011   15      Airframe icing
1345   008011   16      Phenomenon
1346   008011   17      Volcano
1347   008011   18      Atmospherics
1348   008011   19      Reserved
1349   008011   20      Special clouds
1350   008011   21      Thunderstorm
1351   008011   22      Tropical cyclone


                                           Page 26
                                     BC_CodeFlagTable


1352   008011   23       Mountain Wave
1353   008011   24       Duststorm
1354   008011   25       Sandstorm
1355   008011   26-62    Reserved
1356   008011   63       Missing value
1357   008012   0        Land
1358   008012   1        Sea
1359   008012   2        Coastal
1360   008012   3        Missing value
1361   008013   0        Night
1362   008013   1        Day
1363   008013   2        Reserved
1364   008013   3        Missing value
1365   008014   0        10 minute mean value normal value
1366   008014   1        10 minute mean value above the upper limit for assessments of RVR (P)
1367   008014   2        10 minute mean value below the lower limit for assessments of RVR (M)
1368   008014   3        one minute minimum value normal value
1369   008014   4        one minute minimum value above the upper limit for assessments of RVR (P)
1370   008014   5        one minute minimum value below the lower limit for assessments of RVR (M)
1371   008014   6        one minute maximum value normal value
1372   008014   7        one minute maximum value above the upper limit for assessments of RVR (P)
1373   008014   8        one minute maximum value below the lower limit for assessments of RVR (M)
1374   008014   9-14     Reserved
1375   008014   15       Missing value
1376   008016   0        NOSIG
1377   008016   1        BECMG
1378   008016   2        TEMPO
1379   008016   3        FM
1380   008016   4-6      Reserved
1381   008016   7        Missing value
1382   008017   0        FM
1383   008017   1        TL
1384   008017   2        AT
1385   008017   3        Missing value
1386   008018   1        Land is present
1387   008018   2        Surface ice map indicates ice is present
1388   008018   3-10     Reserved
1389   008018   11       Ice map data not available
1390   008018   12       Attenuation map data not available
1391   008018   13-16    Reserved
1392   008018   All 17   Missing value
1393   008019   0        Reserved
1394   008019   1        ATS (Air Traffic Service) unit serving FIR (Flight Information Region)
1395   008019   2        FIR (Flight Information Region)
1396   008019   3        UIR (Upper Information Region)
1397   008019   4        CTA (Control Area)
1398   008019   5        VAAC (Volcanic Ash Advisory Centre)
1399   008019   6        MWO (Meteorological Watch Office) issuing SIGMET
1400   008019   7-14     Reserved
1401   008019   15       Missing value
1402   008021   0        Reserved
1403   008021   1        Time series


                                           Page 27
                                      BC_CodeFlagTable


1404   008021   2       Time averaged
1405   008021   3       Accumulated
1406   008021   4       Forecast
1407   008021   5       Forecast time series
1408   008021   6       Forecast time averaged
1409   008021   7       Forecast accumulated
1410   008021   8       Ensemble mean
1411   008021   9       Ensemble mean time series
1412   008021   10      Ensemble mean time averaged
1413   008021   11      Ensemble mean accumulated
1414   008021   12      Ensemble mean forecast
1415   008021   13      Ensemble mean forecast time series
1416   008021   14      Ensemble mean forecast time averaged
1417   008021   15      Ensemble mean forecast accumulated
1418   008021   16      Analysis
1419   008021   17      Start of phenomenon
1420   008021   18      Radiosonde launch time
1421   008021   19      Start of orbit
1422   008021   20      End of orbit
1423   008021   21      Time of ascending node
1424   008021   22      Time of occurrence of wind shift
1425   008021   23      Monitoring period
1426   008021   24      Agreed time limit for report reception
1427   008021   25      Nominal reporting time
1428   008021   26      Time of last known position
1429   008021   27      First guess
1430   008021   28      Start of scan
1431   008021   29      End of scan
1432   008021   30      Reserved
1433   008021   31      Missing value
1434   008023   0-1     Reserved
1435   008023   2       Maximum value
1436   008023   3       Minimum value
1437   008023   4       Mean value
1438   008023   5       Median value
1439   008023   6       Modal value
1440   008023   7       Mean absolute error
1441   008023   8       Reserved
1442   008023   9       Best estimate of standard deviation (N-1)
1443   008023   10      Standard deviation (N)
1444   008023   11      Harmonic mean
1445   008023   12      Root-mean-square vector error
1446   008023   13      Root-mean-square
1447   008023   14-31   Reserved
1448   008023   32      Vector mean
1449   008023   33-62   Reserved for local use
1450   008023   63      Missing value
1451   008024   0-1     Reserved
1452   008024   2       Observed minus maximum
1453   008024   3       Observed minus minimum
1454   008024   4       Observed minus mean
1455   008024   5       Observed minus median


                                           Page 28
                                     BC_CodeFlagTable


1456   008024   6       Observed minus mode
1457   008024   7-10    Reserved
1458   008024   11      Observed minus climatology (anomaly)
1459   008024   12      Observed minus analyzed value
1460   008024   13      Observed minus initialized analysed value
1461   008024   14      Observed minus forecast value
1462   008024   15-20   Reserved
1463   008024   21      Observed minus interpolated value
1464   008024   22      Observed minus hydrostatically calculated value
1465   008024   23-31   Reserved
1466   008024   32-62   Reserved for local use
1467   008024   63      Missing value
1468   008025   0       Universal Time Coordinated (UTC) minus Local Standard Time (LST)
1469   008025   1       Local Standard Time
1470   008025   2       Universal Time Coordinated (UTC) minus Satellite clock
1471   008025   3-4     Reserved
1472   008025   5       Time difference from edge of processing segment
1473   008025   6-14    Reserved
1474   008025   15      Missing value
1475   008026   0       Averaging kernel matrix
1476   008026   1       Correlation matrix (C)
1477   008026   2       Lower triangular correlation matrix square root     (L from C=LLT)
1478   008026   3       Inverse of lower triangular correlation matrix square root (L-1)
1479   008026   4-42    Reserved
1480   008026   43-62   Reserved for local use
1481   008026   63      Missing or undefined significance
1482   008029   0       Open ocean or semi-enclosed sea
1483   008029   1       Enclosed sea or lake
1484   008029   2       Continental ice
1485   008029   3       Land
1486   008029   4-254   Reserved
1487   008029   4       Low inland (below sea level)
1488   008029   5       Mix of land and water
1489   008029   6       Mix of land and low inland
1490   008029   7-254   Reserved
1491   008029   255     Missing value
1492   008033   0       Reserved
1493   008033   1       Percentage confidence calculated using cloud fraction
1494   008033   2       Percentage confidence calculated using standard deviation of temperature
1495   008033   3       Percentage confidence calculated using probability of cloud contamination
1496   008033   4       Percentage confidence calculated using normality of distribution
1497   008033   5-126   Reserved
1498   008033   127     Missing value
1499   008035   0       Global
1500   008035   1       Regional
1501   008035   2       National
1502   008035   3       Special
1503   008035   4       Bilateral
1504   008035   5       Reserved
1505   008035   6       Reserved
1506   008035   7       Missing value
1507   008036   0       WMO Secretariat


                                           Page 29
                                      BC_CodeFlagTable


1508   008036   1       WMO
1509   008036   2       RSMC
1510   008036   3       NMC
1511   008036   4       RTH
1512   008036   5       Observing site
1513   008036   6       Other
1514   008036   7       Missing value
1515   008039   0       Issue time of forecast
1516   008039   1       Time of commencement of period of the forecast
1517   008039   2       Time of ending of period of the forecast
1518   008039   3       Forecast time of maximum temperature
1519   008039   4       Forecast time of minimum temperature
1520   008039   5       Time of beginning of the forecast change
1521   008039   6       Time of ending of the forecast change
1522   008039   7-62    Reserved
1523   008039   63      Missing value
1524   008040   0       High resolution data sample
1525   008040   1       Within 20 hPa of surface
1526   008040   2       Pressure less than 10 hPa (i.e., 9, 8, 7, etc.) when no other reason applies
1527   008040   3       Base pressure level for stability index
1528   008040   4       Begin doubtful temperature, height data
1529   008040   5       Begin missing data (all ele¬ments)
1530   008040   6       Begin missing RH data
1531   008040   7       Begin missing temperature data
1532   008040   8       Highest level reached before balloon descent because of icing or turbulence
1533   008040   9       End doubtful temperature, height data
1534   008040   10      End missing data (all elements)
1535   008040   11      End missing RH data
1536   008040   12      End missing temperature data
1537   008040   13      Zero degrees C crossing(s) for RADAT
1538   008040   14      Standard pressure level
1539   008040   15      Operator added level
1540   008040   16      Operator deleted level
1541   008040   17      Balloon re ascended beyond previous highest ascent level
1542   008040   18      Significant RH level
1543   008040   19      RH level selection terminated
1544   008040   20      Surface level
1545   008040   21      Significant temperature level
1546   008040   22      Mandatory temperature level
1547   008040   23      Flight termination level
1548   008040   24      Tropopause(s)
1549   008040   25      Aircraft report
1550   008040   26      Interpolated (generated) level
1551   008040   27      Mandatory wind level
1552   008040   28      Significant wind level
1553   008040   29      Maximum wind level
1554   008040   30      Incremental wind level (fixed regional)
1555   008040   31      Incremental height level (gener¬ated)
1556   008040   32      Wind termination level
1557   008040   33      Pressure 100 to 110 hPa, when no other reason applies
1558   008040   34-39   Reserved
1559   008040   34      Freezing level base


                                           Page 30
                                       BC_CodeFlagTable


1560   008040   35       Freezing level top
1561   008040   36       Flight level base
1562   008040   37       Flight level top
1563   008040   38-39    Reserved
1564   008040   40       Significant thermodynamic level (inver¬sion)
1565   008040   41       Significant RH level ( per NCDC criteria)
1566   008040   42       Significant temperature level (per NCDC)
1567   008040   43       Begin missing wind data
1568   008040   44       End missing wind data
1569   008040   45-59    Reserved
1570   008040   60       Level of 80-knot isotach above jet
1571   008040   61       Level of 80-knot isotach below jet
1572   008040   62       Other
1573   008040   63       Missing value
1574   008041   0        Parent site
1575   008041   1        Observation site
1576   008041   2        Balloon manufacture date
1577   008041   3        Balloon launch point
1578   008041   4        Surface observation
1579   008041   5        Surface observation displacement from launch point
1580   008041   6        Flight level observation
1581   008041   7        Flight level termination point
1582   008041   8-30     Reserved
1583   008041   8        IFR Ceiling and Visibility
1584   008041   9        Mountain obscuration
1585   008041   10       Strong surface wind
1586   008041   11       Freezing level
1587   008041   12       Multiple freezing level
1588   008041   13-30    Reserved
1589   008041   31       Missing value
1590   008042   1        Surface
1591   008042   2        Standard level
1592   008042   3        Tropopause level
1593   008042   4        Maximum wind level
1594   008042   5        Significant temperature level
1595   008042   6        Significant humidity level
1596   008042   7        Significant wind level
1597   008042   8        Beginning of missing temperature data
1598   008042   9        End of missing temperature data
1599   008042   10       Beginning of missing humidity data
1600   008042   11       End of missing humidity data
1601   008042   12       Beginning of missing wind data
1602   008042   13       End of missing wind data
1603   008042   14       Top of wind sounding
1604   008042   15       Level determined by regional decision
1605   008042   16       Reserved
1606   008042   17       Pressure level originally indicated by height as the vertical coordinate
1607   008042   All 18   Missing value
1608   008043   0        Ozone                                                O3
1609   008043   1        Water vapour                                         H2O
1610   008043   2        Methane                                              CH4
1611   008043   3        Carbon dioxide                                       CO2


                                             Page 31
                                       BC_CodeFlagTable


1612   008043   4         Carbon monoxide                                 CO
1613   008043   5         Nitrogen dioxide                                NO2
1614   008043   6         Nitrous oxide                                   N2O
1615   008043   7         Formaldehyde                                    HCHO
1616   008043   8         Sulfur dioxide                                  SO2
1617   008043   9-24      Reserved
1618   008043   25        Particulate Matter < 1.0 microns
1619   008043   26        Particulate Matter < 2.5 microns
1620   008043   27        Particulate Matter < 10 microns
1621   008043   28        Aerosols (generic)
1622   008043   29        Smoke (generic)
1623   008043   30        Crustal Material (generic dust)
1624   008043   31        Volcanic Ash
1625   008043   32-200    Reserved
1626   008043   201-254   Reserved for local use
1627   008043   255       Missing value
1628   008050   0         Reserved
1629   008050   1         Pressure
1630   008050   2         Temperature
1631   008050   3         Extreme temperature
1632   008050   4         Vapour pressure
1633   008050   5         Precipitation
1634   008050   6         Sunshine duration
1635   008050   7         Maximum temperature
1636   008050   8         Minimum temperature
1637   008050   9         Wind
1638   008050   10-14     Reserved
1639   008050   15        Missing value
1640   008051   1         Pressure
1641   008051   2         Temperature
1642   008051   3         Extreme temperature
1643   008051   4         Vapour pressure
1644   008051   5         Precipitation
1645   008051   6         Sunshine duration
1646   008051   7         Missing value
1647   008052   0         Mean wind speed over a 10-minute period observed or recorded equal to or more than 10 m/s
1648   008052   1         Mean wind speed over a 10-minute period observed or recorded equal to or more than 20 m/s
1649   008052   2         Mean wind speed over a 10-minute period observed or recorded equal to or more than 30 m/s
1650   008052   3         Maximum temperature less than 273.15 K
1651   008052   4         Maximum temperature equal to or more than 298.15 K
1652   008052   5         Maximum temperature equal to or more than 303.15 K
1653   008052   6         Maximum temperature equal to or more than 308.15 K
1654   008052   7         Maximum temperature equal to or more than 313.15 K
1655   008052   8         Minimum temperature less than 273.15 K
1656   008052   9         Maximum temperature equal to or more than 273.15 K
1657   008052   10        Precipitation equal to or more than 1.0 kgm-2
1658   008052   11        Precipitation equal to or more than 5.0 kgm-2
1659   008052   12        Precipitation equal to or more than 10.0 kgm-2
1660   008052   13        Precipitation equal to or more than 50.0 kgm-2
1661   008052   14        Precipitation equal to or more than 100.0 kgm-2
1662   008052   15        Precipitation equal to or more than 150.0 kgm-2
1663   008052   16        Snow depth more than 0.00 m


                                            Page 32
                                      BC_CodeFlagTable


1664   008052   17      Snow depth more than 0.01 m
1665   008052   18      Snow depth more than 0.10 m
1666   008052   19      Snow depth more than 0.50 m
1667   008052   20      Horizontal visibility less than 50 m
1668   008052   21      Horizontal visibility less than 100 m
1669   008052   22      Horizontal visibility less than 1000 m
1670   008052   23      Hail
1671   008052   24      Thunderstorm
1672   008052   25-30   Reserved
1673   008052   31      Missing value
1674   008053   0       Value occurred on only one day in the month
1675   008053   1       Value occurred on more than one day in the month
1676   008053   2       Reserved
1677   008053   3       Missing value
1678   008054   0       Wind speed or gust is as reported
1679   008054   1       Wind speed is greater than that reported (P in METAR/TAF/SPECI)
1680   008054   2-6     Reserved
1681   008054   7       Missing value
1682   008060   0       Reserved
1683   008060   1       Range
1684   008060   2       Azimuth
1685   008060   3       Horizontal
1686   008060   4       Vertical
1687   008060   5       North/South
1688   008060   6       East/West
1689   008060   7-14    Reserved
1690   008060   15      Missing value
1691   008065   0       No sun-glint
1692   008065   1       Sun-glint
1693   008065   2       Reserved
1694   008065   3       Missing value
1695   008066   0       Opaque
1696   008066   1       Semi-transparent
1697   008066   2       Reserved
1698   008066   3       Missing value
1699   008070   0       Reserved
1700   008070   1       Reserved
1701   008070   2       Earth located instrument counts, calibration coefficients and housekeeping (level 1b)
1702   008070   3       Earth located calibrated radiances (level 1c)
1703   008070   4       Mapped to a common footprint, earth located calibrated radiances (level 1d)
1704   008070   5-14    Reserved
1705   008070   15      Missing value
1706   008072   0       Mixed
1707   008072   1       Clear
1708   008072   2       Cloudy
1709   008072   3-6     Reserved
1710   008072   7       Missing value
1711   008074   0       Open ocean or semi-enclosed sea
1712   008074   1       Non-ocean like
1713   008074   2       Reserved
1714   008074   3       Missing value
1715   008075   0       Ascending orbit


                                           Page 33
                                     BC_CodeFlagTable


1716   008075   1       Descending orbit
1717   008075   2       Reserved
1718   008075   3       Missing value
1719   008076   0       Ku
1720   008076   1       C
1721   008076   2-62    Reserved
1722   008076   63      Missing value
1723   008077   0       Land
1724   008077   1       Sea
1725   008077   2       Coastal
1726   008077   3       Open ocean or semi-enclosed sea
1727   008077   4       Enclosed sea or lake
1728   008077   5       Continental ice
1729   008077   6-126   Reserved
1730   008077   127     Missing value
1731   008079   0       Normal issue
1732   008079   1       Correction to a previously issued product (COR)
1733   008079   2       Amendment to a previously issued product (AMD)
1734   008079   3       Correction to a previously issued amended product (COR AMD)
1735   008079   4       Cancellation of a previously issued product (CNL)
1736   008079   5       No product available (NIL)
1737   008079   6-14    Reserved
1738   008079   6       Special report (SPECI)
1739   008079   7       Corrected special report (SPECI COR)
1740   008079   8-14    Reserved
1741   008079   15      Missing value
1742   008079   15      Missing or not applicable
1743   008080   0       Total water pressure profile
1744   008080   1       Total water temperature profile
1745   008080   2       Total water salinity profile
1746   008080   3       Total water conductivity profile
1747   008080   4-9     Reserved
1748   008080   10      Water pressure at a level
1749   008080   11      Water temperature at a level
1750   008080   12      Salinity at a level
1751   008080   13-19   Reserved
1752   008080   20      Position
1753   008080   21-62   Reserved
1754   008080   63      Missing value
1755   008081   0       Sensor
1756   008081   1       Transmitter
1757   008081   2       Receiver
1758   008081   3       Observing platform
1759   008081   4-62    Reserved
1760   008081   63      Missing value
1761   008082   0       Sensor height is not modified
1762   008082   1       Sensor height is modified to standard level
1763   008082   2-6     Reserved
1764   008082   7       Missing value
1765   008083   1       Adjusted with respect to representative height of sensor above local ground (or Deck of marine
1766   008083   2       Adjusted with respect to representative height of sensor above water surface
1767   008083   3       Adjusted with respect to standard surface roughness


