Monday, September 16, 2013

Forecast Discussion 9/16/13 Afternoon Shift

A very pleasant week is in store for the commonwealth, with seasonable temperatures and sun lasting until later in the week. A low pressure system lurks north of the border, ready to drag a trough bringing showers and thunderstorms through Pennsylvania.

Short Term (Mon-Wed)
Showers Monday morning effectively drained the atmosphere of any moisture still present, setting up for a dry and sunny forecast for the next couple of days. A high pressure ridge looks to be taking the place of the trough from the previous weekend. Temperatures will steadily climb through the 70s across the state, while southern portions of Pennsylvania may be slightly warmer. Sun and possibly a few passing clouds are the story for the earlier portion of the week, so it looks to be a pleasant forecast.

Long Term (Wed-Fri)
Wednesday evening heading into Thursday sees a slight increase in the relative humidity in the lower levels of the atmosphere. A few clouds are possible throughout the day and night on Thursday for most of the state. Temperatures will reach their peak on Friday, with areas around Philadelphia and Pittsburgh reaching close to 80 degrees. Friday evening sees the progression of a cold front, bringing showers and possibly some strong thunderstorms for Friday heading into Saturday as well.

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