Wednesday, October 19, 2011

Wednesday Night Discussion

Synopsis: A larger scale weather system pounding the eastern portion of the country with rain and wind will begin to move out of the picture. Cooler temperatures and breezy conditions can be expected in the wake of the storm. A ridge will build in Saturday, bringing slightly warmer temperatures and dry conditions for the weekend.
 
Short Term: Showers and batches of heavier rain can be expected overnight due to the passing of an occluded front, extending from the strong surface low in the ohio valley out towards the D.C. area. Embedded thunder is not out of the question. As the low begins to weaken and depart on Thursday, cold air advection will bring cooler temperatures. Strato form clouds will envelop the state, with eastern zones seeing frequent showers. Showers may persist into Friday with the possibility of a rain snow mix in the higher elevations of southwest PA.
 
Long Term: High pressure will move in behind the system, bringing dry conditions and a slight moderation in temperatures for the weekend. The Commonwealth will not see perfectly sunny skies, as there will be more of a mix of stratocumulous clouds and sun. Forecast confidence leading into next week is not very high. However, there seems to be a chance of showers with the passage of some energy on Monday.



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