MESOSCALE DISCUSSION 0547
   NWS STORM PREDICTION CENTER NORMAN OK
   0417 AM CDT SUN APR 24 2011
   
   AREAS AFFECTED...OK
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 191...
   
   VALID 240917Z - 240945Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 191
   CONTINUES.
   
   UNLESS A LOCAL EXTENSION IS DESIRED...PLAN IS TO ALLOW SEVERE TSTM
   WATCH 191 EXPIRE AT 10Z. THE STRONGER STORMS DEVELOPING WITHIN THE
   WARM ADVECTION REGIME ACROSS OK WILL CONTINUE TO POSE A THREAT FOR
   ISOLATED HAIL NEXT FEW HOURS. HOWEVER...COVERAGE OF SEVERE EVENTS IS
   EXPECTED TO REMAIN SPARSE...AND OVERALL THREAT APPEARS SOMEWHAT
   MARGINAL FOR ANOTHER WW AT THIS TIME.
   
   ..DIAL.. 04/24/2011
   
   
   ATTN...WFO...TSA...OUN...
   
   LAT...LON   36869516 35419484 34459630 34659742 35179883 35439973
               36089896 36869516