Alert archive / Illinois / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 187, NWS Chicago, IL

August 26, 2003Grundy County, Kankakee County, Will County, Illinois

NWS Chicago, IL issued this severe thunderstorm warning at Aug 26, 2003, 3:37 AM CDT for Grundy County, Kankakee County, Will County, Illinois. It was in force for 38 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: Aug 26, 2003, 3:37 AM CDT (08:37 UTC)
Expired: Aug 26, 2003, 4:15 AM CDT
In force: 38 min
Issued by: NWS Chicago, IL
Area: Counties, with a storm outline in the text

Counties Grundy County, IL, Kankakee County, IL, Will County, IL

The radar

The Chicago radar (KLOT), 35 km from the middle of the area, began a volume at 08:36 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 Aug 25, 6:30 PM CDT, 9 hours 7 minutes earlier.

Area forecast discussion, Aug 25, 6:30 PM CDT, 9 hours 7 minutes before

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Hazardous weather outlook, Aug 25, 4:45 PM CDT, 10 hours 52 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 1:17 PM CDT	Special Marine Warning	LOT		43 min
Aug 26, 1:19 PM CDT	Severe Thunderstorm Warning	LOT	Lake, Porter	41 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2003 Every severe thunderstorm warning in 2003

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.