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WWUS20 KWNS 252350

SEL9

SPC WW 252350

KSZ000-OKZ000-TXZ000-260500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 299

NWS STORM PREDICTION CENTER NORMAN OK

655 PM CDT FRI MAY 25 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CENTRAL KANSAS

       WESTERN OKLAHOMA

       EASTERN TEXAS PANHANDLE



EFFECTIVE THIS FRIDAY NIGHT FROM 655 PM UNTIL MIDNIGHT CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES WEST OF ALTUS

OKLAHOMA TO 65 MILES EAST NORTHEAST OF DODGE CITY KANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU9).



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.



DISCUSSION...SCATTERED THUNDERSTORMS ARE DEVELOPING ACROSS THE

SOUTHEAST TX PANHANDLE AND SOUTHWEST OK...AHEAD OF AN APPROACHING

UPPER VORTICITY MAX.  HIGH CAPE VALUES AND RATHER STRONG LOWER

TROPOSPHERIC WINDS WILL PROMOTE A RISK OF DAMAGING WINDS AND LARGE

HAIL IN THE STRONGER CELLS THIS EVENING.



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 24025.





...HART

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