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Tornado Watch 295
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WW0295 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 295
   NWS STORM PREDICTION CENTER NORMAN OK
   140 PM CDT SAT MAY 10 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHEAST OKLAHOMA
          NORTHEAST TEXAS
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
   900 PM CDT.
   
   TORNADOES...HAIL TO 3 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 85 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST SOUTHWEST OF
   ARDMORE OKLAHOMA TO 65 MILES EAST NORTHEAST OF PARIS TEXAS.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
   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 292...WW 293...WW 294...
   
   DISCUSSION...DESTABILIZATION AND LIFT ALONG ADVANCING DRYLINE
   THROUGH LATE THIS AFTERNOON SHOULD SPUR ISOLD TO SCTD SUPERCELL
   DEVELOPMENT ACROSS PARTS OF SERN OK...THE RED RIVER VALLEY...AND
   NERN TX. LOW LEVEL SHEAR AND POTENT INSTABILITY ACROSS THE AREA WILL
   BE SUPPORTIVE OF LONG-LIVED MESOCYCLONES IN ANY DISCRETE
   STORMS/UPDRAFTS THAT DEVELOP. TORNADO THREAT WITH THIS ACTIVITY
   SHOULD INCREASE WITH TIME INTO THE EARLY EVENING. IN ADDITION TO
   VERY LARGE/DAMAGING HAIL...A STRONG TORNADO CANNOT BE RULED OUT
   GIVEN ANTECEDENT CONDITIONS AND MAGNITUDE OF FORCING/SHEAR FORECAST
   TO DEVELOP ACROSS THE WATCH AREA.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 27030.
   
   
   ...CARBIN
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