Alert archive / Minnesota / Mesoscale Discussions in 2020

Mesoscale Discussion 956

June 21, 202013 counties in Iowa; 32 counties in Minnesota; 6 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 21, 2020, 2:44 PM CDT for 13 counties in Iowa; 32 counties in Minnesota; 6 counties in South Dakota. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 21, 2020, 2:44 PM CDT (19:44 UTC)
Expired: Jun 21, 2020, 4:45 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 60%

All 51 counties

Cerro Gordo County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Hancock County, IA, Kossuth County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Sioux County, IA, Winnebago County, IA, Worth County, IA, Blue Earth County, MN, Brown County, MN, Carver County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Jackson County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Mower County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Lake County, SD, Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 151 km from the middle of the area, began a volume at 19:44 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.

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
Jun 21, 2:19 PM CDT	Mesoscale Discussion	SPC	Monona, Plymouth, Woodbury	116 min
Jun 21, 3:19 PM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 10 more	7 hr
Jun 21, 3:55 PM CDT	Severe Thunderstorm Watch	SPC	Cerro Gordo, Crawford, Emmet, Hancock, Howard, Humboldt and 8 more	6 hr
Jun 21, 6:14 PM CDT	Mesoscale Discussion	SPC	Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth, Mitchell and 3 more	2 hr
Jun 21, 6:59 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Dickinson, Harrison and 10 more	2 hr
Jun 20, 7:28 PM CDT	Mesoscale Discussion	SPC	Aurora, Beadle, Brule, Buffalo, Charles Mix, Clark and 16 more	2 hr
Jun 21, 2:05 PM CDT	Mesoscale Discussion	SPC	Bennett, Butte, Custer, Dewey, Fall River, Haakon and 12 more	2 hr

Nearby

Mesoscale Discussions in Minnesota, 2020 Mesoscale Discussions in Iowa, 2020 Mesoscale Discussions in South Dakota, 2020 Every mesoscale discussion in 2020

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.