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Severe Thunderstorm Watch 329
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WW0329 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate High

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 329
   NWS STORM PREDICTION CENTER NORMAN OK
   250 PM CDT SUN MAY 22 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHWEST AND WEST-CENTRAL TEXAS
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 250 PM UNTIL
   1000 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 60
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTH OF
   BROWNWOOD TEXAS TO 75 MILES SOUTH SOUTHWEST OF MIDLAND TEXAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 322...WW 323...WW
   324...WW 325...WW 326...WW 327...WW 328...
   
   DISCUSSION...ISOLATED TSTM DEVELOPMENT IS ANTICIPATED WITHIN THE
   NEXT ONE TO TWO HOURS ALONG WSW-ENE ORIENTED DRYLINE SEGMENT
   PARALLELING I-20...AS WELL AS OVER THE HIGHER TERRAIN OF SOUTHWEST
   TEXAS.  WARM SECTOR AIR MASS IS HOT AND QUITE MOIST WITH MLCAPE
   VALUES UPWARDS OF 3000-4000 J/KG.  WHEN COUPLED WITH 40-45 KT OF
   DEEP WLY SHEAR...SETUP WILL FAVOR THE DEVELOPMENT OF SUPERCELLS
   CAPABLE OF VERY LARGE HAIL AND DAMAGING WIND GUSTS.
   
   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 600. MEAN STORM
   MOTION VECTOR 27020.
   
   
   ...MEAD
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