Alert archive / Illinois / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 67, NWS Chicago, IL

June 28, 2019Cook County, Will County, Illinois

NWS Chicago, IL issued this severe thunderstorm warning at Jun 28, 2019, 5:51 PM CDT for Cook County, Will County, Illinois. It was in force for 39 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 28, 2019, 5:51 PM CDT (22:51 UTC)
Expired: Jun 28, 2019, 6:30 PM CDT
In force: 39 min
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cook County, IL, Will County, IL

The radar

The Chicago radar (KLOT), 24 km from the middle of the area, began a volume at 22:53 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 27, 6:45 PM CDT, 23 hours 6 minutes earlier.

Area forecast discussion, Jun 27, 6:45 PM CDT, 23 hours 6 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
Jun 27, 7:15 PM CDT	Special Weather Statement	LOT	DuPage	45 min
Jun 28, 8:36 AM CDT	Special Weather Statement	LOT	Boone, McHenry	54 min
Jun 28, 8:59 AM CDT	Severe Thunderstorm Warning	LOT	Kane, McHenry	46 min
Jun 28, 9:48 AM CDT	Special Weather Statement	LOT	Boone, McHenry	57 min
Jun 28, 10:08 AM CDT	Special Marine Warning	LOT		2 hr
Jun 28, 10:22 AM CDT	Special Weather Statement	LOT	Lake	53 min
Jun 28, 10:43 AM CDT	Special Weather Statement	LOT	DuPage	47 min
Jun 28, 5:39 PM CDT	Special Weather Statement	LOT	Will	36 min
Jun 28, 6:22 PM CDT	Areal Flood Advisory	LOT	Cook, Will	113 min
Jun 28, 6:43 PM CDT	Special Weather Statement	LOT	Cook	47 min
Jun 28, 6:46 PM CDT	Special Marine Warning	LOT		59 min
Jun 28, 6:48 PM CDT	Severe Thunderstorm Warning	LOT	Cook	42 min
Jun 28, 6:58 PM CDT	Areal Flood Advisory	LOT	Cook	2 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2019 Every severe thunderstorm warning in 2019

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.