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WWUS20 KWNS 072030

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KSZ000-MOZ000-080300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 737

NWS STORM PREDICTION CENTER NORMAN OK

330 PM CDT SUN AUG 7 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       FAR SOUTHEAST KANSAS

       CENTRAL AND SOUTHWEST MISSOURI



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 330 PM UNTIL

1000 PM CDT.



HAIL TO 1.5 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 60

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHEAST OF

COLUMBIA MISSOURI TO 130 MILES SOUTHWEST OF JEFFERSON CITY

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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...WW 735...WW 736...



DISCUSSION...WELL-DEVELOPED TSTM CLUSTERS FROM NWRN MO INTO FAR ERN

KS HAS SHOWN EPISODIC BOWING STRUCTURES FOR SVRL HOURS.  EXPECT THAT

MOST INTENSE STORMS WILL DEVELOP ESE ALONG AN OLD OUTFLOW BOUNDARY

INTO THE OZARKS/CNTRL MO THROUGH THIS EVENING WITH CORRIDORS OF HIGH

WINDS GIVEN PCPN/HAIL LOADING AND UNIDIRECTIONAL WNW FLOW THROUGH

THE COLUMN.  MEANWHILE...HIGH-BASED STORMS CONTINUE TO FORM UPSTREAM

ALONG THE TRAILING OUTFLOW BOUNDARY EMANATING FROM NWRN MO STORM

COMPLEX.  THESE STORMS MAY GROW UPSCALE INTO STRONGER ENTITIES AS

THEY PROGRESS EWD INTO FAR SERN KS AND SWRN MO THROUGH EARLY THIS

EVENING WITH DMGG WINDS.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 29035.





...RACY

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