[LeArc] Weather Watch : 0@ 7/20/2003 10:19:29 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 210314
SEL0  
SPC WW 210315
ILZ000-INZ000-WIZ000-LMZ000-211000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 780 
NWS STORM PREDICTION CENTER NORMAN OK 
1015 PM CDT SUN JUL 20 2003

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

       NORTHEAST ILLINOIS
       NORTHWEST INDIANA
       SOUTHEAST WISCONSIN
       LAKE MICHIGAN

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1015 PM UNTIL
500 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 80 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 40 MILES NORTHEAST OF MEIGS FIELD
ILLINOIS TO 30 MILES WEST OF ROCKFORD 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 776...WW 777...WW 778...WW
779...


DISCUSSION...LARGE CLUSTER OF SEVERE STORMS OVER EASTERN IA WILL
TRACK EASTWARD ACROSS NORTHERN IL AND SOUTHERN WI OVERNIGHT. 
ISOLATED CELLS AHEAD OF THIS COMPLEX MAY POSE A LARGE HAIL THREAT. 
HOWEVER...MAIN SYSTEM HAS THE POTENTIAL FOR SIGNIFICANT DAMAGING
WINDS AND HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29035.


...HART

;410,0870 410,0894 432,0894 432,0870;