Saturday, May 20, 2017

Hazardous Weather Outlook for McHenry Co., IL

FLUS43 KLOT 201656
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1156 AM CDT Sat May 20 2017


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-
1156 AM CDT Sat May 20 2017 /1256 PM EDT Sat May 20 2017/

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

.DAY ONE...This Afternoon and Tonight.

WEATHER HAZARDS EXPECTED:
Elevated Thunderstorm Risk...with an associated:
Limited Hail Risk...up to quarter size.
Limited Thunderstorm Wind Damage Risk...up to 60 MPH.
Elevated Flooding Risk.

DISCUSSION:

After rain ends early this afternoon, additional scattered
thunderstorms are expected later this afternoon into the evening.
There is some potential for severe weather, especially over
northwest Indiana and south of a Peru to Kankakee line in
Illinois during this time. A tornado threat has been included
in the SPC outlook in proximity to a northward shifting warm
front should any supercells form, but seems a low possibility.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Monday and Tuesday...
Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed late this afternoon or early evening.

GENERAL STORM MOTION OF THE DAY:

Moving northeast at 40 MPH.

&&



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