Alert archive / Illinois / Mesoscale Discussions in 2015

Mesoscale Discussion 1776

September 8, 201531 counties in Illinois; Lewis County, Marion County, Missouri

The Storm Prediction Center issued this mesoscale discussion at Sep 8, 2015, 9:52 AM CDT for 31 counties in Illinois; Lewis County, Marion County, Missouri. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Sep 8, 2015, 9:52 AM CDT (14:52 UTC)
Expired: Sep 8, 2015, 11:45 AM CDT
In force: 113 min
Issued by: the Storm Prediction Center
Chance of a watch: 5%

All 33 counties

Adams County, IL, Boone County, IL, Brown County, IL, Bureau County, IL, Cass County, IL, DeKalb County, IL, DuPage County, IL, Fulton County, IL, Grundy County, IL, Hancock County, IL, Kane County, IL, Kendall County, IL, Knox County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McHenry County, IL, Menard County, IL, Ogle County, IL, Peoria County, IL, Putnam County, IL, Schuyler County, IL, Stark County, IL, Tazewell County, IL, Will County, IL, Woodford County, IL, Lewis County, MO, Marion County, MO

The radar

The Lincoln radar (KILX), 103 km from the middle of the area, began a volume at 14:54 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, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 8, 1:29 PM CDT	Mesoscale Discussion	SPC	Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 7 more	91 min
Sep 7, 8:38 PM CDT	Mesoscale Discussion	SPC	Atchison	67 min
Sep 8, 1:48 PM CDT	Mesoscale Discussion	SPC	Barry, McDonald, Newton	2 hr

Nearby

Mesoscale Discussions in Illinois, 2015 Mesoscale Discussions in Missouri, 2015 Every mesoscale discussion in 2015

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.