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20 Cards in this Set
- Front
- Back
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Cold front |
A fast moving cold air mass overtakes a warm air mass |
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Warm front |
A warm air mass overtakes a slow moving cold air mass |
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Stationary front |
Cold and warm air masses meet |
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Occluded front |
A warm air mass is caught between two cooler air masses |
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Polar air mass |
50 degree north latitude and a 50 degree of south latitude |
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Tropical air mass |
Type of air mass that forms in the tropics it is warm with low pressure |
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Maritime air mass |
Type of air mass that forms over oceans and can be very humid |
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Continental air mass |
Type of air mass that forms land and can be dry |
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Prevailing westerlies |
Major wind belts that generally push from west to east |
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Jet streams |
High speed winds that are in prevailing westerlies and are about 10 kilometers above earth surface |
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Fronts |
Huge air masses that move across that land and oceans and collide with each other |
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Cyclone |
A swirling center of low air pressure |
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Anticyclones |
High pressure centers of dry air |
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Coriolis effect |
The effect of earths rotation on the direction of winds and currents in the ocean |
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Wind |
Moving air caused by the heating of the sun and the earths rotation |
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Temperature and moisture |
The characteristics that determine the type of air masses |
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Maritime tropical |
A warm and humid air mass |
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Maritime polar |
A cold and humid air mass |
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Continental tropical |
A hot and dry air mass |
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Continental polar |
A cold and usually dry air mass |
