SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 471
   NWS STORM PREDICTION CENTER NORMAN OK
   1220 PM CDT MON JUN 13 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHERN AND WESTERN MINNESOTA
          EASTERN SOUTH DAKOTA
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1220 PM UNTIL 800
   PM CDT.
   
   TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 65 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MILES
   EAST AND WEST OF A LINE FROM 45 MILES SOUTH SOUTHEAST OF MITCHELL
   SOUTH DAKOTA TO 25 MILES NORTHEAST OF ALEXANDRIA MINNESOTA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU1).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   DISCUSSION...THREAT WILL EXIST FOR LOW TOPPED SUPERCELLS/LOW TOPPED
   STORMS WITH LOW LEVEL ROTATION AND POSSIBLE TORNADOES THIS AFTERNOON
   AS NWD MOTION OF DRY SLOT /ASSOCIATED WITH NEB CLOSED LOW/ ALLOWS
   FOR STEEPENING OF LOW LEVEL LAPSE RATES.  GREATEST THREAT FOR SUCH
   DEVELOPMENT WOULD APPEAR TO BE ALONG INVERTED TROUGH EXTENDING NE
   FROM SE SD SURFACE LOW INTO W CNTRL MN.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 55 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   450. MEAN STORM MOTION VECTOR 20025.
   
   
   ...CORFIDI