Wednesday, July 13, 2011

Carolinas Heat Wave Coming to Abrupt End !

Today will be the last really hot day in the Carolinas until next week.  We have a strong front that will usher in cooler (and drier air) by Thursday evening, and when Friday morning comes..the rains could be falling! Nice, steady , cooler rains over western Carolinas and northern Georgia.  The setup is a classic "damming" event, where a high pressure nudges down the eastern slopes of the Appalachian chain, and moisture from the Atlantic rushes onshore up into the mountains of the southern Apps.  This process is an efficient light rain maker for most of the western Carolinas and eastern Georgia.  It appears our temperatures are taking a nose dive , resting somewhere in the upper 60's for the mountains and staying in the 70's for the western Piedmont on Friday...so places like Greenville to Charlotte are going from upper 90's to mid 70's?? Thats a 25 degree drop!
Enjoy the much cooler and damper air coming up.  By Sunday, the pattern begins to change and the heat comes back, but so far it doesn't look quite as hot as we've been getting.
Rain totals will be the highest around the best upslope areas of western NC, SC and northeast GA, but many areas of the Carolinas and Georgia will benefit from atleast some rains during these two days. A general 1" rain will be common in places like Spartanburg to Shelby, with a tapering to less amounts further east, and an increase to several inches possible in northeast GA and the southwest mountains of NC.

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