MESOSCALE DISCUSSION 1211
   NWS STORM PREDICTION CENTER NORMAN OK
   0559 PM CDT MON JUN 13 2011
   
   AREAS AFFECTED...CNTRL MS...FAR SERN AR...FAR NERN LA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 473...
   
   VALID 132259Z - 140000Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 473
   CONTINUES.
   
   FORWARD PROPAGATING MCS CONTINUES TO PUSH S ALONG/E OF THE LOWER MS
   RIVER VALLEY. RECENT RADAR IMAGERY INDICATES OUTFLOW IS BEGINNING TO
   OUTRUN THE LEADING EDGE OF CONVECTION /LIKELY OWING TO WEAKER
   DEEP-LAYER SHEAR WITH SWD PROGRESSION/...WITH CONVECTION BECOMING
   LESS ORGANIZED ACROSS THE MIDDLE PART OF THE LINE. REGARDLESS...A
   DMGG WIND THREAT WILL STILL LIKELY ACCOMPANY OUTFLOW AND TRAILING
   CONVECTION...AS 50+ KTS CONTINUES TO BE OBSERVED ON 0.5 DEG KDGX
   BASE VELOCITY IMAGES. STRONGEST TSTMS APPEAR TO FOCUSED ALONG THE
   WRN/ERN FLANKS OF THE MCS...WITH A LOCALIZED DMGG WIND AND SVR HAIL
   THREAT.
   
   ..ROGERS.. 06/13/2011
   
   
   ATTN...WFO...MOB...JAN...LZK...
   
   LAT...LON   31729152 32689157 33849155 33358966 33608874 33518844
               30918841 31729152