Alert archive / Illinois / Mesoscale Discussions in 2015

Mesoscale Discussion 981

June 11, 201520 counties in Illinois; 5 counties in Iowa; 4 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2015, 8:13 PM CDT for 20 counties in Illinois; 5 counties in Iowa; 4 counties in Missouri. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Jun 11, 2015, 8:13 PM CDT (01:13 UTC)
Expired: Jun 11, 2015, 9:45 PM CDT
In force: 92 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

All 29 counties

Des Moines County, IA, Henry County, IA, Jefferson County, IA, Lee County, IA, Van Buren County, IA, Adams County, IL, Brown County, IL, Cass County, IL, Fulton County, IL, Hancock County, IL, Henderson County, IL, Knox County, IL, Logan County, IL, Mason County, IL, McDonough County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Pike County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Tazewell County, IL, Warren County, IL, Woodford County, IL, Clark County, MO, Knox County, MO, Lewis County, MO, Scotland County, MO

The radar

The Lincoln radar (KILX), 97 km from the middle of the area, began a volume at 01:17 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 289Jun 11, 8:25 PM CDT

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
Jun 11, 7:53 PM CDT	Mesoscale Discussion	SPC	Bureau, Ford, Fulton, Grundy, Henry, Kendall and 16 more	67 min
Jun 11, 8:25 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Cass, Fulton, Hancock, Henderson and 7 more	5 hr
Jun 11, 10:30 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Hancock, Henderson, McDonough and 2 more	90 min
Jun 11, 7:54 PM CDT	Mesoscale Discussion	SPC	Buchanan, Caldwell, Clay, Clinton, Jackson, Platte and 1 more	96 min
Jun 12, 3:52 PM CDT	Mesoscale Discussion	SPC	Barton, Bates, Benton, Cedar, Dade, Dallas and 10 more	83 min

Nearby

Mesoscale Discussions in Illinois, 2015 Mesoscale Discussions in Iowa, 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.