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WWUS20 KWNS 060643

SEL7

SPC WW 060643

OKZ000-TXZ000-061300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 237

NWS STORM PREDICTION CENTER NORMAN OK

145 AM CDT FRI JUN 6 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL OKLAHOMA

  TEXAS PANHANDLE



* EFFECTIVE THIS FRIDAY MORNING FROM 145 AM UNTIL 800 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES WEST OF

AMARILLO TEXAS TO 45 MILES NORTHEAST OF OKLAHOMA CITY OKLAHOMA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 236...



DISCUSSION...A LARGE CLUSTER OF THUNDERSTORMS HAS DEVELOPED OVER THE

TX PANHANDLE.  THESE STORMS ARE EXPECTED TO ORGANIZE AND SPREAD

EASTWARD ACROSS THE WATCH AREA THROUGH THE MORNING HOURS.  LARGE

CAPE VALUES AND SUFFICIENT WESTERLY MID LEVEL WINDS WILL PROMOTE

ORGANIZED/SUPERCELL STORMS INITIALLY.  STORMS MAY TEND TO ORGANIZE

INTO BOWING SEGMENTS AS THEY SPREAD INTO OK.



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 27030.





...HART

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