MESOSCALE DISCUSSION 0827
   NWS STORM PREDICTION CENTER NORMAN OK
   0512 PM CDT THU MAY 08 2008
   
   AREAS AFFECTED...SERN WV...WRN VA...NWRN NC...
   
   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
   
   VALID 082212Z - 082315Z
   
   INTENSIFICATION OF ONGOING CONVECTION IN WV/VA IS EXPECTED AS THE
   LINE SHIFTS EWD. MAIN THREAT WILL BE DMGG WINDS...ALTHOUGH ISOLATED
   TORNADOES WILL BE POSSIBLE AS WELL.
   
   ONGOING CONVECTION ACROSS WV/WRN VA WILL CONTINUE TO SHIFT EWD AHEAD
   OF AN UPPER LOW. GREATER INSTABILITY LIES ON THE LEE OF THE
   APPALACHIANS...WITH SBCAPE VALUES NEAR 1000 TO 1500 J/KG. VAD WIND
   PROFILES SHOW DEEP SHEAR SUPPORTIVE OF DMGG WIND GUSTS...WHILE SLY
   TO SELY SURFACE WINDS AHEAD OF THE LINE COULD PRODUCE AN ISOLATED
   TORNADO OR TWO. ADDITIONAL INTENSIFICATION MAY BE POSSIBLE AS A
   SURFACE LOW...ANALYZED ROUGHLY OVER ERN TN...MOVES ENEWD AND
   PROVIDES ADDITIONAL FORCING TO THE CURRENT CONVECTION.
   
   ..HURLBUT.. 05/08/2008
   
   
   ATTN...WFO...AKQ...LWX...RAH...RNK...RLX...GSP...
   
   35838011 36448117 37418125 38368003 38757921 38257833
   38007828 36217890 35687974