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15 Cards in this Set
- Front
- Back
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air mass
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huge body of air in the troposphere that has similar pressure, moisture, wind and temperature characteristics throughout.
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source region
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where an air mass forms that give characteristics to the air
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maritime air mass
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air masses that develop over water are moist
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continental air mass
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dry air
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polar air mass
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air mass developed at high latitudes that are cold
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tropical air mass
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lower latitude air mass that are warm
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cyclones and anticyclones
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air masses which differ in air pressure at center and direction in which winds spiral.
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cyclones
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a low pressure air mass with winds moving in a clockwise direction in towards its center
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anticyclone
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a high pressure air-mass with winds moving in a clockwise direction away from center
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fronts
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its the boundary between two air masses
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warm fronts
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form when warm air meets and rises above cool air on the ground
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cold front
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occurs when cold air meets and pushes out warm air
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cumulonimbus
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clouds that are associated with thunderstorms, come quickly and brings precipitation for a short time
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occluded front
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occurs when a faster moving cold fontcatches up to a warm front and lifts warm air between two fronts
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stationary front
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occurs when a warm airm mass and cold mass are side-by-side with neither air-mass moving
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