Sunday, June 1, 2014

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 011547
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1047 AM CDT SUN JUN 1 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-
1047 AM CDT SUN JUN 1 2014 /1147 AM EDT SUN JUN 1 2014/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WEATHER HAZARDS EXPECTED:

SCATTERED THUNDERSTORMS...SOME WILL PRODUCE TORRENTIAL DOWNPOURS
WITH A SLIGHT CHANCE OF VERY LOCALIZED BRIEF WIND GUSTS OF 40 TO
60 MPH.

AREAS AFFECTED AND TIMING:

ISOLATED THUNDERSTORMS WILL DEVELOP AROUND NOON AND STEADILY
INCREASE IN COVERAGE THROUGH THIS AFTERNOON INTO EARLY THIS
EVENING...BEFORE DECREASING IN COVERAGE AGAIN BY MID TO LATE
EVENING INTO THE OVERNIGHT.

DISCUSSION:

A WARM...MOIST...AND UNSTABLE AIR MASS WILL SPREAD INTO THE AREA
TODAY AND WHEN COMBINED WITH AN UPPER LEVEL DISTURBANCE WILL
RESULT IN ISOLATED TO SCATTERED THUNDERSTORMS
DEVELOPING...MAINLY THIS AFTERNOON AND EVENING. CONDITIONS ARE
NOT EXPECTED TO BE FAVORABLE FOR ORGANIZED SEVERE
THUNDERSTORMS...THOUGH ONE OR TWO COULD BRIEFLY PRODUCE VERY
LOCALIZED STRONG TO POSSIBLY DAMAGING WIND GUSTS. THE PRIMARY
THREAT FROM STORMS TODAY WILL BE TORRENTIAL DOWNPOURS AND
ISOLATED HEAVY RAINFALL TOTALS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

A PERIOD OF THUNDERSTORMS APPEARS TO BE A GOOD BET ON MONDAY.
TORRENTIAL DOWNPOURS WILL AGAIN BE POSSIBLE...HOWEVER ORGANIZED
SEVERE THUNDERSTORMS APPEAR UNLIKELY EVEN THOUGH AN ISOLATED
DAMAGING WIND GUST OR TWO CANNOT BE RULED OUT.

ANOTHER ROUND OF THUNDERSTORMS...POSSIBLY SEVERE...IS LIKELY
WEDNESDAY MORNING. WHILE A SEVERE THREAT EXISTS ACROSS THE ENTIRE
REGION...THE HIGHEST CHANCES AT THIS TIME APPEAR TO BE FOCUSED
SOUTH OF INTERSTATE 80. EARLY INDICATIONS SUGGEST THAT THERE IS A
POSSIBILITY OF WIDESPREAD DAMAGING WINDS. HEAVY RAINFALL TOTALS
ARE ALSO POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

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