[LeArc] Weather Watch : 4@ 5/14/2003 6:41:35 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 142342
SEL4  
SPC WW 142345
ILZ000-150500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 374 
NWS STORM PREDICTION CENTER NORMAN OK 
645 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 NIGHT FROM 645 PM UNTIL MIDNIGHT 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 65 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 40 MILES EAST OF MATTOON ILLINOIS
TO 75 MILES WEST OF SPRINGFIELD 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 369. WATCH NUMBER 369 WILL NOT BE
IN EFFECT AFTER 645 PM CDT. CONTINUE...WW 370...WW 372...WW 373...


DISCUSSION...COMBINATION OF WELL DEFINED OUTFLOW BOUNDARY EXTENDING
E-W ACROSS CENTRAL IL...AND INCREASING LARGE SCALE ASCENT AHEAD OF
STRONG UPPER LOW NOW OVER IA...WILL MAINTAIN A RISK OF SEVERE
THUNDERSTORMS THIS EVENING ACROSS WW.  SUPERCELLS WILL REMAIN
LIKELY...THOUGH PRIMARY SEVERE THREATS WILL LIKELY BE FROM 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 400. MEAN STORM
MOTION VECTOR 28035.


...EVANS

;383,0873 385,0910 404,0910 402,0873; 
WWWW