                                           Page 34
                                      BC_CodeFlagTable


1768   008083   4        Adjusted with respect to wind speed
1769   008083   5        Adjusted with respect to temperature
1770   008083   6        Adjusted with respect to pressure
1771   008083   7        Adjusted with respect to humidity
1772   008083   8        Adjusted with respect to evaporation
1773   008083   9        Adjusted with respect to wetting losses
1774   008083   10-14    Reserved
1775   008083   All 15   Missing value
1776   008085   0        Fore beam
1777   008085   1        Mid beam
1778   008085   2        Aft beam
1779   008085   3-6      Reserved
1780   008085   7        Missing value
1781   010063   0        Increasing, then decreasing; atmospheric pressure the same or higher than 3 hours ago
1782   010063   1                                                            Atmospheric pressure now higher than 3 ho
                         Increasing, then steady; or increasing, then increasing more slowly
1783   010063   2        Increasing (steadily or unsteadily)                 Atmospheric pressure now higher than 3 ho
1784   010063   3                                                            Atmospheric pressure now higher than 3 ho
                         Decreasing or steady, then increasing; or increasing, then increasing more rapidly
1785   010063   4        Steady; atmospheric pressure the same as 3 hours ago
1786   010063   5        Decreasing, then increasing; atmospheric pressure the same or lower than 3 hours ago
1787   010063   6                                                            Atmospheric pressure now lower than 3 ho
                         Decreasing, then steady; or decreasing, then decreasing more slowly
1788   010063   7        Decreasing (steadily or unsteadily)                 Atmospheric pressure now lower than 3 ho
1789   010063   8                                                            Atmospheric pressure now lower
                         Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly than 3 ho
1790   010063   9-14     Reserved
1791   010063   15       Missing value
1792   010064   0        Subsonic
1793   010064   1        Transonic
1794   010064   2        Supersonic
1795   010064   3-6      Reserved
1796   010064   7        Missing value
1797   011030   0        Nil - In cloud
1798   011030   1        Light - In cloud
1799   011030   2        Moderate - In cloud
1800   011030   3        Severe - In cloud
1801   011030   4        Nil - clear air
1802   011030   5        Light - clear air
1803   011030   6        Moderate - clear air
1804   011030   7        Severe - clear air
1805   011030   8        Nil - Cloud/clear air not specified
1806   011030   9        Light - Cloud/clear air not specified
1807   011030   10       Moderate - Cloud/clear air not specified
1808   011030   11       Severe - Cloud/clear air not specified
1809   011030   12       Extreme, In clear air
1810   011030   13       Extreme, In cloud
1811   011030   14       Extreme, cloud/clear air not specified
1812   011030   15       Light, isolated moderate
1813   011030   16       Light, occasional moderate
1814   011030   17       Light, frequently moderate
1815   011030   18       Moderate, isolated severe
1816   011030   19       Moderate, occasional severe
1817   011030   20       Moderate, frequently severe
1818   011030   21       Severe, isolated extreme
1819   011030   22       Severe, occasional extreme


                                            Page 35
                                      BC_CodeFlagTable


1820   011030   23      Severe, frequently extreme
1821   011030   24-62   Reserved
1822   011030   63      Missing value
1823   011031   0       Nil                                      In cloud
1824   011031   1       Light                                    In cloud
1825   011031   2       Moderate                                 In cloud
1826   011031   3       Severe                                   In cloud
1827   011031   4       Nil                                      In clear air
1828   011031   5       Light                                    In clear air
1829   011031   6       Moderate                                 In clear air
1830   011031   7       Severe                                   In clear air
1831   011031   8       Nil                                      Cloud/clear air not specified
1832   011031   9       Light                                    Cloud/clear air not specified
1833   011031   10      Moderate                                 Cloud/clear air not specified
1834   011031   11      Severe                                   Cloud/clear air not specified
1835   011031   12      Extreme, In clear air
1836   011031   13      Extreme, In cloud
1837   011031   14      Extreme, cloud/clear air not specified
1838   011031   15      Missing value
1839   011037   0       ave <0.1                                 peak <0.1
1840   011037   1       ave <0.1                                 0.1 <= peak <0.2
1841   011037   2       0.1 <= ave <0.2                          0.1 <= peak <0.2
1842   011037   3       ave <0.1                                 0.2 <= peak <0.3
1843   011037   4       0.1 <= ave <0.2                          0.2 <= peak <0.3
1844   011037   5       0.2 <= ave <0.3                          0.2 <= peak <0.3
1845   011037   6       ave <0.1                                 0.3 <= peak <0.4
1846   011037   7       0.1 <= ave <0.2                          0.3 <= peak <0.4
1847   011037   8       0.2 <= ave <0.3                          0.3 <= peak <0.4
1848   011037   9       0.3 <= ave <0.4                          0.3 <= peak <0.4
1849   011037   10      ave <0.1                                 0.4 <= peak <0.5
1850   011037   11      0.1 <= ave <0.2                          0.4 <= peak <0.5
1851   011037   12      0.2 <= ave <0.3                          0.4 <= peak <0.5
1852   011037   13      0.3 <= ave <0.4                          0.4 <= peak <0.5
1853   011037   14      0.4 <= ave <0.5                          0.4 <= peak <0.5
1854   011037   15      ave <0.1                                 0.5 <= peak <0.8
1855   011037   16      0.1 <= ave <0.2                          0.5 <= peak <0.8
1856   011037   17      0.2 <= ave <0.3                          0.5 <= peak <0.8
1857   011037   18      0.3 <= ave <0.4                          0.5 <= peak <0.8
1858   011037   19      0.4 <= ave <0.5                          0.5 <= peak <0.8
1859   011037   20      0.5 <= ave <0.8                          0.5 <= peak <0.8
1860   011037   21      ave <0.1                                 0.8 <= peak
1861   011037   22      0.1 <= ave <0.2                          0.8 <= peak
1862   011037   23      0.2 <= ave <0.3                          0.8 <= peak
1863   011037   24      0.3 <= ave <0.4                          0.8 <= peak
1864   011037   25      0.4 <= ave <0.5                          0.8 <= peak
1865   011037   26      0.5 <= ave <0.8                          0.8 <= peak
1866   011037   27      0.8 <= ave                               0.8 <= peak
1867   011037   28      Nil
1868   011037   29-62   Reserved
1869   011037   63      Missing value
1870   011038   0       min < 1
1871   011038   1       1 <= min < 2


                                            Page 36
                                      BC_CodeFlagTable


1872   011038   2       2 <= min < 3
1873   011038   3       3 <= min < 4
1874   011038   4       4 <= min < 5
1875   011038   5       5 <= min < 6
1876   011038   6       6 <= min < 7
1877   011038   7       7 <= min < 8
1878   011038   8       8 <= min < 9
1879   011038   9       9 <= min < 10
1880   011038   10      10 <= min < 11
1881   011038   11      11 <= min < 12
1882   011038   12      12 <= min < 13
1883   011038   13      13 <= min < 14
1884   011038   14      14 <= min < 15
1885   011038   15      No timing information available
1886   011038   16-30   Reserved
1887   011038   31      Missing value
1888   011039   0       min < 1
1889   011039   1       1 <= min < 2
1890   011039   2       2 <= min < 3
1891   011039   3       3 <= min < 4
1892   011039   4       4 <= min < 5
1893   011039   5       5 <= min < 6
1894   011039   6       6 <= min < 7
1895   011039   7       7 <= min < 8
1896   011039   8       8 <= min < 9
1897   011039   9       9 <= min < 10
1898   011039   10      10 <= min < 11
1899   011039   11      11 <= min < 12
1900   011039   12      12 <= min < 13
1901   011039   13      13 <= min < 14
1902   011039   14      14 <= min < 15
1903   011039   15-59   As above to 59 <=min < 60
1904   011039   60      No timing information available
1905   011039   61-62   Reserved
1906   011039   63      Missing value
1907   013038   0       Not superadiabatic
1908   013038   1       Superadiabatic
1909   013038   2       Reserved
1910   013038   3       Missing value
1911   013039   0       Sea ice
1912   013039   1       Snow on land
1913   013039   2-6     Reserved
1914   013039   7       Missing value
1915   013040   0       Land
1916   013040   1       Reserved
1917   013040   2       Near coast
1918   013040   3       Ice
1919   013040   4       Possible ice
1920   013040   5       Ocean
1921   013040   6       Coast
1922   013040   7-14    Reserved
1923   013040   15      Missing value


                                           Page 37
                                     BC_CodeFlagTable


1924   013041   1       A
1925   013041   2       A-B
1926   013041   3       B
1927   013041   4       B-C
1928   013041   5       C
1929   013041   6       D
1930   013041   7       E
1931   013041   8       F
1932   013041   9       G
1933   013041   10-14   Reserved
1934   013041   15      Missing value
1935   013051   0       Smaller than any value in the 30 year period
1936   013051   1       In the first quintile
1937   013051   2       In the second quintile
1938   013051   3       In the third quintile
1939   013051   4       In the fourth quintile
1940   013051   5       In the fifth quintile
1941   013051   6       Greater than any value in the 30 year period
1942   013051   7-14    Reserved
1943   013051   15      Missing value
1944   013056   0       No precipitation
1945   013056   1       Light intermittent
1946   013056   2       Moderate intermittent
1947   013056   3       Heavy intermittent
1948   013056   4       Very heavy intermittent
1949   013056   5       Light continuous
1950   013056   6       Moderate continuous
1951   013056   7       Heavy continuous
1952   013056   8       Very heavy continuous
1953   013056   9       Variable – alternatively light and heavy
1954   013056   10-14   Reserved
1955   013056   15      Missing value
1956   013057   0       No precipitation
1957   013057   1       Within the last hour
1958   013057   2       1 to 2 hours ago
1959   013057   3       2 to 3 hours ago
1960   013057   4       3 to 4 hours ago
1961   013057   5       4 to 5 hours ago
1962   013057   6       5 to 6 hours ago
1963   013057   7       6 to 8 hours ago
1964   013057   8       8 to 10 hours ago
1965   013057   9       More than 10 hours ago
1966   013057   10-14   Reserved
1967   013057   15      Missing value
1968   015025   0       Ozone
1969   015025   1-10    Reserved
1970   015025   11      Fine particulate matter (diameter < 2.5 microns)
1971   015025   12      Fine particulate matter (diameter < 10 microns)
1972   015025   13-14   Reserved
1973   015025   15      Missing value
1974   019001   0       Depression or low (extratroplcal)
1975   019001   1       Tropical depression


                                           Page 38
                                      BC_CodeFlagTable


1976   019001   2       Tropical storm
1977   019001   3       Severe tropical storm
1978   019001   4       Typhoon
1979   019001   5-9     Reserved
1980   019001   10      Dust/sandstorm
1981   019001   11-62   Reserved
1982   019001   63      Missing value
1983   019008   0       Reserved
1984   019008   1       Shallow (top of circulation below 700 hPa level)
1985   019008   2       Medium (top between 700 hPa and 400 hPa level)
1986   019008   3       Deep (top above 400 hPa level)
1987   019008   4-6     Reserved
1988   019008   7       Missing value
1989   019010   1       Minimum value of sea level pressure
1990   019010   2       Maximum value of 850 hPa relative vorticity
1991   019010   3-14    Reserved
1992   019010   15      Missing value
1993   019100   0-2     Not used
1994   019100   3       During the preceding 15 minutes
1995   019100   4       During the preceding 30 minutes
1996   019100   5       During the preceding 1 hour
1997   019100   6       During the preceding 2 hours
1998   019100   7       During the preceding 3 hours
1999   019100   8       During the preceding 6 hours
2000   019100   9       During a period of more than 6 hours
2001   019100   10      Undetermined
2002   019100   11-14   Not used
2003   019100   15      Missing value
2004   019101   0       Reserved
2005   019101   1       Eye visible on radar scope, accuracy good (within 10 km)
2006   019101   2       Eye visible on radar scope, accuracy fair (within 30 km)
2007   019101   3       Eye visible on radar scope, accuracy poor (within 50 km)
2008   019101   4       Position of the centre within the area covered by the radar scope, determination by means of th
2009   019101   5       Position of the centre within the area covered by the radar scope, determination by means of th
2010   019101   6       Position of the centre within the area covered by the radar scope, determination by means of th
2011   019101   7       Position of the centre outside the area covered by the radar scope, extrapolation by means of
2012   019101   8-9     Reserved
2013   019101   10      Accuracy undetermined
2014   019101   11-14   Not used
2015   019101   15      Missing value
2016   019102   0       Circular
2017   019102   1       Elliptical — the minor axis is at least 3/4 the length of the major axis
2018   019102   2       Elliptical — the minor axis is less than 3/4 the length well defined of the major axis
2019   019102   3       Apparent double eye
2020   019102   4       Other shape
2021   019102   5       Ill defined
2022   019102   6       Undetermined
2023   019102   7       Missing
2024   019103   0       Less than 5 km
2025   019103   1       5 to less than 10 km
2026   019103   2       10 to less than 15 km
2027   019103   3       15 to less than 20 km


                                           Page 39
                                     BC_CodeFlagTable


2028   019103   4       20 to less than 25 km
2029   019103   5       25 to less than 30 km
2030   019103   6       30 to less than 35 km
2031   019103   7       35 to less than 40 km
2032   019103   8       40 to less than 50 km
2033   019103   9       50 km and greater
2034   019103   10      Undetermined
2035   019103   11-14   Not used
2036   019103   15      Missing value
2037   019104   0       Eye has first become visible during the past 30 minutes
2038   019104   1       No significant change in the characteristics or size of the eye
2039   019104   2       Eye has become smaller with no other significant change in characteristics
2040   019104   3       Eye has become larger with no other significant change in characteristics
2041   019104   4       Eye has become less distinct with no significant change in size
2042   019104   5       Eye has become less distinct and decreased in size
2043   019104   6       Eye has become less distinct and increased in size
2044   019104   7       Eye has become more distinct with no significant change in size
2045   019104   8       Eye has become more distinct and decreased in size
2046   019104   9       Eye has become more distinct and increased in size
2047   019104   10      Change in character and size of eye cannot be determined
2048   019104   11-14   Not used
2049   019104   15      Missing value
2050   019105   0       0 to less than 100 km
2051   019105   1       100 to less than 200 km
2052   019105   2       200 to less than 300 km
2053   019105   3       300 to less than 400 km
2054   019105   4       400 to less than 500 km
2055   019105   5       500 to less than 600 km
2056   019105   6       600 to less than 800 km
2057   019105   7       800 km or more
2058   019105   8-9     Reserved
2059   019105   10      Doubtful or undetermined
2060   019105   11-14   Not used
2061   019105   15      Missing value
2062   019107   0       Less than 1 hour
2063   019107   1       1 to less than 2 hours
2064   019107   2       2 to less than 3 hours
2065   019107   3       3 to less than 6 hours
2066   019107   4       6 to less than 9 hours
2067   019107   5       9 to less than 12 hours
2068   019107   6       12 to less than 15 hours
2069   019107   7       15 to less than 18 hours
2070   019107   8       18 to less than 21 hours
2071   019107   9       21 to less than 30 hours
2072   019107   10-14   Not used
2073   019107   15      Missing value
2074   019108   0       Cyclone centre within 10 km of the transmitted position
2075   019108   1       Cyclone centre within 20 km of the transmitted position
2076   019108   2       Cyclone centre within 50 km of the transmitted position
2077   019108   3       Cyclone centre within 100 km of the transmitted position
2078   019108   4       Cyclone centre within 200 km of the transmitted position
2079   019108   5       Cyclone centre within 300 km of the transmitted position


                                           Page 40
                                      BC_CodeFlagTable


2080   019108   6       Cyclone centre undetermined
2081   019108   7       Missing value
2082   019109   0       Less than 1° of latitude
2083   019109   1       1° to less than 2° of latitude
2084   019109   2       2° to less than 3° of latitude
2085   019109   3       3° to less than 4° of latitude
2086   019109   4       4° to less than 5° of latitude
2087   019109   5       5° to less than 6° of latitude
2088   019109   6       6° to less than 7° of latitude
2089   019109   7       7° to less than 8° of latitude
2090   019109   8       8° to less than 9° of latitude
2091   019109   9       9° of latitude or more
2092   019109   10      Undetermined
2093   019109   11-14   Not used
2094   019109   15      Missing value
2095   019110   0       Much weakening
2096   019110   1       Weakening
2097   019110   2       No change
2098   019110   3       Intensification
2099   019110   4       Strong Intensification
2100   019110   5-8     Reserved
2101   019110   9       Not observed previously
2102   019110   10      Undetermined
2103   019110   11-14   Not used
2104   019110   15      Missing value
2105   019113   1       Curved Band
2106   019113   2       Shear
2107   019113   3       Eye
2108   019113   4       Banding Eye
2109   019113   5       Central Dense Overcast (CDO)
2110   019113   6       Embedded Center
2111   019113   7       Center Cold Cover (CCC)
2112   019113   8-14    Reserved
2113   019113   15      Missing value
2114   019117   1       A (Curved Band)
2115   019117   2       B (CDO)
2116   019117   3       C (Shear)
2117   019117   4-6     Reserved
2118   019117   7       Missing value
2119   019119   1       DT-number
2120   019119   2       PT-number
2121   019119   3       MET-number
2122   019119   4-6     Reserved
2123   019119   7       Missing value
2124   020003   00-49   No precipitation at the station at the time of observation
2125   020003   00-19   No precipitation, fog, ice fog (except for 11 and 12), duststorm, sandstorm, drifting or blowing s
2126   020003   00-03   No meteors except for photometeors
2127   020003   00      Cloud development not observed or not observableCharacteristic change of the state of sky du
2128   020003   01      Clouds generally dissolving or becoming less developedCharacteristic change of the state of sky du
2129   020003   02      State of sky on the whole unchanged                   Characteristic change of the state of sky du
2130   020003   03      Clouds generally forming or developing                Characteristic change of the state of sky du
2131   020003   04-09   Haze, dust, sand or smoke


                                            Page 41
                                      BC_CodeFlagTable


2132   020003   04      Visibility reduced by smoke, e.g. veldt or forest fires, Industrial smoke or volcanic ashes
2133   020003   05      Haze
2134   020003   06      Widespread dust in suspension in the air, not raised by wind at or near the station at the time o
2135   020003   07      Dust or sand raised by wind at or near the station at the time of observation, but no well develo
2136   020003   08      Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding h
2137   020003   09      Duststorm or sandstorm within sight at the time of observation, or at the station during the prec
2138   020003   10      Mist
2139   020003   11      Patches                                                Shallow fog or Ice fog at the station, whethe
2140   020003   12      More or less continuous                                Shallow fog or Ice fog at the station, whethe
2141   020003   13      Lightning visible, no thunder heard
2142   020003   14      Precipitation within sight, not reaching the ground or the surface of the sea
2143   020003   15      Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estima
2144   020003   16      Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the
2145   020003   17      Thunderstorm, but no precipitation at the time of observation
2146   020003   18      Squalls                                                At or within sight of the station during the p
2147   020003   19      Funnel cloud(s)**                                      At or within sight of the station during the p
2148   020003   20-29   Precipitation, fog, Ice fog or thunderstorm at the station during the preceding hour but not at th
2149   020003   20      Drizzle (not freezing) or snow grains                  not falling as shower(s)
2150   020003   21      Rain (not freezing)                                    not falling as shower(s)
2151   020003   22      Snow                                                   not falling as shower(s)
2152   020003   23      Rain and snow or ice pellets                           not falling as shower(s)
2153   020003   24      Freezing drizzle or freezing rain                      not falling as shower(s)
2154   020003   25      Shower(s) of rain                                      not falling as shower(s)
2155   020003   26      Shower(s) of snow, or of rain and snow
2156   020003   27      Shower(s) of hail*, or of rain and hail*
2157   020003   28      Fog or Ice fog
2158   020003   29      Thunderstorm (with or without precipitation)
2159   020003   30-39   Duststorm, sandstorm, drifting or blowing snow
2160   020003   30      Slight or moderate duststorm or sandstorm              has decreased during the preceding hour
2161   020003   31      Slight or moderate duststorm or sandstorm              no appreciable change during the precedin
2162   020003   32      Slight or moderate duststorm or sandstorm              has begun or has increased during the prec
2163   020003   33      Severe duststorm or sandstorm                          has decreased during the preceding hour
2164   020003   34      Severe duststorm or sandstorm                          no appreciable change during the precedin
2165   020003   35      Severe duststorm or sandstorm                          has begun or has increased during the prec
2166   020003   36      Slight or moderate drifting snow                       generally low (below eye level)
2167   020003   37      Heavy drifting snow                                    generally low (below eye level)
2168   020003   38      Slight or moderate blowing snow                        generally high (above eye level)
2169   020003   39      Heavy blowing snow                                     generally high (above eye level)
2170   020003   40-49   Fog or ice fog at the time of observation
2171   020003   40      Fog or ice fog at a distance at the time of observation, but not at the station during the precedi
2172   020003   41      Fog or ice fog in patches
2173   020003   42      Fog or ice fog, sky visible                            has become thinner during the preceding h
2174   020003   43      Fog or ice fog, sky invisible                          has become thinner during the preceding h
2175   020003   44      Fog or ice fog, sky visible                            no appreciable change during the precedin
2176   020003   45      Fog or ice fog, sky invisible                          no appreciable change during the precedin
2177   020003   46      Fog or ice fog, sky visible                            has begun or has become thicker during th
2178   020003   47      Fog or ice fog, sky invisible                          has begun or has become thicker during th
2179   020003   48      Fog, depositing rime, sky visible
2180   020003   49      Fog, depositing rime, sky invisible
2181   020003   50-99   Precipitation at the station at the time of observation
2182   020003   50-59   Drizzle
2183   020003   50      Drizzle, not freezing, intermittent                    slight at time of observation


