MESOSCALE DISCUSSION 2193
   NWS STORM PREDICTION CENTER NORMAN OK
   1037 PM CDT SUN SEP 18 2011
   
   AREAS AFFECTED...ARKLATEX INTO CNTRL TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 853...854...
   
   VALID 190337Z - 190430Z
   
   CORRECTED FOR WATCH TYPE
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   853...854...CONTINUES.
   
   NUMEROUS CELL MERGERS AND THUNDERSTORM CLUSTERS HAVE EVOLVED INTO A
   SQUALL LINE FROM SWRN AR...SWWD INTO CNTRL TX.  THIS ACTIVITY IS
   PROPAGATING SEWD AT ROUGHLY 25KT WITH A FEW SURGING SEGMENTS
   ADVANCING UPWARDS OF 30KT TOWARD NWRN LA.  LATEST RADAR DATA
   SUGGESTS HAIL IS THE MOST LIKELY SEVERE THREAT...ESPECIALLY WITH THE
   CONVECTION OVER CNTRL TX...BUT LOCALLY DAMAGING WINDS ARE ALSO
   POSSIBLE AS SQUALL LINE IS SURGING A BIT AND HAS AN OVERALL
   EXPANDING PRECIP SHIELD.  GIVEN ITS CURRENT SPEED IT SHOULD ADVANCE
   TO A POSITION FROM NCNTRL LA...ARCING SWWD TO THE CWA BORDER OF
   FWD/HGX BY 06Z.
   
   ..DARROW.. 09/19/2011
   
   
   ATTN...WFO...LZK...SHV...HGX...FWD...
   
   LAT...LON   32199797 32879505 33849366 33389264 31659360 31189685
               32199797