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Severe Thunderstorm Watch 136
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WW0136 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
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.
   SEL6

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 136
   NWS STORM PREDICTION CENTER NORMAN OK
   500 PM CDT FRI MAY 9 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     SOUTH TEXAS
     COASTAL WATERS

   * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 500 PM UNTIL
     1100 PM CDT.

   * PRIMARY THREATS INCLUDE...
     ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
     ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST
   SOUTHWEST OF LAREDO TEXAS TO 65 MILES SOUTH SOUTHEAST OF CORPUS
   CHRISTI TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 135...

   DISCUSSION...THUNDERSTORM CLUSTERS ARE EXPECTED TO SPREAD ESEWD
   ACROSS S TX THROUGH LATE EVENING AS A RESULT OF MULTIPLE
   STORM/OUTFLOW MERGERS...IN ADVANCE OF A SHORTWAVE TROUGH OVER NE
   MEXICO.  STRONG INSTABILITY IS PRESENT OVER S TX WITH SUFFICIENT
   DEEP-LAYER VERTICAL SHEAR FOR ORGANIZED CLUSTERS/SUPERCELLS AND AN
   ATTENDANT RISK FOR LARGE HAIL/DAMAGING WINDS.

   AVIATION...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 29020.


   ...THOMPSON
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Page last modified: May 10, 2014
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