GEOG 1010 Lecture Notes - Lecture 4: Freezing Rain, Squall, Thrust Stage
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If ai(cid:396) (cid:373)ass de(cid:448)elop a(cid:271)o(cid:448)e o(cid:272)ea(cid:374), it"ll (cid:271)e (cid:373)oist. If air mass develops above continental canada, itll be dry. If ai(cid:396) (cid:373)ass de(cid:448)elop a(cid:271)o(cid:448)e e(cid:395)uato(cid:396) it"ll (cid:271)e (cid:449)a(cid:396)(cid:373) a(cid:374)d (cid:272)old a(cid:271)o(cid:448)e a(cid:396)(cid:272)ti(cid:272) These air masses migrate and travel over different cities. Air masses above arctic can bring cold and dry air towards your city. Both of these are cold and dry. Cold air is colder than surrounding environment so this is stable. If maritime polar is affecting your city, they are unstable and will most likely have clouds and rain. Lower latitudes have continental tropical and maritime tropical and can move towards. Contininental tropical is high temperature but dry. Maritime tropical is warm and moist and are associated with high precipitation (have a lot of moisture) Be aware of these examples (abbreviation or no abbreviation) and no their properties and whether they are stable or unstable. East coast or west coast is maritime polar.
