[LeArc] Weather Watch : 3@ 5/12/02 6:06:21 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 122307
SEL3  
SPC WW 122303
ILZ000-INZ000-MOZ000-130400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 293
STORM PREDICTION CENTER NORMAN OK
603 PM CDT SUN MAY 12 2002

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   SOUTHERN ILLINOIS                           
   SOUTHWEST INDIANA                            
   EAST CENTRAL AND SOUTHEAST MISSOURI                           

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 615 PM UNTIL 1100
PM 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 ALONG AND 45 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 105 MILES WEST OF CARBONDALE
ILLINOIS TO 70 MILES EAST OF MOUNT VERNON ILLINOIS.

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
SEVERE THUNDERSTORM WATCH NUMBER 290.  WATCH NUMBER 290 WILL NOT BE
IN EFFECT AFTER 615 PM CDT.  CONTINUE...WW 288...WW 289...WW
291...WW 292...

DISCUSSION...MOIST/UNSTABLE AIRMASS REMAINS OVER SOUTHEAST MO AND
SOUTHERN IL...AHEAD OF LARGE CLUSTER OF STORMS OVER CENTRAL MO. 
THESE STORMS SHOULD TRACK EASTWARD FOR NEXT SEVERAL HOURS...WITH
THE THREAT OF DAMAGING WINDS AND LARGE HAIL.

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 26035.

...HART

;382,0911 385,0873 373,0873 370,0911;

WWWW