FLUS43 KLOT 040903
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
403 AM CDT Mon Sep 4 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-
403 AM CDT Mon Sep 4 2017 /503 AM EDT Mon Sep 4 2017/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...Today and Tonight.
WEATHER HAZARDS EXPECTED:
Elevated Thunderstorm Risk...with an associated:
Elevated Hail Risk...up to Quarter size.
Significant Thunderstorm Wind Damage Risk...up to 70 MPH.
Limited Flooding Risk.
High Swim Risk.
DISCUSSION:
Thunderstorms are likely to develop this afternoon ahead of a
southward moving cold front. While some widely scattered showers
and thunderstorms will be possible across far northern Illinois
with this front early this afternoon, these storms are not likely
to be severe. However, there is a higher threat for severe
thunderstorm development from mid to late this afternoon,
especially along and south of a line from near Pontiac Illinois
to Valparaiso Indiana. Strong damaging winds look to be the main
severe threat with these storms, though some hail to the size of
quarters will also be possible. The threat for thunderstorms will
end across southern sections of the area early this evening.
This cold front will also create dangerous swim conditions across
Northwest Indiana beaches this afternoon through Tuesday night as
high waves develop fairly quickly when the front arrives.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday
Limited Thunderstorm Risk.
High Swim Risk.
Wednesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed this afternoon for southern
portions of the area.
GENERAL STORM MOTION OF THE DAY:
Moving east-southeast at 40 to 50 MPH.
&&
https://goo.gl/2yoYEX
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