Alert archive / Illinois / Mesoscale Discussions in 2015

Mesoscale Discussion 82

February 20, 201510 counties in Illinois; 5 counties in Indiana

The Storm Prediction Center issued this mesoscale discussion at Feb 20, 2015, 10:40 PM CST for 10 counties in Illinois; 5 counties in Indiana. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Feb 20, 2015, 10:40 PM CST (04:40 UTC)
Expired: Feb 21, 2015, 1:45 AM CST
In force: 3 hr
Issued by: the Storm Prediction Center

Counties Christian County, IL, Clark County, IL, Coles County, IL, Douglas County, IL, Edgar County, IL, Macon County, IL, Morgan County, IL, Moultrie County, IL, Sangamon County, IL, Shelby County, IL, Clay County, IN, Parke County, IN, Putnam County, IN, Vermillion County, IN, Vigo County, IN

The radar

The Lincoln radar (KILX), 79 km from the middle of the area, began a volume at 04:38 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
Feb 20, 6:37 PM CST	Mesoscale Discussion	SPC	Alexander, Bond, Calhoun, Clinton, Edwards, Franklin and 22 more	6 hr
Feb 20, 10:22 PM CST	Mesoscale Discussion	SPC	Gallatin, Hardin, Pope, White	6 hr
Feb 21, 2:19 AM CST	Mesoscale Discussion	SPC	Boone, Fayette, Hamilton, Hancock, Hendricks, Henry and 10 more	4 hr

Nearby

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