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20 Cards in this Set
- Front
- Back
Airmass
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A huge body of air that has similar temperature, pressure,
and humidity 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 fifty degrees north latitude or south of fifty degrees south latitude and has high air pressure.
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Occluded
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Cut-off,as the warm air mass at a occluded front is cut-off from the ground by cooler air beneath it.
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Anticyclone
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a high pressure center of dry air.
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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 and the ground.
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Hurricane
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A tropical storm that has winds of 119 kilometers per hour of higher; typically about 600 kilometers across.
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Evacuate
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to move away temporarily
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Meteorologists
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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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Lines on a map joining places that have the same air pressure.
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Climate
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The average,year-after-year conditions of temperature,precipitation,winds,and clouds in an area.
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Humid subtropical
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A wet and warm climate area on the edge of the tropics.
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Permafrost
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permanently frozen soil found in the tundra climate region.
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Greenhouse gas
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gas in the atmosphere that trap heat.
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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 area where air masses meet and do not mix .
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Cyclone
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A swirling center of low air pressure.
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Storm
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A violent disturbance in the atmosphere
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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, usually leaving a destructive path
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