                                             Page 42
                                      BC_CodeFlagTable


2184   020003   51      Drizzle, not freezing, continuous                      slight at time of observation
2185   020003   52      Drizzle, not freezing, intermittent                    moderate at time of observation
2186   020003   53      Drizzle, not freezing, continuous                      moderate at time of observation
2187   020003   54      Drizzle, not freezing, intermittent                    heavy (dense) at time of observation
2188   020003   55      Drizzle, not freezing, continuous                      heavy (dense) at time of observation
2189   020003   56      Drizzle, freezing, slight
2190   020003   57      Drizzle, freezing, moderate or heavy (dense)
2191   020003   58      Drizzle and rain, slight
2192   020003   59      Drizzle and rain, moderate or heavy
2193   020003   60-69   Rain
2194   020003   60      Rain, not freezing, intermittent                       slight at time of observation
2195   020003   61      Rain, not freezing, continuous                         slight at time of observation
2196   020003   62      Rain, not freezing, intermittent                       moderate at time of observation
2197   020003   63      Rain, not freezing, continuous                         moderate at time of observation
2198   020003   64      Rain, not freezing, intermittent                       heavy at time of observation
2199   020003   65      Rain, not freezing, continuous                         heavy at time of observation
2200   020003   66      Rain, freezing, slight
2201   020003   67      Rain, freezing, moderate or heavy
2202   020003   68      Rain or drizzle and snow, light
2203   020003   69      Rain or drizzle and snow, moderate or heavy
2204   020003   70-79   Solid precipitation not in showers
2205   020003   70      Intermittent fall of snowflakes                        slight at time of observation
2206   020003   71      Continuous fall of snowflakes                          slight at time of observation
2207   020003   72      Intermittent fall of snowflakes                        moderate at time of observation
2208   020003   73      Continuous fall of snowflakes                          moderate at time of observation
2209   020003   74      Intermittent fall of snowflakes                        heavy at time of observation
2210   020003   75      Continuous fall of snowflakes                          heavy at time of observation
2211   020003   76      Diamond dust (with or without fog)
2212   020003   77      Snow grains (with or without fog)
2213   020003   78      Isolated star like snow crystals (with or without fog)
2214   020003   79      Ice pellets
2215   020003   80-99   Showery precipitation, or precipitation with current or recent thunderstorm
2216   020003   80      Rain shower(s), slight
2217   020003   81      Rain shower(s), moderate or heavy
2218   020003   82      Rain shower(s), violent
2219   020003   83      Shower(s) of rain and snow mixed, slight
2220   020003   84      Shower(s) of rain and snow mixed, moderate or heavy
2221   020003   85      Snow shower(s), slight
2222   020003   86      Snow shower(s), moderate or heavy
2223   020003   87                                                             slight
                        Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed
2224   020003   88                                                             moderate rain and
                        Shower(s) of snow pellets or small hail, with or without rain or or heavy snow mixed
2225   020003   89                                                             slight
                        Shower(s) of hail*, with or without rain or rain and snow mixed, not associated with thunder
2226   020003   90                                                             moderate or heavy
                        Shower(s) of hail*, with or without rain or rain and snow mixed, not associated with thunder
2227   020003   91      Slight rain at time of observation                     Thunderstorm during the preceding hour bu
2228   020003   92      Moderate or heavy rain at time of observation.         Thunderstorm during the preceding hour bu
2229   020003   93                                                              of observation.
                        Slight snow, or rain and snow mixed or hail* at timeThunderstorm during the preceding hour bu
2230   020003   94                                                             Thunderstorm during the preceding hour bu
                        Moderate or heavy snow, or rain and snow mixed or hail* at time of observation.
2231   020003   95                                                              with rain and/or time at time of observatio
                        Thunderstorm, slight or moderate, without hail*, butThunderstorm at snow of observation
2232   020003   96                                                              of observation.
                        Thunderstorm, slight or moderate, with hail* at timeThunderstorm at time of observation
2233   020003   97                                                             Thunderstorm at of observation.
                        Thunderstorm, heavy, without hail*, but with rain and/or snow at timetime of observation
2234   020003   98                                                             Thunderstorm at time of observation
                        Thunderstorm combined with duststorm or sandstorm at time of observation.
2235   020003   99      Thunderstorm, heavy, with hail* at time of observation.Thunderstorm at time of observation


                                            Page 43
                                        BC_CodeFlagTable


2236   020003   100       No significant weather observed
2237   020003   101       Clouds generally dissolving or becoming less developed during the past hour
2238   020003   102       State of sky on the whole unchanged during the past hour
2239   020003   103       Clouds generally forming or developing during the past hour
2240   020003   104       Haze or smoke, or dust in suspension in the air, visibility equal to, or greater than, 1km
2241   020003   105       Haze or smoke, or dust In suspension in the air, visibility less than 1 km
2242   020003   106-109   Reserved
2243   020003   110       Mist
2244   020003   111       Diamond dust
2245   020003   112       Distant lightning
2246   020003   113-117   Reserved
2247   020003   118       Squalls
2248   020003   119       Reserved
2249   020003   120       Fog
2250   020003   121       PRECIPITATION
2251   020003   122       Drizzle (not freezing) or snow grains
2252   020003   123       Rain (not freezing)
2253   020003   124       Snow
2254   020003   125       Freezing drizzle or freezing rain
2255   020003   126       Thunderstorm (with or without precipitation)
2256   020003   127       Blowing OR DRIFTING SNOW OR SAND
2257   020003   128       Blowing or drifting snow or sand, visibility equal to, or greater than, 1 km
2258   020003   129       Blowing or drifting snow or sand, visibility less than 1 km
2259   020003   130       FOG
2260   020003   131       Fog or ice fog In patches
2261   020003   132       Fog or ice fog, has become thinner during the past hour
2262   020003   133       Fog or ice fog, no appreciable change during the past hour
2263   020003   134       Fog or ice fog, has begun or become thicker during the past hour
2264   020003   135       Fog, depositing rime
2265   020003   136-139   Reserved
2266   020003   140       PRECIPITATION
2267   020003   141       Precipitation, slight or moderate
2268   020003   142       Precipitation, heavy
2269   020003   143       Liquid precipitation, slight or moderate
2270   020003   144       Liquid precipitation, heavy
2271   020003   145       Solid precipitation, slight or moderate
2272   020003   146       Solid precipitation, heavy
2273   020003   147       Freezing precipitation, slight or moderate
2274   020003   148       Freezing precipitation, heavy
2275   020003   149       Reserved
2276   020003   150       DRIZZLE
2277   020003   151       Drizzle, not freezing, slight
2278   020003   152       Drizzle, not freezing, moderate
2279   020003   153       Drizzle, not freezing, heavy
2280   020003   154       Drizzle, freezing, slight
2281   020003   155       Drizzle, freezing, moderate
2282   020003   156       Drizzle, freezing, heavy
2283   020003   157       Drizzle and rain, slight
2284   020003   158       Drizzle and rain, moderate or heavy
2285   020003   159       Reserved
2286   020003   160       RAIN
2287   020003   161       Rain, not freezing, slight


                                              Page 44
                                        BC_CodeFlagTable


2288   020003   162       Rain, not freezing, moderate
2289   020003   163       Rain, not freezing, heavy
2290   020003   164       Rain, freezing, slight
2291   020003   165       Rain, freezing, moderate
2292   020003   166       Rain, freezing, heavy
2293   020003   167       Rain (or drizzle) and snow, slight
2294   020003   168       Rain (or drizzle) and snow, moderate or heavy
2295   020003   169       Reserved
2296   020003   170       SNOW
2297   020003   171       Snow, slight
2298   020003   172       Snow, moderate
2299   020003   173       Snow, heavy
2300   020003   174       Ice pellets, slight
2301   020003   175       Ice pellets, moderate
2302   020003   176       Ice pellets, heavy
2303   020003   177       Snow grains
2304   020003   178       Ice crystals
2305   020003   179       Reserved
2306   020003   180       SHOWER(S) or intermittent PRECIPITATION
2307   020003   181       Rain shower(s) or intermittent rain, slight
2308   020003   182       Rain shower(s) or intermittent rain, moderate
2309   020003   183       Rain shower(s) or intermittent rain, heavy
2310   020003   184       Rain shower(s) or intermittent rain, violent
2311   020003   185       Snow shower(s) or intermittent snow, slight
2312   020003   186       Snow shower(s) or intermittent snow, moderate
2313   020003   187       Snow shower(s) or intermittent snow, heavy
2314   020003   188       Reserved
2315   020003   189       Hail
2316   020003   190       THUNDERSTORM
2317   020003   191       Thunderstorm, slight or moderate, with no precipitation
2318   020003   192       Thunderstorm, slight or moderate, with rain showers and/or snow showers
2319   020003   193       Thunderstorm, slight or moderate, with hail
2320   020003   194       Thunderstorm, heavy, with no precipitation
2321   020003   195       Thunderstorm, heavy, With rain showers and/or snow showers
2322   020003   196       Thunderstorm, heavy, with hail
2323   020003   197-198   Reserved
2324   020003   199       Tornado
2325   020003   200-203   Not used
2326   020003   204       Volcanic ash suspended In the air aloft
2327   020003   205       Not used
2328   020003   206       Thick dust haze, visibility less than 1 km
2329   020003   207       Blowing spray at the station
2330   020003   208       Drifting dust (sand)
2331   020003   209       Wall of dust or sand in distance (like haboob)
2332   020003   210       Snow haze
2333   020003   211       Whiteout
2334   020003   212       Not used
2335   020003   213       Lightning, cloud to surface
2336   020003   214-216   Not used
2337   020003   217       Dry thunderstorm
2338   020003   218       Not used
2339   020003   219       Tornado cloud (destructive) at or within sight of the station during preceding hour or at the time


                                              Page 45
                                       BC_CodeFlagTable


2340   020003   220       Deposition of volcanic ash
2341   020003   221       Deposition of dust or sand
2342   020003   222       Deposition of dew
2343   020003   223       Deposition of wet snow
2344   020003   224       Deposition of soft rime
2345   020003   225       Deposition of hard rime
2346   020003   226       Deposition of hoarfrost
2347   020003   227       Deposition of glaze
2348   020003   228       Deposition of ice crust (ice slick)
2349   020003   229       Not used
2350   020003   230       Duststorm or sandstorm with temperature below 00C
2351   020003   231-238   Not used
2352   020003   239       Blowing snow, impossible to determine whether snow is falling or not
2353   020003   240       Not used
2354   020003   241       Fog on sea
2355   020003   242       Fog in valleys
2356   020003   243       Arctic or Antarctic sea smoke
2357   020003   244       Steam fog (sea, lake or river)
2358   020003   245       Steam log (land)
2359   020003   246       Fog over ice or snow cover
2360   020003   247       Dense fog, visibility 60-90 m
2361   020003   248       Dense fog, visibility 30-60 m
2362   020003   249       Dense fog, visibility less than 30 m
2363   020003   250       Drizzle, rate of fall - less than 0.10 mm h-1
2364   020003   251       Drizzle, rate of fall - 0.10 0.19 mm h-1
2365   020003   252       Drizzle, rate of fall -0.20 0.39 mm h-1
2366   020003   253       Drizzle, rate of fall - O.40 0.79 mm h-1
2367   020003   254       Drizzle, rate of fall - O.80 1.59 mm h-1
2368   020003   255       Drizzle, rate of fall - l.60 3.19 mm h-1
2369   020003   256       Drizzle, rate of fall - 3.20-6.39 mm h-1
2370   020003   257       Drizzle, rate of fall - 6.4 mm h-1 or more
2371   020003   258       Not used
2372   020003   259       Drizzle and snow
2373   020003   260       Rain, rate of fall - less than 1.0 mm h-1
2374   020003   261       Rain - 1. 1.9 mm h-1
2375   020003   262       Rain - 2.- 3.9 mm h-1
2376   020003   263       Rain - 4.- 7.9 mm h-1
2377   020003   264       Rain - 8.-15.9 mm h-1
2378   020003   265       Rain - 16.0-31.9 mm h-1
2379   020003   266       Rain - 32.0-63.9 mm h-1
2380   020003   267       Rain - 64.0 mm h-1 or more
2381   020003   268-269   Not used
2382   020003   270       Snow, rate of fall - less than 1.0 cm h-1
2383   020003   271       Snow - 1.0 1.9 cm h-1
2384   020003   272       Snow - 2.0-3.9 cm h-1
2385   020003   273       Snow - 4.0 7.9 cm h-1
2386   020003   274       Snow - 8.0-15.9 cm h-1
2387   020003   275       Snow - 16.0-31.9 cm h-1
2388   020003   276       Snow - 32.0-63.9 cm h-1
2389   020003   277       Snow - 64.0 cm h-1 or more
2390   020003   278       Snow or Ice crystal precipitation from a clear sky
2391   020003   279       Wet snow, freezing on contact


                                             Page 46
                                        BC_CodeFlagTable


2392   020003   280       Precipitation of rain
2393   020003   281       Precipitation of rain, freezing
2394   020003   282       Precipitation of rain and snow mixed.
2395   020003   283       Precipitation of snow
2396   020003   284       Precipitation of snow pellets or small hall
2397   020003   285       Precipitation of snow pellets or small hail, with rain
2398   020003   286       Precipitation of snow pellets or small hail, with rain and snow mixed
2399   020003   287       Precipitation of snow pellets or small hail, with snow
2400   020003   288       Precipitation of hail
2401   020003   289       Precipitation of hail, with rain
2402   020003   290       Precipitation of hall, with rain and snow mixed
2403   020003   291       Precipitation of hail, with snow
2404   020003   292       Shower(s) or thunderstorm over sea
2405   020003   293       Shower(s) or thunderstorm over mountains
2406   020003   294-299   Not used
2407   020003   300-507   Reserved
2408   020003   508       No significant phenomenon to report, present and past weather omitted
2409   020003   509       No observation, data not available, present and past weather omitted
2410   020003   510       Present and past weather missing, but expected
2411   020003   511       Missing value
2412   020004   0         Cloud covering 1/2 or less of the sky throughout the appropriate period
2413   020004   1         Cloud coverIng more than 1/2 of the sky during part of the appropriate period and covering 1/2
2414   020004   2         Cloud covering more than 1/2 of the sky throughout the appropriate period
2415   020004   3         Sandstorm, duststorm or blowing snow
2416   020004   4         Fog or ice fog or thick haze
2417   020004   5         Drizzle
2418   020004   6         Rain
2419   020004   7         Snow, or rain and snow mixed
2420   020004   8         Shower(s)
2421   020004   9         Thunderstorm(s) with or without precipitation
2422   020004   10        No significant weather observed
2423   020004   11        Visibility REDUCED
2424   020004   12        Blowing phenomena, visibility reduced
2425   020004   13        FOG
2426   020004   14        PRECIPITATION
2427   020004   15        Drizzle
2428   020004   16        Rain
2429   020004   17        Snow or ice pellets
2430   020004   18        Showers or intermittent precipitation
2431   020004   19        Thunderstorm
2432   020004   20-30     Reserved
2433   020004   31        Missing value
2434   020005   0         Cloud covering 1/2 or less of the sky throughout the appropriate period
2435   020005   1         Cloud coverIng more than 1/2 of the sky during part of the appropriate period and covering 1/2
2436   020005   2         Cloud covering more than 1/2 of the sky throughout the appropriate period
2437   020005   3         Sandstorm, duststorm or blowing snow
2438   020005   4         Fog or ice fog or thick haze
2439   020005   5         Drizzle
2440   020005   6         Rain
2441   020005   7         Snow, or rain and snow mixed
2442   020005   8         Shower(s)
2443   020005   9         Thunderstorm(s) with or without precipitation


                                             Page 47
                                      BC_CodeFlagTable


2444   020005   10      No significant weather observed
2445   020005   11      Visibility REDUCED
2446   020005   12      Blowing phenomena, visibility reduced
2447   020005   13      FOG
2448   020005   14      PRECIPITATION
2449   020005   15      Drizzle
2450   020005   16      Rain
2451   020005   17      Snow or ice pellets
2452   020005   18      Showers or intermittent precipitation
2453   020005   19      Thunderstorm
2454   020005   20-30   Reserved
2455   020005   31      Missing value
2456   020006   0       Low Instrument Flight Rules - Ceiling < 500 feet and/or Visibility < 1 mile
2457   020006   1       Instrument Flight Rules - Ceiling < 1000 feet and/or Visibility < 3 miles
2458   020006   2       Marginal Visual Flight Rules - 1000 feet <= Ceiling < 3000 feet and/or 3 miles <= Visibility < 5 m
2459   020006   3       Visual Flight Rules - Ceiling >= 3000 feet and/or Visibility >= 5 miles
2460   020006   4-6     Reserved
2461   020006   7       Missing value
2462   020008   0       Sky Clear
2463   020008   1       Few
2464   020008   2       Scattered
2465   020008   3       Broken
2466   020008   4       Overcast
2467   020008   5       Reserved
2468   020008   6       Scattered/Broken                                    (Many forecasts use scattered/broken or br
2469   020008   7       Broken/Overcast                                     (Many forecasts use scattered/broken or br
2470   020008   8       Isolated                                            (Used on aviation charts to describe the clo
2471   020008   9       Isolated embedded                                   (Used on aviation charts to describe the clo
2472   020008   10      Occasional                                          (Used on aviation charts to describe the clo
2473   020008   11      Occasional embedded                                 (Used on aviation charts to describe the clo
2474   020008   12      Frequent                                            (Used on aviation charts to describe the clo
2475   020008   13      Dense                                               (Used on aviation charts to describe cloud
2476   020008   14      Layers
2477   020008   15      Obscured (OBSC)
2478   020008   16      Embedded (EMBD)
2479   020008   17      Frequent embedded
2480   020008   18-30   Reserved
2481   020008   31      Missing value
2482   020009   0       Reserved
2483   020009   1       NSC Nil Significant Cloud
2484   020009   2       CAVOK
2485   020009   3       SKC Sky Clear
2486   020009   4       NSW Nil Significant Weather
2487   020009   5-14    Reserved
2488   020009   15      Missing value
2489   020011   0       0                                                   0
2490   020011   1       1 okta or less, but not zero                        1/10 or less, but not zero
2491   020011   2       2 oktas                                             2/10 – 3/10
2492   020011   3       3 oktas                                             4/10
2493   020011   4       4 oktas                                             5/10
2494   020011   5       5 oktas                                             6/10
2495   020011   6       6 oktas                                             7/10 – 8/10


