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16 Cards in this Set
- Front
- Back
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high pressure system
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low pressure system
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cumulus cloud
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stratus cloud
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cirrus cloud
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cumulonimbus cloud biggest cloud of all
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cold front
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warm front
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stationary front
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occluded front
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thunderstorms
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snow flurries
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front-an area where two air masses meet
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cold front-a area where cold air moves in on an area of warm air. the heavier, colder air slides in underneath the light warm air mass and pushes it up.
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air mass-a large body of air that has the same temperature and level of humidity.
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warm front-an area where warm air moves in on an area of cold air. the lighter warm air slides over the heavy, cold air creating a front with a gentle slope
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occluded front- an area in which a warm air mass is caught between two cold air masses;brings cool temperature and plenty of rain and snow
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cumulonimbus cloud- (6,000 to 50,000 feet) large,tall dark, clouds that are narrow in the middle and wide and flat at the bottom.
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cirrus cloud- (20,000 to 40,000 feet) white,wispy,thin,and broad
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stratus cloud- (below 6,000 feet) layered and streaky with indistinct edges
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cummulus cloud (below 6,000 feet) large puffy with flat bottom
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clouds- a collection of millions of tiny water droplets or ice crystals
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wind- the movement of air across the atmosphere.
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air pressure- the weight of air in an area
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temperature- the measure of heat and cold.
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humidity- the amount of water vapor in the air
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weather-the state of the atmosphere at certain time and place
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water vapor-water that has turned into a gas
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run off- water that fall on land and moves from high ground to low ground and may end in the ocean
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precipitation- when water in clouds fall from the sky to the earth
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condensation-when water vapor changes back into liquid water
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evaporation-when liquid water droplets turn into a gas,also called water vapor
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