Friday, September 30, 2011

Cool Air Mass will succumb to Warm Air in the next week

GFS Ensemble members are indicating that the cool air mass currently in place will be pushed away into the Atlantic, and a warm air mass will take its place, giving cities like Chicago, Milwaukee 70's and sun after a week of clouds and rain. This warm air mass will be around for about 5 days before a front comes through the region (possibly with thunderstorms) and brings temperatures back down again.

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