Wednesday, September 30, 2009

Sunny, Slightly Warmer

This is the coolest morning of the season with temperatures running in the upper 40s to near 50. We'll rebound nicely into the 70s this afternoon under sunny skies. Our weather pattern will quickly be changing thanks to a strong upper air trough moving through the Intermountain West. Our upper level trough that brought the cooler weather will have less influence today, and we'll even be on the edge of upper level ridging by late tonight. This will induce weak warming aloft, which will equate to slightly warmer temperatures than yesterday. In fact, highs should top out near 76 this afternoon. As the western trough continues translating eastward, lee side cyclogenesis will commence late this afternoon in northeast Colorado. As a result, winds will begin to veer to the southeast overnight, which should keep temperatures a little warmer overnight. Lows should be near 52 tomorrow morning.

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