[LeArc] Weather Watch : 6@ 6/5/02 11:58:06 AM

[learc@mailman.qth.net]

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


WWUS20 KWNS 051658
SEL6  
SPC WW 051652
ILZ000-INZ000-KYZ000-MOZ000-052300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 386
STORM PREDICTION CENTER NORMAN OK
1152 AM CDT WED JUN 5 2002

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

SOUTHEAST ILLINOIS                           
EXTREME SOUTHERN INDIANA                            
WESTERN KENTUCKY                           
THE MISSOURI BOOTHEEL                           

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1215 PM UNTIL
600 PM CDT.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 70 STATUTE MILES
EAST AND WEST OF A LINE FROM 50 MILES SOUTH SOUTHEAST OF CAPE
GIRARDEAU MISSOURI TO 45 MILES NORTHEAST OF EVANSVILLE INDIANA.

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...THUNDERSTORMS ARE DEVELOPING ALONG THE SURFACE FRONT
ACROSS THE MO BOOTHEEL.  THIS CONVECTION WILL SPREAD NEWD AND
SHOULD INTENSIFY THIS AFTERNOON WHILE ENCOUNTERING SBCAPE VALUES
NEAR 3000 J/KG.  CONVERGENCE ALONG THE FRONT/OUTFLOWS AND 30 KT
LOW-MID LEVEL FLOW MAY HELP ORGANIZE THE CLUSTERS AND SUPPORT A
THREAT OF DAMAGING WINDS AND MARGINALLY SEVERE HAIL.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50 KNOTS. 
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.  MEAN STORM MOTION
VECTOR 24025.


...THOMPSON

;363,0902 382,0881 382,0853 363,0875;

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