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15 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
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Continental
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air masses form over land.
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front
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The boundary where unlike air masses meet but do not mix.
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occluded
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Cut off, as in a front where a warm air mass is caught between two cooler air masses.
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cyclone
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A swirling center of low air pressure.
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anticyclone
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A high-pressure center 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 energy discharge, caused when electrical 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 to touch Earth’s surface.
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hurricane
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A tropical storm that has winds of about 119 kilometers per hour or higher
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storm surge
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A “dome” of water that sweeps across the coast where a hurricane lands.
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