FLUS43 KLOT 220947
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
447 AM CDT FRI AUG 22 2014
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
447 AM CDT FRI AUG 22 2014 /547 AM EDT FRI AUG 22 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED:
SCATTERED THUNDERSTORMS...SOME COULD PRODUCE:
TORRENTIAL RAINFALL AND FLASH FLOODING.
FREQUENT CLOUD TO GROUND LIGHTNING.
WIND GUSTS TO 50 MPH.
NICKEL SIZE HAIL.
AREAS AFFECTED AND TIMING:
THUNDERSTORMS WITH HEAVY RAIN SOUTH OF INTERSTATE 80 WILL END
THIS MORNING. ADDITIONAL THUNDERSTORMS ARE POSSIBLE THIS
AFTERNOON AND TONIGHT...THOUGH CONFIDENCE REGARDING COVERAGE
AND TIMING IS SOMEWHAT UNCERTAIN.
DISCUSSION:
VERY WARM AND HUMID AIR WILL REMAIN IN PLACE AS AN UPPER LEVEL
RIDGE SLOWLY BUILDS ACROSS THE REGION. THUNDERSTORMS ARE
POSSIBLE TODAY AND TONIGHT. THE MAIN THREAT FROM THESE STORMS
WILL BE TORRENTIAL RAINFALL WHICH MAY LEAD TO FLASH FLOODING.
WITH THE SOIL SATURATED IN MANY AREAS...ANY ADDITIONAL HEAVY
RAIN MAY QUICKLY LEAD TO FLASH FLOODING. RAINFALL RATES WITH
ANY THUNDERSTORMS THAT DEVELOP COULD REACH 2 TO 3 INCHES PER
HOUR.
DENSE FOG WILL BE POSSIBLE EARLY THIS MORNING ACROSS FAR NORTHEAST
ILLINOIS.
HEAT INDICES WILL APPROACH 100 DEGREES AWAY FROM LAKE MICHIGAN
THIS AFTERNOON.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SATURDAY NIGHT...
SUNDAY AFTERNOON...THEN MONDAY THROUGH THURSDAY. HEAVY RAIN AND
FLASH FLOODING WILL BE POSSIBLE WITH ANY THUNDERSTORMS THAT
DEVELOP.
HEAT INDICES COULD EXCEED 100 DEGREES SUNDAY AND MONDAY AFTERNOONS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER REPORTS OF RAINFALL AND FLOODING WILL BE APPRECIATED.
&&
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