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14 Cards in this Set
- Front
- Back
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Air Mass
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A huge body of air that has similar temperature, humidity, and air pressure at any given height.
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Tropical
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Warm, air masses form in the tropics and have low air pressure.
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Polar
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Cold, air masses form north of 50° north latitude and south of 50° south latitude.
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Maritime
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Air masses form over oceans. Water evaporates from the oceans, so the air can become very humid.
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Continental
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Air masses form over land.
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Occluded
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The warm air mass is cut off.
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Cyclone
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A swirling center of low air pressure.
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Anticyclones
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High-pressure centers of dry air.
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Storm
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A violent disturbance in the atmosphere.
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Thunderstorm
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A small storm often accompanied by heavy precipitation and frequent thunder and lightning.
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Lightning
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A sudden spark, or electrical discharge, as these charges jump between parts of a cloud, between nearby clouds, or between a cloud and the ground.
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Tornado
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A rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth’s surface
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Hurricane
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A tropical cyclone that has winds of 119 kilometers per hour or higher.
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Storm Surge
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Water that sweeps across the coast where the hurricane lands.
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