Thursday, December 1, 2011

Thursday Evening Technical Discussion

Synopsis

An area of high pressure currently located over the Ohio River Valley will move into northeast. Behind this, a weak cold front will move through the area on Friday. After the front exits, an area of high pressure will build in for the weekend.  Early next week, a very slow moving cold front will approach the area. It will bring the chance for rain and once it passes; there will be colder temperatures with a chance of snow showers near the end of the period.

 Short Term

With high pressure entrenched over the area, this will promote clear skies and calm winds which will allow low temperatures to fall tonight into Friday morning.  During the day on Friday, a weak cold front will move southeastward and may cause northern zones to flurry. Late Friday into Saturday, a 1036 mb high pressure system will build into the area for Saturday and Sunday. Skies should remain clear with light southerly winds with temperatures a little above normal for Saturday and Sunday.

Long Term

Our attention Sunday into Monday will turn to a system over the Midwest that has a cold front associated with it. Before this cold front moves through, Monday looks to feature mostly cloudy skies and temperatures around normal. This cold front will approach our area Monday night but it will stall there. As a result, we will be sitting right on the stalled frontal boundary. This will result in below normal temperatures and the chance for precipitation on Monday night into Tuesday. As a system develops along this, this will result in some enhanced precipitation during Tuesday night into Wednesday. Behind this front, there is the chance for snow showers.


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