MESOSCALE DISCUSSION 0933
   NWS STORM PREDICTION CENTER NORMAN OK
   0327 PM CDT TUE MAY 24 2011
   
   AREAS AFFECTED...MIDDLE/ERN TN...SERN KY...SWRN VA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 357...
   
   VALID 242027Z - 242130Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 357
   CONTINUES.
   
   ONGOING TSTM CLUSTERS WILL POSE A RISK FOR DAMAGING WINDS...SEVERE
   HAIL AND PERHAPS A BRIEF TORNADO AS ACTIVITY LIKELY EVOLVES EWD AS
   THE AIR MASS CONTINUES TO RECOVER IN THE WAKE OF AN EARLIER MCS THIS
   MORNING. INTERPOLATED VWP DATA FROM JKL/MRX SUGGEST 30-45 KT W/SWLYS
   AT 2-4 KM AGL WILL REMAIN FAVORABLE FOR ORGANIZED STRUCTURES AND
   POSSIBLE UPSCALE GROWTH TO AN MCS AS THE SURFACE COLD POOL
   STRENGTHENS.
   
   UPSTREAM IN MIDDLE TN...A DEEP CU FIELD AND SHOWERS PERSIST. THIS
   ACTIVITY MAY STRUGGLE TO DEVELOP INTO TSTMS GIVEN SUBSIDENCE
   APPARENT IN WATER VAPOR IMAGERY IN THE WAKE OF A MID-LEVEL
   IMPULSE/REMNANT MCV AND RATHER WEAK LOW-LEVEL CONVERGENCE.
   
   ..GRAMS.. 05/24/2011
   
   
   ATTN...WFO...RNK...RLX...GSP...MRX...JKL...OHX...
   
   LAT...LON   36258575 36588502 36948359 37428196 37508162 37088143
               36668163 36338192 36038263 35968387 36018476 36048545
               36258575