MESOSCALE DISCUSSION 1080
   NWS STORM PREDICTION CENTER NORMAN OK
   0322 PM CDT FRI JUN 12 2009
   
   AREAS AFFECTED...CNTRL AR INTO SWRN TN AND NRN MS
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 388...
   
   VALID 122022Z - 122145Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 388
   CONTINUES.
   
   THROUGH 22Z...THE POTENTIAL FOR WIDESPREAD DAMAGING WINDS WILL EXIST
   ALONG THE I-40 CORRIDOR FROM E OF LIT TO NEAR OR S OF MEM.
   
   A CLASSIC BOW ECHO REMAINS IN PROGRESS THIS AFTERNOON ALONG
   IMMEDIATE COOL SIDE OF SURFACE BOUNDARY WITH THE CREST OF THE BOW
   LOCATED OVER WHITE AND LONOKE COUNTIES AS OF 2010Z.  SYSTEM MOTION
   WAS 280/50-55 KT WITH EXTRAPOLATION TAKING IT ALONG THE I-40
   CORRIDOR NEAR OR S OF MEM BY 22Z.  INFLOW AIR MASS REMAINS
   HOT...QUITE MOIST AND VERY UNSTABLE WITH MLCAPE OF 2500-3500 J/KG.
   GIVEN THE STRONG INSTABILITY AND WELL-ORGANIZED NATURE OF SYSTEM
   COLD POOL...MCS WILL REMAIN CAPABLE OF SWATHS OF SIGNIFICANT WIND
   DAMAGE AS IT CONTINUES ESEWD TOWARD THE MS RIVER.
   
   ..MEAD.. 06/12/2009
   
   
   ATTN...WFO...MEG...JAN...LZK...SHV...
   
   LAT...LON   34469330 34989322 35879263 36269231 36089123 35258837
               34328844 33578879 33099191 33489277 34039322 34469330