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WWUS20 KWNS 162237

SEL8

SPC WW 162237

KSZ000-MOZ000-170600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 328

NWS STORM PREDICTION CENTER NORMAN OK

540 PM CDT WED JUN 16 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN KANSAS

       WESTERN AND SOUTHERN MISSOURI



EFFECTIVE THIS WEDNESDAY AFTERNOON AND THURSDAY MORNING FROM 540

PM UNTIL 100 AM 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 45

STATUTE MILES EITHER SIDE OF A LINE FROM 20 MILES WEST NORTHWEST

OF OLATHE KANSAS TO 65 MILES SOUTH SOUTHEAST OF FORT LEONARD WOOD

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 325...WW 326...WW 327...



DISCUSSION...NUMEROUS STRONG/SEVERE STORMS SPREADING GENERALLY

EWD/NEWD THIS EVENING ALONG NW-SE ORIENTED WARM FRONT FROM NERN KS

INTO THE OZARKS. MUCH OF THIS CONVECTION HAS BEEN DEVELOPING MOST OF

THE DAY AND APPEARS ASSOCIATED WITH WEAK LOW-AMPLITUDE SHORT WAVE

TROUGH MOVING ACROSS KS. SHEAR IS MARGINALLY SUPPORTIVE OF SUPERCELL

STRUCTURE AND FEED OF INSTABILITY FROM HOT/UNSTABLE AIRMASS ACROSS

THE PLAINS SHOULD CONTINUE TO SUPPORT SOME LARGE HAIL AND

GUSTY/DAMAGING WIND POTENTIAL NEXT FEW HOURS. ADDITIONAL DEVELOPMENT

MAY OCCUR LATER THIS EVENING ALONG THE FLANKING/OUTFLOW EDGE OF

RESULTING COLD POOLS AS LOW LEVEL JET INTENSIFIES.



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 550. MEAN STORM

MOTION VECTOR 23025.





...CARBIN

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