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Weather Ch.3

Air masses and fronts

TermDefinition
Air mass A huge body of air that has similar temperature, pressure, and humidity throughout.
Tropical (air mass) A warm air mass that forms in the tropics and has low air pressure.
Polar (air mass) A cold air mass that forms north of 50° north latitude or south of 50° south latitude and has high air pressure
Maritime (air mass) A humid air mass that forms over oceans.
Continental (air mass) A dry air mass that forms over land.
Front The area where air masses meet and do not mix.
Occluded Cut off, as the warm air mass at an occluded front is cut off from the ground by cooler air beneath it.
Cyclone A swirling center of low air pressure.
Anticyclone A high-pressure center of dry air.
Created by: boltonoli12
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