chapter eight review

chapter eight review - CHAPTER EIGHT -whats an air mass -an...

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CHAPTER EIGHT -whats an air mass -an area of the atmosphere having relatively homogeneous temp and moisture characteristics -whats a source region -those areas that influence and impress their moisture and temp characteristics on overlying air masses -latitudinal position determines temp A – artic AA – antaratic P – polar T—trpoical E—equatorial -underlying surface determines moisture m – maritime (ocean, water body) c – continental (continent, land) -primary air masses in north America mT (warm, moist) mP (cool, moist) cT (warm, dry) cP (cold, dry) cA (cold, very dry) mE (warm, moist) -what is a front -sharply defined boundary between 2 different air masses -cold front: leading edge of cold mass (lifting mechanism) -greater density, ground hugging, “displaces” warm air - APPROCHES: high cirrus clouds appear, wind shift, temperature drop -DURING: cumulonimbus advancing cloud wall, heavy precip and storms -PASSBY: northly winds in NH (vice versa SH), lower temp and lower press with cloud cover break
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This note was uploaded on 04/07/2008 for the course GEOG 1001 taught by Professor Stanitski during the Spring '08 term at Colorado.

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chapter eight review - CHAPTER EIGHT -whats an air mass -an...

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