Alert archive / Illinois / Mesoscale Discussions in 2013

Mesoscale Discussion 1828

September 1, 201333 counties in Illinois; Walworth County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Sep 1, 2013, 6:11 PM CDT for 33 counties in Illinois; Walworth County, Wisconsin. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Sep 1, 2013, 6:11 PM CDT (23:11 UTC)
Expired: Sep 1, 2013, 8:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 34 counties

Boone County, IL, Brown County, IL, Bureau County, IL, Cass County, IL, DeKalb County, IL, DeWitt County, IL, DuPage County, IL, Ford County, IL, Fulton County, IL, Grundy County, IL, Kane County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McHenry County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Putnam County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Will County, IL, Woodford County, IL, Walworth County, WI

The radar

The Lincoln radar (KILX), 69 km from the middle of the area, began a volume at 23:12 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
Aug 31, 9:12 PM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Crawford, Cumberland and 14 more	63 min
Sep 1, 1:56 PM CDT	Mesoscale Discussion	SPC	Bond, Clay, Clinton, Coles, Crawford, Cumberland and 17 more	3 hr
Aug 31, 7:05 PM CDT	Mesoscale Discussion	SPC	Barron, Bayfield, Buffalo, Burnett, Chippewa, Douglas and 8 more	85 min

Nearby

Mesoscale Discussions in Illinois, 2013 Mesoscale Discussions in Wisconsin, 2013 Every mesoscale discussion in 2013

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.