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908 

WWUS20 KWNS 122311

SEL5

SPC WW 122311

OKZ000-TXZ000-130600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 555

NWS STORM PREDICTION CENTER NORMAN OK

515 PM CST SAT DEC 12 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHWEST OKLAHOMA

  WEST TEXAS



* EFFECTIVE THIS SATURDAY AFTERNOON FROM 515 PM UNTIL MIDNIGHT

  CST.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY

  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...A LINE OF STRONG TO SEVERE THUNDERSTORMS WILL DEVELOP THIS

EVENING OVER WEST TX...TRACKING QUICKLY EASTWARD ACROSS THE WATCH

AREA.  LOCALLY DAMAGING WINDS ARE THE MAIN THREAT...ALONG WITH SOME

HAIL IN THE STRONGEST CELLS.  AN ISOLATED TORNADO CANNOT BE RULED

OUT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95

STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES WEST

SOUTHWEST OF JUNCTION TEXAS TO 60 MILES NORTH OF CHILDRESS TEXAS.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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.



&&



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION

VECTOR 25040.





...HART

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