Image: NWS weather fronts
Description: Weather fronts cold front warm front stationary front occluded front surface trough squall line dry line tropical wave trowal (Trough of warm air aloft by Canadian Avalanche Association and World Meteorological Organisation)
Title: NWS weather fronts
Credit: w:en:Image:NWSweatherfronts.gif, [1]Hydrometeorological Prediction Center, Camp Springs, MD. Updated with Trowal on 2013-08-28
Author: cs:User:-xfi-
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