

226 

WWUS20 KWNS 120704

SEL6

SPC WW 120704

KSZ000-OKZ000-121300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 386

NWS STORM PREDICTION CENTER NORMAN OK

205 AM CDT FRI JUN 12 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHERN KANSAS

       NORTHERN OKLAHOMA



EFFECTIVE THIS FRIDAY MORNING FROM 205 AM UNTIL 800 AM 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 NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH

SOUTHWEST OF DODGE CITY KANSAS TO 60 MILES EAST NORTHEAST OF

PONCA CITY OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 384...



DISCUSSION...CLUSTER OF SUPERCELL THUNDERSTORMS OVER SOUTHWEST KS IS

EXPECTED TO PERSIST FOR MUCH OF THE NIGHT AND TRACK ACROSS SOUTHERN

KS/NORTHERN OK.  LARGE HAIL WILL BE THE MAIN THREAT...BUT SOME

TENDENCY TOWARD BOWING LINE SEGMENTS MAY OCCUR BY DAYBREAK WITH AN

INCREASING RISK OF LOCALLY DAMAGING WINDS.



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 29025.





...HART

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