Alert archive / Illinois / Heat Advisories in 2012

Heat Advisory 3, NWS Chicago, IL

July 3, 201216 counties in Illinois; 5 counties in Indiana

NWS Chicago, IL issued this heat advisory at Jul 3, 2012, 3:28 AM CDT for 16 counties in Illinois; 5 counties in Indiana. It took effect at Jul 3, 2012, 11:00 AM CDT. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Jul 3, 2012, 3:28 AM CDT (08:28 UTC)
In effect from
Jul 3, 2012, 11:00 AM CDT
Expired
Jul 4, 2012, 4:01 PM CDT
In force
29 hr
Issued by
NWS Chicago, IL
All 21 counties

Boone County, IL, DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 15 km from the middle of the area, began a volume at 08:27 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 3, 3:28 AM CDTExcessive Heat WatchLOT24 hr

Nearby

Heat Advisories in Illinois, 2012Heat Advisories in Indiana, 2012Every heat advisory in 2012

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.