

000 

WWUS20 KWNS 220403

SEL3

SPC WW 220403

SDZ000-WYZ000-220400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH - NUMBER 283

NWS STORM PREDICTION CENTER NORMAN OK

1103 PM CDT MON MAY 21 2007



THE NWS STORM PREDICTION CENTER HAS CANCELLED

SEVERE THUNDERSTORM WATCH NUMBER 283 ISSUED AT 255 PM CDT FOR PORTIONS OF



         SOUTH DAKOTA

         WYOMING

