SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 396
   NWS STORM PREDICTION CENTER NORMAN OK
   455 PM CDT THU MAY 25 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN ARKANSAS
          SOUTHERN MISSOURI
          NORTHEAST OKLAHOMA
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 455 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST OF
   TULSA OKLAHOMA TO 30 MILES NORTH NORTHEAST OF POPLAR BLUFF
   MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
   
   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 392...WW 393...WW
   394...WW 395...
   
   DISCUSSION...VERY UNSTABLE AIR MASS WITH LITTLE REMAINING CIN ALONG
   AND AHEAD OF FRONTAL ZONE FROM SRN MO WWD.  RAPID DEVELOPMENT OF
   SEVERE THUNDERSTORMS EXPECTED WITH POTENTIAL FOR A FEW SUPERCELLS.
   PRIMARY THREAT WILL BE VERY LARGE HAIL AND DAMAGING DOWNBURST WINDS.
   
   AVIATION...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 26025.
   
   
   ...HALES