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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 759

NWS STORM PREDICTION CENTER NORMAN OK

655 PM CDT TUE AUG 9 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN...CENTRAL...AND SOUTHERN KANSAS



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 655 PM

UNTIL 400 AM CDT.



HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 115

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH OF HILL

CITY KANSAS TO 25 MILES SOUTHWEST OF MEDICINE LODGE 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.



OTHER WATCH INFORMATION...CONTINUE...WW 753...WW 754...WW

755...WW 756...WW 757...WW 758...



DISCUSSION...SUPERCELLS NOW IN NW KS EXPECTED TO CONTINUE MOVING

SSE...AND MAY BE JOINED BY ADDITIONAL STORMS FORMING ALONG WNW/ESE

STNRY FRONT OVER N CNTRL/E CNTRL KS.  THESE STORMS MAY CONTAIN LARGE

HAIL...LOCALLY DMGG WIND...AND POSSIBLY A TORNADO.  OTHER STRONG TO

SVR STORMS MAY FORM LATER THIS EVE IN LOW LVL CONFLUENT FLOW OVER

CNTRL KS...AND STILL OTHERS MAY MOVE/DEVELOP NWD FROM ACTIVITY NOW

IN THE OK/TX PANHANDLES.  STRENGTHENING OF SLY LLJ OVER WRN AND

CNTRL KS THIS EVE/TNGT...POSSIBLY ENHANCED BY PASSAGE OF UPR LVL JET

ENTRANCE REGION ACROSS NEB/IA...SHOULD SUPPORT UPSCALE DEVELOPMENT

INTO ONE OR TWO COMPLEX MCSS BY EARLY WED.  THESE SHOULD

MOVE/DEVELOP MAINLY ESE TO SE...WITH AN ATTENDANT THREAT FOR HIGH

WIND AND POSSIBLY HAIL GIVEN INCREASING MOISTURE INFLOW AND...IN WRN

PART OF WW...SIZABLE TEMP-DEWPOINT SPREADS.



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM

MOTION VECTOR 31035.





...CORFIDI

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