[LeArc] Weather Watch : 5@ 7/7/2003 8:47:16 AM

[learc@mailman.qth.net]

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


WWUS20 KWNS 071345
SEL5  
SPC WW 071345
ILZ000-INZ000-MIZ000-OHZ000-LMZ000-071800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 665 
NWS STORM PREDICTION CENTER NORMAN OK 
845 AM CDT MON JUL 7 2003

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

       CENTRAL AND NORTHEAST ILLINOIS
       NORTHERN INDIANA
       SOUTHERN LOWER MICHIGAN
       NORTHWEST OHIO
       LAKE MICHIGAN

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 845 AM UNTIL 100
PM CDT.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 110 STATUTE MILES
EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF KALAMAZOO
MICHIGAN TO 5 MILES SOUTH OF DANVILLE 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.




DISCUSSION...LINEAR MCS NOW MOVING INTO THE CHICAGO AREA WILL
CONTINUE POSING A DAMAGING WIND THREAT AS IT MOVES ESEWD INTO SRN
LOWER MI AND NRN IND THROUGH THE REST OF THE MORNING.  CLEAR SKIES
AHEAD OF THIS SYSTEM SHOULD SUPPORT MODERATE INSTABILITY...WITH
SUFFICIENT SHEAR TO MAINTAIN STORM-SCALE ORGANIZATION.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
VECTOR 29040.


...EVANS

;424,0824 400,0853 400,0894 424,0870; 
WWWW