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634 

WWUS20 KWNS 252148

SEL4

SPC WW 252148

KSZ000-OKZ000-TXZ000-260600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 444

NWS STORM PREDICTION CENTER NORMAN OK

445 PM CDT THU JUL 25 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN KANSAS

  NORTHWEST OKLAHOMA AND THE OKLAHOMA PANHANDLE

  NORTHERN TEXAS PANHANDLE



* EFFECTIVE THIS THURSDAY AFTERNOON AND FRIDAY MORNING FROM 445

  PM UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A FEW TORNADOES POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH

NORTHEAST OF HILL CITY KANSAS TO 20 MILES WEST SOUTHWEST OF

BORGER TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 443...



DISCUSSION...TSTMS NOW FORMING IN WRN KS NEAR NNE-SSW BOUNDARY

EXPECTED TO MOVE/DEVELOP GENERALLY ESE THOUGH LATE TNGT AS MODEST

LOW-LVL DESTABILIZATION CONTINUES AHEAD OF LOW-AMPLITUDE DISTURBANCE

TRACKING ESE FROM CO/WY. A COMPLEX MIX OF STORM TYPES...INCLUDING A

FEW SUSTAINED STORMS AND SUPERCELLS...ARE EXPECTED...WITH A RISK FOR

SVR HAIL...WIND...AND POSSIBLE A TORNADO /THE LATTER MAINLY IN NRN

KS/. THE STORMS SHOULD CONSOLIDATE INTO A SE OR

SSE-MOVING...FORWARD-PROPAGATING MCS TNGT.



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 500. MEAN STORM

MOTION VECTOR 30015.





...CORFIDI

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