Tuesday, October 20, 2009

AIR MASSES

The four main types of air masses are mT, mP, cP, and cT. the letter m meaning maritime or wet. The letter T meaning tropical or warm. The letter c meaning continent or dry. The letter P meaning polar or cold. The air mass most likely to bring a hurrincane is a mT. This is because for a hurricane to form it needs warm water. The air mass that brings a drought is a cT. This is because for a drought to form it has to have dry, warm air. The air mass for a lake-effect snowstorm to form is a cT . Two other types of air masses are highland and arctic. Highland air masses occurs in areas with large elevation changes over short distances. an arctic air mass has the same characteristics as a polar mass but the only difference is that it is colder with lower dewpoints.

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