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16 Cards in this Set
- Front
- Back
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 air 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 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 precipitation and frequent thunder and lightning.
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Lightning
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A sudden spark, or energy discharge, caused when electrical surges 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 temporarily to avoid hurricane conditions.
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