[LeArc] Weather Watch : 6@ 8/1/02 6:08:35 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 012311
SEL6  
SPC WW 012310
IAZ000-ILZ000-INZ000-MOZ000-LMZ000-020500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 566
STORM PREDICTION CENTER NORMAN OK
610 PM CDT THU AUG 1 2002

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

   EASTERN IOWA                               
   NORTHERN AND CENTRAL ILLINOIS                           
   FAR NORTHWESTERN INDIANA                            
   EXTREME NORTHEASTERN MISSOURI                           
   SOUTHERN LAKE MICHIGAN                      

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 610 PM UNTIL
MIDNIGHT 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 110 STATUTE MILES
EAST AND WEST OF A LINE FROM 50 MILES SOUTH SOUTHEAST OF BURLINGTON
IOWA TO 45 MILES NORTH NORTHWEST OF MEIGS FIELD CHICAGO 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 564...WW 565...

DISCUSSION...THUNDERSTORMS ARE EXPECTED TO DEVELOP/INTENSIFY
QUICKLY OVER THE NEXT HOUR OR SO AS COLD FRONT/SURFACE TROUGH MOVES
SEWD INTO STRONG INSTABILITY AND WEAK CAP.  REGION REMAINS ON SRN
FRINGE OF STRONGER WESTERLIES WITH SUFFICIENT FLOW AVAILABLE FOR
LINES/SMALL BOW ECHOES...INCREASING THE THREAT OF DAMAGING WINDS
AND ISOLATED LARGE HAIL.


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 26035.


...EVANS

;400,0925 422,0900 422,0854 400,0884;

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