MESOSCALE DISCUSSION 1896
   NWS STORM PREDICTION CENTER NORMAN OK
   1054 PM CDT SUN AUG 07 2011
   
   AREAS AFFECTED...PORTIONS SERN MO...NERN AR...NWRN TN...WRN
   KY...EXTREME SRN IL.
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 739...740...742...
   
   VALID 080354Z - 080530Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   739...740...742...CONTINUES.
   
   WWS MAY BE CLEARED BEFORE THEIR RESPECTIVE SCHEDULED EXPIRATION
   TIMES...ADN/OR BEHIND EXISTING CONVECTION.
   
   SVR POTENTIAL IS DIMINISHING ACROSS WW AREA AS TSTMS WEAKEN BEHIND
   EXPANSIVE GUST FRONT.  MCS THAT HAS PRODUCED SEVERAL REPORTS OF
   SVR/DAMAGING WIND OVER OZARKS OF S-CENTRAL/SERN MO IS SHOWING MARKED
   SIGNS OF DECAY...WITH ONLY SINGLE DEEP TSTM EVIDENT ALONG NERN
   FRINGE OF COMPLEX AT NEW MADRID COUNTY MO AND SOME ELEVATED
   CONVECTION BACK OVER OZARKS.  THESE TRENDS ARE EVIDENT IN
   REFLECTIVITY ANIMATIONS AND IR IMAGERY...WHERE CLOUD TOP WARMING HAS
   OCCURRED DURING PAST HOUR.  NEARLY SFC-BASED EFFECTIVE INFLOW IS
   BEING DISTANCED PROGRESSIVELY FARTHER FROM REMAINING CONVECTION AS
   GUST FRONT...EVIDENT IN ARC AT 0345Z FROM CROSS/MISSISSIPPI COUNTIES
   AR TO FULTON COUNTY KY AND MISSISSIPPI COUNTY MO.  WIDELY SCATTERED
   TO SCATTERED TSTMS SHOULD CONTINUE BEHIND GUST FRONT...ACCESSING
   ELEVATED BUOYANCY WITH POTENTIAL FOR STG GUSTS AND ISOLATED HAIL. 
   ADDITIONAL DEVELOPMENT MAY OCCUR OVER NWRN TN ALONG OR JUST BEHIND
   GUST FRONT...BEING UNDERCUT BY COLD POOL  SOON THEREAFTER.
   
   ..EDWARDS.. 08/08/2011
   
   
   ATTN...WFO...OHX...PAH...MEG...LSX...LZK...SGF...
   
   LAT...LON   35508984 35659114 36069208 36649245 37359149 37338923
               37408749 36508726 35898794 35508984