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science Chapt. 16

these are my flashcards i need to study for my science test so yaa k bye

QuestionAnswer
what is maritime? a humid air mass that forms over oceans.
what is continental? a dry air mass that forms over land.
what is a front? the boundary where unlike air masses meet but do not mix.
what is occluded? cut off, as in a front where warm air mass is caught between two cooler air masses.
what is a cyclone? a swirling center of low air pressure.
what is an anticyclone? a high-pressure center of dry air.
where do continental polar masses come from? central and northern canada and alaska.
what are air masses and fronts? a body of air that has a similar temperature, humidity, and air pressure at any given height is called an air mass.
what is tropical? warm low pressure
what is polar? cold high pressure
what is maritime? HUMID marine come from over oceans
what is continental? dry come from over continents
what is maritime tropical? warm humid air forms over tropical oceans, bring hot humid weather in summer, bring heavy rain or snow in winter.
what is maritime polar? cool humid air forms over icy cold north pacific and north atlantic oceans. bring fog, rain, and cool temps to west coast.
what is continental tropical? hot dry air cover a smaller area than other air masses form over southwest and northern mexico
what is continental polar? cold dry air forms over northern canada and alaska. bring bitterly cold dry clear weather in winter. storms may occur when this mass meets maritime tropical air.
what are prevailing westerlies? generally push air masses from west to east (in the U.S.)
what are jet streams? high altitude, blow from west to east.
what are fronts? where air masses meet but do not mix.
what are types of fronts? cold, dense air sinks while warm less dense air tends to rise.
Created by: DokeSu