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14 Cards in this Set
- Front
- Back
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Cold Front |
forms when cold, dense air moves into a regionoccupied by warmer air. |
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Stationary Front |
the flow of air on either side of a front is neithertoward the cold air mass nor toward the warm airmass, but almost parallel to the line of the front. |
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Warm Front |
forms when warm air moves into an area formerlycovered by cooler air. |
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Polar Easterlies |
winds that blow from the polar high toward thesubpolar low. These winds are not constant likethe trade winds. |
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Air Mass |
an immense body of air that is characterized bysimilar temperatures and amounts of moisture atany given altitude. |
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Polar Front |
a stormy frontal zone separating cold air massesof polar origin from warm air masses of tropicalorigin. |
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Anticyclone |
centers of high pressure. |
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Anemometer |
an instrument that resembles a cup and iscommonly used to measure wind speed. |
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Monsoon |
are the seasonal reversal of wind directionassociated with large continents, especially Asia.In winter, the wind blows from land to sea. |
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Eye Wall |
is a doughnut-shaped area of intensecumulonimbus development and very strongwinds that surrounds the eye of a hurricane. |
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Westerlies |
the dominant west-to-east motion of theatmosphere that characterizes the regions on thepoleward side of the subtropical highs. |
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Eye |
is a zone of scattered clouds and calm averagingabout 20 kilometers in diameter at the center of ahurricane. |
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Trade Winds |
two belts of winds that blow almost constantlyfrom easterly directions and are located on thenorth and south sides of the subtropical highs. |
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Occluded Front |
when an active cold front overtakes a warm front |
