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WWUS20 KWNS 071756

SEL5

SPC WW 071756

KSZ000-MOZ000-080100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 735

NWS STORM PREDICTION CENTER NORMAN OK

1255 PM CDT SUN AUG 7 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHEAST KANSAS

       NORTHWEST MISSOURI



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1255 PM UNTIL

800 PM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST

NORTHWEST OF TOPEKA KANSAS TO 40 MILES NORTHEAST OF KNOB NOSTER

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 734...



DISCUSSION...TSTMS WERE SLOWLY GAINING INTENSITY ACROSS NERN KS

EARLY THIS AFTN...ASSOCIATED WITH A WEAK MCV TRAVELING ALONG THE

NEB/KS BORDER.  ALTHOUGH LOW/MID-LEVEL FLOW IS NOT PARTICULARLY

STRONG...HIGH LEVEL FLOW WILL BE INCREASING WITH TIME.  THIS IN

COMBINATION WITH RECOVERING ENVIRONMENT ALONG/N OF AN OUTFLOW

BOUNDARY TO THE ESE OF CURRENT STORMS WILL CONTRIBUTE TO BOWING LINE

SEGMENTS/ISOLD SUPERCELLS.  DAMAGING WIND GUSTS AND HAIL WILL BE

LIKELY.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28040.





...RACY

