Sunday, May 13, 2018

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 132051 HWOLOT

Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 351 PM CDT Sun May 13 2018

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- 351 PM CDT Sun May 13 2018 /451 PM EDT Sun May 13 2018/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR North Central Illinois… Northeast Illinois AND Northwest Indiana.

.DAY ONE…Tonight.

WEATHER HAZARDS EXPECTED:

Significant Thunderstorm Risk...with an associated:      Limited Hail Risk...up to half dollar size.      Elevated Thunderstorm Wind Damage Risk...up to 60 mph.  Elevated Flooding Risk.

DISCUSSION:

Scattered storms currently over eastern Iowa may impact areas west of I-39 this afternoon. Storms may produce large hail, but all storms will produce lightning and heavy rain.

An additional round of showers and thunderstorms will impact the region late tonight. Large hail is possible with the strongest storms, but if storms form into fast moving linear segments, damaging winds would be a concern. The storms will also produce heavy rainfall, and flash flooding is possible if storms train.

.DAYS TWO THROUGH SEVEN…Monday through Saturday.

Monday…

Limited Flooding Risk.  Limited Severe Thunderstorm Risk.

Tuesday…

Limited Flooding Risk.  Limited Thunderstorm Risk.

Wednesday through Saturday…

Limited Thunderstorm Risk.

DISCUSSION:

A few more rounds of showers and thunderstorms are expected late Monday into Monday night where a marginal severe risk exists. Thunderstorm chances continue this week but with lower probabilities.

.SPOTTER INFORMATION STATEMENT…

Spotters will likely be needed late tonight.

GENERAL STORM MOTION OF THE DAY:

Moving east at around 40 mph.

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