005
WWUS9 KMKC 210057
SEL3
MKC WW 210053
ILZ000-INZ000-210700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 473
STORM PREDICTION CENTER NORMAN OK
753 PM EST TUE JUN 20 2000

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

   EASTERN ILLINOIS
   INDIANA

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 800 PM
UNTIL 200 AM EST.

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 85 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH OF DECATUR ILLINOIS
TO 30 MILES EAST OF MUNCIE 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.

OTHER WATCH INFORMATION...  CONTINUE...WW 467...WW 468...WW
469...WW 470...WW 471...WW 472...

DISCUSSION...THUNDERSTORM COMPLEX EXPECTED TO SPREAD ENE FROM CNTRL
IL DURING THE NEXT SEVERAL HOURS INTO AREA OF BOUNDARY LAYER
MOISTURE RETURN OVER CNTRL IND.  SUFFICIENT SHEAR PRESENT TO
SUPPORT EMBEDDED SUPERCELLS/BOWS WITH DAMAGING WINDS AND PERHAPS AN
ISOLATED TORNADO.

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 500.  MEAN STORM MOTION
VECTOR 25030.

...CORFIDI

;404,0885 412,0844 390,0844 381,0885;