Air Masses & Fronts
Terms
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- cT from the deserts
- clear, hot dry weather
- anticyclone
- the rotation of air around a high pressure center in the direction opposite to earth's rotation
- stationary front
- forms when a cold air mass and a warm air mass move toward eachother
- mP from N. Pacific Ocean
- brings snow & rain
- warm air masses
- (mT), (cT)
- cold air masses
- (cP), (mP)
- continental (c)
- forms over land; dry
- source region
- the area over which an air mass forms
- occluded front
- forms when a warm air mass is caught between two cold air masses
- polar (p)
- forms over the polar regions; cold
- mT from Gulf of Mexico
- heat, humidity, hurricanes, & thunderstorms
- cP from N. Canada
- extremely cold winter weather
- cyclone
- an area of the atomsphere that an area in the atmosphere that has lower pressure than the surrounding areas and has winds that spiral toward the center
- maritime (m)
- forms over water; wet
- tropical (t)
- forms over the tropics; warm
- warm front
- forms when a warm air mass moves in over a cold air mass that is leaving an area
- air mass
- a very large volume of air that has a certain temperature & moisture content
- front
- the place where two or more air masses meet
- cold front
- forms when a cold air mass moves under a warm air mass