SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 402
   NWS STORM PREDICTION CENTER NORMAN OK
   1145 PM CDT SAT JUN 4 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHWEST IOWA
          SOUTHWEST MINNESOTA
          NORTHEAST NEBRASKA
          SOUTHEAST SOUTH DAKOTA
   
   EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1145 PM
   UNTIL 500 AM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 65
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
   STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF
   WORTHINGTON MINNESOTA TO 45 MILES EAST OF COLUMBUS NEBRASKA.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU2).
   
   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...THIS SEVERE THUNDERSTORM WATCH REPLACES
   TORNADO WATCH NUMBER 396. WATCH NUMBER 396 WILL NOT BE IN EFFECT
   AFTER 1145 PM CDT. CONTINUE...WW 397...WW 399...WW 400...WW 401...
   
   DISCUSSION...THUNDERSTORMS EXPECTED TO CONTINUE FORMING IN EXIT
   REGION OF JET STREAK ASSOCIATED WITH CNTRL NEB UPR VORT...WHERE
   THERMODYNAMIC PROFILES SHOULD REMAIN FAVORABLE FOR HAIL AND POSSIBLY
   HIGH WIND.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
   MOTION VECTOR 21025.
   
   
   ...CORFIDI