MESOSCALE DISCUSSION 1911
   NWS STORM PREDICTION CENTER NORMAN OK
   0221 AM CDT TUE AUG 09 2011
   
   AREAS AFFECTED...EASTERN OK/MUCH OF AR/NORTHERN MS
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 751...752...
   
   VALID 090721Z - 090845Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   751...752...CONTINUES.
   
   SEVERE TSTM WATCHES 751/752 WILL BE ALLOWED TO EXPIRE AS SCHEDULED
   AT 08Z.
   
   SCATTERED TSTMS WILL CONTINUE TO DEVELOP/SPREAD SOUTHEASTWARD
   THROUGH THE EARLY MORNING HOURS ACROSS PORTIONS OF EASTERN OK AND AR
   TO WESTERN TN AND NORTHERN PORTIONS OF MS/AL. AMID A MODEST WARM
   ADVECTION REGIME...THIS ACTIVITY IS GENERALLY OCCURRING ATOP A
   SURFACE COLD POOL. COOLING/CONVECTIVELY OVERTURNED NATURE OF THE LOW
   LEVEL AIRMASS AND MODEST INSTABILITY/WARM ADVECTION OTHERWISE
   SUGGESTS NOTHING BEYOND AN ISOLATED HAIL/WIND THREAT...WITH LOCALLY
   HEAVY RAINFALL OTHERWISE POSSIBLE. AS SUCH...WATCHES 751/752 WILL BE
   ALLOWED TO EXPIRE AS SCHEDULED.
   
   ..GUYER.. 08/09/2011
   
   
   ATTN...WFO...MEG...JAN...LZK...SGF...TSA...OUN...
   
   LAT...LON   36699537 36449384 36159272 35559229 34768949 34008953
               33959163 34599369 34739557 35459675 36699537