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									Community Warning System System
   Community Warning

               A partnership of industry,
               media and the public to warn
               and inform our community
               in the event of an emergency
  An Integrated System for all Emergencies

                    LARGE FIRES
                    In the event of a large fire, emergency crews can use the Community
                    Warning System to communicate with each other, with the public, with
                    county officials, and with members of the media to keep everyone informed.

                    CHEMICAL ACCIDENTS
                    During a chemical accident, the Community Warning System is used to
                    notify emergency centers throughout the county. The system simultaneously
                    notifies emergency crews, the media and local schools and hospitals. Safety
                    sirens near the accident site are also activated to immediately warn local
                    residents to “Shelter, Shut & Listen.”

                    EARTH QUAKES
                    After an earthquake, the Community Warning System’s television, radio and
                    media links can be used to provide residents with up-to-date local status
                    reports regarding the availability of services, road conditions and resources
                    throughout the county.

                    COMMUNITY WARNING SYSTEM
                    Together, these make up an all-hazard Community Warning System. Sirens
                    are activated in the event of a chemical accident; the digital and radio
                    communication links tie our county’s emergency services together to form
                    one of the most sophisticated safety systems in the United States.

Rev. July, 2006                                                                        Second Edition
  The following Shelter-In-Place procedures are recommended
  as the best first response after the Safety Sirens are Sounded




      Siren testing is scheduled for the first Wednesday of each month at 11:00 a.m.
       For more information about the “Shelter, shut & Listen” response, call (925) 313-9622
Rev. July, 2006                                                                        Second Edition
Program History
1989 Non-profit Community Awareness Emergency
     Response (CAER) organization studies sirens
     installed at Dow Chemical plant.
1991 CAER gets industry financial support for
     telephone notification system to augment sirens.
1993 Accident at General Chemical in Richmond
     raises interest in an integrated Community
     Warning System (CWS)
1995 CAER awards contract for CWS development

                                Contra Costa County
                                Office of the
                                Sheriff
Program History
1998 CAER begins donation of CWS to County
2001 CWS transfer to County complete; operation
     assigned to Health Services
2003 Contract issues for expanded telephone
     emergency notification system (TENS)
2003 Operation of CWS moved to Office of the Sheriff
     Emergency Services Division for all-hazard use,
     with Health Services funding from hazardous
     material fees

                               Contra Costa County
                               Office of the
                               Sheriff
Current Capabilities
• 42 Sirens near major industrial facilities
• Countywide telephone notification system
• National Weather Radio
• Emergency Alert System
• Emergency Digital Information Service
• Travelers Information Radio
• Control terminals at key operations centers
• Staff notification system
                                   Contra Costa County
                                   Office of the
                                   Sheriff
Current Challenges
• Telephone alerting system reliability
• Including business, wireless and network phones
• Streamlining control system
• Serving special-needs populations
• Improving warning message effectiveness
• Meeting all-hazard target capabilities


                                  Contra Costa County
                                  Office of the
                                  Sheriff
All-Hazard Alerting
DHS “Target Capabilities List” (per HSPD-8):
  Members of the public receive prompt, accurate
  and useful information regarding threats to their
  health, safety and property…

Performance Objectives:
• Time from incident to public alert <
30 min
• 90 percent of affected notified
within 15 minutes
                                Contra Costa County
                                Office of the
                                Sheriff
Implications of All-Hazard Alerting
• Challenge to hazard-specific semantics:
  • E.g., what does a siren mean?
• Variety of public attitudes and
experience
• Multiplicity of alert sources and
alert targets
• Communicating uncertainty
• Heightened need for corroboration as
                        Contra Costa County
messages become more unexpected…
                        Office of the
                                Sheriff
The Common Alerting Protocol
• An international standard data
format (XML) for coordinating multiple
alerting systems
• Adopted by DHS, NOAA, USGS,
California
• Consistent message across all systems
• Precise geographic targeting
• Basic text plus multilingual and
“rich media”            Contra Costa County
                            Office of the
                            Sheriff
CWS Target Architecture
                                          NOAA                             Weather
                                        HazCollect                          Radio




                                        California
                                                                             EAS
                                          EDIS




                                                                          Cable TV




                                                                             PPM
               Console
 XMPP “Chat”
   Server                          CAP Server
                                                                                         CWS
                                                                            Sirens
                                                                                       Interface


  Mapserver
                              Text To
                              Speech                                       Wireless




                                          TENS
                                                                         TENS Engine
                                        Controller




                                         Phones

                                                        Geocoding
                                                     From 9 -1 -1 Data


                   Report
                                         Results
                  Generator


                                                       Contra Costa County
                                                       Office of the
                                                       Sheriff
Other Projects
• Replacing telephone notification
system
• Additional sirens using CAP, wireless
technology
• Location-based alerting for wireless
phones
• Improved telephone alerting capability
• New activation and coordination
“console”
• Alert Translation Devices
                         Contra   Costa County
                           Office of the
• Contra Costa TV            integration
                    (cable)Sheriff
Ongoing Activities
• Technical system monitoring and
maintenance
• Operator training and duty-officer
support
• 9-1-1 database geocoding
• Public education and outreach
• Industry and media liaison
• Inter-agency coordination
• Research and technology partnerships
                        Contra Costa County
                        Office of the
                        Sheriff
Community Warning System


                   50 Glacier Drive
         Martinez, California 94553
                     (925) 313-9622




             Contra Costa County
             Office of the
             Sheriff

								
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