A hugh human body of air that has actually the exact same temperature, humidity, and also air push at any kind of given height; A solitary air mass may spread over millions of square km and also be approximately to 10 km deep.

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f1) form north the 50 levels N latitude and south 50 levels S latitude, and2) have actually have high wait pressure
1. Naval air masses: form over oceans/ water evaoporates indigenous oceans, for this reason the air deserve to become really humid2)Continental wait masses: form over land; have less exposure to huge amounts of moisture from body of H2O.; ergo, are more drier than naval air masses
1. Warm humid waiting masses form over tropic oceans.2. Maritime tropical wait masses that form over the Gulf that Mexico and also the Atlantic ocean move 1st toward SE US.3. They then move N and also NE, whereby they influence weather in the central and east US.4. In the west, maritme tropical air masses kind over the Pacific Ocean and mainly influence weather top top the West Coast; together they overcome the coastal mountain ranges, the Pacific air masses lose moisture.5. In summer, naval tropical aire masses usually bring hot, humid weather.6. Numerous summer showers and also thunderstorms in the eastern US develop in wait masses the have created over the Gulf the Mexico;7. In winter, humid wait mass can lug heavy rain or snow.
1. Cool, humid waiting masses from end icy cold N. Pacific and also N. Atlantic oceans2. Naval polar waiting massesd affect the west shore mor climate the eastern Coast3. Also in summer, this masses the cool, humid wait often carry fog, rain,a nd cool temperature to the West Coast




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