Saturday, December 17, 2016

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 172234
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
434 PM CST SAT DEC 17 2016


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-
434 PM CST SAT DEC 17 2016 /534 PM EST SAT DEC 17 2016/

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

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

SIGNIFICANT EXCESSIVE COLD RISK.
LIMITED NON THUNDERSTORM WIND RISK.
LIMITED ICE ACCUMULATION RISK.
SIGNIFICANT SNOW RISK...PARTICULARLY IN NORTHWEST INDIANA.

DISCUSSION:

SNOW WILL MOVE ACROSS THE AREA THIS EVENING INTO THE OVERNIGHT WITH
1 TO 4 INCHES SNOW ACCUMULATION EXPECTED BY THE TIME THE SNOW
ENDS. INCREASING WINDS WILL CAUSE BLOWING AND DRIFTING SNOW
TONIGHT.

A BAND OF LAKE EFFECT SNOW IS EXPECTED TO MOVE ACROSS PARTS OF
LAKE AND PORTER COUNTY LATE THIS EVENING AND OVERNIGHT AND WILL
LIKELY PRODUCE PERIODS OF HEAVY SNOW AND WHITE OUT CONDITIONS AS
IT MOVES ACROSS THE COUNTIES. THERE WILL ALSO BE SIGNIFICANT
BLOWING AND DRIFTING SNOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

SUNDAY...
EXTREME EXCESSIVE COLD RISK.
LIMITED NON THUNDERSTORM WIND RISK.
ELEVATED SNOW RISK IN PORTER COUNTY INDIANA.
LIMITED FIRE WEATHER RISK.
MONDAY...
EXTREME EXCESSIVE COLD RISK.
TUESDAY...
ELEVATED EXCESSIVE COLD RISK.

DISCUSSION:

LAKE EFFECT SNOW SHOWERS AND BLOWING AND DRIFTING SNOW WILL
CONTINUE TO IMPACT PORTIONS OF LAKE AND PORTER COUNTIES IN
NORTHWEST INDIANA THROUGH SUNDAY MORNING.

DANGEROUSLY COLD TEMPERATURES AND WIND CHILLS ARE EXPECTED
SUNDAY THROUGH MONDAY MORNING WITH WIND CHILL READINGS AS LOW
AS 30 BELOW ZERO...WITH LOCALLY COLDER READINGS OF 30 TO 40 BELOW
ZERO POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

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