[LeArc] Weather Watch : 0@ 5/4/2003 10:35:42 PM

[learc@mailman.qth.net]

The following weather message is provided by McDonough County E.S.D.A.


WWUS20 KWNS 050335
SEL0  
SPC WW 050340
ILZ000-INZ000-KYZ000-MOZ000-050900-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 240 
NWS STORM PREDICTION CENTER NORMAN OK 
1040 PM CDT SUN MAY 4 2003

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTHERN ILLINOIS
       SOUTHWEST INDIANA
       WESTERN KENTUCKY
       SOUTHEAST MISSOURI

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1040 PM UNTIL
400 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND
WEST OF A LINE FROM 25 MILES NORTHWEST OF MOUNT VERNON ILLINOIS TO
40 MILES EAST OF CAPE GIRARDEAU MISSOURI.

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...CONTINUE...WW 235...WW 236...WW 237...WW
238...WW 239...


DISCUSSION...TORNADIC SUPERCELLS ALONG THE WARM FRONT SE OF VIH AND
NE OF PAH WILL MOVE EWD ALONG THE WARM FRONT FOR THE NEXT FEW HOURS
WHILE THE BOUNDARY LIFTS SLOWLY NWD.  RICH LOW-LEVEL MOISTURE AND
VERY STRONG LOW-LEVEL SHEAR WILL SUPPORT A CONTINUED TORNADO THREAT
WITH STORMS NEAR THE WARM FRONT INTO THE EARLY MORNING HOURS.

AVIATION...TORNADOES AND 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 26040.


...THOMPSON

;383,0865 371,0863 371,0910 383,0912; WWWW