Alert archive / Illinois / Mesoscale Discussions in 2019

Mesoscale Discussion 798

May 25, 201917 counties in Illinois; 8 counties in Iowa; 6 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 25, 2019, 6:48 PM CDT for 17 counties in Illinois; 8 counties in Iowa; 6 counties in Missouri. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: May 25, 2019, 6:48 PM CDT (23:48 UTC)
Expired: May 25, 2019, 7:45 PM CDT
In force: 57 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

All 31 counties

Des Moines County, IA, Henry County, IA, Jefferson County, IA, Keokuk County, IA, Lee County, IA, Louisa County, IA, Van Buren County, IA, Washington 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, Mercer County, IL, Peoria County, IL, Schuyler County, IL, Stark County, IL, Tazewell County, IL, Warren County, IL, Clark County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Scotland County, MO, Shelby County, MO

The radar

The Quad Cities radar (KDVN), 104 km from the middle of the area, began a volume at 23:50 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 246May 25, 7:15 PM CDT

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 24, 8:57 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, DeKalb, DeWitt, Fulton, Hancock and 25 more	2 hr
May 25, 3:24 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Fulton, Greene and 9 more	3 hr
May 24, 7:00 PM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 5 more	2 hr
May 24, 7:49 PM CDT	Tornado Watch	SPC	Allamakee, Clayton, Fayette, Winneshiek	3 hr
May 24, 9:17 PM CDT	Mesoscale Discussion	SPC	Allamakee, Clayton, Fayette, Winneshiek	118 min
May 25, 5:23 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 7 more	6 hr
May 24, 8:30 PM CDT	Mesoscale Discussion	SPC	Adair, Bates, Benton, Boone, Caldwell, Camden and 28 more	2 hr
May 24, 9:16 PM CDT	Mesoscale Discussion	SPC	Barton, Dade, Jasper, Lawrence, Newton, Vernon	29 min

Nearby

Mesoscale Discussions in Illinois, 2019 Mesoscale Discussions in Iowa, 2019 Mesoscale Discussions in Missouri, 2019 Every mesoscale discussion in 2019

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.