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Severe Thunderstorm Watch 352
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WW0352 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
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.
   SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 352
   NWS STORM PREDICTION CENTER NORMAN OK
   350 PM CDT MON JUN 8 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EXTREME SOUTHWEST OKLAHOMA
          NORTHWEST TEXAS
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 3 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 70
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES NORTH OF
   BIG SPRING TEXAS TO 40 MILES SOUTHEAST OF WICHITA FALLS TEXAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU2).
   
   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 350...WW 351...
   
   DISCUSSION...RAPID THUNDERSTORM DEVELOPMENT IS EXPECTED ALONG A
   PRE-FRONTAL TROUGH ACROSS NW TX FROM 21-22Z...AND ADDITIONAL STORMS
   COULD FORM LATER THIS EVENING ALONG THE SYNOPTIC COLD FRONT FARTHER
   NE INTO SW OK.  STRONG INSTABILITY AND A WEAKENING CAP ACROSS NW TX
   THROUGH DAYTIME HEATING/MIXING...AND THE APPROACH OF A SUBTLE
   MID-UPPER LEVEL SPEED MAX FROM SE NM...WILL SUPPORT AT LEAST
   SCATTERED SEVERE STORMS THROUGH EARLY TONIGHT.  MLCAPE IN EXCESS OF
   3000 J/KG AND EFFECTIVE BULK SHEAR OF AT LEAST 40 KT WILL FAVOR
   SUPERCELLS CAPABLE OF PRODUCING VERY LARGE HAIL AND DAMAGING WINDS. 
   RELATIVELY LARGE TEMPERATURE-DEW POINT SPREADS AND STORM
   MERGERS/UPSCALE GROWTH LATER THIS EVENING WILL ALSO SUPPORT AN
   INCREASING THREAT OF DAMAGING WINDS.  ANY TORNADO THREAT WILL LIKELY
   BE LIMITED BY THE RELATIVELY HIGH LCL HEIGHTS AND SOMEWHAT MODEST
   LOW-LEVEL SHEAR.
   
   AVIATION...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 550. MEAN STORM
   MOTION VECTOR 27020.
   
   
   ...THOMPSON
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