[LeArc] Weather Watch : 4@ 7/9/2003 5:22:42 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 092221
SEL4  
SPC WW 092225
ILZ000-100200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 704 
NWS STORM PREDICTION CENTER NORMAN OK 
525 PM CDT WED JUL 9 2003

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

       CENTRAL ILLINOIS

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 525 PM UNTIL
900 PM CDT.

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

THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 40 MILES WEST OF PEORIA ILLINOIS TO 20 MILES
SOUTH SOUTHEAST OF DANVILLE 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...CONTINUE...WW 697...WW 698...WW 699...WW
700...WW 701...WW 702...WW 703...


DISCUSSION...THUNDERSTORMS/SUPERCELLS EXPECTED TO CONTINUE MOVING
ESE ALONG STALLED BOUNDARY/FRONT THROUGH CENTRAL IL.  GIVEN EXPECTED
LONG RESIDENCE TIME IN VORTICITY-RICH ENVIRONMENT NEAR
BOUNDARY...HIGH SURFACE DEWPOINTS IN COOL AIR...AND MODEST DEEP
SHEAR...POTENTIAL WILL EXIST FOR ISOLATED TORNADOES IN ADDITION TO
LARGE HAIL AND BOWING SEGMENTS WITH HIGH WIND.

AVIATION...TORNADOES AND 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 550.
MEAN STORM MOTION VECTOR 28030.


...CORFIDI

;413,0902 404,0872 390,0872 394,0902; 
WWWW