[LeArc] Weather Watch : 0@ 5/12/02 2:25:34 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 121926
SEL0  
SPC WW 121922
ILZ000-MOZ000-130100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 290
STORM PREDICTION CENTER NORMAN OK
222 PM CDT SUN MAY 12 2002

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

   southern and central ILLINOIS                           
   eastern MISSOURI                           

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 800
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 50 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 65 MILES WEST OF SAINT LOUIS
MISSOURI TO 50 MILES SOUTHEAST OF MATTOON 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...  CONTINUE...WW 287...WW 288...WW 289...

DISCUSSION...storms are developing rapidly vicinity cold front
eastern mo.  with air mass ewd across il very moist and moderately
unstable...severe thunderstorms should propagate and develop e and
se across watch area remainder of afternoon.


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 550.  MEAN STORM
MOTION VECTOR 25035.


...HALES

;392,0913 394,0873 381,0873 380,0913;

WWWW