Alert archive / Illinois / Mesoscale Discussions in 2023

Mesoscale Discussion 477

April 5, 2023Jackson County, Union County, Williamson County, Illinois; Cape Girardeau County, Missouri

The Storm Prediction Center issued this mesoscale discussion at Apr 5, 2023, 3:48 AM CDT for Jackson County, Union County, Williamson County, Illinois; Cape Girardeau County, Missouri. It was in force for 27 min.

The area

The outline as issued.

The facts

Issued: Apr 5, 2023, 3:48 AM CDT (08:48 UTC)
Expired: Apr 5, 2023, 4:15 AM CDT
In force: 27 min
Issued by: the Storm Prediction Center
Concerning: Tornado watch 121

Counties Jackson County, IL, Union County, IL, Williamson County, IL, Cape Girardeau County, MO

The radar

The Paducah radar (KPAH), 86 km from the middle of the area, began a volume at 08:50 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 text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 4, 7:54 PM CDT	Mesoscale Discussion	SPC	Livingston, McLean, Tazewell, Woodford	96 min
Apr 4, 9:58 PM CDT	Severe Thunderstorm Watch	SPC	Carroll, Mercer, Rock Island	6 hr
Apr 5, 1:32 AM CDT	Tornado Watch	SPC	Alexander, Franklin, Hamilton, Jackson, Jefferson, Johnson and 9 more	9 hr
Apr 5, 2:27 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	10 hr
Apr 5, 3:27 AM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Bureau, Calhoun, Cass and 48 more	93 min
Apr 5, 3:57 AM CDT	Severe Thunderstorm Watch	SPC	Boone, Bureau, Carroll, Cass, Champaign, Christian and 59 more	8 hr
Apr 5, 5:19 AM CDT	Mesoscale Discussion	SPC	Crawford, Edwards, Lawrence, Richland, Wabash	86 min
Apr 5, 8:44 AM CDT	Tornado Watch	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	7 hr
Apr 5, 11:51 AM CDT	Mesoscale Discussion	SPC	Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more	84 min
Apr 4, 8:15 PM CDT	Mesoscale Discussion	SPC	Andrew, Bates, Buchanan, Caldwell, Cass, Clay and 11 more	2 hr
Apr 4, 11:49 PM CDT	Mesoscale Discussion	SPC	Putnam, Schuyler	86 min
Apr 5, 12:05 AM CDT	Severe Thunderstorm Watch	SPC	Barton, Bates, Benton, Cass, Cedar, Chariton and 14 more	4 hr
Apr 5, 12:56 AM CDT	Mesoscale Discussion	SPC	Butler, Carter, Howell, Oregon, Reynolds, Ripley and 3 more	94 min
Apr 5, 2:03 AM CDT	Mesoscale Discussion	SPC	Carter, Oregon, Ripley, Wayne	87 min
Apr 5, 6:25 AM CDT	Mesoscale Discussion	SPC	Douglas, Howell, Ozark, Taney	95 min

Nearby

Mesoscale Discussions in Illinois, 2023 Mesoscale Discussions in Missouri, 2023 Every mesoscale discussion in 2023

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.