                                            Page 48
                                   BC_CodeFlagTable


2496   020011   7    7 oktas or more, but not 8 oktas                      9/10 or more, but not 10/10
2497   020011   8    8 oktas                                               10/10
2498   020011   9    Sky obscured by fog and/or other meteorological phenomena
2499   020011   10   Sky partially obscured by fog and/or other meteorological phenomena
2500   020011   11   Scattered
2501   020011   12   Broken
2502   020011   13   Few
2503   020011   14   Reserved
2504   020011   15   Cloud cover is indiscernible for reasons other than fog or other meteorologicalphenomena, or
2505   020012   0    Cirrus (Ci)
2506   020012   1    Cirrocumulus (Cc)
2507   020012   2    Cirrostratus (Cs)
2508   020012   3    Altocumulus (Ac)
2509   020012   4    Altostratus (As)
2510   020012   5    Nimbostratus (Ns)
2511   020012   6    Stratocumulus (Sc)
2512   020012   7    Stratus(St)
2513   020012   8    Cumulus (Cu)
2514   020012   9    Cumulonimbus (Cb)
2515   020012   10   No CH clouds
2516   020012   11   Cirrus fibratus, sometimes uncinus, not progressively invading the sky
2517   020012   12   Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometim
2518   020012   13   Cirrus spissatus cumulonimbogenitus
2519   020012   14   Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a w
2520   020012   15   Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; t
2521   020012   16   Cirrus (often In bands) and Cirrostratus, or Cirrostratus alone, progressively Invading the sky;
2522   020012   17   Cirrostratus covering the whole sky
2523   020012   18   Cirrostratus not progressively invading the sky and not entirely covering It
2524   020012   19   Cirrocumulus alone, or Cirrocumulus predominant among the CH clouds
2525   020012   20   No CM clouds
2526   020012   21   Altostratus translucidus
2527   020012   22   Altostratus opacus or Nimbostratus
2528   020012   23   Altocumulus translucidus at a single level
2529   020012   24   Patches (often Lenticular) of Altocumulus translucidus, continually changing and occurring at o
2530   020012   25   Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacu
2531   020012   26   Altocumulus cumulogenitus (or cumulonimbogenitus)
2532   020012   27   Altocumulus translucidus or opacus In two or more layers, or Altocumulus opacus In a single la
2533   020012   28   Altocumulus castellanus or floccus
2534   020012   29   Altocumulus of a chaotic sky, generally at several levels
2535   020012   30   No CL clouds
2536   020012   31   Cumulus humilis or Cumulus fractus other than of bad weather,* or both
2537   020012   32   Cumulus mediocris or congestus, Towering cumulus (TCU), with or without Cumulus of specie
2538   020012   33   Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus
2539   020012   34   Stratocumulus cumulogenitus
2540   020012   35   Stratocumulus other than Stratocumulus cumulogenitus
2541   020012   36   Stratus nebulosus or Stratus fractus other than of bad weather*, or both
2542   020012   37   Stratus fractus or Cumulus fractus of bad weather*, or both (pannus),usually below Altostratus
2543   020012   38   Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different l
2544   020012   39   Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus
2545   020012   40   CH
2546   020012   41   CM
2547   020012   42   CL


                                         Page 49
                                      BC_CodeFlagTable


2548   020012   43-58    Reserved
2549   020012   59       Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomen
2550   020012   60       CH clouds Invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena,
2551   020012   61       CM clouds Invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena,
2552   020012   62       CL clouds invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena
2553   020012   63       Missing value
2554   020017   0        Isolated cloud fragments of clouds
2555   020017   1        Continuous cloud                                   flat tops
2556   020017   2        Broken cloud - small breaks                        flat tops
2557   020017   3        Broken cloud - large breaks                        flat tops
2558   020017   4        Continuous cloud                                   undulating tops
2559   020017   5        Broken cloud - small breaks                        undulating tops
2560   020017   6        Broken cloud - large breaks                        undulating tops
2561   020017   7        Continuous or almost continuous waves with towering clouds above the top of the layer
2562   020017   8        Groups of waves with towering clouds above the top of the layer
2563   020017   9        Two or more layers at different levels
2564   020017   10-14    Reserved
2565   020017   15       Missing value
2566   020018   0        Increasing (U)
2567   020018   1        Decreasing (D)
2568   020018   2        No distinct change (N)
2569   020018   3        Missing value
2570   020021   1        Precipitation-unknown type
2571   020021   2        Liquid precipitation not freezing
2572   020021   3        Liquid freezing precipitation
2573   020021   4        Drizzle
2574   020021   5        Rain
2575   020021   6        Solid precipitation
2576   020021   7        Snow
2577   020021   8        Snow grains
2578   020021   9        Snow pellets
2579   020021   10       Ice pellets
2580   020021   11       Ice crystals
2581   020021   12       Diamond dust
2582   020021   13       Small hail
2583   020021   14       Hail
2584   020021   15       Glaze
2585   020021   16       Rime
2586   020021   17       Soft rime
2587   020021   18       Hard rime
2588   020021   19       Clear ice
2589   020021   20       Wet snow
2590   020021   21       Hoar frost
2591   020021   22       Dew
2592   020021   23       White dew
2593   020021   24-29    Reserved
2594   020021   All 30   Missing value
2595   020022   0        No precipitation
2596   020022   1        Continuous
2597   020022   2        Intermittent
2598   020022   3        Shower
2599   020022   4        Not reaching ground


                                            Page 50
                                      BC_CodeFlagTable


2600   020022   5        Deposition
2601   020022   6-14     Reserved
2602   020022   15       Missing value
2603   020023   1        Dust/sand whirl
2604   020023   2        Squalls
2605   020023   3        Sand storm
2606   020023   4        Dust storm
2607   020023   5        Lightning - cloud to surface
2608   020023   6        Lightning - cloud to cloud
2609   020023   7        Lightning - distant
2610   020023   8        Thunderstorm
2611   020023   9        Funnel Cloud not touching surface
2612   020023   10       Funnel cloud touching surface
2613   020023   11       Spray
2614   020023   12       Water-spout
2615   020023   13-17    Reserved
2616   020023   13       Wind shear
2617   020023   14-17    Reserved
2618   020023   All 18   Missing value
2619   020024   0        No phenomena
2620   020024   1        Light
2621   020024   2        Moderate
2622   020024   3        Heavy
2623   020024   4        Violent
2624   020024   5        Severe
2625   020024   6        Reserved
2626   020024   7        Missing value
2627   020025   1        Fog
2628   020025   2        Ice fog
2629   020025   3        Steam fog
2630   020025   4-6      Reserved
2631   020025   7        Mist
2632   020025   8        Haze
2633   020025   9        Smoke
2634   020025   10       Volcanic ash
2635   020025   11       Dust
2636   020025   12       Sand
2637   020025   13       Snow
2638   020025   14-20    Reserved
2639   020025   14       Cloud
2640   020025   15       Precipitation
2641   020025   16-20    Reserved
2642   020025   All 21   Missing value
2643   020026   0        No change
2644   020026   1        Shallow
2645   020026   2        Patches
2646   020026   3        Partial
2647   020026   4        Freezing
2648   020026   5        Low drifting
2649   020026   6        Blowing
2650   020026   7        Increasing
2651   020026   8        Decreasing


                                           Page 51
                                      BC_CodeFlagTable


2652   020026   9       In suspension in the air
2653   020026   10      Wall
2654   020026   11      Dense
2655   020026   12      Whiteout
2656   020026   13-14   Reserved
2657   020026   15      Missing value
2658   020027   1       At time of observation
2659   020027   2       In past hour
2660   020027   3       In time period for past weather W1W2
2661   020027   4       In time period specified
2662   020027   5       Reserved
2663   020027   6       Below station level
2664   020027   7       At the station
2665   020027   8       In the vicinity
2666   020027   All 9   Missing value
2667   020028   0       No change (NC)
2668   020028   1       Forecast to weaken (WKN)
2669   020028   2       Forecast to intensify (INTSF)
2670   020028   3-6     Reserved
2671   020028   7       Missing value
2672   020029   0       No rain
2673   020029   1       Rain
2674   020029   2       Reserved
2675   020029   3       Missing value
2676   020032   0       Ice not building up
2677   020032   1       Ice building up slowly
2678   020032   2       Ice building up rapidly
2679   020032   3       Ice melting or breaking up slowly
2680   020032   4       Ice melting or breaking up rapidly
2681   020032   5-6     Reserved
2682   020032   7       Missing value
2683   020033   1       Icing from ocean spray
2684   020033   2       Icing from fog
2685   020033   3       Icing from rain
2686   020033   All 4   Missing value
2687   020034   0       No sea ice In sight
2688   020034   1       Ship in open lead more than 1.0 nautical mile wide, or ship in fast ice with boundary beyond lim
2689   020034   2                                                            Sea ice water or very is uniform ice
                        Sea ice present In concentrations less than 3/10 (3/8) openconcentration open pack in the obs
2690   020034   3       4/10 to 6/10 (3/8 to less than 6/8), open pack ice Sea ice concentration is uniform in the obs
2691   020034   4       7/10 to 8/10 (6/8 to less 7/8), close pack ice       Sea ice concentration is uniform in the obs
2692   020034   5                                                            Sea ice concentration is uniform in the obs
                        9/10 or more, but not 10/10 (7/8 to less than 8/8), very close pack ice
2693   020034   6                                                            Sea
                        Strips and patches of pack ice with open water betweenice concentration is not uniform in the
2694   020034   7                                                            Sea ice concentration is not uniform in the
                        Strips and patches of close or very close pack ice with areas of lesser concentration between
2695   020034   8                                                            Sea seaward of the ice not uniform
                        Fast ice with open water, very open or open pack Ice to ice concentration isboundary in the
2696   020034   9                                                            Sea ice boundary
                        Fast ice with close or very close pack ice to seaward of the concentration is not uniform in the
2697   020034   10-13   Reserved
2698   020034   14      Unable to report, because of darkness, lack of visibility, or because ship is more than 0.5 naut
2699   020034   15-30   Reserved
2700   020034   31      Missing value
2701   020035   0       No ice of land origin
2702   020035   1       1 5 icebergs, no growlers or bergy bits
2703   020035   2       6 10 icebergs, no growlers or bergy bits


                                            Page 52
                                      BC_CodeFlagTable


2704   020035   3       11 20 Icebergs, no growlers or bergy bits
2705   020035   4       Up to and Including 10 growlers and bergy bits no icebergs
2706   020035   5       More than 10 growlers and bergy bits no Icebergs
2707   020035   6       1 5 icebergs, with growlers and bergy bits
2708   020035   7       6 10 icebergs, with growlers and bergy bits
2709   020035   8       11 20 icebergs, with growlers and bergy bits
2710   020035   9       More than 20 Icebergs, with growlers and bergy bits a major hazard to navigation
2711   020035   10-13   Reserved
2712   020035   14      Unable to report, because of darkness, lack of visibility or because only sea ice is visible
2713   020035   15      Missing value
2714   020036   0       Ship in open water with floating ice in sight
2715   020036   1       Ship In easily penetrable ice; conditions improving
2716   020036   2       Ship In easily penetrable ice; conditions not changing
2717   020036   3       Ship in easily penetrable ice; conditions worsening
2718   020036   4       Ship in ice difficult to penetrate; conditions improving
2719   020036   5       Ship in ice difficult to penetrate; conditions not changing
2720   020036   6       Ship in ice difficult to penetrate and conditions worsening. Ice forming and floe freezing togethe
2721   020036   7       Ship in ice difficult to penetrate and conditions worsening. Ice under slight pressure
2722   020036   8       Ship in ice difficult to penetrate and conditions worsening. Ice under moderate or severe press
2723   020036   9       Ship in ice difficult to penetrate and conditions worsening. Ship beset
2724   020036   10-29   Reserved
2725   020036   30      Unable to report, because of darkness or lack of visibility
2726   020036   31      Missing value
2727   020037   0       New ice only (frazil ice, grease ice, slush, shuga)
2728   020037   1       Nilas or ice rind, less than 10 cm thick
2729   020037   2       Young ice (grey ice, grey white ice), 10-30 cm thick
2730   020037   3       Predominantly new and/or young ice with some first year ice
2731   020037   4       Predominantly thin first year ice with some new and/or young ice
2732   020037   5       All thin first year ice (30 70 cm thick)
2733   020037   6       Predominantly medium first year ice (70 120 cm thick) and thick first year ice (>120 cm thick) w
2734   020037   7       All medium and thick first year ice
2735   020037   8       Predominantly medium and thick first year ice with some old ice (usually more than 2 metres th
2736   020037   9       Predominantly old ice
2737   020037   10-29   Reserved
2738   020037   30      Unable to report, because of darkness, lack of visibility or because only ice of land origin is vis
2739   020037   31      Missing value
2740   020040   0       Drift snow ended before the hour of observation
2741   020040   1       Intensity diminishing
2742   020040   2       No change
2743   020040   3       Intensity increasing
2744   020040   4       Continues, apart from interruption lasting less than 30 minutes
2745   020040   5       General drift snow has become drift snow near the ground
2746   020040   6       Drift snow near the ground has become general drift snow
2747   020040   7       Drift snow has started again after an interruption of more than 30 minutes
2748   020040   8 -14   Reserved
2749   020040   15      Missing value
2750   020041   0       No icing
2751   020041   1       Light icing
2752   020041   2       Light icing In cloud
2753   020041   3       Light icing In precipitation
2754   020041   4       Moderate icing
2755   020041   5       Moderate icing in cloud


                                            Page 53
                                      BC_CodeFlagTable


2756   020041   6       Moderate icing in precipitation
2757   020041   7       Severe icing
2758   020041   8       Severe icing in cloud
2759   020041   9       Severe icing in precipitation
2760   020041   10      Trace of icing
2761   020041   11      Trace of icing in cloud
2762   020041   12      Trace of icing in precipitation
2763   020041   13-14   Reserved
2764   020041   15      Missing value
2765   020042   0       No icing
2766   020042   1       Icing present
2767   020042   2       Reserved
2768   020042   3       Missing value
2769   020045   0       No SLD conditions present
2770   020045   1       SLD conditions present
2771   020045   2       Reserved
2772   020045   3       Missing value
2773   020048   0       Stability
2774   020048   1       Diminution
2775   020048   2       Intensification
2776   020048   3       Unknown
2777   020048   4-14    Reserved
2778   020048   15      Missing value
2779   020050   0       Reserved
2780   020050   1       1st low cloud
2781   020050   2       2nd low cloud
2782   020050   3       3rd low cloud
2783   020050   4       1st medium cloud
2784   020050   5       2nd medium cloud
2785   020050   6       3rd medium cloud
2786   020050   7       1st high cloud
2787   020050   8       2nd high cloud
2788   020050   9-254   Reserved
2789   020050   255     Missing value
2790   020055   0       Cumulus, if any, are quite small; generally less than 2/8 coverage, except on windward slopes
2791   020055   1       Cumulus of intermediate size with cloud cover less than 5/8; average cloud width is more than
2792   020055   2       Swelling Cumulus with rapidly growing tall turrets which decrease in size with height and whos
2793   020055   3       Swelling Cumulus with towers having a pronounced tilt in a downwind direction; vertical cloud t
2794   020055   4       Swelling Cumulus with towers having a pronounced tilt in an upwind direction; vertical cloud th
2795   020055   5       Tall Cumulus congestus with vertical thickness more than twice the average width; not organiz
2796   020055   6       Isolated Cumulonimbus or large clusters of Cumulus turrets separated by wide areas in which
2797   020055   7       Numerous Cumulus extending through the middle troposphere with broken to overcast sheets
2798   020055   8       Continuous dense middle clouds and/or Cirrostratus cloud sheets with some large isolated Cu
2799   020055   9       Continuous sheets of middle clouds and/or Cirrostratus with Cumulonimbus and Cumulus con
2800   020055   10      State of sky unknown or not described by any of the above
2801   020055   11-14   Reserved
2802   020055   15      Missing value
2803   020056   0       Unknown
2804   020056   1       Water
2805   020056   2       Ice
2806   020056   3       Mixed
2807   020056   4-6     Reserved


                                           Page 54
                                      BC_CodeFlagTable


2808   020056   7       Missing value
2809   020062   0                                                           without snow or measurable ice cover
                        Surface of ground dry (without cracks and no appreciable amount of dust or loose sand)
2810   020062   1       Surface of ground moist                             without snow or measurable ice cover
2811   020062   2                                                           without snow or measurable ice cover
                        Surface of ground wet (standing water in small or large pools on surface)
2812   020062   3       Flooded                                             without snow or measurable ice cover
2813   020062   4       Surface of ground frozen                            without snow or measurable ice cover
2814   020062   5       Glaze on ground                                     without snow or measurable ice cover
2815   020062   6                                                           without snow or measurable ice cover
                        Loose dry dust or sand not covering ground completely
2816   020062   7                                                           without snow
                        Thin cover of loose dry dust or sand covering ground completely or measurable ice cover
2817   020062   8                                                           without snow or measurable
                        Moderate or thick cover of loose dry dust or sand covering ground completely ice cover
2818   020062   9       Extremely dry with cracks                           without snow or measurable ice cover
2819   020062   10      Ground predominantly covered by ice                 without snow or measurable ice cover
2820   020062   11                                                          less than or measurable ice cover
                        Compact or wet snow (with or without ice) covering with snow one half of the ground
2821   020062   12                                                          at least one measurable ice cover
                        Compact or wet snow (with or without ice) covering with snow or half of the ground but ground n
2822   020062   13                                                          with snow or
                        Even layer of compact or wet snow covering ground completely measurable ice cover
2823   020062   14                                                          with snow or measurable ice cover
                        Uneven layer of compact or wet snow covering ground completely
2824   020062   15                                                          with snow or measurable ice cover
                        Loose dry snow covering less than one half of the ground
2825   020062   16                                                          with (but or completely)
                        Loose dry snow covering at least one half of the ground snownot measurable ice cover
2826   020062   17                                                          with snow or measurable ice cover
                        Even layer of loose dry snow covering ground completely
2827   020062   18                                                          with snow
                        Uneven layer of loose dry snow covering ground completely or measurable ice cover
2828   020062   19      Snow covering ground completely; deep drifts        with snow or measurable ice cover
2829   020062   20-30   Reserved
2830   020062   31      Missing value
2831   020071   0       No assessment                                       No assessment
2832   020071   1       Less than 50 km                                     Less than 1 per second
2833   020071   2       Between 50 and 200 km                               Less than 1 per second
2834   020071   3       More than 200 km                                    Less than 1 per second
2835   020071   4       Less than 50 km                                     1 or more per second
2836   020071   5       Between 50 and 200 km                               1 or more per second
2837   020071   6       More than 200 km                                    1 or more per second
2838   020071   7       Less thank 50 km                                    Rate so rapid number cannot be counted
2839   020071   8       Between 50 and 200 km                               Rate so rapid number cannot be counted
2840   020071   9       More than 200 km                                    Rate so rapid number cannot be counted
2841   020071   10-14   Reserved
2842   020071   15      Missing value
2843   020085   0       Cleared (CLRD//)
2844   020085   1       All runways closed (SNOCLO)
2845   020085   2-14    Reserved
2846   020085   15      Missing value
2847   020086   0       Clear and dry
2848   020086   1       Damp
2849   020086   2       Wet with water patches
2850   020086   3       Rime and frost covered (depth normally less than 1 mm)
2851   020086   4       Dry snow
2852   020086   5       Wet snow
2853   020086   6       Slush
2854   020086   7       Ice
2855   020086   8       Compacted or rolled snow
2856   020086   9       Frozen ruts or ridges
2857   020086   10-14   Reserved
2858   020086   15      Missing or not reported (e.g. due to runway clearance in progress)
2859   020087   0       Reserved


                                           Page 55
                                        BC_CodeFlagTable


2860   020087   1         Less than 10% of runway covered
2861   020087   2         11% to 25% of runway covered
2862   020087   3-4       Reserved
2863   020087   5         25% to 50% of runway covered
2864   020087   6-8       Reserved
2865   020087   9         51% to 100% of runway covered
2866   020087   10-14     Reserved
2867   020087   15        Missing or not reported (e.g. due to runway clearance in progress)
2868   020089   0         0.00
2869   020089   1         0.01
2870   020089   2-88      0.02…0.88
2871   020089   89        0.89
2872   020089   90        0.90
2873   020089   91        Braking action poor
2874   020089   92        Braking action medium to poor
2875   020089   93        Braking action medium
2876   020089   94        Braking action medium to good
2877   020089   95        Braking action good
2878   020089   96-98     Reserved
2879   020089   99        Unreliable
2880   020089   100-126   Reserved
2881   020089   127       Missing, not reported and/or runway not operational.
2882   020090   0         Reserved
2883   020090   1         Nacreous clouds
2884   020090   2         Noctilucent clouds
2885   020090   3         Clouds from waterfalls
2886   020090   4         Clouds from fires
2887   020090   5         Clouds from volcanic eruptions
2888   020090   6-14      Reserved
2889   020090   15        Missing value
2890   020101   0         Reserved
2891   020101   1         Schistocerca gregaria
2892   020101   2         Locusta migratoria
2893   020101   3         Nomadacris septemfasciata
2894   020101   4         Oedaleus senegalensis
2895   020101   5         Anracridium spp
2896   020101   6         Other locusts
2897   020101   7         Other grasshoppers
2898   020101   8         Other crickets
2899   020101   9         Spodoptera exempt
2900   020101   10-14     Reserved
2901   020101   15        Missing value
2902   020102   0         Green
2903   020102   1         Green or black
2904   020102   2         Black
2905   020102   3         Yellow and black
2906   020102   4         Straw/grey
2907   020102   5         Pink
2908   020102   6         Dark red/brown
2909   020102   7         Mixed red and yellow
2910   020102   8         Yellow
2911   020102   9         Other


