Friday, August 27, 2010

Technical Discussion

Little to update from earlier today.  For Friday there is still a bit of moisture hanging around at 850mb to 800mb, especially to the north and west; and while noticeably less than yesterday, a couple stray clouds could appear with the heating in the afternoon.  Beyond tomorrow, practically no moisture at any level for the forecasting period.  Patchy valley fog seems likely across PA as the ridge parks itself right over us.  The Thurs. 12Z GFS Ensemble shows the ridge beginning to weaken 0Z Wed. and the entrance of a trough for some time next weekend, good shot at rain for the weekend.

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