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31 Cards in this Set
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- Back
relative humidity |
vapor pressure in air to saturation vapor pressure at same temp |
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when air temp hits dew point water condenses and.... |
absolute humidity decreases |
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high heat capacity |
temperature rise and fall is slow |
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water has high latent heat |
heat absorbed during melting and evaporation and released during condensation and freezing |
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warm moist air rises |
low pressure |
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cool dry air sinks |
high pressure |
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High pressure system |
rotates clockwise through coriolis effect |
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low pressure system |
rotates counterclockwise through coriolis effect |
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stable air |
air will not rise further than being lifted |
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unstable air |
air is warmer than surrounding air, will rise further than lifted |
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warm front |
warm air pushes into cooler air mass |
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cold front |
cold air mass pushes into warm air |
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occluded front |
cold front takes over a warm front lifting all of warm air mass |
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monsoon |
area of mountains heat up and draws in moisture from surrounding oceans. rains |
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ordinary cell life cycle |
cumulus-rising mature- rain dissapating-decending |
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supercell |
rising air rapidly rotates, descending air rotates more slowly, tornadoes |
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isolated thunderstorm |
local unstable air |
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clustered thunderstorm |
chains of storms at different stages |
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squall line |
along strong cold fronts, mid latitude cyclones |
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haboobs |
dust storms |
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funnel cloud |
rapid drop of pressure within tornado |
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fujita scale |
tornadoes wind speed 0 to 5 |
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enhanced fujita scale |
better align wind speeds and damage |
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mid latitude cyclones |
large storm systems, tornadoes, blizzards, dust storms, wind storms |
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rotating winds around low pressure system |
mid latitutude cyclones |
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tropical cyclones |
hurricanes, typhoons, cyclones |
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low pressure center draws in moisture laden winds forced by coriolis effect to spiral |
tropical cyclones |
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weaken over cooler water, rapidly weaken over landfall |
tropical cyclones |
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saffir simpson scale |
cyclones categories 1-5 |
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galveston hurricane 1900 |
galveston texas, no experience with storms, highly vulnrable to storm surge |
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hurricane ike |
houston and galveston texas, lots of evacuation, some refused to leave, lots of damage and spread into south |