Wind, clouds, rain... Most midlatitude weather is a result of the movement of warm tropical air poleward and cold polar air equatorward as the atmosphere acts to reduce the strong temperature gradients in the middle latitudes. The contrast of warm and cold air masses is most pronounced along warm and cold fronts, where most of the weather (clouds and precipitation) is found. We will now build a full picture of the midlatitude, or extratropical, cyclone, the weather system in which this air mass encounter is occurring.
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