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Related Flashcards
Cards In This Set
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What is a front?
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A front is a collision of two or more airmasses
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What are the clouds and weather associated with cold fronts?
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Cumulonimbus clouds and severe weather are associated with cold fronts.
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During a cold front, what happens between the warm and cold air masses?
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The dry, cold air mass advances on the warm and moist air mass, wedging under it and forcing the wairm air up.
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What are the clouds and weather associated with warm fronts?
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Stratoform clouds and light precipitation are associated with warm fronts.
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During a warm fronts, what happens between the cold and warm air masses?
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The moist, warm air advances on the cold air mass, forcing it to go up since it is less dense.
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Are cold fronts or warm fronts faster?
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Cold fronts are faster.
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Stationary fronts stay around for how long and what precipitation do they bring with them?
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They stay around for many days and bring light precipitation.
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Occluded fronts:
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Are rare but bring extreme severe weather.
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Storms typically pop up along:
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Dry lines.
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What is an air mass and what conditions does it take on?
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An air mass is a large body of air that has a relatively equal temperature and moisture level through out. it takes on the conditions of the surface below its source region.
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The maritime tropical air mass:
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Brings in warm and moist air from the gulf of mexico
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The maritime polar air mass:
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Brings in cold and moist air from the northwest.
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The continental tropical air mass:
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Brings in warm and dry air from the southwest.
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The continental polar air mass:
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Brings in cold and dry air from canada and is responsible for most of the cold weather that the US has.
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Which way do mid-latitude cyclones rotate in the northern hemisphere and what kind of pressure do they rotate around?
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They rotate counterclockwise around a low.
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