Chapter12a - Middle-Latitude Cyclones - I RECAP: Types of...

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Middle-Latitude Cyclones - I
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RECAP: Types of Fronts Cold fronts : cold, dry stable air is replacing  warm, moist unstable air. Moves fast, showers  along the leading edge (squall line). Warm fonts : warm, moist unstable air is  replacing cold dry stable air. Overrunning: warm  air rides up and over the cold air, widespread  cloudiness, light-to-moderate precipitation well  ahead of the front  Stationary   fronts : essentially no  movement, winds blow parallel to the front, in  opposite directions on both sides Occluded fronts: when a cold front  catches up with a warm front (more later) The  symbols  on a map are in the direction of  the air mass motion.
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Formation of an occluded front Cold occlusion
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Weather Map Shown: surface-pressure systems, air masses, fronts, isobars, winds and  air flow (large arrows) Green-shaded area: precipitation
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Weather Map The example from Chapter 1: Fig. 1.14.
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Sample weather maps
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Polar Front Theory A model  of how  mid-latitudes  storms develop: their birth,  growth, and decay. 
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This note was uploaded on 01/26/2012 for the course MET 1010 taught by Professor Matchev during the Spring '08 term at University of Florida.

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Chapter12a - Middle-Latitude Cyclones - I RECAP: Types of...

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