SPC MESOSCALE DISCUSSION 1505 FOR SERN SD AND SWRN MN
   CONCERNING...SEVERE THUNDERSTORM WATCH 542...
   
   VALID 281838Z - 282100Z
   
   SEVERE THUNDERSTORM WATCH CONTINUES ACROSS FAR ERN SD...SWRN
   MN...FAR NERN NEB...AND FAR NWRN IA.
   
   AT 28/1830Z...VERY INTENSE STORMS ARE LOCATED ACROSS KINGSBURY AND
   SANBORN COUNTIES IN SERN SD...MOVING GENERALLY ENEWD AT 20-25 KT.
   FSD 0.5 DEG REFLECTIVITY LOOP OVER THE PAST 30 MINUTES INDICATES
   THAT WARM FRONTAL BOUNDARY HAS SHARPENED CONSIDERABLY JUST AHEAD OF
   THESE THUNDERSTORMS. RIGHT TURN OF SUPERCELL THUNDERSTORM OVER
   KINGSBURY COUNTY ALONG THIS BOUNDARY AND RIBBON OF LOCALLY ENHANCED
   LOW-LEVEL SRH WILL BRING A LOCALIZED TORNADO THREAT ACROSS
   KINGSBURY...NRN LAKE...SRN BROOKINGS...AND MOODY COUNTIES IN SERN
   SD DURING THE NEXT 1-2 HOURS...IN ADDITION TO VERY LARGE HAIL AND
   DAMAGING WIND GUSTS. 
   
   ..BANACOS.. 07/28/02