SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 329
   NWS STORM PREDICTION CENTER NORMAN OK
   740 AM CDT SUN MAY 30 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN AND CENTRAL ILLINOIS
   
   EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 740 AM UNTIL 100
   PM CDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST
   OF A LINE FROM 50 MILES NORTH OF BLOOMINGTON ILLINOIS TO 35 MILES
   SOUTH OF SPRINGFIELD ILLINOIS.
   
   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...THUNDERSTORM MOVING INTO WCENTRAL IL ARE INTENSIFYING
   AS VERY MOIST UNSTABLE AIR MASS SURGES NWD AHEAD OF SURFACE LOW AND
   FRONT. WARM FRONT SHIFTING NWD THRU CENTRAL IL WILL PROVIDE ENHANCE
   CONVERGENCE AND LOW LEVEL SHEAR FOR SUPERCELL DEVELOPMENT.  DAMAGING
   WINDS WILL BE ASSOCIATED WITH SHORT LINES/BOWS ALONG WITH ISOLATED
   TORNADOES WITH THE SUPERCELLS.
   
   AVIATION...TORNADOES AND 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 550.
   MEAN STORM MOTION VECTOR 24035.
   
   
   ...HALES