Climate of Hawaii by 367V1De

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									Climates of Hawai‘i


   Ka Hana ÔI i NaÔa ao ĞA Science Careers Curriculum Resource Go to: www .cds.hawaii.edu/kahana
            m      u
                 Climates of Hawai‘i


 Only state surrounded by ocean
 Only state within tropics
  Both contribute to its climate


 50% above 2000 ft
 10% above 7000 ft
   2 Native Hawaiian Seasons

Kau - Summer
  May thru Oct
  Tradewinds prevalent
  Cloudy Windward areas
    2 Native Hawaiian Seasons
Ho‘oilo - Winter
 Nov thru April
 Winds light and variable
 Leeward areas cloudier
            Hawaiian Climates

 Kona
 Ko‘olau
 Puna

 Moa‘e
Elevation Changes
                 Natural Communities

 ELEVATION
 Temperature
 Rainfall (Moisture)
 Soil type
 Air temperature drops
   ~ 5.5° C/km rise in elevation
   ~ 3° F/1,000 ft
       7 climatic regions of Hawai‘i

1.Windward Lowlands
 < 2000 ft, North to NE sides
 –   Trade wind
 –   Moderately rainy
 –   Partly cloudy to cloudy
 –   Nearly uniform temperatures
      7 climatic regions of Hawai‘i

2. Leeward Lowlands
         (not Kona coast)
 - Higher daytime temps
 - Lower nighttime temps
 - Mostly dry with occasional
   light showers
     7 climatic regions of Hawai‘i


3. Interior Lowlands
 - O‘ahu & Maui
 - Occasional intense local
 afternoon showers
      7 climatic regions of Hawai‘i


4. Kona Coast
 - Summer rains
 - Winter dry
 - Warmer than windward
 - Drier than windward
    7 climatic regions of Hawai‘i

5. Windward mountain slopes
 - Lots of rain
 - Lots of clouds
   -In winter & summer
 - High humidity
    7 climatic regions of Hawai‘i

6. Leeward mountain slopes
- Rains more than lowlands
    but less than windward
- Greater temperature
    fluctuations
       7 climatic regions of Hawai‘i
7. High Mountains
  > 2000 ft or 3000 ft on Mauna Kea, Mauna
  Loa, & Haleakalā
 - Rain decreases rapidly with
    elevation
 - Near summit rain is scant with
    clear skies
 - Low humidity, low temperatures
Lee wave clouds at sunset. Lenticular, or lee wave, clouds form downwind of
an obstacle in the path of a strong air current. Since air cools as it rises and
    warms as it falls, it is at the peak of a standing wave where moisture
                           condenses and clouds form.
Towering cumulus clouds (cumulus
congestus). These very large and
vertically developed cumulus clouds
resembles the head of a cauliflower
and are known as a cumulus
congestus or towering cumulus.
Rain showers may result from this
type of cloud, which often develop
into a cumulonimbus, or
thunderstorm cloud.
          Clouds




Moonbow




                   Tornado
                   In ‘Ewa

								
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