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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 warm front |
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Warm front |
A warm air mass over-takes a slow moving cold air mass |
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Stationary front |
Cold and warm air masses meet, but neither can move the other |
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Occluded front |
A warm air mass is caught between two cooler air masses |
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Polar air mass |
Type of air mass that forms north and 50 degrees north latitude and south 50 degrees south latitude (cold) |
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Tropical air mass |
Type of air mass that forms in the tropics. It is warm with low air 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 over land and can be dry |
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Prevailing Westerlies |
Mayor wind belts that generally push from west to east |
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Jet streams |
High-speed winds that are in the prevailing westerlies and are about 10 kilometers above Earth’s surface |
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Fronts |
Huge air masses that move across the land and oceans and collide with each other |
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Cyclone |
A swirling center of low air pressure |
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Anticyclone |
High-pressure centers of dry air |
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Coriolis effect |
The effect of earths rotation and the direction of winds and currents into he 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 Tropical |
A hot AND dry air mass |
