FLUS43 KLOT 281753 CCA
HWOLOT
Hazardous Weather Outlook...CORRECTED
National Weather Service Chicago/Romeoville IL
1153 AM CST Tue Feb 28 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-
1153 AM CST Tue Feb 28 2017 /1253 PM EST Tue Feb 28 2017/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...This Afternoon and Tonight.
WEATHER HAZARDS EXPECTED:
Significant Thunderstorm Risk...with an associated:
Extreme Hail Risk...larger than golf ball size.
Elevated Tornado Risk.
Significant Thunderstorm Wind Damage Risk.
Elevated Flooding Risk.
DISCUSSION:
Scattered thunderstorms will develop by mid to late afternoon.
Some of these storms may produce very large hail. Thunderstorms
will increase in coverage after dark this evening, and some
severe storms are likely. Storms will eventually develop into
a complex ahead of a cold front which will push east across the
outlook area overnight.
The threat of large hail will exist across the entire outlook
area with storms that develop this afternoon and tonight, and
some of these storms could produce very large hail bigger than
golf ball size. The threat of damaging winds and tornadoes will
exist primarily south of Interstate 88 this evening into the
early overnight areas, with the highest risk along and south of
Interstate 80.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Elevated Snow Risk.
Thursday...
Limited Snow Risk.
Sunday Night and Monday...
Limited Thunderstorm Risk.
DISCUSSION:
Light accumulation of snow is forecast across far northern
Illinois
on Wednesday.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed this afternoon into tonight. Due
to very fast storm motion and the likelihood of the most intense
storms in the region occurring after dark, spotters should use
extreme caution.
GENERAL STORM MOTION OF THE DAY:
Moving to the northeast or east at 65 MPH.
&&
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