[LeArc] Weather Watch : 5@ 7/17/2003 9:27:57 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 180226
SEL5  
SPC WW 180230
ILZ000-INZ000-180800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 755 
NWS STORM PREDICTION CENTER NORMAN OK 
930 PM CDT THU JUL 17 2003

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

       NORTH CENTRAL ILLINOIS
       EXTREME NORTHWEST INDIANA

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 930 PM UNTIL
300 AM 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 45 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 40 MILES EAST NORTHEAST OF DANVILLE
ILLINOIS TO 50 MILES NORTHWEST OF PEORIA 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 754...


DISCUSSION...CLUSTER OF SEVERE STORMS WEST OF CHICAGO IS EXPECTED TO
TRACK SOUTHEASTWARD FOR SEVERAL MORE HOURS...WHILE FURTHER
DEVELOPMENT MAY OCCUR WESTWARD TOWARD THE IA/IL BORDER.  VERY
UNSTABLE AIRMASS AND AMPLE LOW LEVEL MOISTURE...COUPLED WITH
SUFFICIENT DEEP LAYER SHEAR WILL PROMOTE THE THREAT OF LARGE HAIL
AND DAMAGING WINDS IN STRONGER CELLS.

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 24035.


...HART

;394,0865 403,0902 414,0902 410,0865; 

WWWW