THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 

          WESTERN IOWA
          SOUTHERN MINNESOTA
          EASTERN NEBRASKA

   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 440 PM UNTIL 1000
   PM CDT.

   TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

   THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST
   OF A LINE FROM 35 MILES NORTH NORTHEAST OF FAIRMONT MINNESOTA TO
   35 MILES WEST SOUTHWEST OF BEATRICE NEBRASKA.

   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.

   OTHER WATCH INFORMATION...CONTINUE...WW 82...WW 83...WW 84...

   DISCUSSION...VERY STRONG SYSTEM RAPIDLY MOVING NEWD ACROSS PLAIN
   WITH IMPRESSIVE SHEAR ENVIRONMENT IN SUPPORT OF SUPERCELL
   DEVELOPMENT.  SEVERE THUNDERSTORMS HAVE DEVELOPED ALONG/AHEAD OF DRY
   LINE/COLD FRONT SERN SD/ERN NE AND WILL CONTINUE TO INTENSIFY AND
   BECOME MORE NUMEROUS AS 90KT 500 MB WIND MAX CROSSES AREA THIS
   EVENING.  MDT INSTABILITY WITH MLCAPES TO 2000 J/KG SUPPORTS
   TORNADOES AND VERY LARGE HAIL WITH THE SUPERCELLS WITH DAMAGING
   WINDS ENHANCED BY THE RAPID STORM MOTION.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
   MEAN STORM MOTION VECTOR 24045.
 
 

   ...HALES