Alert archive / Minnesota / Mesoscale Discussions in 2020

Mesoscale Discussion 1864

December 23, 20204 states

The Storm Prediction Center issued this mesoscale discussion at Dec 23, 2020, 9:38 AM CST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Dec 23, 2020, 9:38 AM CST (15:38 UTC)
Expired: Dec 23, 2020, 2:45 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center
Concerning: Blizzard

All 51 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Benton County, MN, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Crow Wing County, MN, Douglas County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Swift County, MN, Todd County, MN, Wadena County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Dakota County, NE, Dixon County, NE, Clay County, SD, Lincoln County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD

The radar

The Minneapolis radar (KMPX), 138 km from the middle of the area, began a volume at 15:38 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
Dec 23, 12:33 PM CST	Mesoscale Discussion	SPC	Calhoun, Cerro Gordo, Hancock, Humboldt, Kossuth, Mitchell and 7 more	4 hr
Dec 23, 5:15 PM CST	Mesoscale Discussion	SPC	Kossuth, Winnebago	6 hr
Dec 23, 7:42 AM CST	Mesoscale Discussion	SPC	Big Stone, Grant, Lac qui Parle, Stevens, Traverse	5 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.