Wednesday, September 2, 2009

Mostly Cloudy, Light Showers Possible

Cloud cover had an even greater impact overnight than I anticipated as temperatures are running in the upper 60s. Despite the upper level look on the weather maps this morning, our weather pattern is a bit more complex than it seems. In the upper levels, a disturbance is approaching the area and should enhance uplift this afternoon. Meanwhile, at the surface, an inverted trough is approaching from the east. These two entities will act in tandem to generate a few isolated afternoon showers today. Skies will be mostly cloudy today, but temperatures should be able to top out near 80 this afternoon. However, if skies remain cloudy all day and there is greater coverage of precipitation than I expect, highs will be a couple of degrees cooler. Although model guidance doesn't show much in the way of rain overnight, I still think a slight chance of light showers is warranted with lift being generated from the surface and aloft. With cloudy skies overnight, lows should drop to near 65 tomorrow morning.

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