

000 

WWUS20 KWNS 040705

SEL5

SPC WW 040705

ILZ000-INZ000-KYZ000-MOZ000-041400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 445

NWS STORM PREDICTION CENTER NORMAN OK

200 AM CDT WED JUN 4 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND CENTRAL ILLINOIS

       SOUTHWESTERN INDIANA

       WESTERN KENTUCKY

       SOUTHEASTERN AND EXTREME EAST-CENTRAL MISSOURI



EFFECTIVE THIS WEDNESDAY MORNING FROM 200 AM UNTIL 900 AM CDT.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 90 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 60 MILES WEST SOUTHWEST OF

SAINT LOUIS MISSOURI TO 55 MILES SOUTHEAST OF MATTOON ILLINOIS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 439. WATCH NUMBER 439 WILL NOT BE IN EFFECT AFTER

200 AM CDT. CONTINUE...WW 441...WW 442...WW 443...WW 444...



DISCUSSION...FORCED ASCENT ALONG OUTFLOWS FROM EXISTING MO COMPLEXES

MAY CONTRIBUTE TO ADDITIONAL SVR DEVELOPMENT EWD ACROSS WW

AREA...PER MESOSCALE DISCUSSION 1195.  PREDOMINANT THREAT WILL BE

DAMAGING WIND...ALTHOUGH LOW-LEVEL AND DEEP-LAYER SHEARS SUPPORT

TORNADO POTENTIAL...PARTICULARLY INVOF BOUNDARY INTERSECTIONS AND

WITHIN EMBEDDED MESOCIRCULATIONS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 80 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 27035.





...EDWARDS/CORFIDI

