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science Chapt. 16
these are my flashcards i need to study for my science test so yaa k bye
Question | Answer |
---|---|
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. |