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WWUS35 KSPI 201600
SPSSPI
ILZ027>031-036>038-040>057-061>063-066>068-071>073-201800-

HAZARDOUS WEATHER OUTLOOK FOR CENTRAL ILLINOIS
NATIONAL WEATHER SERVICE LINCOLN IL
1100 AM CDT TUE JUN 20 2000

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
AND TONIGHT...WEST OF A KANKAKEE TO DECATUR LINE.

SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER PARTS OF CENTRAL
ILLINOIS THIS AFTERNOON...WITH A WARM UNSTABLE AIRMASS IN PLACE. AN
AREA OF LOW PRESSURE WILL TRACK WELL TO THE NORTH OF ILLINOIS DURING
THE DAY PUSHING A COLD FRONT TO THE MISSISSIPPI RIVER BY EARLY THIS
EVENING. THE ATMOSPHERE AHEAD OF THE COLD FRONT IS EXPECTED TO
DESTABILIZE THIS AFTERNOON WITH THUNDERSTORMS FORECAST TO
CONTINUE AHEAD OF THE FRONT. SOME OF THESE THUNDERSTORMS COULD
BECOME SEVERE LATER THIS AFTERNOON OR EVENING. AT THIS TIME...THE
PRIMARY THREAT WITH THESE STORMS WILL BE DAMAGING DOWNBURST WINDS AND
VERY HEAVY RAINFALL.

SPOTTER ACTIVATION MAY BE REQUIRED LATER THIS AFTERNOON AND
EVENING IN THE SPRINGFIELD AND PEORIA AREAS.

KETCHAM