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   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 420
   NWS STORM PREDICTION CENTER NORMAN OK
   315 PM CDT MON MAY 29 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN IOWA
          SOUTHEAST MINNESOTA
          WESTERN WISCONSIN
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 315 PM UNTIL
   1000 PM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH
   NORTHEAST OF MINNEAPOLIS MINNESOTA TO 50 MILES EAST SOUTHEAST OF
   FORT DODGE IOWA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 419...
   
   DISCUSSION...THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS SOUTHEAST
   MN AND NORTHERN IA THIS AFTERNOON AND EVENING...ALONG/AHEAD OF
   SURFACE FRONT. AIR MASS IS VERY MOIST/UNSTABLE WITH DEWPOINTS NEAR
   70F AND MLCAPE OVER 3500 J/KG. ISOLATED SEVERE STORMS CAPABLE OF
   LARGE HAIL AND DAMAGING WINDS ARE ANTICIPATED.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 26025.
   
   
   ...HART