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4 Cards in this Set
- Front
- Back
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What is an air mass and how large can it be?
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-a huge body of air that has similar temperature, humidity,and airpressure at any given height.
-may spread over millions of square km and be up to 10 km deep. |
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List the 4 types of air masses that influence North American weather.
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-maritime tropical
-continental tropical -maritime polar -tropical polar |
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What do the characteristics of an air mass depend on?
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-temperature and moisture content of the region over which the air mass forms
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Explain how temperature affects air pressure.
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-cold dense air has a higher pressure
-warm less dense air has a lower pressure |
