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Tornado Watch 423
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WW0423 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 423
   NWS STORM PREDICTION CENTER NORMAN OK
   515 PM CDT FRI JUN 3 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN AND CENTRAL WISCONSIN
   
   EFFECTIVE THIS FRIDAY AFTERNOON FROM 515 PM UNTIL MIDNIGHT CDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST SOUTHWEST OF
   EAU CLAIRE WISCONSIN TO 30 MILES EAST NORTHEAST OF GREEN BAY
   WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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...STORM INITIATION HAS RECENTLY OCCURRED WSW EAU ON THE
   NRN EDGE OF LOW-LEVEL THERMAL AXIS WHERE TEMPERATURES HAS WARMED
   INTO THE LOW/MID 90S.  OBJECTIVE GUIDANCE SUGGESTS THAT A CAP EXISTS
   ACROSS DOWNSTREAM WARM SECTOR...THOUGH IT APPEARS THAT THE STRONG
   DIABATIC HEATING MAY BE SUFFICIENT TO SUSTAIN ISOLATED STORMS PRIOR
   TO 00Z.  AMBIENT ENVIRONMENT IS RATHER MOIST WITH DEWPOINTS IN THE
   MID/UPPER 60S...RESULTING IN MLCAPE OF 2500-3500 J/KG.  AREA
   PROFILER/VWP DATA INDICATE VERTICALLY VEERING WIND PROFILES WITH
   SUFFICIENT LOW AND DEEP-LAYER SHEAR TO SUPPORT SUPERCELLS CAPABLE OF
   TORNADOES...LARGE HAIL AND DAMAGING WIND GUSTS.
   
   AVIATION...TORNADOES AND 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
   550. MEAN STORM MOTION VECTOR 26030.
   
   
   ...MEAD
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