                                             Page 56
                                      BC_CodeFlagTable


2912   020102   10-14   Reserved
2913   020102   15      Missing value
2914   020103   0       Hoppers (nymphs, larvae), stage 1
2915   020103   1       Hoppers (nymphs, larvae), stage 2 or mixed 1, 2 instars (stages)
2916   020103   2       Hoppers (nymphs, larvae), stage 3 or mixed 2, 3 instars
2917   020103   3       Hoppers (nymphs, larvae), stage 4 or mixed 3, 4 instars
2918   020103   4       Hoppers (nymphs, larvae), stage 5 or mixed 4, 5 instars
2919   020103   5       Hoppers (nymphs, larvae), stage mixed, all or many instars
2920   020103   6       Fledglings (wings too soft for sustained flight)
2921   020103   7       Immature adults
2922   020103   8       Mixed maturity adults
2923   020103   9       Mature adults
2924   020103   10-14   Reserved
2925   020103   15      Missing value
2926   020104   0       Hoppers only, mainly in bands or clusters
2927   020104   1       Winged adults in the vicinity more than 10 kilometres from point of observation
2928   020104   2       Locusts in flight, a few seen at the station
2929   020104   3       Locusts at the station, most of them on the ground
2930   020104   4       Locusts, some on ground and others in flight at a height less than 10 metres
2931   020104   5       Locusts, some on ground and others in flight at a height greater than10 metres
2932   020104   6       Locusts, most in flight at a height less than 10 metres
2933   020104   7       Locusts, most in flight at a height greater than 10 metres
2934   020104   8       Locusts, all over inflicting severe damage to vegetation, no extermination operation
2935   020104   9       Locusts, all over inflicting severe damage to vegetation, extermination operation in progress
2936   020104   10-14   Reserved
2937   020104   15      Missing value
2938   020105   0       Reserved                                             When 0 20 104 (Organizational state of sw
2939   020105   1       Area covered by isolated bands < 10 m2               When 0 20 104 (Organizational state of sw
2940   020105   2       Area covered by isolated bands 10 – 100 m2           When 0 20 104 (Organizational state of sw
2941   020105   3       Area covered by isolated bands 100 – 1000 m2         When 0 20 104 (Organizational state of sw
2942   020105   4       Area covered by isolated bands 1 000 – 10000 m2 When 0 20 104 (Organizational state of sw
2943   020105   5       Area covered by isolated bands 1 – 10 ha             When 0 20 104 (Organizational state of sw
2944   020105   6       Area covered by isolated bands > 10 ha               When 0 20 104 (Organizational state of sw
2945   020105   7       Area covered by dispersed bands < 100 km2            When 0 20 104 (Organizational state of sw
2946   020105   8       Area covered by dispersed bands 100 – 1000 km2 When 0 20 104 (Organizational state of sw
2947   020105   9       Area covered by dispersed bands > 1000 km2           When 0 20 104 (Organizational state of sw
2948   020105   10-14   Reserved
2949   020105   15      Missing value
2950   020105   0                                                            When 0 20 104 of individuals visible of sw
                        Small swarm less than 1 km2 or adults in ground, tens or hundreds(Organizational state simult
2951   020105   1                                                            When 0 20 104 of individuals visible of sw
                        Small swarm less than 1 km2 or adults in ground, tens or hundreds(Organizational state simult
2952   020105   2                                                            When 0 20 104 of individuals visible of sw
                        Small swarm less than 1 km2 or adults in ground, tens or hundreds(Organizational state simult
2953   020105   3                                                            When 0 20 104 (Organizational state of th
                        Medium swarm or scattered adults, several visible simultaneously, duration of passage lesssw
2954   020105   4                                                            When 0 20 104 (Organizational state to 6
                        Medium swarm or scattered adults, several visible simultaneously, duration of passage 1of swh
2955   020105   5                                                            When 0 20 104 (Organizational state of sw
                        Medium swarm or scattered adults, several visible simultaneously, duration of passage over 6
2956   020105   6                                                            When 0 20 104 (Organizational state
                        Large swarm or isolated adults, seen singly, duration of passage less than 1 hour ago of sw
2957   020105   7                                                            When 0 20 104 (Organizational
                        Large swarm or isolated adults, seen singly, duration of passage 1 to 6 hours ago state of sw
2958   020105   8                                                            When 0 20 104 (Organizational
                        Large swarm or isolated adults, seen singly, duration of passage over 6 hours ago state of sw
2959   020105   9       More than one swarm of locusts                       When 0 20 104 (Organizational state of sw
2960   020105   10                                                           When owing to (Organizational state of sw
                        Size of swarm and/or duration of passage not determined 0 20 104 darkness or similar phenom
2961   020105   11-14   Reserved                                             When 0 20 104 (Organizational state of sw
2962   020105   15      Missing value
2963   020106   0       Reserved


                                           Page 57
                                      BC_CodeFlagTable


2964   020106   1        Thin density swarm (swarm visible only when near enough for individual locusts to be discerne
2965   020106   2        Medium density swarm
2966   020106   3        Dense swarm (obscuring nearby features, e.g. trees)
2967   020106   4        Isolated hoppers seen singly
2968   020106   5        Scattered hoppers, several visible simultaneously
2969   020106   6-14     Reserved
2970   020106   15       Missing value
2971   020107   0        Reserved
2972   020107   1        Generally in the direction NE
2973   020107   2        Generally in the direction E
2974   020107   3        Generally in the direction SE
2975   020107   4        Generally in the direction S
2976   020107   5        Generally in the direction SW
2977   020107   6        Generally in the direction W
2978   020107   7        Generally in the direction NW
2979   020107   8        Generally in the direction N
2980   020107   9        Specific direction indeterminable
2981   020107   10-14    Reserved
2982   020107   15       Missing value
2983   020108   0        Bare ground
2984   020108   1        Dry, presence of few and isolated shrubs
2985   020108   2        Sparse vegetation (sprouting)
2986   020108   3        Dense vegetation (sprouting)
2987   020108   4        Sparse vegetation (growing)
2988   020108   5        Dense vegetation (growing)
2989   020108   6        Sparse vegetation in flower
2990   020108   7        Dense vegetation in flower
2991   020108   8-14     Reserved
2992   020108   15       Missing value
2993   021066   1        Process equipment not working
2994   021066   2        Equipment failed
2995   021066   3        PRF code changed during image generation
2996   021066   4        Sampling window changed during image generation
2997   021066   5        Gain changed during image generation
2998   021066   6        Chirp replica exceeds specified values
2999   021066   7        Input data mean & standard deviation of in-phase & quadrature out of range
3000   021066   8        Doppler centroid confidence > MMCC value
3001   021066   9        Doppler centroid absolute value > PRF/2
3002   021066   10       Doppler ambiguity confidence < MMCC value
3003   021066   11       Output data mean and standard deviation =< MMCC value
3004   021066   All 12   Missing value
3005   021067   1        No forebeam calculation
3006   021067   2        No midbeam calculation
3007   021067   3        No aftbeam calculation
3008   021067   4        Forebeam arcing detected
3009   021067   5        Midbeam arcing detected
3010   021067   6        Aftbeam arcing detected
3011   021067   7        Any beam noise content above or equal to threshold
3012   021067   8        Land (any land in cell footprint)
3013   021067   9        Autonomous ambiguity removal not used
3014   021067   10       Meteorological background not used
3015   021067   11       Minimum residual exceeded threshold


                                            Page 58
                                       BC_CodeFlagTable


3016   021067   12       Frame checksum error detected
3017   021067   All 13   Missing value
3018   021068   1        Standard deviation wind speed outside MMCC limit
3019   021068   2        Standard deviation Significant wave height outside MMCC limit
3020   021068   3        Standard deviation altitude outside MMCC limit
3021   021068   4        Mean peakiness outside MMCC limit
3022   021068   5        Frame checksum error detected
3023   021068   6        Height-time loop time constant correction not performed
3024   021068   7        Not enough measurements (N<10)
3025   021068   All 8    Missing value
3026   021069   1
3027   021069   2
3028   021069   3
3029   021069   4
3030   021069   5        Cloud identification used 1.6 um histogram reflectance cloud test
3031   021069   6
3032   021069   7        Sun glint detected by 1.6 um reflectance cloud test
3033   021069   8
3034   021069   9        Sea surface temperature derivation used day-time data (night time if zero)
3035   021069   All 10   Missing value
3036   021070   1        Cell 1:nadir-only view SST used 3.7 micron channel
3037   021070   2        Cell 2:nadir-only view SST used 3.7 micron channel
3038   021070   3        Cell 3:nadir-only view SST used 3.7 micron channel
3039   021070   4        Cell 4:nadir-only view SST used 3.7 micron channel
3040   021070   5        Cell 5:nadir-only view SST used 3.7 micron channel
3041   021070   6        Cell 6:nadir-only view SST used 3.7 micron channel
3042   021070   7        Cell 7:nadir-only view SST used 3.7 micron channel
3043   021070   8        Cell 8:nadir-only view SST used 3.7 micron channel
3044   021070   9        Cell 9:nadir-only view SST used 3.7 micron channel
3045   021070   10       Cell 1:dual view SST used 3.7 micron channel
3046   021070   11       Cell 2:dual view SST used 3.7 micron channel
3047   021070   12       Cell 3:dual view SST used 3.7 micron channel
3048   021070   13       Cell 4:dual view SST used 3.7 micron channel
3049   021070   14       Cell 5:dual view SST used 3.7 micron channel
3050   021070   15       Cell 6:dual view SST used 3.7 micron channel
3051   021070   16       Cell 7:dual view SST used 3.7 micron channel
3052   021070   17       Cell 8:dual view SST used 3.7 micron channel
3053   021070   18       Cell 9:dual view SST used 3.7 micron channel
3054   021070   19       Nadir view contains day-time data (night if zero)
3055   021070   20       Forward view contains day-time data (night if zero)
3056   021070   21       Record contains contributions from instrument scans acquired when ERS platform not in yaw-
3057   021070   22       Record contains contributions from instrument scans for which Product Confidence Data show
3058   021070   All 23   Missing value
3059   021072   1        Height error correction applied instead of open loop calibration
3060   021072   2        Microwave sounder used for troposphere correction
3061   021072   3        AGC output correction applied instead of open loop calibration
3062   021072   All 4    Missing value
3063   021073   1        Blank data record
3064   021073   2        Test
3065   021073   3        Calibration (closed loop)
3066   021073   4        BITE
3067   021073   5        Acquisition on ice


                                            Page 59
                                      BC_CodeFlagTable


3068   021073   6        Acquisition on ocean
3069   021073   7        Tracking on ice
3070   021073   8        Tracking on ocean
3071   021073   All 9    Missing value
3072   021076   0        Linear
3073   021076   1        Logarithmic (base e)
3074   021076   2        Logarithmic (base 10)
3075   021076   3-6      Reserved
3076   021076   7        Missing value
3077   021109   1        Not enough good sigma-0 available for wind retrieval
3078   021109   2        Poor azimuth diversity among sigma-0 for wind retrieval
3079   021109   3-7      Reserved
3080   021109   8        Some portion of wind vector cell is over land
3081   021109   9        Some portion of wind vector cell is over ice
3082   021109   10       Wind retrieval not performed for wind vector cell
3083   021109   11       Reported wind speed is greater than 30 m s-1
3084   021109   12       Reported wind speed is less than or equal to 3 m s-1
3085   021109   13-16    Reserved
3086   021109   All 17   Missing value
3087   021115   1        Sigma-0 measurement is not usable
3088   021115   2        Signal to noise ratio is low
3089   021115   3        Sigma-0 is negative
3090   021115   4        Sigma-0 is outside of acceptable range
3091   021115   5        Scattermeter pulse quality is not acceptable
3092   021115   6        Sigma-0 cell location algorithm does not converge
3093   021115   7        Frequency shift lies beyond the range of the x factor table
3094   021115   8        Spacecraft temperature is beyond calibration coefficient range
3095   021115   9        No applicable altitude records were found for this sigma-0
3096   021115   10       Interpolated ephemeris data are not acceptable for this sigma-0
3097   021115   11-16    Reserved
3098   021115   All 17   Missing value
3099   021116   1        Calibration/measurement pulse flag (1)
3100   021116   2        Calibration/measurement pulse flag (2)
3101   021116   3        Outer antenna beam
3102   021116   4        Sigma-0 cell is aft of spacecraft
3103   021116   5        Current mode (1)
3104   021116   6        Current mode (2)
3105   021116   7        Effective gate width - slice resolution (1)
3106   021116   8        Effective gate width - slice resolution (2)
3107   021116   9        Effective gate width - slice resolution (3)
3108   021116   10       Low resolution mode - whole pulse data
3109   021116   11       Scatterometer electronic subsystem B
3110   021116   12       Alternate spin rate - 19.8 rpm
3111   021116   13       Receiver protection on
3112   021116   14       Slices per composite flag (1)
3113   021116   15       Slices per composite flag (2)
3114   021116   16       Slices per composite flag (3)
3115   021116   All 17   Missing value
3116   021119   0        Reserved
3117   021119   1        SASS
3118   021119   2        SASS2
3119   021119   3        NSCAT0


                                            Page 60
                                      BC_CodeFlagTable


3120   021119   4        NSCAT1
3121   021119   5        NSCAT2
3122   021119   6        QSCAT0
3123   021119   7        QSCAT1
3124   021119   8-30     Reserved
3125   021119   31       CMOD1
3126   021119   32       CMOD2
3127   021119   33       CMOD3
3128   021119   34       CMOD4
3129   021119   35       CMOD5
3130   021119   36-62    Reserved
3131   021119   63       Missing value
3132   021144   1        Rain
3133   021144   All 2    Missing value
3134   021150   0        Data from single ground station (no co-location)
3135   021150   1        Data from multiple ground station (co-located data)
3136   021150   2        Reserved
3137   021150   3        Missing value
3138   021155   1        Not enough good sigma-0 available for wind retrieval
3139   021155   2        Poor azimuth diversity among sigma-0 for wind retrieval
3140   021155   3        Any beam noise content above threshold
3141   021155   4        Product monitoring not used
3142   021155   5        Product monitoring flag
3143   021155   6        KNMI quality control fails
3144   021155   7        Variational quality control fails
3145   021155   8        Some portion of wind vector cell is over land
3146   021155   9        Some portion of wind vector cell is over ice
3147   021155   10       Wind retrieval not performed for wind vector cell
3148   021155   11       Reported wind speed is greater than 30 m/s
3149   021155   12       Reported wind speed is less than or equal to 3 m/s
3150   021155   13       Rain flag for the wind vector cell is not usable
3151   021155   14       Rain flag algorithm detects rain
3152   021155   15       No meteorological background used
3153   021155   16       Data are redundant
3154   021155   17-23    Reserved
3155   021155   All 24   Missing value
3156   021158   0        Acceptable
3157   021158   1        Not acceptable
3158   021158   2        Reserved
3159   021158   3        Missing value
3160   021159   0        Good
3161   021159   1        Usable
3162   021159   2        Bad
3163   021159   3        Missing value
3164   021169   0        No ice present
3165   021169   1        Ice present
3166   021169   2        Reserved
3167   021169   3        Missing value
3168   022056   0        Upwards profile
3169   022056   1        Downwards profile
3170   022056   2        Horizontal
3171   022056   3        Missing value


                                            Page 61
                                     BC_CodeFlagTable


3172   022060   0       Drogue is detached
3173   022060   1       Drogue is attached
3174   022060   2       Drogue status unknown
3175   022060   3-6     Reserved
3176   022060   7       Missing value
3177   022061   0       Calm (glassy)                                      0
3178   022061   1       Calm (rippled)                                     0 – 0.1
3179   022061   2       Smooth (wavelets)                                  0.1 – 0.5
3180   022061   3       Slight                                             0.5 – 1.25
3181   022061   4       Moderate                                           1.25 – 2.5
3182   022061   5       Rough                                              2.5 – 4
3183   022061   6       Very rough                                         4–6
3184   022061   7       High                                               6–9
3185   022061   8       Very high                                          9 – 14
3186   022061   9       Phenomenal                                         Over 14
3187   022061   10-14   Reserved
3188   022061   15      Missing value
3189   022120   0       Good data
3190   022120   1       Maximum (high) water level limit exceeded
3191   022120   2       Minimum (low) water level limit exceeded
3192   022120   3       Rate of change limit for water level exceeded
3193   022120   4       Flat limit for water level exceeded
3194   022120   5       Observed minus predicted water level value limit exceeded
3195   022120   6       Observed value from primary water level sensor minus backup water level sensor
3196   022120   7       Value exceeded specified tolerance from expected value
3197   022120   8       Water level QA parameter (sigmas and/or outliers) limits exceeded
3198   022120   9       Sea temperature outside of expected range
3199   022120   10      Multiple QC checks (above) failed
3200   022120   11      No automated water level checks performed
3201   022120   12-30   Reserved
3202   022120   31      Missing value
3203   022121   0       Operational
3204   022121   1       Possible clogging problem or otherwise degraded water level data
3205   022121   2       Possible datum shift
3206   022121   3       Unknown status of water level sensor
3207   022121   4       Suspected or known sea temperature sensor problem
3208   022121   5       Multiple possible problems (above)
3209   022121   6       Bad data DO NOT DISSEMINATE!
3210   022121   7       No manual water level checks performed
3211   022121   8-30    Reserved
3212   022121   31      Missing value
3213   022122   0       Good data from all sensors
3214   022122   1       Wind direction outside of allowable range
3215   022122   2       Wind speed outside of expected range
3216   022122   3       Barometric pressure outside of expected range
3217   022122   4       Air temperature outside of expected range
3218   022122   5       Multiple sensors failed QC checks
3219   022122   6       No automated meteorological data checks performed
3220   022122   7-30    Reserved
3221   022122   31      Missing value
3222   022123   0       Operational
3223   022123   1       Suspected or known problem with wind sensor


                                          Page 62
                                     BC_CodeFlagTable


3224   022123   2       Suspected or known problem with barometric pressure sensor
3225   022123   3       Suspected or known problem with air temperature sensor
3226   022123   4       Unknown status of all sensors
3227   022123   5       Suspected or known problems with multiple sensors
3228   022123   6       Bad data DO NOT DISSEMINATE!
3229   022123   7       No manual meteorological data checks performed
3230   022123   8-30    Reserved
3231   022123   31      Missing value
3232   023001   0       Reserved
3233   023001   1       Articles 1 and 2
3234   023001   2       Article 3
3235   023001   3       Article 5.2
3236   023001   4-6     Reserved
3237   023001   7       Missing value
3238   023002   0       Reserved
3239   023002   1       Nuclear reactor on ground
3240   023002   2       Nuclear reactor at sea
3241   023002   3       Nuclear reactor In space
3242   023002   4       Nuclear fuel facility
3243   023002   5       Radioactive waste management facility
3244   023002   6       Transport of nuclear fuel or radioactive waste
3245   023002   7       Storage of nuclear fuel or radioactive waste
3246   023002   8       Manufacture of radio isotopes
3247   023002   9       Use of radio isotopes
3248   023002   10      Storage of radio isotopes
3249   023002   11      Disposal of radio isotopes
3250   023002   12      Transport of radio isotopes
3251   023002   13      Use of radio isotopes for power generation
3252   023002   14-29   Reserved
3253   023002   30      Other
3254   023002   31      Missing value
3255   023003   0       No release
3256   023003   1       Release to atmosphere
3257   023003   2       Release to water
3258   023003   3       Release to both atmosphere and water
3259   023003   4       Expected release to atmosphere
3260   023003   5       Expected release to water
3261   023003   6       Expected release to both atmosphere and water
3262   023003   7       Missing value
3263   023004   0       No countermeasures
3264   023004   1       Evacuation
3265   023004   2       Sheltering
3266   023004   3       Prophylaxis
3267   023004   4       Water
3268   023004   5-6     Reserved
3269   023004   7       Missing value
3270   023005   0       Incident State does not understand what happened
3271   023005   1       Incident State knows the cause of the incident
3272   023005   2       Reserved
3273   023005   3       Missing value
3274   023006   0       No improvement
3275   023006   1       Unstable


