Alert archive / Iowa / Mesoscale Discussions in 2023

Mesoscale Discussion 2182

September 23, 202334 counties in Iowa

The Storm Prediction Center issued this mesoscale discussion at Sep 23, 2023, 1:09 PM CDT for 34 counties in Iowa. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Sep 23, 2023, 1:09 PM CDT (18:09 UTC)
Expired: Sep 23, 2023, 2:45 PM CDT
In force: 96 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 60%

All 34 counties

Adair County, IA, Audubon County, IA, Boone County, IA, Buena Vista County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Clarke County, IA, Dallas County, IA, Floyd County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Story County, IA, Warren County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 44 km from the middle of the area, began a volume at 18:13 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 691Sep 23, 1:35 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
Sep 23, 9:37 AM CDT	Mesoscale Discussion	SPC	Cherokee, Crawford, Harrison, Ida, Monona, Plymouth and 4 more	113 min
Sep 23, 1:34 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 34 more	8 hr
Sep 23, 2:10 PM CDT	Mesoscale Discussion	SPC	Lyon, Osceola, Sioux	3 hr
Sep 23, 3:39 PM CDT	Mesoscale Discussion	SPC	Black Hawk, Boone, Bremer, Butler, Cerro Gordo, Chickasaw and 20 more	96 min
Sep 23, 4:58 PM CDT	Mesoscale Discussion	SPC	Adams, Audubon, Cass, Fremont, Harrison, Mills and 5 more	2 hr
Sep 23, 6:23 PM CDT	Mesoscale Discussion	SPC	Audubon, Boone, Buena Vista, Butler, Calhoun, Carroll and 30 more	2 hr

Nearby

Mesoscale Discussions in Iowa, 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.