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WWUS20 KWNS 162340

SEL0

SPC WW 162340

KSZ000-MOZ000-170600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 560

NWS STORM PREDICTION CENTER NORMAN OK

540 PM CST SAT NOV 16 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EXTREME NORTHEAST KANSAS

  NORTHWEST AND NORTH CENTRAL MISSOURI



* EFFECTIVE THIS SATURDAY AFTERNOON FROM 540 PM UNTIL MIDNIGHT

  CST.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A FEW TORNADOES POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTHWEST

OF TOPEKA KANSAS TO 10 MILES EAST NORTHEAST OF KIRKSVILLE

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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...STORMS NOW FORMING IN NE KS WILL SPREAD ENEWD ACROSS

NRN MO THROUGH EARLY TONIGHT.  THOUGH INSTABILITY IS NOT

PARTICULARLY STRONG...VERTICAL WIND SHEAR WILL BE FAVORABLE FOR A

FEW SUPERCELLS WITH AN ATTENDANT RISK FOR DAMAGING WINDS AND LARGE

HAIL.  AN ISOLATED TORNADO CANNOT BE RULED OUT BASED ON STRONG

LOW-LEVEL SHEAR...BUT THE OVERALL RISK SHOULD BE LIMITED BY THE

COOLING SURFACE LAYER AND SOMEWHAT MARGINAL MOISTURE/INSTABILITY.



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 450. MEAN STORM

MOTION VECTOR 25040.





...THOMPSON

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