Alert archive / Illinois / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 44, NWS Chicago, IL

June 10, 2020Cook County, Kankakee County, Will County, Illinois; Lake County, Indiana

NWS Chicago, IL issued this severe thunderstorm warning at Jun 10, 2020, 8:14 AM CDT for Cook County, Kankakee County, Will County, Illinois; Lake County, Indiana. It was in force for 76 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 10, 2020, 8:14 AM CDT (13:14 UTC)
Expired: Jun 10, 2020, 9:30 AM CDT
In force: 76 min
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cook County, IL, Kankakee County, IL, Will County, IL, Lake County, IN

The radar

The Chicago radar (KLOT), 33 km from the middle of the area, began a volume at 13:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 6:26 AM CDT, 1 hour 48 minutes earlier.

Area forecast discussion, Jun 10, 6:26 AM CDT, 1 hour 48 minutes before

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Hazardous weather outlook, Jun 10, 4:24 AM CDT, 3 hours 50 minutes before

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In the hours before

Special weather statement, Jun 10, 2:40 AM CDT, 5 hours 34 minutes before

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Special weather statement, Jun 10, 7:29 AM CDT, 45 minutes before

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Special weather statement, Jun 10, 7:47 AM CDT, 27 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Special weather statement, Jun 10, 8:01 AM CDT, 13 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 7:13 PM CDT	Tornado Warning	LOT	Will	47 min
Jun 9, 7:25 PM CDT	Special Marine Warning	LOT		95 min
Jun 9, 7:25 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Will	50 min
Jun 9, 7:47 PM CDT	Tornado Warning	LOT	Cook	18 min
Jun 9, 8:54 PM CDT	Special Marine Warning	LOT		96 min
Jun 10, 1:02 AM CDT	Small Craft Advisory	LOT		14 hr
Jun 10, 2:12 AM CDT	Special Weather Statement	LOT	Ogle	48 min
Jun 10, 2:23 AM CDT	Severe Thunderstorm Warning	LOT	Ogle	27 min
Jun 10, 2:40 AM CDT	Special Weather Statement	LOT	Winnebago	50 min
Jun 10, 7:29 AM CDT	Special Weather Statement	LOT	Ford	16 min
Jun 10, 7:47 AM CDT	Special Weather Statement	LOT	Ford	13 min
Jun 10, 8:01 AM CDT	Special Weather Statement	LOT	Kankakee, Will	29 min
Jun 10, 8:17 AM CDT	Special Marine Warning	LOT		3 hr
Jun 10, 9:00 AM CDT	Special Weather Statement	LOT	Iroquois	30 min
Jun 10, 9:35 AM CDT	Areal Flood Advisory	LOT	Cook	115 min
Jun 10, 2:40 PM CDT	Gale Warning	LOT		7 hr
Jun 10, 2:40 PM CDT	Small Craft Advisory	LOT		13 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2020 Severe Thunderstorm Warnings in Indiana, 2020 Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.