[LeArc] Weather Watch : 9@ 5/14/2003 1:04:24 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 141804
SEL9  
SPC WW 141810
ILZ000-150000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 369 
NWS STORM PREDICTION CENTER NORMAN OK 
110 PM CDT WED MAY 14 2003

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

       CENTRAL ILLINOIS

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 110 PM UNTIL
700 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 85 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF MARSEILLES
ILLINOIS TO 25 MILES SOUTHWEST OF DECATUR 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 368...


DISCUSSION...ISOLATED THUNDERSTORMS ARE EXPECTED TO INTENSIFY OVER
WEST CENTRAL IL DURING THE NEXT COUPLE OF HOURS ALONG/AHEAD OF
SURFACE COLD FRONT.  AIRMASS IN THIS REGION HAS BECOME MODERATELY
UNSTABLE...WITH DEWPOINTS NEAR 60F AND SBCAPE VALUES OVER 1500 J/KG.
 COLD TEMPERATURES ALOFT AND APPROACHING MID LEVEL TROUGH WILL
SUPPORT A RISK OF LARGE HAIL AND DAMAGING WINDS.


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 27030.


...HART

;413,0872 393,0873 393,0904 413,0903; 

WWWW