WATCHES: Severe Thunderstorm Watch Number 560

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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