MESOSCALE DISCUSSION 1193
   NWS STORM PREDICTION CENTER NORMAN OK
   1201 AM CDT THU JUN 18 2009
   
   AREAS AFFECTED...PARTS OF WRN AND CENTRAL SD
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 448...
   
   VALID 180501Z - 180630Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 448
   CONTINUES.
   
   LIMITED SEVERE THREAT CONTINUES ACROSS PARTS OF CENTRAL AND WRN SD.
   
   SCATTERED TO ISOLATED STORMS CONTINUE ACROSS PORTIONS OF WESTERN AND
   CENTRAL SD...WHERE MODEST INSTABILITY CONTINUES.  THE STRONGEST
   STORMS ARE NOW ONGOING OVER PARTS OF NWRN NEB JUST S OF THE WATCH. 
   WHILE THIS CONVECTION IS MOVING GENERALLY EWD...THE NRN-MOST STORMS
   MAY AFFECT SRN PORTIONS OF SD OVER THE NEXT COUPLE OF HOURS.  A FEW
   STRONGER CELLS ARE ALSO ONGOING ENE OF RAPID CITY...WHICH COULD POSE
   AN ISOLATED SEVERE THREAT.
   
   ELSEWHERE...THREAT CONTINUES TO SLOWLY DECREASE ACROSS THE WW AREA.
   
   ..GOSS.. 06/18/2009
   
   
   ATTN...WFO...ABR...UNR...
   
   LAT...LON   45769981 43019970 43060307 44640286 45560186 45769981