MESOSCALE DISCUSSION 0809
   NWS STORM PREDICTION CENTER NORMAN OK
   1246 AM CDT WED MAY 13 2009
   
   AREAS AFFECTED...SERN SD...NEB
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 291...
   
   VALID 130546Z - 130615Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 291
   CONTINUES.
   
   ...CONDITIONS MAY WARRANT A SEVERE THUNDERSTORM WATCH DOWNSTREAM...
   
   NUMEROUS THUNDERSTORMS CONTINUE FROM NCNTRL INTO SWRN
   NEB...PRIMARILY OVER SERN PORTIONS OF WW291.  THIS ACTIVITY SHOULD
   CONTINUE WELL INTO THE EARLY MORNING HOURS AS LLJ/WAA SHIFT INTO THE
   MID MO VALLEY REGION.  ALTHOUGH HAIL LIKELY ACCOMPANIES SEVERAL OF
   THE STRONGER UPDRAFTS IT/S NOT ENTIRELY CLEAR WHETHER SEVERE THREAT
   WILL BE WIDESPREAD ENOUGH TO WARRANT ANOTHER WATCH DOWNSTREAM.
   
   ..DARROW.. 05/13/2009
   
   
   ATTN...WFO...FSD...OAX...GID...LBF...
   
   LAT...LON   40880118 42899894 42599654 41479729 40649896 40880118