MESOSCALE DISCUSSION 0907
   NWS STORM PREDICTION CENTER NORMAN OK
   0602 PM CDT MON MAY 23 2011
   
   AREAS AFFECTED...ERN/SRN VA...NRN NC
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 344...
   
   VALID 232302Z - 240000Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 344
   CONTINUES.
   
   WV IMAGERY CONTINUES TO SHOW AN UPPER IMPULSE RAPIDLY MOVING E
   ACROSS THE UPR OH VALLEY. ASCENT ASSOCIATED WITH THIS FEATURE WILL
   GRAZE PORTIONS OF ERN/SRN VA AND NRN NC DURING THE NEXT FEW
   HRS...THOUGH STORM COVERAGE WILL LIKELY REMAIN ISOLATED WITH THE
   LOSS OF DAYTIME HEATING. ONGOING STORMS AS WELL AS ADDITIONAL
   DEVELOPMENT WILL CONTINUE TO POSE A SVR WEATHER THREAT GIVEN
   WARM/MOIST BOUNDARY LAYER WITH MLCAPE VALUES LOCALLY IN EXCESS OF
   2000 J/KG...AND EFFECTIVE BULK SHEAR VALUES AROUND 35 KT. THIS
   ENVIRONMENT WILL FAVOR STRONG/SVR MULTICELL AND SUPERCELL
   DEVELOPMENT POSING A THREAT FOR LARGE HAIL/DAMAGING WINDS AND
   PERHAPS A BRIEF TORNADO THROUGH THE EVENING.
   
   ..GARNER.. 05/23/2011
   
   
   ATTN...WFO...AKQ...LWX...RAH...RNK...GSP...
   
   LAT...LON   37997869 37997602 35417841 35438097 36797999 37997869