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18 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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A warm air mass that forms in the tropics and has low air pressure
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polar air mass
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A cold air mass that forms north of 50° north latitude or south of 50° south latitude and has high air pressure.
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maritime
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A humid air mass that forms over oceans.
A humid air mass that forms over oceans. 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 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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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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thunderstorm
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A small storm often accompanied by heavy precipitation and frequent thunder and lightning
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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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meteorologist
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Scientists who study the causes of weather and try to predict it.
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isobar
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A line on a weather map that joins places that have the same air pressure
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isotherm
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A line on a weather map that joins places that have the same temperature.
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