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Tornado Watch 254
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WW0254 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate 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.
   SEL4

   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 254
   NWS STORM PREDICTION CENTER NORMAN OK
   255 PM CDT THU MAY 30 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     NORTHWEST AND NORTH-CENTRAL TEXAS

   * EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 255 PM UNTIL
     1000 PM CDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL TORNADOES POSSIBLE
     SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO
       2.5 INCHES IN DIAMETER POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
   MILES EAST AND WEST OF A LINE FROM 80 MILES NORTH OF MINERAL
   WELLS TEXAS TO 50 MILES WEST SOUTHWEST OF MINERAL WELLS TEXAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU4).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 250...WW 251...WW
   252...WW 253...

   DISCUSSION...ISOLATED STORM DEVELOPMENT IS ANTICIPATED ALONG THE
   DRYLINE THIS AFTERNOON WITHIN A STRONGLY UNSTABLE AIR MASS WITH
   MLCAPE OF AROUND 3000 J/KG.  WHEN COUPLED WITH A VERTICALLY VEERING
   WIND PROFILE WITH 50 KT OF EFFECTIVE SHEAR...THE POTENTIAL WILL
   EXIST FOR SUPERCELLS CAPABLE OF VERY LARGE HAIL.  THE TORNADO THREAT
   IS EXPECTED TO INCREASE BY LATE AFTERNOON INTO THIS EVENING AS
   LOW-LEVEL SHEAR INCREASES IN RESPONSE TO AN INTENSIFYING LLJ.

   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 28025.


   ...MEAD
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Page last modified: May 31, 2013
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