

000 

WWUS20 KWNS 040358

SEL2

SPC WW 040358

KSZ000-MOZ000-041000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 442

NWS STORM PREDICTION CENTER NORMAN OK

1100 PM CDT TUE JUN 3 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME SOUTHEAST KANSAS

       CENTRAL AND SOUTHWEST MISSOURI



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1100 PM

UNTIL 500 AM CDT.



HAIL TO 1.5 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 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES WEST

NORTHWEST OF JOPLIN MISSOURI TO 20 MILES EAST OF VICHY MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 437. WATCH NUMBER 437 WILL NOT BE IN EFFECT

AFTER 1100 PM CDT. CONTINUE...WW 439...WW 440...WW 441...



DISCUSSION...A WELL-DEVELOPED MCS WITH BOWING CHARACTERISTICS IS

MOVING EWD/ENEWD ACROSS SE KS AT 45-50 KT.  WIND GUSTS OF 60-90 MPH

HAVE BEEN REPORTED WITH THIS CONVECTION THE PAST FEW HOURS...AND IT

APPEARS THE FORCING ALONG THE GUST FRONT WILL MAINTAIN STRONG

CONVECTION AND A CONTINUED DAMAGING WIND THREAT DESPITE SUBSTANTIAL

CONVECTIVE INHIBITION OVER SW MO.  ELSEWHERE...OUTFLOW FROM A

SEPARATE BAND OF STORMS IN WRN MO MAY EVENTUALLY MERGE WITH THE SE

KS MCS...WHILE AN ISOLATED HAIL/WIND THREAT WILL CONTINUE FARTHER NE

IN AREAS OF MO NOT IMPACTED BY EARLIER CONVECTION.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

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

MOTION VECTOR 26045.





...THOMPSON

