Alert archive / Illinois / Mesoscale Discussions in 2011

Mesoscale Discussion 1228

June 15, 20115 states

The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2011, 4:24 AM CDT for 5 states. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jun 15, 2011, 4:24 AM CDT (09:24 UTC)
Expired: Jun 15, 2011, 6:00 AM CDT
In force: 96 min
Issued by: the Storm Prediction Center

All 101 counties

Clay County, AR, Alexander County, IL, Bond County, IL, Calhoun County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Greene County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Jersey County, IL, Johnson County, IL, Lawrence County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Montgomery County, IL, Moultrie County, IL, Perry County, IL, Piatt County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Shelby County, IL, Union County, IL, Vermilion County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Clay County, IN, Daviess County, IN, Dubois County, IN, Gibson County, IN, Greene County, IN, Knox County, IN, Martin County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Sullivan County, IN, Vanderburgh County, IN, Vermillion County, IN, Vigo County, IN, Warrick County, IN, Ballard County, KY, Crittenden County, KY, Henderson County, KY, Livingston County, KY, McCracken County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, City of Saint Louis, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Mississippi County, MO, Montgomery County, MO, New Madrid County, MO, Osage County, MO, Perry County, MO, Pike County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Stoddard County, MO, Warren County, MO, Washington County, MO, Wayne County, MO

The radar

The St Louis radar (KLSX), 111 km from the middle of the area, began a volume at 09:24 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
Jun 15, 12:29 AM CDT	Mesoscale Discussion	SPC	Baxter, Boone, Carroll, Clay, Cleburne, Fulton and 13 more	2 hr
Jun 15, 1:09 AM CDT	Severe Thunderstorm Watch	SPC	Baxter, Boone, Clay, Cleburne, Conway, Craighead and 19 more	4 hr
Jun 15, 10:54 AM CDT	Mesoscale Discussion	SPC	Arkansas, Crittenden, Desha, Lee, Mississippi, Monroe and 2 more	2 hr
Jun 15, 1:57 PM CDT	Mesoscale Discussion	SPC	Clark, Garland, Hempstead, Hot Spring, Howard, Little River and 9 more	63 min
Jun 15, 1:55 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Christian, DeWitt and 22 more	3 hr
Jun 15, 2:13 PM CDT	Mesoscale Discussion	SPC	Alexander, Clay, Clinton, Cumberland, DeWitt, Edwards and 27 more	2 hr
Jun 15, 5:04 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Crawford, Daviess, Dubois, Floyd, Greene and 8 more	4 hr
Jun 14, 7:47 PM CDT	Mesoscale Discussion	SPC	Adair, Andrew, Audrain, Bates, Benton, Boone and 43 more	58 min
Jun 14, 8:54 PM CDT	Mesoscale Discussion	SPC	Newton	66 min
Jun 14, 9:11 PM CDT	Mesoscale Discussion	SPC	Barry, Barton, Camden, Cedar, Christian, Dade and 23 more	64 min

Nearby

Mesoscale Discussions in Illinois, 2011 Mesoscale Discussions in Missouri, 2011 Mesoscale Discussions in Indiana, 2011 Every mesoscale discussion in 2011

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.