SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 273
   NWS STORM PREDICTION CENTER NORMAN OK
   1130 AM CDT MON MAY 24 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHWEST IOWA
          NORTHWEST MISSOURI
          EASTERN NEBRASKA
   
   EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1130 AM UNTIL 1000
   PM CDT.
   
   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
   
   DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...
   THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
   POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS ALONG AND 135 STATUTE MILES EAST AND
   WEST OF A LINE FROM 65 MILES NORTH NORTHWEST OF OMAHA NEBRASKA TO
   15 MILES SOUTHWEST OF FALLS CITY 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 271...WW 272...
   
   DISCUSSION...ISOLATED INTENSE THUNDERSTORMS ARE EXPECTED TO CONTINUE
   TO INCREASE ACROSS EASTERN NEB...SPREADING INTO PARTS OF NORTHWEST
   MO AND WESTERN IA THROUGH THE EARLY AFTERNOON. THESE STORMS MAY
   BECOME SUPERCELLULAR WITH THE THREAT OF VERY LARGE HAIL AND ISOLATED
   TORNADOES.  MORE SIGNIFICANT TORNADO RISK IS EXPECTED TO DEVELOP BY
   MID AFTERNOON OVER SOUTHEAST NEB AS NEW STORMS DEVELOP RAPIDLY ALONG
   DRYLINE.  THESE STORMS WILL HAVE THE POTENTIAL FOR DAMAGING
   TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
   MEAN STORM MOTION VECTOR 27035.
   
   
   ...HART