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321 

WWUS20 KWNS 090205

SEL9

SPC WW 090205

KSZ000-MOZ000-090900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 109

NWS STORM PREDICTION CENTER NORMAN OK

905 PM CDT FRI APR 8 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN AND EASTERN KANSAS

       WESTERN AND CENTRAL MISSOURI



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 905 PM

UNTIL 400 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 75

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST

NORTHWEST OF SALINA KANSAS TO 20 MILES NORTH OF VICHY MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



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 107...WW 108...



DISCUSSION...SLIGHTLY ELEVATED TSTMS WITH HAIL EXPECTED TO INCREASE

IN COVERAGE N OF W-E QSTNRY FRONT OVER KS/MO REGION AS MODERATE

SSWLY LLJ STRENGTHENS  AND VEERS THROUGH EARLY SAT.  OTHER HAIL

STORMS... LEFT-SPLIT SUPERCELLS...EXPECTED TO MOVE/DEVELOP NWD FROM

LOOSELY ORGANIZED S CNTRL KS MCS.  LATER TONIGHT/EARLY SAT...AN

INCREASING THREAT FOR LOCALLY DMGG WIND MAY EVOLVE...MAINLY OVER FAR

ERN KS INTO CNTRL MO...GIVEN INCREASING POTENTIAL FOR DOWNDRAFTS

ENHANCED BY PRECIP LOADING AND THE DEVELOPMENT OF SMALL BOWING

SEGMENTS.



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 23030.





...CORFIDI

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