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Tornado Watch 357
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WW0357 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High 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.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 357
   NWS STORM PREDICTION CENTER NORMAN OK
   130 PM CDT TUE JUN 9 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          EXTREME SOUTHEAST KANSAS
          SOUTHWEST AND SOUTH CENTRAL MISSOURI
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 130 PM UNTIL
   1000 PM CDT.
   
   TORNADOES...HAIL TO 2.5 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 50 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST NORTHWEST OF
   JOPLIN MISSOURI TO 45 MILES NORTHEAST OF WEST PLAINS MISSOURI. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU7).
   
   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 354...WW 355...WW 356...
   
   DISCUSSION...THE EARLIER ELEVATED CONVECTION IN ERN KS APPEARS TO BE
   EVOLVING INTO A SURFACE-BASED...HP SUPERCELL TO THE NE OF CNU AS THE
   WARM FRONT LIFTS NWD INTO SW MO/SE KS WITH STRONG LOW-LEVEL
   DESTABILIZATION.  THE COMBINATION OF MLCAPE NEAR 3000 J/KG AND
   EFFECTIVE BULK SHEAR IN EXCESS OF 50 KT WILL FAVOR PERSISTENT
   SUPERCELLS CAPABLE OF PRODUCING VERY LARGE HAIL AND DAMAGING WINDS
   THROUGH THE AFTERNOON/EVENING.  ADDITIONALLY...THE PRESENCE OF 68-70
   F DEW POINTS AND ENHANCED LOW-LEVEL SHEAR ALONG THE WARM FRONT WILL
   BE SUPPORTIVE OF TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   550. MEAN STORM MOTION VECTOR 29030.
   
   
   ...THOMPSON
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