[LeArc] Weather Watch : 4@ 5/30/2003 7:30:13 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 310029
SEL4  
SPC WW 310030
ILZ000-INZ000-WIZ000-LMZ000-310600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 444 
NWS STORM PREDICTION CENTER NORMAN OK 
730 PM CDT FRI MAY 30 2003

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

       CENTRAL AND NORTHERN ILLINOIS
       NORTHWEST INDIANA
       SOUTHEAST WISCONSIN
       LAKE MICHIGAN

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 730 PM UNTIL
100 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 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 55 MILES NORTHWEST OF MUSKEGON MICHIGAN TO 25 MILES
SOUTHEAST OF SPRINGFIELD ILLINOIS.

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 442. WATCH NUMBER 442 WILL NOT BE IN EFFECT AFTER 730
PM CDT. CONTINUE...WW 441...WW 443...


DISCUSSION...SUPERCELLS EXPECTED TO CONTINUE TO DEVELOP/MOVE E FROM
SURFACE DRY LINE ORIENTED FROM S CNTRL WI SWWD INTO CNTRL IL. 
INCREASING DEEP SHEAR/LARGE SCALE FORCING OVER REGION ASSOCIATED
WITH APPROACH OF 90+ KT MID LEVEL JET STREAK WILL REMAIN FAVORABLE
FOR STORM ROTATION. STRENGTHENING CAP SHOULD MAINTAIN A SHARP SWRN
LIMIT TO CONVECTIVE DEVELOPMENT FARTHER S ALONG DRY LINE.

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 400.
MEAN STORM MOTION VECTOR 29030.


...CORFIDI

;434,0853 393,0875 393,0904 434,0883; 

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