[LeArc] Weather Watch : 2@ 5/8/2003 12:19:24 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 081719
SEL2  
SPC WW 081720
ILZ000-INZ000-KYZ000-MOZ000-082100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 302 
NWS STORM PREDICTION CENTER NORMAN OK 
1220 PM CDT THU MAY 8 2003

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

       CENTRAL AND SOUTHERN ILLINOIS
       EXTREME SOUTHWESTERN INDIANA
       NORTHWESTERN KENTUCKY
       EASTERN MISSOURI

EFFECTIVE THIS THURSDAY AFTERNOON FROM 1220 PM UNTIL 400 PM 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 120 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES EAST NORTHEAST OF QUINCY
ILLINOIS TO 50 MILES EAST SOUTHEAST OF CARBONDALE 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 300...WW 301...


DISCUSSION...STEEP LAPSE RATES AND MODERATE INSTABILITY...WITHIN
AREA OF 50-60 KT DEEP LAYER WILL BE FAVORABLE WITH ELEVATED
SUPERCELLS. MAIN THREAT WILL BE LARGE HAIL WITH SOME WIND DAMAGE
ALSO POSSIBLE WITH STORM LOCATED CLOSER TO WARMER FRONT.

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 25040.


...IMY

;400,0882 372,0861 372,0903 400,0930; 

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