FLUS43 KLOT 280925
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
425 AM CDT SAT JUN 28 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-
425 AM CDT SAT JUN 28 2014 /525 AM EDT SAT JUN 28 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 OF WHICH MAY PRODUCE:
LOCALLY HEAVY DOWNPOURS.
OCCASIONAL CLOUD TO GROUND LIGHTNING.
WIND GUSTS TO 40 MPH.
AREAS AFFECTED AND TIMING:
ISOLATED THUNDERSTORMS MAY DEVELOP AS EARLY AS LATE THIS
MORNING...PARTICULARLY ACROSS SOUTHEASTERN PARTS OF THE
OUTLOOK AREA EAST OF INTERSTATE 55. ADDITIONAL ISOLATED TO
SCATTERED THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH THE
AFTERNOON HOURS...BEFORE DISSIPATING EARLY THIS EVENING.
ADDITIONAL SCATTERED STORMS WILL MOVE INTO THE AREA LATE
TONIGHT...AROUND OR SHORTLY AFTER MIDNIGHT ACROSS NORTH
CENTRAL ILLINOIS...THEN SPREADING EAST ACROSS THE REMAINDER
OF THE OUTLOOK AREA BEFORE SUNRISE SUNDAY MORNING.
DISCUSSION:
A WARM FRONT WAS LIFTING NORTH ACROSS THE AREA EARLY THIS
MORNING...WITH A VERY WARM AND HUMID AIR MASS IN PLACE ACROSS
THE REGION. ISOLATED TO SCATTERED THUNDERSTORM DEVELOPMENT IS
EXPECTED AS INSTABILITY INCREASES WITH DAYTIME HEATING...AND
AS A WEAK UPPER LEVEL DISTURBANCE LIFTS SLOWLY NORTHEAST
ACROSS THE AREA. WHILE LITTLE ORGANIZED LOW LEVEL FOCUS IS
PRESENT FOR STORM DEVELOPMENT...THE PRESENCE OF THE UPPER
LEVEL DISTURBANCE AND A MORE UNSTABLE ENVIRONMENT SHOULD
RESULT IN SOMEWHAT HIGHER STORM COVERAGE THAN DURING THE PAST
COUPLE OF DAYS. A STRONGER DISTURBANCE WILL APPROACH THE AREA
FROM THE PLAINS TONIGHT...WITH ADDITIONAL SCATTERED
THUNDERSTORMS EXPECTED TO DEVELOP AFTER MIDNIGHT.
PORTIONS OF THE ILLINOIS...IROQUOIS...AND KANKAKEE RIVERS WILL
REMAIN IN FLOOD.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
THERE WILL BE PERIODIC CHANCES OF THUNDERSTORMS SUNDAY THROUGH
MONDAY NIGHT. SOME OF THE STORMS ON MONDAY COULD BE SEVERE...WITH
STRONG GUSTY WINDS AND POTENTIALLY HEAVY RAINFALL THE MAIN THREATS.
WATER LEVELS WILL REMAIN HIGH ALONG PORTIONS OF THE ILLINOIS...
IROQUOIS AND KANKAKEE RIVERS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
&&
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