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16 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 throughout.
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tropical
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a warm air mass that forms in the tropics and has low air pressure
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polar
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a cold are mass that forms north of 50 degrees north latitude or south of 50 degrees south latitude and has high air pressure
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maritime
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a humid air mass that forms over oceans
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continental
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a dry air mass that forms 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 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 precipiation 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 from a storm cloud 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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evacuate
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to move away from an area temorarily to in liquid water escape into the air as water vapor
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