MESOSCALE DISCUSSION 1971
   NWS STORM PREDICTION CENTER NORMAN OK
   0902 AM CDT THU AUG 12 2004
   
   AREAS AFFECTED...NERN GA / SC INTO SRN NC
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 121402Z - 121530Z
   
   POTENTIAL FOR ISOLATED TORNADOES INCREASING AND A WW MAY BE REQUIRED
   IN THE NEXT HOUR OR TWO.
   
   REGIONAL RADAR IMAGERY SHOWS TSTMS INCREASING IN COVERAGE AND
   INTENSITY FROM PARTS OF CNTRL/SRN GA NEWD ACROSS SC. THIS ACTIVITY
   IS DEVELOPING IN A VERY MOIST AND MODERATELY UNSTABLE AIRMASS WITH
   MLCAPES OF 1000-1500 J/KG. MOREOVER...LATEST MESOANALYSIS INDICATES
   WEAK SURFACE LOW ALONG SURFACE BOUNDARY E OF ATL WHICH IS
   EFFECTIVELY BACKING SURFACE WINDS ACROSS NERN GA AND MUCH OF SC.
   MODIFICATION OF CHARLESTON VWP WITH THESE CURRENT SURFACE WIND
   OBSERVATIONS YIELDS 100-150 M2/S2 0-1KM SRH AND 35-40KTS OF
   DEEP-LAYER SHEAR. GIVEN THE VERY MOIST BOUNDARY-LAYER AND RESULTANT
   LOW LCL/LFC HEIGHTS...POTENTIAL WILL EXIST FOR SUPERCELLS AND
   ISOLATED TORNADOES. CONVECTIVE TRENDS WILL BE MONITORED AND A WW MAY
   BE REQUIRED IN THE NEXT ONE TO TWO HOURS.
   
   ..MEAD.. 08/12/2004
   
   
   ATTN...WFO...RAH...ILM...CHS...CAE...GSP...FFC...
   
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