

094 

WWUS20 KWNS 200230

SEL4

SPC WW 200230

KSZ000-MOZ000-NEZ000-200800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 354

NWS STORM PREDICTION CENTER NORMAN OK

930 PM CDT SAT JUN 19 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN KANSAS

       NORTHWESTERN MISSOURI

       FAR SOUTHERN NEBRASKA



EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 930 PM

UNTIL 300 AM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTH

NORTHWEST OF HILL CITY KANSAS TO 50 MILES EAST NORTHEAST OF

KANSAS CITY MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

TORNADO WATCH NUMBER 353. WATCH NUMBER 353 WILL NOT BE IN EFFECT

AFTER 930 PM CDT.



DISCUSSION...INTENSE SUPERCELLS OVER NORTHERN KS HAVE BECOME OUTFLOW

DOMINANT AND ARE LIKELY TO SPREAD EWD WITH WIND DAMAGE THE MAIN

THREAT. OTHER STORMS ARE ALSO LIKELY TO DEVELOP OVER NORTHERN KS AS

LOW LEVEL JET INTENSIFIES AND STORMS DEVELOP NORTH OF OUTFLOW

BOUNDARY. LARGE HAIL AND VERY RAINS WILL BE THE MAIN THREAT WITH

THESE STORMS.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 27025.





...IMY

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