MESOSCALE DISCUSSION 1910
   NWS STORM PREDICTION CENTER NORMAN OK
   1127 PM CDT MON AUG 08 2011
   
   AREAS AFFECTED...PORTIONS SERN AR...NWRN MS.
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 752...
   
   VALID 090427Z - 090600Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 752
   CONTINUES.
   
   DESPITE TRENDS WITH CONVECTION CURRENTLY IN THIS AREA...WW SHOULD BE
   CONTINUED PENDING TRENDS WITH STG-SVR TSTMS NW OF WW MOVING TOWARD
   THIS AREA.
   
   OVERALL WEAKENING TREND IS EVIDENT WITH CONVECTION OVER THIS
   AREA...ALTHOUGH BRIEF/ISOLATED GUST NEAR SVR LEVELS STILL IS
   POSSIBLE WITH ACTIVITY OVER ARKANSAS COUNTY AR.  MODIFIED LZK RAOB
   SUGGESTS SHALLOW OUTFLOW POOL IS OVERLAIN BY REMNANTS OF
   WELL-MIXED/PRE-STORM BOUNDARY LAYER...THROUGH WHICH EVAPORATIVE
   COOLING/ACCELERATION POTENTIAL MAY STILL EXIST.  THIS THREAT WILL
   BECOME MORE MRGL/CONDITIONAL WITH TIME.  HOWEVER...SVR THREAT MAY
   INCREASE OVER PORTIONS WW AREA BEFORE SCHEDULED 8Z EXPIRATION TIME
   IN ASSOCIATION WITH CONVECTION NOW MOVING SEWD FROM OK AND NWRN AR. 
   REF CONCURRENTLY VALID SPC MESOSCALE DISCUSSION 1909 FOR MORE
   DETAILS ON THAT REGIME.
   
   ..EDWARDS.. 08/09/2011
   
   
   ATTN...WFO...MEG...JAN...LZK...
   
   LAT...LON   35069143 34868934 33638972 33609149 33719187 35069143