                                          Page 63
                                     BC_CodeFlagTable


3276   023006   2      No deterioration
3277   023006   3      Improving
3278   023006   4      Stable
3279   023006   5      Deteriorating
3280   023006   6      Reserved
3281   023006   7      Missing value
3282   023007   0      No release
3283   023007   1      Release has stopped
3284   023007   2      Release
3285   023007   3      Release is continuing
3286   023007   4-6    Reserved
3287   023007   7      Missing value
3288   023008   0      Gaseous
3289   023008   1      Particulate
3290   023008   2      Mixture of gaseous and particulate
3291   023008   3      Missing value
3292   023009   0      Gaseous
3293   023009   1      Particulate
3294   023009   2      Mixture of gaseous and particulate
3295   023009   3      Missing value
3296   023016   0      No significant chemical toxic health effect
3297   023016   1      Significant chemical toxic health effect possible
3298   023016   2      Reserved
3299   023016   3      Missing value
3300   023018   0      Release no longer occurring
3301   023018   1      Release still occurring
3302   023018   2      Release expected to increase in next 6 hours
3303   023018   3      Release expected to remain constant in next 6 hours
3304   023018   4      Release expected to decrease in next 6 hours
3305   023018   5-6    Reserved
3306   023018   7      Missing value
3307   023031   0      Plume will not encounter rain in incident State
3308   023031   1      Plume will encounter rain in incident State
3309   023031   2      Reserved
3310   023031   3      Missing value
3311   023032   0      No significant change expected within the next 6 hours
3312   023032   1      Anticipated significant change expected within the next 6 hours
3313   023032   2      Reserved
3314   023032   3      Missing value
3315   024003   0      Noble gases
3316   024003   1      Iodides
3317   024003   2      Caesiums
3318   024003   3      Transuranics
3319   024003   4-30   Reserved
3320   024003   31     Missing value
3321   025004   0      Incoherent
3322   025004   1      Coherent (Doppler)
3323   025004   2      Reserved
3324   025004   3      Missing value
3325   025005   0      Logarithm 2.5dB
3326   025005   1      Linear
3327   025005   2      Special


                                          Page 64
                                       BC_CodeFlagTable


3328   025005   3       Missing value
3329   025006   0       ZH to R conversion
3330   025006   1       (ZH, ZDR) to (NO, DO) to R
3331   025006   2       (Z (Fl), Z (F2)) to attenuation to R
3332   025006   3-5     Reserved
3333   025006   6       Other
3334   025006   7       Missing value
3335   025009   1       None
3336   025009   2       Calibration target or signal
3337   025009   3       Against rain gauges
3338   025009   4       Against other Instruments (distrometer attenuation)
3339   025009   All 4   Missing value
3340   025010   0       None
3341   025010   1       Map
3342   025010   2       Insertion of higher elevation data and map
3343   025010   3       Analysis of the fluctuating Logarithm signal (clutter detection)
3344   025010   4       Extraction of the fluctuating part of linear signal (clutter suppression)
3345   025010   5       Clutter suppression Doppler
3346   025010   6       Multi parameter analysis
3347   025010   7-14    Reserved
3348   025010   15      Missing value
3349   025011   0       None
3350   025011   1       Map of correction factors
3351   025011   2       Interpolation (azimuth or elevation)
3352   025011   3       Missing value
3353   025012   0       Hardware
3354   025012   1       Software
3355   025012   2       Hardware and software
3356   025012   3       Missing value
3357   025013   1       Brightband correction
3358   025013   all 2   Missing value
3359   025015   1       Radome Attenuation Correction
3360   025015   All 2   Missing value
3361   025017   1       Precipitation attenuation correction
3362   025017   All 2   Missing value
3363   025020   0       FFT (fast Fourier transform)
3364   025020   1       PP (pulse pair processing)
3365   025020   2       VPC (vector phase change)
3366   025020   3       Missing value
3367   025021   1       Simple average
3368   025021   2       Consensus average
3369   025021   3       Median check
3370   025021   4       Vertical consistency check
3371   025021   5       Other
3372   025021   6-7     Reserved
3373   025021   All 8   Missing value
3374   025022   1       Unprocessed
3375   025022   2       Land suspected.
3376   025022   3       Wind speed too large
3377   025022   4       Ice detected.
3378   025022   5       Rain detected (Microwave retrievals only)
3379   025022   6       Cloudy detected (Infra-red retrievals only)


                                             Page 65
                                      BC_CodeFlagTable


3380   025022   7       Cosmetic value
3381   025022   8       SST out of range
3382   025022   All 9   Missing value
3383   025023   1       Default confidence value has been used
3384   025023   2       Default bias and standard deviation has been used
3385   025023   3       Sun glint suspected
3386   025023   4       Sea ice retrieval for microwave data
3387   025023   5       High wind speed retrieval
3388   025023   6       Inaccurate SST due to low SST (< 285K) (Only applies to the TMI instrument)
3389   025023   7       Relaxed rain contamination suspected
3390   025023   8       Potential side lobe contamination
3391   025023   All 9   Missing value
3392   025024   0       Unprocessed infrared retrieval
3393   025024   1       Cloudy retrievals
3394   025024   2       Bad: Data that are probably contaminated by cloud
3395   025024   3       Suspect data
3396   025024   4       Acceptable data
3397   025024   5       Excellent data
3398   025024   6       Cool skin suspected
3399   025024   7-9     Reserved
3400   025024   10      Unprocessed microwave retrieval
3401   025024   11      Questionable microwave retrieval that may be contaminated
3402   025024   12      Acceptable microwave retrieval
3403   025024   13      High probability of diurnal variability
3404   025024   14      Reserved
3405   025024   15      Missing value
3406   025029   1       Reserved
3407   025029   2       Calibration target or signal
3408   025029   3       Against raingauges
3409   025029   4       Against other instruments (distrometer – atenuation)
3410   025029   5       Reserved
3411   025029   All 6   Missing value
3412   025030   0       Running mean sea-surface temperature not used because usage criteria not met
3413   025030   1       Running mean sea-surface temperature not used because data not available
3414   025030   2       Running mean sea-surface temperature used as predictor
3415   025030   3       Missing value
3416   025032   0       Reserved
3417   025032   1       Data from low mode
3418   025032   2       Data from high mode
3419   025032   3       Missing value
3420   025033   0       Wind Profiler operating in Submode A
3421   025033   1       Wind Profiler operating in Submode B
3422   025033   2       Reserved
3423   025033   3       Missing value
3424   025034   1       Test A performed and failed
3425   025034   2       Test B performed and failed
3426   025034   3       Test results inconclusive
3427   025034   All 4   Missing value
3428   025036   0       Network of several direction-finders operating on the same individual atmospherics
3429   025036   1       Network of several arrival-time stations operating on the same individual atmospherics
3430   025036   2-5     Reserved
3431   025036   6       Single station range bearing technique


                                           Page 66
                                        BC_CodeFlagTable


3432   025036   7-14     Reserved
3433   025036   15       Missing value
3434   025040   0        Non-specific mode
3435   025040   1        First guess data
3436   025040   2        Cloud data
3437   025040   3        Average vector data
3438   025040   4        Primary data
3439   025040   5        Guess data
3440   025040   6        Vector data
3441   025040   7        Tracer data;this image
3442   025040   8        Tracer data to next image
3443   025040   9-14     Reserved
3444   025040   15       Missing value
3445   025041   0        Direction originally reported in true degrees
3446   025041   1        Direction originally reported using Code Table 0700, FM13
3447   025041   2        Reserved
3448   025041   3        Missing value
3449   025042   0        Speed originally reported in metres per second
3450   025042   1        Speed originally reported using Code Table 4451, FM13
3451   025042   2        Reserved
3452   025042   3        Missing value
3453   025045   1-20     Beginning with first bit position (high order bit), if bit position is set to 1, then channel is presen
3454   025045   All 21   Missing value
3455   025046   1-4      Beginning with first bit position (high order bit), if bit position is set to 1, then channel is presen
3456   025046   All 5    Missing value
3457   025047   1-3      Beginning with first bit position (high order bit); if bit position is set to 1, then channel is presen
3458   025047   All 4    Missing value
3459   025048   1-15     Beginning with first bit position (high order bit), if bit position is set to 1, then channel is presen
3460   025048   All 16   Missing value
3461   025049   1-5      Beginning with first bit position (high order bit), if bit position is set to 1, then channel is presen
3462   025049   All 6    Missing value
3463   025051   1-6      Beginning with first bit position (high order bit), if bit position is set to 1, then channel is presen
3464   025051   All 7    Missing value
3465   025053   1        Good
3466   025053   2        Redundant
3467   025053   3        Questionable
3468   025053   4        Bad
3469   025053   5        Experimental
3470   025053   6        Precipitating
3471   025053   7-11     Reserved
3472   025053   All 12   Missing value
3473   025069   1        Smoothed
3474   025069   2        Baseline adjusted
3475   025069   3        Normalized time interval
3476   025069   4        Outlier checked
3477   025069   5        Plausibility checked
3478   025069   6        Consistency checked
3479   025069   7        Interpolated
3480   025069   All 8    Missing value
3481   025086   0        Depths are not corrected
3482   025086   1        Depths are corrected
3483   025086   2        Reserved


                                              Page 67
                                            BC_CodeFlagTable


3484   025086   3            Missing value
3485   025090   0            Orbit computed during a manoeuvre
3486   025090   1            Adjusted mission operations orbit
3487   025090   2            Extrapolated mission operations orbit
3488   025090   3            Adjusted (preliminary/precise) orbit
3489   025090   4            (preliminary/precise) orbit is estimated during a manoeuvre period
3490   025090   5            (preliminary/precise) orbit is interpolated over a tracking data gap
3491   025090   6            (preliminary/precise) orbit is extrapolated for a duration less than 1 day
3492   025090   7            (preliminary/precise) orbit is extrapolated for a duration that ranges from 1 day to 2 days
3493   025090   8            (preliminary/precise) orbit is extrapolated for a duration larger than 2 days, or that the orbit is e
3494   025090   9            DORIS† DIODE‡ navigator orbit
3495   025090   10-14        Reserved
3496   025090   15           Missing value
3497   025093   1            No correction
3498   025093   2            Vertical velocity correction
3499   025093   3-6          Reserved
3500   025093   7            All corrections
3501   025093   All 8        Missing value
3502   025095   1            Altimeter operating (set to 0 if nominal, set to 1 if backup)
3503   025095   All 2        Missing value
3504   025096   1            Mode indicator (0 if Mode 2, 1 if Mode 1)
3505   025096   2            Mode 1 Calibration sequence indicator (0 if normal data taking either Mode 1 or 2, 1 if Mode 1
3506   025096   3            Channel 2 (0 if on, 1 if off)
3507   025096   4            Channel 3 (0 if on, 1 if off)
3508   025096   All 5        Missing value
3509   025097   0            Ranges between 0 and 30 cm
3510   025097   1            Ranges between 30 and 60 cm
3511   025097   2            Ranges between 60 and 90 cm
3512   025097   3            Ranges between 90 and 120 cm
3513   025097   4            Ranges between 120 and 150 cm
3514   025097   5            Ranges between 150 and 180 cm
3515   025097   6            Ranges between 180 and 210 cm
3516   025097   7            Ranges between 210 and 240 cm
3517   025097   8            Ranges between 240 and 270 cm
3518   025097   9            Ranges larger than 270 cm
3519   025097   10-14        Reserved
3520   025097   15           Missing value
3521   025098   1            Ku band range
3522   025098   2            C band range
3523   025098   3            Ku band SWH*
3524   025098   4            C band SWH*
3525   025098   5            Ku band backscatter coefficient
3526   025098   6            C band backscatter coefficient
3527   025098   7            Off nadir angle from Ku band waveform parameters
3528   025098   8            Off nadir angle from platform
3529   025098   All 9 bits   Missing value
3530   025099   1            Ku band range instrumental correction
3531   025099   2            C band range instrumental correction
3532   025099   3            Ku band SWH* instrumental correction
3533   025099   4            C band SWH* instrumental correction
3534   025099   5            Ku band backscatter coefficient instrumental correction
3535   025099   6            C band backscatter coefficient instrumental correction


                                                  Page 68
                                          BC_CodeFlagTable


3536   025099   7-8          Reserved
3537   025099   All 9 bits   Missing value
3538   025110   1            Raw data analysis used for raw data correction. Correction done using default parameters
3539   025110   2            Raw data analysis used for raw data correction. Correction done using raw data analysis resu
3540   025110   3            Antenna elevation pattern correction applied
3541   025110   4            Nominal chirp replica used
3542   025110   5            Reconstructed chirp used
3543   025110   6            Slant range to ground range conversion applied
3544   025110   7-9          Reserved
3545   025110   All 10       Missing value
3546   025120   0            Percentage of DSRs free of processing errors during Level 2 processing is greater than the ac
3547   025120   1            Percentage of DSRs free of processing errors during Level 2 processing is less than the accep
3548   025120   2            Reserved
3549   025120   3            Missing value
3550   025122   0            Hardware configuration for RF is A
3551   025122   1            Hardware configuration for RF is B
3552   025122   2            Reserved
3553   025122   3            Missing value
3554   025123   0            Hardware configuration for HPA is A
3555   025123   1            Hardware configuration for HPA is B
3556   025123   2            Reserved
3557   025123   3            Missing value
3558   025124   0            Percentage of DSRs free of processing errors during Level 2 processing is greater than the ac
3559   025124   1            Percentage of DSRs free of processing errors during Level 2 processing is less than the accep
3560   025124   2            Reserved
3561   025124   3            Missing value
3562   025150   1            The Dvorak’s VIS (VISual imagery) intensity analysis
3563   025150   2            The Dvorak’s EIR (Enhanced InfraRed imagery) intensity analysis
3564   025150   3-14         Reserved
3565   025150   15           Missing value
3566   025174   1            Pixel is affected by RFI effects
3567   025174   2            Pixel is located in the hexagonal Alias direction centred on Sun alias
3568   025174   3            Pixel is close to the border delimiting the extended Alias free zone
3569   025174   4            Pixel is inside the extended Alias free zone
3570   025174   5            Pixel is inside the exclusive of Alias free zone
3571   025174   6            Pixel is located in a zone where a Moon Alias was reconstructed
3572   025174   7            Pixel is located in a zone where Sun reflection has been detected
3573   025174   8            Pixel is located in a zone where Sun Alias was reconstructed
3574   025174   9            Flat target transformation has been performed during image reconstruction of this pixel
3575   025174   10           Scene has been combined with an adjustment scene in opposite polarisation during image rec
3576   025174   11           Direct Moon correction has been performed during image reconstruction of this pixel
3577   025174   12           Reflected Sun correction has been performed during image reconstruction of this pixel
3578   025174   13           Direct Sun correction has been performed during image reconstruction of this image
3579   025174   All 14       Missing value
3580   026010   1            0100 included
3581   026010   2            0200 included
3582   026010   3            0300 included
3583   026010   4            0400 included
3584   026010   5            0500 included
3585   026010   6            0600 included
3586   026010   7            0700 included
3587   026010   8            0800 included


                                                Page 69
                                      BC_CodeFlagTable


3588   026010   9        0900 included
3589   026010   10       1000 included
3590   026010   11       1100 included
3591   026010   12       1200 included
3592   026010   13       1300 included
3593   026010   14       1400 included
3594   026010   15       1500 included
3595   026010   16       1600 included
3596   026010   17       1700 included
3597   026010   18       1800 included
3598   026010   19       1900 included
3599   026010   20       2000 included
3600   026010   21       2100 included
3601   026010   22       2200 included
3602   026010   23       2300 included
3603   026010   24       2400 included
3604   026010   25       Unknown mixture of hours
3605   026010   All 26   Missing value
3606   029001   0        Gnomonic projection
3607   029001   1        Polar stereographic projection
3608   029001   2        Lambert's conformal conic projection
3609   029001   3        Mercator's projection
3610   029001   4        Scanning Cone (radar)*
3611   029001   5-6      Reserved
3612   029001   7        Missing value
3613   029002   0        Cartesian
3614   029002   1        Polar
3615   029002   2        Other
3616   029002   3-6      Reserved
3617   029002   7        Missing value
3618   030031   0        PPI
3619   030031   1        Composite
3620   030031   2        CAPPl
3621   030031   3        Vertical section
3622   030031   4        Alphanumeric data
3623   030031   5        Map of subject clutter
3624   030031   6        Map
3625   030031   7        Test picture
3626   030031   8        Comments
3627   030031   9        Map of ground occultation
3628   030031   10       Map of radar beam height
3629   030031   11-13    Reserved
3630   030031   14       Other
3631   030031   15       Missing value
3632   030032   1        Map
3633   030032   2        Satellite IR
3634   030032   3        Satellite VIS
3635   030032   4        Satellite WV
3636   030032   5        Satellite multispectral
3637   030032   6        Synoptic observations
3638   030032   7        Forecast parameters
3639   030032   8        Lightning data


                                            Page 70
                                       BC_CodeFlagTable


3640   030032   9-14     Reserved
3641   030032   15       Other data
3642   030032   All 16   Missing value
3643   031021   0        Reserved
3644   031021   1        1 bit indicator of quality                             0 = good1 = suspect or bad
3645   031021   2        2 bit indicator of quality                             0 = good1 = slightly suspect2 = highly susp
3646   031021   3-5      Reserved
3647   031021   6                                                               0 = Unqualified1 = Correct value (all check
                         4-bit indicator of quality control class according to GTSPP
3648   031021   7        Percentage confidence
3649   031021   8-20     Reserved
3650   031021   21       1 bit indicator of correction (see Note (2))           0 = original value1 = substituted/corrected v
3651   031021   22-62    Reserved for local use
3652   031021   63       Missing value
3653   031031   1        0 Data present1 Data not present
3654   033002   0        Data not suspect
3655   033002   1        Data suspect
3656   033002   2        Reserved
3657   033002   3        Quality information not given
3658   033003   0        Data not suspect
3659   033003   1        Data slightly suspect
3660   033003   2        Data highly suspect
3661   033003   3        Data considered unfit for use
3662   033003   4-6      Reserved
3663   033003   7        Quality information not given
3664   033005   1        No automated meteorological data checks performed
3665   033005   2        Pressure data suspect
3666   033005   3        Wind data suspect
3667   033005   4        Dry-bulb temperature data suspect
3668   033005   5        Wet-bulb temperature data suspect
3669   033005   6        Humidity data suspect
3670   033005   7        Ground temperature data suspect
3671   033005   8        Soil temperature (depth 1) data suspect
3672   033005   9        Soil temperature (depth 2) data suspect
3673   033005   10       Soil temperature (depth 3) data suspect
3674   033005   11       Soil temperature (depth 4) data suspect
3675   033005   12       Soil temperature (depth 5) data suspect
3676   033005   13       Cloud data suspect
3677   033005   14       Visibility data suspect
3678   033005   15       Present weather data suspect
3679   033005   16       Lightning data suspect
3680   033005   17       Ice deposit data suspect
3681   033005   18       Precipitation data suspect
3682   033005   19       State of ground data suspect
3683   033005   20       Snow data suspect
3684   033005   21       Water content data suspect
3685   033005   22       Evaporation/evapotranspiration data suspect
3686   033005   23       Sunshine data suspect
3687   033005   24-29    Reserved
3688   033005   All 30   Missing value
3689   033006   0        Self-check OK
3690   033006   1        At least one Warning active, no Alarms
3691   033006   2        At least one Alarm active


