SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 96
   NWS STORM PREDICTION CENTER NORMAN OK
   625 PM CDT TUE APR 20 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHWEST IOWA
          EASTERN NEBRASKA
   
   EFFECTIVE THIS TUESDAY EVENING FROM 625 PM UNTIL 1100 PM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
   NORTH AND SOUTH OF A LINE FROM 45 MILES WEST NORTHWEST OF NORFOLK
   NEBRASKA TO 50 MILES EAST SOUTHEAST OF OMAHA NEBRASKA.
   
   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 93...WW 94...WW 95...
   
   DISCUSSION...INTENSE THUNDERSTORMS MOVING RAPIDLY ESE/SE ACROSS ERN
   NEB.  MARGINALLY UNSTABLE AIRMASS COUPLED WITH STEEP LAPSE RATES
   SUPPORT WIND DAMAGE AND LARGE HAIL  AS STORMS CONTINUE TOWARD SERN
   NE/OMA AREA.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
   MOTION VECTOR 27040.
   
   
   ...HALES