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Weather Quiz

Air Masses, Fronts, Winds

TermDefinition
air mass a huge body of air that has similar temperatures, humidity (measure of the amount of water vapor in the air), and air pressure at any given height.
Tropical warm, air masses form in the tropics (near the equator) and have low air pressure.
Polar cold, air masses form north of 50 degree north latitude and south of 50 degree south latitude. These have high air pressure.
Maritime air masses form over oceans. Water evaporates from oceans, so the air becomes very humid.
Continental air masses form over land and have less exposure to large amounts of moisture from bodies of water.
Cold Front Forms when a cold air mass pushes under a warm air mass, forcing the warm air to rise.
Warm Front Forms when a moist, warm air mass slides up and over a cold air mass.
Stationary Front Forms when warm & cold air meet & neither has the force to move the other.
Occluded Front Forms when a warm air mass gets trapped between two cold air masses.
Front The boundary where two air masses meet.
Land Breeze Occurs at night when cold air over land moves to the sea
Sea Breeze Occurs during the day when cold air over the sea moves in over land
Tradewinds Directly north and south of the equator, used by sailors
Prevailing Westerlies Global winds that brings weather to North America
Polar Easterlies Cold winds that are at the poles.
Coriolis Effect The rotation of Earth causes moving air & water to appear to turn clockwise(to the right) North of the equator and to the left (counterclockwise) South of the equator
Created by: HallRRHS
Popular Earth Science sets

 



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