Wednesday, July 29, 2009

Rainfall Potential July 29-30, 2009


A cold front will be advancing towards the region. This cold front will be approaching Ohio by about 2 PM tomorrow afternoon and be close to the region on thursday. This cold front will then stall out across the region. Meanwhile the mean trough is going to be situated over the Great Lakes region. Due to the circulation around this low pressure..mid level impulses will continue to rotate across the region. One such impulse with be attending the cold front and another impulse will develop around or about washington DC area. This impulse will bring the potential for heavier rains tomorrow evening. Before the heavy rains move in to the region..we will be dealing with thunderstorms that will break out ahead of and also along the advancing cold front. Temperatures across the area tomorrow will be in the 80-90 degree range and dewpoints will be running high with them in the mid 60s to the lower 70s range...

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