Alert archive / Illinois / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 70, NWS Chicago, IL

July 16, 2009Iroquois County, Kankakee County, Illinois; Jasper County, Newton County, Indiana

NWS Chicago, IL issued this severe thunderstorm warning at Jul 16, 2009, 9:52 PM CDT for Iroquois County, Kankakee County, Illinois; Jasper County, Newton County, Indiana. It was in force for 31 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 16, 2009, 9:52 PM CDT (02:52 UTC)
Expired
Jul 16, 2009, 10:23 PM CDT
In force
31 min
Issued by
NWS Chicago, IL
Area
Storm-based polygon

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

The radar

The Chicago radar (KLOT), 84 km from the middle of the area, began a volume at 02:56 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 office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:23 PM CDTSevere Thunderstorm WarningLOTCook, Will38 min
Jul 17, 9:14 AM CDTSmall Craft AdvisoryLOT17 hr
Jul 16, 7:44 PM CDTSevere Thunderstorm WarningLOTLake, Porter47 min
Jul 17, 9:09 AM CDTLakeshore Flood StatementLOTLake, Porter17 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2009Severe Thunderstorm Warnings in Indiana, 2009Every severe thunderstorm warning in 2009

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.