                                             Page 71
                                      BC_CodeFlagTable


3692   033006   3       Sensor failure
3693   033006   4-6     Reserved
3694   033006   7       Missing value
3695   033015   0       Passed all checks
3696   033015   1       Missing-data check
3697   033015   2       Descending/reascending balloon check
3698   033015   3       Data plausibility check (above limits)
3699   033015   4       Data plausibility check (below limits)
3700   033015   5       Superadiabatic lapse rate check
3701   033015   6       Limiting angles check
3702   033015   7       Ascension rate check
3703   033015   8       Excessive change from previous flight
3704   033015   9       Balloon overhead check
3705   033015   10      Wind speed check
3706   033015   11      Wind direction check
3707   033015   12      Dependency check
3708   033015   13      Data valid but modified
3709   033015   14      Data outlier check
3710   033015   15-62   Reserved
3711   033015   63      Missing value
3712   033020   0       Good
3713   033020   1       Inconsistent
3714   033020   2       Doubtful
3715   033020   3       Wrong
3716   033020   4       Not checked
3717   033020   5       Has been changed
3718   033020   6       Estimated
3719   033020   7       Missing value
3720   033021   0       Within limits
3721   033021   1       Outside limits
3722   033021   2       Reserved
3723   033021   3       Missing value
3724   033022   0       Good (several identical reports have been received)
3725   033022   1       Dubious (no identical reports have been received)
3726   033022   2       Reserved
3727   033022   3       Missing value
3728   033023   0       Reliable (location was made over two satellite passes)
3729   033023   1       Latest known (no location over the corresponding pass)
3730   033023   2       Dubious (location made over one pass only; a second solution is possible in 5 per cent of the c
3731   033023   3       Missing value
3732   033024   0       Reserved
3733   033024   1       Excellent - within 3 meters
3734   033024   2       Good - within 10 meters
3735   033024   3       Fair - within 20 meters
3736   033024   4       Poor - more than 20 meters
3737   033024   5       Excellent - within 10 feet
3738   033024   6       Good - within 30 feet
3739   033024   7       Fair - within 60 feet
3740   033024   8       Poor - more than 60 feet
3741   033024   9-14    Reserved
3742   033024   15      Missing value
3743   033025   0       Time interpolated, latitude and longitude reported


                                           Page 72
                                       BC_CodeFlagTable


3744   033025   1        Time reported, latitude and longitude interpolated
3745   033025   2        Time, latitude, and longitude interpolated
3746   033025   3        Time, latitude, and longitude reported
3747   033025   4-6      Reserved
3748   033025   7        Missing value
3749   033026   0        Normal operations measurement mode
3750   033026   1        Normal operations non-measurement mode
3751   033026   2        Small RH
3752   033026   3        Humidity element is wet
3753   033026   4        Humidity element contaminated
3754   033026   5        Heater fail
3755   033026   6        Heater fail and wet/contaminated humidity element
3756   033026   7        At least one of the input parameters used in the calculation of mixing ratio is invalid
3757   033026   8        Numeric error
3758   033026   9        Sensor not installed
3759   033026   10-62    Reserved
3760   033026   63       Missing value
3761   033027   0        Radius > 1500 m
3762   033027   1        500 m < Radius <1500 m
3763   033027   2        250 m < Radius < 500 m
3764   033027   3        Radius < 250 m
3765   033027   4-6      Reserved
3766   033027   7        Missing value
3767   033028   1        Nominal
3768   033028   2        Degraded by SW error; any error reported by the algorithms
3769   033028   3        Degraded by instrument error
3770   033028   4        Degraded by corrupted /missing ADF
3771   033028   5-6      Reserved
3772   033028   7        Missing value
3773   033030   1        Do not use scan for product generation
3774   033030   2        Time sequence error detected with this scan
3775   033030   3        Data gap precedes this scan
3776   033030   4        No calibration
3777   033030   5        No earth location
3778   033030   6        First good time following a clock update
3779   033030   7        Instrument status changed with this scan
3780   033030   8-23     Reserved
3781   033030   All 24   Missing value
3782   033031   1        Time field is bad but can probably be inferred from the previous good time
3783   033031   2        Time field is bad and can't be inferred from the previous good time
3784   033031   3        This record starts a sequence that is inconsistent with previous times (i.e. there is a time disco
3785   033031   4        Start of a sequence that apparently repeats scan times that have been previously accepted
3786   033031   5        Scan line was not calibrated because of bad time
3787   033031   6        Scan line was calibrated using fewer than the preferred number of scan lines because of proxi
3788   033031   7        Scan line was not calibrated because of bad or insufficient PRT data
3789   033031   8        Scan line was calibrated but with marginal PRT data
3790   033031   9        Some uncalibrated channels on this scan
3791   033031   10       Uncalibrated due to instrument mode
3792   033031   11       Questionable calibration because of antenna position error of space view
3793   033031   12       Questionable calibration because of antenna position error of black body
3794   033031   13       Not earth located because of bad time
3795   033031   14       Earth location questionable because of questionable time code (see time problem code bits)


                                             Page 73
                                       BC_CodeFlagTable


3796   033031   15       Earth location questionable only marginal agreement with reasonableness check
3797   033031   16       Earth location questionable fails reasonableness check
3798   033031   17       Earth location questionable because of antenna position check
3799   033031   18       Scan line calibration cold black body
3800   033031   19       Scan line calibration warm black body
3801   033031   20       Scan line calibration space view
3802   033031   21       Earth view
3803   033031   22-23    Reserved
3804   033031   All 24   Missing value
3805   033032   1        No good blackbody counts for scan line
3806   033032   2        No good space view counts for this line
3807   033032   3        No good PRTs for this line
3808   033032   4        Some bad blackbody view counts for this line
3809   033032   5        Some bad space view counts for this line
3810   033032   6        Some bad PRT temps on this line
3811   033032   7-23     Reserved (bits set to zero)
3812   033032   All 24   Missing value
3813   033033   1        Set if secondary calibration used
3814   033033   2-21     Bit n set to 1 if brightness temperature in channel n 1 is physically unreasonable or has not bee
3815   033033   22       Set if all the channels are missing
3816   033033   23       Suspect
3817   033033   All 24   Missing value
3818   033035   0        Automatic quality control passed and not manually checked
3819   033035   1        Automatic quality control passed and manually checked and passed
3820   033035   2        Automatic quality control passed and manually checked and deleted
3821   033035   3        Automatic quality control failed and manually not checked
3822   033035   4        Automatic quality control failed and manually checked and failed
3823   033035   5        Automatic quality control failed and manually checked and re-inserted
3824   033035   6        Automatic quality control flagged data as questionable and not manually checked
3825   033035   7        Automatic quality control flagged data as questionable and manually checked and failed
3826   033035   8        Manually checked and failed
3827   033035   9-14     Reserved
3828   033035   15       Missing value
3829   033037   1        U departure from guess
3830   033037   2        V departure from guess
3831   033037   3        U & V departure from guess
3832   033037   4        U acceleration
3833   033037   5        V acceleration
3834   033037   6        U & V acceleration
3835   033037   7        Possible land feature
3836   033037   8        U acceleration and possible land feature
3837   033037   9        V acceleration and possible land feature
3838   033037   10       U & V acceleration and possible land feature
3839   033037   11       Bad wind guess
3840   033037   12       Correlation failure
3841   033037   13       Search box off edge of area
3842   033037   14       Target box off edge of area
3843   033037   15       Pixel brightness out of bounds (noisy line)
3844   033037   16       Target outside of lat/long box
3845   033037   17       Target outside of pressure min/max
3846   033037   18       Autoeditor flagged slow vector
3847   033037   19       Autoeditor flagged vectors


                                             Page 74
                                       BC_CodeFlagTable


3848   033037   All 20   Missing value
3849   033038   1        Total Zenith Delay quality is considered poor
3850   033038   2        GALILEO satellites used
3851   033038   3        GLONASS satellites used
3852   033038   4        GPS satellites used
3853   033038   5        Meteorological data applied
3854   033038   6        Atmospheric loading correction applied
3855   033038   7        Ocean tide loading applied
3856   033038   8        Climate quality data processing
3857   033038   9        Near-real time data processing
3858   033038   All 10   Missing value
3859   033039   1        Non-nominal quality
3860   033039   2        Offline product
3861   033039   3        Ascending occultation flag
3862   033039   4        Excess Phase processing non-nominal
3863   033039   5        Bending Angle processing non-nominal
3864   033039   6        Refractivity processing non-nominal
3865   033039   7        Meteorological processing non-nominal
3866   033039   8-13     Reserved
3867   033039   14       Background profile non-nominal
3868   033039   15       Background (i.e. not retrieved) profile present
3869   033039   All 16   Missing value
3870   033041   0        The following value is the true value
3871   033041   1        The following value is higher than the true value (the measurement hit the lower limit of the ins
3872   033041   2        The following value is lower than the true value (the measurement hit the higher limit of the ins
3873   033041   3        Missing value
3874   033042   0        Exclusive lower limit (>)
3875   033042   1        Inclusive lower limit (>=)
3876   033042   2        Exclusive upper limit (<)
3877   033042   3        Inclusive upper limit (=<)
3878   033042   4-6      Reserved
3879   033042   7        Missing value
3880   033043   1        Sea MDS. Nadir only SST retrieval used 3.7 Micron channel. Land MDS reserved
3881   033043   2        Sea MDS. Dual view SST retrieval used 3.7 Micron channel. Land MDS reserved.
3882   033043   3        Nadir view contains day time data
3883   033043   4        Forward view contains day time data
3884   033043   5-7      Reserved
3885   033043   All 8    Missing value
3886   033044   1        Input data mean outside nominal range flag
3887   033044   2        Input data standard deviation outside nominal range flag
3888   033044   3        Number of input data gaps > threshold value
3889   033044   4        Percentage of missing lines > threshold value
3890   033044   5        Doppler centroid uncertain. Confidence measure < specific value
3891   033044   6        Doppler ambiguity estimate uncertain. Confidence measure < specific value
3892   033044   7        Output data mean outside nominal range flag
3893   033044   8        Output data standard deviation outside nominal range flag
3894   033044   9        Chirp reconstruction failed or is of low quality flag
3895   033044   10       Data set missing
3896   033044   11       Invalid downlink parameters
3897   033044   12       Azimuth cut-off iteration count. The azimuth cut-off fit did not converge within a minimum num
3898   033044   13       Azimuth cut-off fit did not converge within a minimum number of iterations
3899   033044   14       Phase information confidence measure. The imaginary spectral peak is less than a minimum


                                             Page 75
                                       BC_CodeFlagTable


3900   033044   All 15   Missing value
3901   033047   1        Error detected and attempts to recover made
3902   033047   2        Anomaly in on-board data handling (OBDH) value detected
3903   033047   3        Anomaly in Ultra Stable Oscillator Processing (USOP) value detected
3904   033047   4        Errors detected by on-board computer
3905   033047   5        Automatic gain control (AGC) out of range
3906   033047   6        Rx delay fault. Rx distance out of range
3907   033047   7        Wave form samples fault identifier. Error
3908   033047   8        S-band anomaly error detected
3909   033047   9-11     Reserved
3910   033047   12       Brightness temperature (channel 1) out of range
3911   033047   13       Brightness temperature (channel 2) out of range
3912   033047   14       Reserved
3913   033047   15       Ku Ocean retracking error
3914   033047   16       S Ocean retracking error
3915   033047   17       Ku Ice 1 retracking error
3916   033047   18       S Ice 1 retracking error
3917   033047   19       Ku Ice 2 retracking error
3918   033047   20       S Ice 2 retracking error
3919   033047   21       Ku Sea Ice retracking error
3920   033047   22       Arithmetic fault error
3921   033047   23       Meteo data state. No map
3922   033047   24       Meteo data state. 1 map
3923   033047   25       Meteo data state 2 maps degraded
3924   033047   26       Meteo data state 2 maps nominal
3925   033047   27       Orbit propagator status for propagation mode, several errors
3926   033047   28       Orbit propagator status for propagation mode, warning detected
3927   033047   29       Orbit propagator status for initialisation mode, several errors
3928   033047   30       Orbit propagator status for initialisation mode, warning detected
3929   033047   All 31   Missing value
3930   033048   0        Inversion successful
3931   033048   1        Inversion not successful
3932   033048   2        Reserved
3933   033048   3        Missing value
3934   033049   0        External wind direction used during inversion
3935   033049   1        External wind direction not used during inversion
3936   033049   2        Reserved
3937   033049   3        Missing value
3938   033050   0        Unqualified
3939   033050   1        Correct value (all checks passed)
3940   033050   2        Probably good but value inconsistent with statistics (differ from climatology)
3941   033050   3        Probably bad (spike, gradient, … if other tests passed)
3942   033050   4        Bad value, Impossible value (out of scale, vertical instability, constant profile)
3943   033050   5        Value modified during quality control
3944   033050   6-7      Reserved
3945   033050   8        Interpolated value
3946   033050   9-14     Reserved
3947   033050   15       Missing value
3948   033052   1-20     First 20 least significant bits correspond to the 20 values (one per data block containing: 0=val
3949   033052   All 21   Missing value
3950   033053   1-20     First 20 least significant bits correspond to the 20 values (one per data block containing: 0=val
3951   033053   All 21   Missing value


                                             Page 76
                                       BC_CodeFlagTable


3952   033060   0         Good
3953   033060   1         Bad
3954   033060   2         Reserved
3955   033060   3         Missing value
3956   033070   0         Good retrieval
3957   033070   1         Bad aerosol information flag or NOAA-16 radiance anomaly
3958   033070   2         Solar zenith angle greater than 84 degrees
3959   033070   3         380nm residue greater than limit
3960   033070   4         Ozone inconsistency
3961   033070   5         Difference between profile ozone and step 3 total ozone exceeds threshold (set to 25 DU)
3962   033070   6         Step 1 ozone iteration did not converge
3963   033070   7         Any channel residue greater than 16 or bad radiance
3964   033070   6-14      Reserved
3965   033070   15        Missing value
3966   033071   0         Good retrieval
3967   033071   1         Solar zenith angle greater than 84 degrees
3968   033071   2         Difference between step 3 and profile total ozone greater than limit (25 DU)
3969   033071   3         Average final residue for wavelengths used in retrieval greater than threshold
3970   033071   4         Final residue greater than 3 times a priori error
3971   033071   5         Difference between retrieved and a priori greater than 3 times a priori error
3972   033071   6         Non-convergent solution
3973   033071   7         Upper level profile anomaly or stray light anomaly
3974   033071   8         Initial residue greater than 18.0 N-value units
3975   033071   7-14      Reserved
3976   033071   15        Missing value
3977   033072   0         Good retrieval
3978   033072   1         Reflectivity out of range
3979   033072   2         Larger Pixels (Number of cross-track pixels less than 32) or backward scans Error
3980   033072   3         Solar zenith angle greater than 88
3981   033072   4         Latitude/longitude out of range
3982   033072   5         Viewing zenith angle or solar zenith angle out of range
3983   033072   6         Step-one process failed in general
3984   033072   7         First guess ozone out of range
3985   033072   8         Too many iterations (exceed 8)
3986   033072   9         Step-one residue calculation failed
3987   033072   10        Step-two process failed in general
3988   033072   11        First guess ozone profile out of range
3989   033072   12        Step-two ozone value out of range
3990   033072   13        Step-two residue calculation failed
3991   033072   14        Step-three process failed in general
3992   033072   15        Polarization Correction Accuracy Alert
3993   033072   16        Radiance or irradiance less or equal to zero
3994   033072   17-30     Reserved
3995   033072   31        Missing value
3996   035000   000-099   International FM Codes
3997   035000   100-199   RA I Codes
3998   035000   200-299   RA II Codes
3999   035000   300-399   RA III Codes
4000   035000   400-499   RA IV Codes
4001   035000   500-599   RA V Codes
4002   035000   600-699   RA VI Codes
4003   035000   700-799   Antarctic Codes


                                             Page 77
                                         BC_CodeFlagTable


4004   035000   800-999     Reserved
4005   035000   1000-1022   Not used
4006   035000   1023        Missing value
4007   035001   0           Real time
4008   035001   1           Near-real time
4009   035001   2           Non-real time
4010   035001   3           Reserved
4011   035001   4           Reserved
4012   035001   5           Reserved
4013   035001   6           Reserved
4014   035001   7           Missing value
4015   035030   0           No discrepancies
4016   035030   1           Non-compliance with standard and recommended practices and procedures including those of
4017   035030   2           Catalogues of meteorological bulletins not updated in a timely manner
4018   035030   3           Incorrect routeing directories
4019   035030   4           Lack of flexibility in the routeing arrangements
4020   035030   5           Deficiencies in the operation of GTS centres and circuits
4021   035030   6           Loss of data or delays in relaying data on the GTS
4022   035030   7           Routeing of data different from the routeing provided in the plan
4023   035030   8           Various malpractices
4024   035030   9-14        Reserved
4025   035030   15          Missing value
4026   035031   1           Sufficient and all of acceptable quality
4027   035031   2           Sufficient but partly of acceptable quality
4028   035031   3           Insufficient but all of acceptable quality
4029   035031   4           Insufficient and of unacceptable quality
4030   035031   5           Some messages not complete
4031   035031   6           Suspect or wrongly coded groups could not be interpreted confidently
4032   035031   7           Gross coding errors
4033   035031   8           Transmission sequential order not observed
4034   035031   9           Report completely garbled and thus discarded
4035   035031   10          Deficiencies identified and rectified
4036   035031   11          Deficiencies identified but not rectified
4037   035031   12          Deficiencies not identified
4038   035031   13          Measuring errors
4039   035031   14          Mutual inconsistency
4040   035031   15          Temporal inconsistency
4041   035031   16          Forecast error
4042   035031   17          Bias
4043   035031   18          Improve system of quality control
4044   035031   19          Expand training programmes
4045   035031   20-98       Reserved
4046   035031   99-122      Not used
4047   035031   123         Missing value
4048   035032   1           Data groups missing due to radio fading
4049   035032   2           Data groups missing due to outage of centre
4050   035032   3           Data groups missing due to outage of circuit
4051   035032   4           Non-implementation or maintenance of required RBSN density
4052   035032   5           Shortage of qualified staff to man stations
4053   035032   6           Lack of consumables
4054   035032   7           Instrument failure
4055   035032   8           Non-adherence to telecommunication procedures


                                              Page 78
                                       BC_CodeFlagTable


4056   035032   9         Some observing programmes ceased
4057   035032   10-14     Not used
4058   035032   15        Missing value
4059   035033   1         No deficiency
4060   035033   2         Observations not made regularly
4061   035033   3         Observations not made at right time
4062   035033   4         Observations made but not disseminated
4063   035033   5         Observations made and sent to incorrect users
4064   035033   6         Collection not received
4065   035033   7         Collection transmitted late
4066   035033   8         Collection not transmitted
4067   035033   9         Difficulties in HF propagation and selection of suitable frequency
4068   035033   10        Difficulties in maintenance of communication equipment at remote stations
4069   035033   11        No alternative arrangement for routeing meteorological observation
4070   035033   12-99     Reserved
4071   035033   100-122   Not used
4072   035033   123       Missing value
4073   035034   1         Slight improvement
4074   035034   2         Significant improvement
4075   035034   3         Most significant improvement
4076   035034   4         Steady
4077   035034   5         Decreasing
4078   035034   6         Efforts required to improve night-time observations
4079   035034   7         Missing value
4080   035035   0         Reserved
4081   035035   1         Balloon burst
4082   035035   2         Balloon forced down by icing
4083   035035   3         Leaking or floating balloon
4084   035035   4         Weak or fading signal
4085   035035   5         Battery failure
4086   035035   6         Ground equipment failure
4087   035035   7         Signal interference
4088   035035   8         Radiosonde failure
4089   035035   9         Excessive missing data frames
4090   035035   10        Reserved
4091   035035   11        Excessive missing temperature
4092   035035   12        Excessive missing pressure
4093   035035   13        User terminated
4094   035035   14-29     Reserved
4095   035035   30        Other
4096   035035   31        Missing value
4097   040005   1         Soil moisture between -20% and 0%
4098   040005   2         Soil moisture between 100% and 120%
4099   040005   3         Correction of wet backscatter reference
4100   040005   4         Correction of dry backscatter reference
4101   040005   5         Correction of volume scattering in sand
4102   040005   6-7       Reserved
4103   040005   All 8     Missing value
4104   040006   1         Not soil
4105   040006   2         Sensitivity to soil moisture below limit
4106   040006   3         Azimuthal noise above limit
4107   040006   4         Backscatter Fore-Aft beam out of range


