SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 450
   NWS STORM PREDICTION CENTER NORMAN OK
   325 PM CDT SAT JUN 12 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHWEST TEXAS
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
   900 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 75 STATUTE MILES EAST AND WEST
   OF A LINE FROM 40 MILES NORTH NORTHWEST OF ABILENE TEXAS TO 30
   MILES SOUTHEAST OF SANDERSON TEXAS.
   
   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 445...WW 446...WW 447...WW
   448...WW 449...
   
   DISCUSSION...SEVERE THUNDERSTORMS WILL DEVELOP RAPIDLY ALONG DRY
   LINE NEXT FEW HOURS AS MID LEVEL WIND MAX MOVES ACROSS AREA.  WITH
   VERY UNSTABLE AIRMASS...SUPERCELLS ARE LIKELY WITH VERY LARGE HAIL
   AND ISOLATED TORNADOES PRIMARY THREAT.
   
   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 25025.
   
   
   ...HALES