Tuesday, December 22, 2009

High Afternoon Clouds, Mild

It's another cool morning with sub-freezing temperatures around the county, but we'll see a nice rebound in temperatures this afternoon. A surface high to our east will allow for southerly winds today, and in the upper levels, ahead of a digging trough in the Four Corners region, a shortwave ridge will build over the Southeast. Temperatures aloft will be slightly warmer this afternoon than yesterday, but this should still allow highs to jump into the 60s today. The only fly in the ointment preventing maximum heating will be an increase in cirrus clouds as the afternoon progresses. I still expect the high to top out around 61 this afternoon. By this evening and overnight, cloud cover should continue to increase and thicken as a series of subtle upper level disturbances approach the region. Combined with warm air advection, this should allow for the development of some showers across the Arklamiss overnight. However, I expect any rain to remain to our west through sunrise. Expect the overnight low to be much warmer at around 44.

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