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Mesoscale Discussion 1780
MD 1780 graphic
   
   MESOSCALE DISCUSSION 1780
   NWS STORM PREDICTION CENTER NORMAN OK
   0534 PM CDT FRI JUL 11 2003
   
   AREAS AFFECTED...SERN VA / CENTRAL NC / SC / NERN GA...
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 720...723...
   
   VALID 112234Z - 120000Z
   
   SEVERAL ORGANIZED LINES OF THUNDERSTORMS AND ASSOCIATED SEVERE
   THREAT CONTINUE MOVING EWD ACROSS WW 720 AND 723.  BOTH WATCHES WILL
   LIKELY BE REPLACED WITH A NEW WW SHORTLY.
   
   MODERATELY-UNSTABLE AIRMASS /100 MB MEAN-LAYER CAPE NEAR 2000 J/KG/
   EXISTS ACROSS THE ERN CAROLINAS / SERN VA AHEAD OF SEVERAL ONGOING
   LINES OF STORMS.  THIS COMBINED WITH MODERATELY-STRONG /
   UNIDIRECTIONAL WSWLY DEEP-LAYER WIND FIELD OBSERVED OVER THE REGION
   SUGGESTS THAT STORMS SHOULD REMAIN ORGANIZED / SEVERE AND EVENTUALLY
   REACH THE ATLANTIC COAST.  
   
   WW 720 AND 723 ARE BOTH SCHEDULED TO EXPIRE AT 12/00Z..BUT ONGOING
   CONVECTION IS NOT EXPECTED TO CLEAR THE WATCH AREAS BY THAT TIME. 
   THEREFORE...THESE TWO WATCHES WILL LIKELY BE REPLACED BY A NEW WW
   SOON...COVERING SERN VA AND THE ERN CAROLINAS.
   
   ..GOSS.. 07/11/2003
   
   
   ATTN...WFO...AKQ...MHX...RAH...ILM...CHS...CAE...
   
   32328099 35537975 37557592 35337551 34007769 
   
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