WA AIR MASS ANALYSIS 
Bergeron’s Model of the Warm-Front-Type Occlusion 
(Characteristic of Western Europe, Western North and South America, 
temperate zones) 
Sime VP 
Van 
Cad "Bw 
a 
Sian 
Zia _| 
Ty 
S 
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N\ 
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% 
n 
Vertical 
