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000 

WWUS20 KWNS 010032

SEL7

SPC WW 010032

KSZ000-MOZ000-010900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 37

NWS STORM PREDICTION CENTER NORMAN OK

635 PM CST WED FEB 28 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHEAST KANSAS

       NORTHWEST AND NORTH CENTRAL MISSOURI



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 635 PM

UNTIL 300 AM CST.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST

NORTHWEST OF CHILLICOTHE MISSOURI TO 30 MILES EAST SOUTHEAST OF

OLATHE KANSAS.  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 36...



DISCUSSION...THUNDERSTORMS WILL INCREASE IN COVERAGE/INTENSITY ALONG

AND N OF THE SURFACE FRONT /NEAR THE MO RIVER/ THROUGH THE OVERNIGHT

HOURS AS THE DEEPENING LOW AND MID LEVEL TROUGH LIFT NEWD ACROSS KS.

 THE LOW LEVELS SHOULD REMAIN STABLE N OF THE BOUNDARY...WHILE STEEP

LAPSE RATES AND MUCAPE NEAR 1000 J/KG DEVELOPS NEWD ABOVE THE

SHALLOW COOL AIR.  THE PRIMARY SEVERE STORM THREAT SHOULD BE LARGE

HAIL.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50

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

MOTION VECTOR 24030.





...THOMPSON

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