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302 

WWUS20 KWNS 191444

SEL1

SPC WW 191444

KSZ000-MOZ000-OKZ000-192100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 51

NWS STORM PREDICTION CENTER NORMAN OK

945 AM CDT SAT MAR 19 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CENTRAL AND SOUTHEAST KANSAS

       EXTREME WESTERN MISSOURI

       NORTHERN OKLAHOMA



EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 945 AM UNTIL

400 PM CDT.



HAIL TO 2 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 85

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST

SOUTHWEST OF WICHITA KANSAS TO 25 MILES EAST NORTHEAST OF JOPLIN

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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...THUNDERSTORMS HAVE BEEN INCREASING IN COVERAGE AND

INTENSITY OVER NORTHERN OK/SOUTHERN KS THIS MORNING AS A SHORTWAVE

TROUGH OVER CO/NM APPROACHES.  STEEP MID LEVEL LAPSE RATES AND

SUFFICIENT ELEVATED CAPE WILL PROMOTE A RISK OF HAIL IN STRONGER

CELLS THROUGH MID AFTERNOON.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 24030.





...HART

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