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341 

WWUS20 KWNS 290405

SEL2

SPC WW 290405

KSZ000-MOZ000-290900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 42

NWS STORM PREDICTION CENTER NORMAN OK

1005 PM CST TUE FEB 28 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME EAST CENTRAL KANSAS

       NORTHWEST MISSOURI



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1005 PM

UNTIL 300 AM CST.



HAIL TO 1 INCH 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 45

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF

KANSAS CITY MISSOURI TO 60 MILES SOUTHWEST OF KNOB NOSTER

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 41...



DISCUSSION...QUASI-LINEAR CONVECTIVE SYSTEM WILL CONTINUE TO MOVE

EWD FROM NE KS INTO NW MO...WITH A CONTINUED RISK FOR DAMAGING WINDS

FOR THE NEXT FEW HOURS GIVEN THE STRONG TROPOSPHERIC FLOW AND AT

LEAST WEAK INSTABILITY.  THE SEVERE RISK WILL GRADUALLY SHIFT

EWD/SEWD AS CONVECTION PINCHES OFF THE WARM SECTOR DURING THE

OVERNIGHT HOURS.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION

VECTOR 26050.





...THOMPSON

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