SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 253
   NWS STORM PREDICTION CENTER NORMAN OK
   450 PM CDT WED MAY 11 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EXTREME EAST KANSAS
          CENTRAL MISSOURI
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 450 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 30
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHWEST OF
   OLATHE KANSAS TO 15 MILES NORTH OF VICHY MISSOURI.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU3).
   
   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 245...WW 247...WW 248...WW
   249...WW 250...WW 251...WW 252...
   
   DISCUSSION...LINE OF STRONG/SEVERE THUNDERSTORMS IS SLOWLY SAGGING
   SOUTHWARD ACROSS CENTRAL MO AND EASTERN KS.  ACTIVITY WILL CONTINUE
   TO POSE A THREAT OF ISOLATED LARGE HAIL AND DAMAGING WINDS FOR
   ANOTHER FEW HOURS...UNTIL DRIER AIRMASS OVER SOUTHWEST MO ADVECTS
   INTO REGION.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 27025.
   
   
   ...HART