Tuesday, April 7, 2009

Mostly Sunny, Unseasonably Cool

Despite mostly clear skies and dry air overnight, temperatures generally stayed above freezing thanks to a continuous light wind. Still, we're starting off the morning on a very cold note and that will hold true for this afternoon as well. The deep upper air trough responsible for this chilly weather pattern remains entrenched across the Southeast, but this will begin to slide off to the east this afternoon. A few low clouds may skirt across the area early this morning, but skies should be sunny for a large majority of the day. I think the high this afternoon will top out around 55, which will be about 17 degrees below normal. A tight pressure gradient will also allow for wind gusts to exceed 20 mph at times today so it will feel slightly cooler than the actual air temperature. By this evening, the aforementioned trough will slide to the east and a surface high pressure system in the Gulf of Mexico will also gradually slide eastward. This will result in a southerly component to the wind by tonight and should keep temperatures around 35 tomorrow morning. A nice warming trend begins tomorrow and our next shot of rain will arrive Thursday night and Friday.

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