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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
1159 AM CDT WED AUG 20 2014

ILZ027>031-036>038-041>046-055-057-211100-
CHAMPAIGN-DE WITT-DOUGLAS-EDGAR-FULTON-KNOX-LOGAN-MARSHALL-MASON-
MCLEAN-PEORIA-PIATT-STARK-TAZEWELL-VERMILION-WOODFORD-
1159 AM CDT WED AUG 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS AND EAST CENTRAL ILLINOIS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

DUE TO CLOUD COVER AND LINGERING SHOWERS THAT HAVE STABILIZED THE
AIRMASS...ONLY ISOLATED THUNDERSTORMS WILL BE POSSIBLE THIS
AFTERNOON. A LARGER AREA OF SHOWERS AND THUNDERSTORMS WILL DEVELOP
ALONG AN ADVANCING WARM FRONT ACROSS NORTH-CENTRAL ILLINOIS LATE
TONIGHT. WHILE SEVERE WEATHER IS NOT ANTICIPATED...FREQUENT
LIGHTNING AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE AFTER
MIDNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THUNDERSTORMS WILL LINGER INTO THURSDAY MORNING...BEFORE THE WARM
FRONT LIFTS FURTHER NORTH AND TAKES THE BEST CHANCES FOR
ADDITIONAL STORMS INTO THE SOUTHERN GREAT LAKES. ONLY ISOLATED
THUNDERSTORMS WILL BE POSSIBLE ALONG AND NORTH OF THE I-74
CORRIDOR THURSDAY NIGHT THROUGH SATURDAY. SEVERE WEATHER IS NOT
ANTICIPATED THROUGH THE PERIOD.

HOT AND HUMID CONDITIONS WILL DEVELOP BY THE END OF THE WEEK. HIGH
TEMPERATURES WILL CLIMB INTO THE LOWER 90S AND PEAK HEAT INDEX
VALUES WILL RISE ABOVE THE 100 DEGREE MARK FROM FRIDAY THROUGH
MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

$$



Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
453 AM CDT WED AUG 20 2014

ILZ027>031-036>038-040>057-061>063-066>068-071>073-202100-
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS-
MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-
COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-
CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE...
JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON...
MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
453 AM CDT WED AUG 20 2014

...HIGH HEAT INDICES ARE EXPECTED OVER THE WEEKEND...

WARMER TEMPERATURES WILL MOVE INTO THE AREA THIS AFTERNOON AS A
WARM FRONT LIFTS NORTHEAST ACROSS CENTRAL ILLINOIS. THESE WARMER
TEMPERATURES WILL COMBINE WITH HIGHER DEWPOINTS TO CREATE HEAT
INDEX VALUES IN THE MIDDLE TO UPPER 90S BY THIS AFTERNOON. BY THIS
WEEKEND...TEMPERATURES WILL HAVE CLIMBED INTO THE LOWER TO MIDDLE
90S AND SURFACE DEWPOINTS WILL BE IN THE LOWER 70S. THIS WILL
PRODUCE HIGHER HEAT INDEX VALUES OF AROUND 100 FOR FRIDAY THROUGH
SUNDAY.

THIS WILL BE THE FIRST TIME THIS SUMMER THAT HEAT INDEX READINGS
WILL BE AT THIS LEVEL AND ALSO FOR A DURATION OF OVER TWO DAYS.
RESIDENTS ARE THEREFORE URGED TO USE CAUTION IF OUTSIDE FOR AN
EXTENDED PERIOD OF TIME. DRINK PLENTY OF FLUIDS AND TAKE FREQUENT
BREAKS SO AS NOT TO BECOME OVERHEATED.

$$

AUTEN








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