Alert archive / Illinois / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 158, NWS Chicago, IL

July 27, 2003Iroquois County, Kankakee County, Illinois; Lake County, Newton County, Indiana

NWS Chicago, IL issued this severe thunderstorm warning at Jul 27, 2003, 1:31 PM CDT for Iroquois County, Kankakee County, Illinois; Lake County, Newton County, Indiana. It was in force for 44 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: Jul 27, 2003, 1:31 PM CDT (18:31 UTC)
Expired: Jul 27, 2003, 2:15 PM CDT
In force: 44 min
Issued by: NWS Chicago, IL
Area: Counties, with a storm outline in the text

Counties Iroquois County, IL, Kankakee County, IL, Lake County, IN, Newton County, IN

The radar

The Chicago radar (KLOT), 70 km from the middle of the area, began a volume at 18:32 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 27, 11:30 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

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 Jul 27, 6:30 AM CDT, 7 hours 1 minute earlier.

Area forecast discussion, Jul 27, 6:30 AM CDT, 7 hours 1 minute before

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Hazardous weather outlook, Jul 27, 8:20 AM CDT, 5 hours 11 minutes before

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In the hours before

Local storm report, Jul 27, 1:27 PM CDT, 4 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 11:36 AM CDT	Severe Thunderstorm Warning	LOT	Lee	39 min
Jul 27, 12:01 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle	44 min
Jul 27, 12:14 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Lee	46 min
Jul 27, 12:32 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall	43 min
Jul 27, 12:43 PM CDT	Flash Flood Warning	LOT	Cook, Will	3 hr
Jul 27, 12:51 PM CDT	Severe Thunderstorm Warning	LOT	Will	54 min
Jul 27, 1:07 PM CDT	Severe Thunderstorm Warning	LOT	Cook	38 min
Jul 27, 1:17 PM CDT	Flash Flood Warning	LOT	DeKalb, Kendall, LaSalle	3 hr
Jul 27, 1:00 PM CDT	Flash Flood Warning	LOT	Lake, Porter	3 hr
Jul 27, 1:53 PM CDT	Severe Thunderstorm Warning	LOT	Benton, Jasper	37 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2003 Severe Thunderstorm Warnings in Indiana, 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.