FLUS43 KLOT 150924
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
424 AM CDT MON JUN 15 2015
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-
424 AM CDT MON JUN 15 2015
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...SOME OF WHICH MAY PRODUCE:
FREQUENT CLOUD TO GROUND LIGHTNING.
VERY HEAVY RAINFALL AND FLOODING.
ISOLATED WINDS GUSTS ABOVE 60 MPH.
AREAS AFFECTED AND TIMING:
ISOLATED TO SCATTERED THUNDERSTORMS EARLY THIS MORNING
MAINLY OVER FAR NORTHERN ILLINOIS WILL BECOME MORE NUMEROUS
ACROSS THE AREA BY LATE MORNING AND AFTERNOON. CLUSTERS OF
THUNDERSTORMS WILL LIKELY BE FAIRLY WIDESPREAD ACROSS THE
AREA THIS AFTERNOON...DIMINISHING SLOWLY FROM NORTHWEST TO
SOUTHEAST THIS EVENING.
DISCUSSION:
ISOLATED TO SCATTERED THUNDERSTORMS WILL BECOME MORE NUMEROUS
ACROSS THE OUTLOOK AREA TODAY AS A SLOW MOVING COLD FRONT
APPROACHES...AND EVENTUALLY SAGS SOUTHEAST ACROSS THE AREA
LATE THIS AFTERNOON AND TONIGHT. A VERY MOIST AIR MASS IN
PLACE AHEAD OF THIS FRONT WILL SUPPORT HEAVY RAINFALL RATES
IN THUNDERSTORMS...WHICH MAY QUICKLY LEAD TO FLOODING GIVEN
ALREADY SATURATED GROUND CONDITIONS FROM PREVIOUS HEAVY RAINS
DURING THE PAST WEEK TO TEN DAYS. A FEW OF THE BETTER ORGANIZED
STORM CLUSTERS MAY BE CAPABLE OF PRODUCING ISOLATED DAMAGING
WIND GUSTS...MAINLY THIS AFTERNOON AND EARLY THIS EVENING.
IN ADDITION...PORTIONS OF THE IROQUOIS...KANKAKEE...AND
ILLINOIS RIVERS WILL REMAIN IN FLOOD.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
THERE WILL BE PERIODIC CHANCES OF THUNDERSTORMS TUESDAY THROUGH
THE WEEKEND.
PORTIONS OF THE IROQUOIS...KANKAKEE...AND ILLINOIS RIVERS WILL
REMAIN IN FLOOD.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED...THOUGH REPORTS OF
RAINFALL AMOUNTS...FLOODING OR WIND GUSTS ARE WELCOMED.
&&
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