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28 Cards in this Set
- Front
- Back
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what does temperature do when altitude increases?
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IT DECREASES!
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Where is the greatest air pressure?
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At the surface
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What is the ozone layer?
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The stratosphere
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The warmer the land the blank the air...
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warmer
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How is air pressure measured?
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Using a barometer
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how does moisture enter the atmosphere?
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by water evaporation
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the wetter the air the blank the dewpoint
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the higher
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how is dew point measured?
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by a sling psychrometer
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what happens when temperature and dew point are the same and the air is at 100% saturation
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it rains!
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why does air cool?
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because it expands
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what is wind the result of?
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differences in air pressure between different locations
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How is the direction of wind determined?
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using a wind/ weather vane
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where does a mid latitude cyclone form?
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at a low pressure center
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where does precipitation occur?
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along the cold front and ahead of the warm front
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What is a stationary front?
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A stationary front is a boundary between two different air masses, neither of which is strong enough to replace the other.
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How does an occluded front form?
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From a mid latitude cyclone.
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where do hurricanes start?
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from thunderstorms in africa that keep on becoming larger because of hot conditions and extreme evaporation.
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what is considered the most dangerous weather?
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hurricanes
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what has extremely low pressure?
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hurricanes
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what do hurricanes need to form?
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warm water
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why are hurricanes dangerous?
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wind, duration, storm surge, floods, rain
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why are thunderstorms dangerous?
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flooding, lightning, hail, wind
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why are tornadoes dangerous?
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winds, debris, move randomly,
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what do you do in a hurricane?
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board up windows, evacuate, get supplies- first aid
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what do you do in a thunderstorm?
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Go inside to lower elevation or get in the car
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what do you do during tornadoes?
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go to low elevation or if your outside in a ditch, go into your basement and stay away from windows
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when do tornadoes occur?
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late spring/early summer
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when do thunderstorms occur?
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in the early summer
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