                                             Page 79
                                       BC_CodeFlagTable


4108   040006   5        Slope Mid-Fore beam out of range
4109   040006   6        Slope Mid-Aft beam out of range
4110   040006   7        Soil moisture below -20%
4111   040006   8        Soil moisture above 120%
4112   040006   9-15     Reserved
4113   040006   All 16   Missing value
4114   040011   1        Mean sea surface (MSS) interpolation flag
4115   040011   2        Ocean tide solution 1 interpolation flag (0=4 points over ocean, 1=less than 4 points)
4116   040011   3        Ocean tide solution 2 interpolation flag (0=4 points over ocean, 1=less than 4 points)
4117   040011   4        Meteorological data interpolation flag (0=4 points over ocean, 1=less than 4 points)
4118   040011   5-7      Reserved
4119   040011   All 8    Missing value
4120   040012   1        18.7 GHz brightness temperature
4121   040012   2        23.8 GHz brightness temperature
4122   040012   3        34 GHz brightness temperature
4123   040012   4-7      Reserved
4124   040012   All 8    Missing value
4125   040013   0        Interpolation with no gap between JMR* data
4126   040013   1        Interpolation with gaps between JMR* data
4127   040013   2        Extrapolation of JMR* data
4128   040013   3        Failure of extrapolation and interpolation
4129   040013   4-6      Reserved
4130   040013   7        Missing value
4131   099999            Notes to Code and Flag Tables




                                             Page 80
                             BC_CodeFlagTable


            enDescription3




ms (JAFOOS)
ch Organisation (CSIRO)




la mer (IFREMER)




                                 Page 81
                     BC_CodeFlagTable




 Institute (KORDI)




esearch (NIWA)


ental Monitoring




oratories (AOML)




                         Page 82
BC_CodeFlagTable




    Page 83
BC_CodeFlagTable




    Page 84
                 BC_CodeFlagTable




the Caribbean)




                     Page 85
BC_CodeFlagTable




    Page 86
                                                BC_CodeFlagTable




ent but pressure element failed during ascent




                                                    Page 87
BC_CodeFlagTable




    Page 88
                                                           BC_CodeFlagTable




tral channels
nel in clear air

(cloud or clear air not specified)




Layer precipitable water for the layers: surface to 700 hPa, 700 to 500 hPa, and 500 to 300 hPa
Layer precipitable water for the layers: surface to 700 hPa, 700 to 500 hPa, and 500 to 300 hPa
Layer precipitable water for the layers: surface to 700 hPa, 700 to 500 hPa, and 500 to 300 hPa
Tropopause temperature and pressure
Tropopause temperature and pressure
Tropopause temperature and pressure




Mean temperature for the layers: surface to 850 hPa, 850 to 700 hPa, 700 to 500 hPa, 500 to 400 hPa, 400 to 300 hPa, 300 to 200 hPa, and
Mean temperature for the layers: surface to 850 hPa, 850 to 700 hPa, 700 to 500 hPa, 500 to 400 hPa, 400 to 300 hPa, 300 to 200 hPa, and
Mean temperature for the layers: surface to 850 hPa, 850 to 700 hPa, 700 to 500 hPa, 500 to 400 hPa, 400 to 300 hPa, 300 to 200 hPa, and
Mean temperature for the layers: surface to 850 hPa, 850 to 700 hPa, 700 to 500 hPa, 500 to 400 hPa, 400 to 300 hPa, 300 to 200 hPa, and
Mean temperature for the layers: surface to 850 hPa, 850 to 700 hPa, 700 to 500 hPa, 500 to 400 hPa, 400 to 300 hPa, 300 to 200 hPa, and
Channel combinations used to obtain mean temperatures for the layers 100 to70 hPa, 70 to 50 hPa, 50 to 30 hPa, 30 to 10 hPa, 10 to 5 hPa
Channel combinations used to obtain mean temperatures for the layers 100 to70 hPa, 70 to 50 hPa, 50 to 30 hPa, 30 to 10 hPa, 10 to 5 hPa
Channel combinations used to obtain mean temperatures for the layers 100 to70 hPa, 70 to 50 hPa, 50 to 30 hPa, 30 to 10 hPa, 10 to 5 hPa
Channel combinations used to obtain mean temperatures for the layers 100 to70 hPa, 70 to 50 hPa, 50 to 30 hPa, 30 to 10 hPa, 10 to 5 hPa




t less than 12 hours apart




                                                                 Page 89
                                                             BC_CodeFlagTable




 t or selected by any other method)
 gnificant depths)




without level reference check.
  with level reference check, or from multiple automatic recorders.




                                                                      Page 90
                                   BC_CodeFlagTable




ocity removed by botton tracking
ocity removed by botton tracking
ocity removed by botton tracking
ocity removed by navigation
ocity removed by navigation
ocity removed by navigation




manually modified




                                       Page 91
BC_CodeFlagTable




    Page 92
BC_CodeFlagTable




    Page 93
BC_CodeFlagTable




    Page 94
BC_CodeFlagTable




    Page 95
BC_CodeFlagTable




    Page 96
                               BC_CodeFlagTable




ogical drifting buoy)
eteorological drifting buoy)




                                   Page 97
BC_CodeFlagTable




    Page 98
BC_CodeFlagTable




    Page 99
BC_CodeFlagTable




    Page 100
BC_CodeFlagTable




    Page 101
                   BC_CodeFlagTable




e sensing system




                       Page 102
BC_CodeFlagTable




    Page 103
                                 BC_CodeFlagTable




nd and cloud to cloud




M 12SYNOP and FM 13 SHIP apply




he station level




                                     Page 104
BC_CodeFlagTable




    Page 105
                  BC_CodeFlagTable




ents, unsteady



ments, unsteady




                      Page 106
                    BC_CodeFlagTable




s of RVR (P)


ments of RVR (P)
ments of RVR (M)

sments of RVR (P)
ments of RVR (M)




                        Page 107
BC_CodeFlagTable




    Page 108
                BC_CodeFlagTable




f temperature
ontamination




                    Page 109
                  BC_CodeFlagTable




eason applies




g or turbulence




                      Page 110
             BC_CodeFlagTable




10028-15-6
7732-18-5
74-82-8
124-38-9


                 Page 111
                                               BC_CodeFlagTable


             630-08-0
             10102-44-0
             10024-97-2
             50-00-0
             7446-09-5




ded equal to or more than 10 m/s or 20 knots
ded equal to or more than 20 m/s or 40 knots
ded equal to or more than 30 m/s or 60 knots




                                                   Page 112
                          BC_CodeFlagTable




housekeeping (level 1b)

nces (level 1d)




                              Page 113
                                              BC_CodeFlagTable




e local ground (or Deck of marine platform)
e water surface




                                                  Page 114
                                           BC_CodeFlagTable




or higher than 3 hours ago
ric pressure now higher than 3 hours ago
ric pressure now higher than 3 hours ago
ric pressure now higher than 3 hours ago

 or lower than 3 hours ago
ric pressure now lower than 3 hours ago
ric pressure now lower than 3 hours ago
ric pressure now lower than 3 hours ago




                                               Page 115
                       BC_CodeFlagTable




ar air not specified
ar air not specified
ar air not specified
ar air not specified




                           Page 116
BC_CodeFlagTable




    Page 117
BC_CodeFlagTable




    Page 118
                                                           BC_CodeFlagTable




ope, determination by means of the spiral-band overlay, accuracy good (within 10 km)
ope, determination by means of the spiral-band overlay, accuracy fair (within 30 km)
ope, determination by means of the spiral-band overlay, accuracy poor (within 50 km)
cope, extrapolation by means of the spiral-band overlay




efined of the major axis




                                                                Page 119
                 BC_CodeFlagTable




haracteristics




                     Page 120
                                                             BC_CodeFlagTable




m, sandstorm, drifting or blowing snow at the station* at the time of observation or, except for 09 and 17, during the preceding hour

istic change of the state of sky during the past hour
istic change of the state of sky during the past hour
istic change of the state of sky during the past hour
istic change of the state of sky during the past hour




                                                                   Page 121
                                                              BC_CodeFlagTable


 l smoke or volcanic ashes

at or near the station at the time of observation
of observation, but no well developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, In the case of sea stations and
the station during the preceding hour or at the same time of observation, but no duststorm or sandstorm
n, or at the station during the preceding hour

og or Ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea
og or Ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea

 ce of the sea
of the sea, but distant, i.e. estimated to be more than 5 km from the station
of the sea, near to, but not at the station

n sight of the station during the preceding hour or at the time of observation
n sight of the station during the preceding hour or at the time of observation
g the preceding hour but not at the time of observation
 as shower(s)
 as shower(s)
 as shower(s)
 as shower(s)
 as shower(s)
 as shower(s)




 ased during the preceding hour
 iable change during the preceding hour
n or has increased during the preceding hourhas begun or has increased during the precedinghas begun or has increased during the preced
 ased during the preceding hour
 iable change during the preceding hour
n or has increased during the preceding hour
 ow (below eye level)
 ow (below eye level)
high (above eye level)
high (above eye level)

t at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer

me thinner during the preceding hour
me thinner during the preceding hour
 iable change during the preceding hour
 iable change during the preceding hour
n or has become thicker during the preceding hour
n or has become thicker during the preceding hour




me of observation


                                                                   Page 122
                                                             BC_CodeFlagTable


me of observation
at time of observation
at time of observation
nse) at time of observation
nse) at time of observation




me of observation
me of observation
at time of observation
at time of observation
me of observation
me of observation




me of observation
me of observation
at time of observation
at time of observation
me of observation
me of observation




orm   during the preceding hour but not at time of observation
orm   during the preceding hour but not at time of observation
orm   during the preceding hour but not at time of observation
orm   during the preceding hour but not at time of observation
orm   at time of observation
orm   at time of observation
orm   at time of observation
orm   at time of observation
orm   at time of observation


                                                                 Page 123
                              BC_CodeFlagTable



ng the past hour


al to, or greater than, 1km




                                  Page 124
                                                    BC_CodeFlagTable




now showers




ring preceding hour or at the time of observation


                                                        Page 125
BC_CodeFlagTable




    Page 126
                                                              BC_CodeFlagTable




 propriate period and covering 1/2 or less during part of the period
opriate period




 propriate period and covering 1/2 or less during part of the period
opriate period




                                                                       Page 127
                                                             BC_CodeFlagTable




et and/or 3 miles <= Visibility < 5 miles




ecasts use scattered/broken or broken/overcast followed by cloud type(s))
ecasts use scattered/broken or broken/overcast followed by cloud type(s))
aviation charts to describe the cloud type Cb)
aviation charts to describe the cloud type Cb)
aviation charts to describe the cloud type Cb)
aviation charts to describe the cloud type Cb)
aviation charts to describe the cloud type Cb)
aviation charts to describe cloud that would cause sudden changes in visibility (less than 1 000 m))




ss, but not zero




                                                                  Page 128
                                                             BC_CodeFlagTable


ore, but not 10/10




er meteorologicalphenomena, or observation is not made




 ally do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus

 sky; they generally thicken as a whole
, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon
, progressively Invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, wit




 ually changing and occurring at one or more levels
Altocumulus translucidus or opacus, progressively Invading the sky;these Altocumulus clouds generally thicken as a whole

 Altocumulus opacus In a single layer, not progressively Invading the sky, or Altocumulus with Altostratus or Nimbostratus




with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level




pannus),usually below Altostratus or Nimbostratus
 ogenitus, with bases at different levels
 Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus




                                                                  Page 129
                                                           BC_CodeFlagTable



m, or other analogous phenomena
and, or other similar phenomena, or because of a continuous layer of lower clouds
and, or other similar phenomena, or because of continuous layer of lower clouds
 nd, or other similar phenomena




above the top of the layer




                                                                Page 130
BC_CodeFlagTable




    Page 131
                                                               BC_CodeFlagTable




fast ice with boundary beyond limit of visibility
              Ship in ice or within 0.5 nautical mile of ice edge
              Ship in ice or within 0.5 nautical mile of ice edge
              Ship in ice or within 0.5 nautical mile of ice edge
              Ship in ice or within 0.5 nautical mile of ice edge
              Ship in ice or within 0.5 nautical mile of ice edge
              Ship in ice or within 0.5 nautical mile of ice edge
              Ship in ice or within 0.5 nautical mile of ice edge
              Ship in ice or within 0.5 nautical mile of ice edge

cause ship is more than 0.5 nautical mile away from ice edge




                                                                    Page 132
                                                               BC_CodeFlagTable




 hazard to navigation

cause only sea ice is visible




 forming and floe freezing together
 under slight pressure
 under moderate or severe pressure




 ck first year ice (>120 cm thick) with some thinner (younger) first year ice

ce (usually more than 2 metres thick)


cause only ice of land origin is visible or because ship is more than 0.5 nautical mile away from ice edge




                                                                    Page 133
                                                               BC_CodeFlagTable




rage, except on windward slopes of elevated terrain; average width of cloud is at least as great as its vertical thickness
average cloud width is more than its vertical thickness; towers are vertical with little or no evidence of precipitation, except along slopes of ele
ease in size with height and whose tops tend to separate from the longer cloud body and evaporate within minutes of the separation
ownwind direction; vertical cloud thickness is more than 11/2 times that of its average width
upwind direction; vertical cloud thickness is more than 11/2 times that of its average width
 ce the average width; not organized in clusters or lines; one or more layers of clouds extend out from the cloud towers, although no continuo
 eparated by wide areas in which clouds are absent; cloud bases are generally dark with showers observed in most cells; some scattered mi
 e with broken to overcast sheets of middle clouds and/or Cirrostratus; Cumulus towers do not decrease generally in size with height; ragged
 eets with some large isolated Cumulonimbus or Cumulus congestus clouds penetrating these sheets; light rain occasionally observed from t
Cumulonimbus and Cumulus congestus in organized lines or cloud bands; rain is generally observed from Altostratus sheets and heavy show




                                                                    Page 134
                                BC_CodeFlagTable



ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
ow or measurable ice cover
or measurable ice cover
or measurable ice cover
or measurable ice cover
or measurable ice cover
or measurable ice cover
or measurable ice cover
or measurable ice cover
or measurable ice cover
or measurable ice cover



 1 per second
 1 per second
 1 per second



apid number cannot be counted
apid number cannot be counted
apid number cannot be counted




                                    Page 135
BC_CodeFlagTable




    Page 136
                                                                 BC_CodeFlagTable




int of observation


than 10 metres
ter than10 metres


xtermination operation
 mination operation in progress


0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0
0 104 (Organizational state of swarm   or band of lucusts) = 0


0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9
0 104 (Organizational state of swarm   or band of lucusts) = 1 to 9




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r individual locusts to be discerned)




re out of range




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t time if zero)




d when ERS platform not in yaw-steering mode
h Product Confidence Data show quality is poor or unknown




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up water level sensor




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 TMI instrument)




sage criteria not met
ata not available




dividual atmospherics
e individual atmospherics




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s set to 1, then channel is present, if bit position is set to 0, then channel is not present

s set to 1, then channel is present, if bit position is set to 0, then channel is not present

s set to 1, then channel is present; if bit position is set to 0, then channel is not present

s set to 1, then channel is present, if bit position is set to 0, then channel is not present

s set to 1, then channel is present, if bit position is set to 0, then channel is not present

s set to 1, then channel is present, if bit position is set to 0, then channel is not present




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anges from 1 day to 2 days
 than 2 days, or that the orbit is extrapolated just after a manoeuvre




g either Mode 1 or 2, 1 if Mode 1 Calibration sequence)'Bits 3 and 4 indicate active 23.8 GHz channel




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one using default parameters
one using raw data analysis results




processing is greater than the acceptable threshold
processing is less than the acceptable threshold




processing is greater than the acceptable threshold
processing is less than the acceptable threshold




econstruction of this pixel
site polarisation during image reconstruction to account for cross-polarisation leakage
onstruction of this pixel
econstruction of this pixel
nstruction of this image




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 = suspect or bad
 = slightly suspect2 = highly suspect3 = bad

alified1 = Correct value (all checks passed)2 = Probably good but value inconsistent with statistics (differ from climatology)3 = Probably bad (


al value1 = substituted/corrected value




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n is possible in 5 per cent of the cases)




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 mixing ratio is invalid




us good time

us times (i.e. there is a time discontinuity). This may or may not be associated with a spacecraft clock update (see scan line status flags for A
ave been previously accepted

ber of scan lines because of proximaty to start or end of data or to a data gap




de (see time problem code bits)


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asonableness check




cally unreasonable or has not been calculated due to calibration problems




ot manually checked
 anually checked and failed




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ement hit the lower limit of the instrument)
ment hit the higher limit of the instrument)




 Land MDS reserved
 Land MDS reserved.




< specific value




 converge within a minimum number of iterations
  of iterations
tral peak is less than a minimum threshold, or the zero lag shift is greater than a minimum threshold


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m climatology)

constant profile)




e per data block containing: 0=valid measurement, 1=invalid). Bit 1 applies to the 20th data block.

e per data block containing: 0=valid measurement, 1=invalid). Bit 1 applies to the 20th data block.




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eds threshold (set to 25 DU)




n limit (25 DU)
r than threshold

s a priori error




backward scans Error




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and procedures including those of monitoring




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mote stations




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n, 1=less than 4 points)
n, 1=less than 4 points)
 1=less than 4 points)




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00 to 300 hPa, 300 to 200 hPa, and 200 to 100 hPa
00 to 300 hPa, 300 to 200 hPa, and 200 to 100 hPa
00 to 300 hPa, 300 to 200 hPa, and 200 to 100 hPa
00 to 300 hPa, 300 to 200 hPa, and 200 to 100 hPa
00 to 300 hPa, 300 to 200 hPa, and 200 to 100 hPa
o 30 hPa, 30 to 10 hPa, 10 to 5 hPa, 5 to 2 hPa, 2 to 1 hPa,1 to 0.4 hPa
o 30 hPa, 30 to 10 hPa, 10 to 5 hPa, 5 to 2 hPa, 2 to 1 hPa,1 to 0.4 hPa
o 30 hPa, 30 to 10 hPa, 10 to 5 hPa, 5 to 2 hPa, 2 to 1 hPa,1 to 0.4 hPa
o 30 hPa, 30 to 10 hPa, 10 to 5 hPa, 5 to 2 hPa, 2 to 1 hPa,1 to 0.4 hPa




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during the preceding hour




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or, In the case of sea stations and coastal stations, blowing spray at the station




or has increased during the preceding hour




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us castellanus or floccus


45 degrees above the horizon
45 degrees above the horizon, without the sky being totally covered




cken as a whole

or Nimbostratus




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 cal thickness
cipitation, except along slopes of elevated terrain; a general absence of middle and
 minutes of the separation


 cloud towers, although no continuous cloud layers exist
ed in most cells; some scattered middle and upper clouds may be present; individual Cumulus ce
generally in size with height; ragged dark cloud bases with some showers present
ht rain occasionally observed from the Altostratus; Cumulonimbus bases ragged and dark with show
  Altostratus sheets and heavy showers from Cumulonimbus; wind has a squally character




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rom climatology)3 = Probably bad (spike, gradient, if other tests passed)4 = Bad value, impossible value (out of scale, vertical




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ate (see scan line status flags for ATOVS)




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e (out of scale, vertical




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