Alert archive / Illinois / Mesoscale Discussions in 2016

Mesoscale Discussion 1875

December 10, 201617 counties in Illinois; 10 counties in Indiana

The Storm Prediction Center issued this mesoscale discussion at Dec 10, 2016, 6:59 PM CST for 17 counties in Illinois; 10 counties in Indiana. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Dec 10, 2016, 6:59 PM CST (00:59 UTC)
Expired: Dec 11, 2016, 1:00 AM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 27 counties

Boone County, IL, Cook County, IL, DeKalb County, IL, DuPage 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, Will County, IL, Winnebago County, IL, Fulton County, IN, Jasper County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Newton County, IN, Porter County, IN, Pulaski County, IN, Starke County, IN, White County, IN

The radar

The Chicago radar (KLOT), 23 km from the middle of the area, began a volume at 01:02 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 text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 11, 5:42 PM CST	Mesoscale Discussion	SPC	Cook, DeKalb, DuPage, Kane, Kendall, Lake and 2 more	4 hr

Nearby

Mesoscale Discussions in Illinois, 2016 Mesoscale Discussions in Indiana, 2016 Every mesoscale discussion in 2016

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.