MESOSCALE DISCUSSION 0740
   NWS STORM PREDICTION CENTER NORMAN OK
   0357 PM CDT WED MAY 11 2011
   
   AREAS AFFECTED...ERN KS...WRN MO
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 279...
   
   VALID 112057Z - 112145Z
   
   CORRECTED FOR MCD GRAPHIC.
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 279
   CONTINUES.
   
   A SVR TSTM WATCH REPLACING WW 279 WILL NEED TO BE ISSUED SHORTLY TO
   INCLUDE ERN KS AND WRN MO. DESTABILIZATION CONTINUES EAST OF WW
   279...WITH MLCAPE VALUES OF 2000-3000 J/KG. THE EFFECTS OF
   LARGE-SCALE ASCENT ASSOCIATED WITH DEEP-LAYER TROUGH OVER THE CNTRL
   ROCKIES ARE BECOMING EVIDENT BY RECENT UPWARD TRENDS IN CONVECTION
   ACROSS NERN KS AND NWRN MO...AND THIS WILL CONTINUE WITH INCREASING
   UPPER SUPPORT. LARGE HAIL AND DMGG WINDS WILL BE THE MAIN THREATS
   WITH MULTICELLULAR CLUSTERS.
   
   ..COHEN.. 05/11/2011
   
   
   ATTN...WFO...SGF...EAX...OAX...TOP...ICT...
   
   LAT...LON   36999505 38019653 39549679 40489594 40459417 39469303
               37249315 36999505