

720 

WWUS20 KWNS 160351

SEL8

SPC WW 160351

KSZ000-MOZ000-161000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 428

NWS STORM PREDICTION CENTER NORMAN OK

1050 PM CDT MON JUN 15 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME SOUTHEAST KANSAS

       SOUTHWEST AND SOUTH CENTRAL MISSOURI



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1050 PM

UNTIL 500 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 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST

OF JOPLIN MISSOURI TO 35 MILES EAST 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 423...WW 424...WW

425...WW 426...WW 427...



DISCUSSION...BAND OF STRONG/SEVERE STORMS CONTINUES TO PROGRESS EWD

ACROSS SERN KS...WITH ADDITIONAL ELEVATED CELLS DEVELOPING OVER

PARTS OF SWRN MO...AND OVER SOUTH CENTRAL KS IN THE WAKE OF THE BAND

OF SEVERE STORMS.  ORGANIZED COLD POOL DEVELOPMENT ALONG THE

AFOREMENTIONED BAND COU0PLED WITH MODERATELY STRONG WSWLY FLOW ALOFT

WILL MAINTAIN EWD/ENEWD MOVEMENT OF ACTIVITY WITH CONTINUING THREAT

FOR LARGE HAIL AND DAMAGING WIND GUSTS INTO SWRN/S CNTRL PARTS OF

MO.



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.





...WEISS

