Alert archive / Indiana / Mesoscale Discussions in 2015

Mesoscale Discussion 1778

September 8, 201513 counties in Illinois; 17 counties in Indiana; Berrien County, Cass County, Michigan

The Storm Prediction Center issued this mesoscale discussion at Sep 8, 2015, 1:29 PM CDT for 13 counties in Illinois; 17 counties in Indiana; Berrien County, Cass County, Michigan. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: Sep 8, 2015, 1:29 PM CDT (18:29 UTC)
Expired: Sep 8, 2015, 3:00 PM CDT
In force: 91 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 32 counties

Champaign County, IL, Coles County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Ford County, IL, Iroquois County, IL, Kankakee County, IL, Macon County, IL, Moultrie County, IL, Piatt County, IL, Vermilion County, IL, Will County, IL, Benton County, IN, Carroll County, IN, Fountain County, IN, Fulton County, IN, Jasper County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Newton County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Tippecanoe County, IN, Vermillion County, IN, Warren County, IN, White County, IN, Berrien County, MI, Cass County, MI

The radar

The Chicago radar (KLOT), 119 km from the middle of the area, began a volume at 18:31 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, 9:52 AM CDT	Mesoscale Discussion	SPC	Adams, Boone, Brown, Bureau, Cass, DeKalb and 25 more	113 min
Sep 8, 12:07 PM CDT	Mesoscale Discussion	SPC	Allegan, Barry, Bay, Calhoun, Clinton, Eaton and 16 more	2 hr
Sep 8, 2:59 PM CDT	Mesoscale Discussion	SPC	Alcona, Arenac, Bay, Clinton, Genesee, Gratiot and 20 more	91 min

Nearby

Mesoscale Discussions in Indiana, 2015 Mesoscale Discussions in Illinois, 2015 Mesoscale Discussions in Michigan, 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.