Tuesday, July 14, 2015

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 140919
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
419 AM CDT TUE JUL 14 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-
419 AM CDT TUE JUL 14 2015

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...
WIND GUSTS TO 40 MPH OR STRONGER.
BRIEF HEAVY RAINFALL AND LOCALIZED MINOR FLOODING.
SMALL HAIL.

AREAS AFFECTED AND TIMING:

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP
GRADUALLY DURING THE LATE MORNING WITH A MAXIMUM IN COVERAGE
ACROSS THE OUTLOOK AREA DURING THE EARLY TO MID AFTERNOON.
SLIGHTLY BETTER COVERAGE OF ANY STORMS IS ANTICIPATED SOUTH OF
INTERSTATE 80.

DISCUSSION:

A COLD FRONT MOVING SOUTH THROUGH THE REGION TODAY IN TANDEM
WITH AN UPPER LEVEL DISTURBANCE IS ANTICIPATED TO SPARK
SCATTERED THUNDERSTORMS WHICH WILL MOVE SOUTH-SOUTHEAST. THE
ATMOSPHERE IS NOT PARTICULARLY RIPE FOR SEVERE WEATHER...BUT
DOES GRADUALLY IMPROVE MOVING SOUTHWARD IN THE AREA. ISOLATED
AND BRIEF NEAR SEVERE WINDS COULD DEVELOP FROM A STORM OR
TWO...MAINLY SOUTH OF INTERSTATE 80.

DANGEROUS SWIMMING CONDITIONS ARE EXPECTED FOR BOTH ILLINOIS AND
INDIANA BEACHES FROM MID AFTERNOON THROUGH TONIGHT.

PORTIONS OF THE ILLINOIS...IROQUOIS...VERMILLION AND KANKAKEE
RIVERS...AND SUGAR CREEK WILL REMAIN IN FLOOD.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

DANGEROUS SWIMMING CONDITIONS ARE EXPECTED TO CONTINUE FOR BOTH
ILLINOIS AND INDIANA BEACHES INTO WEDNESDAY MORNING.

THERE ARE PERIODIC CHANCES FOR THUNDERSTORMS THURSDAY THROUGH
MONDAY.

PORTIONS OF THE ILLINOIS...IROQUOIS...VERMILLION AND KANKAKEE
RIVERS...AND SUGAR CREEK WILL REMAIN IN FLOOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

&&

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