Alert archive / Minnesota / Mesoscale Discussions / 2021
Mesoscale Discussions in Minnesota, December 2021
18 mesoscale discussions in December 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in December 2021. Tap one for its archive.
- Mesoscale Discussions
- 18
- Busiest day
- December 5, 20213 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 4, 9:43 PM CST | Mesoscale Discussion | SPC | Clay, Norman | 4 hr |
| Dec 5, 4:22 AM CST | Mesoscale Discussion | SPC | Aitkin, Carlton, Cass, Itasca, Lake, Saint Louis | 6 hr |
| Dec 5, 11:33 AM CST | Mesoscale Discussion | SPC | Cook, Itasca, Lake, Saint Louis | 3 hr |
| Dec 10, 12:27 PM CST | Mesoscale Discussion | SPC | Blue Earth, Brown, Cottonwood, Faribault, Jackson, Martin and 8 more | 4 hr |
| Dec 10, 3:31 PM CST | Mesoscale Discussion | SPC | Blue Earth, Brown, Cottonwood, Dakota, Dodge, Faribault and 20 more | 4 hr |
| Dec 10, 7:04 PM CST | Mesoscale Discussion | SPC | Anoka, Blue Earth, Brown, Carver, Chisago, Cottonwood and 17 more | 6 hr |
| Dec 15, 12:28 PM CST | Mesoscale Discussion | SPC | Blue Earth, Brown, Cottonwood, Faribault, Freeborn, Jackson and 6 more | 2 hr |
| Dec 15, 4:51 PM CST | Mesoscale Discussion | SPC | Dodge, Fillmore, Goodhue, Houston, Mower, Olmsted and 4 more | 114 min |
| Dec 15, 5:16 PM CST | Mesoscale Discussion | SPC | Faribault, Freeborn, Martin | 119 min |
| Dec 15, 7:11 PM CST | Mesoscale Discussion | SPC | Dodge, Fillmore, Goodhue, Houston, Mower, Olmsted and 3 more | 2 hr |
| Dec 15, 10:43 PM CST | Mesoscale Discussion | SPC | Aitkin, Cass, Hubbard, Itasca, Koochiching, Saint Louis | 6 hr |
| Dec 26, 4:44 PM CST | Mesoscale Discussion | SPC | Anoka, Becker, Benton, Big Stone, Blue Earth, Brown and 43 more | 4 hr |
| Dec 26, 5:26 PM CST | Mesoscale Discussion | SPC | Anoka, Benton, Chisago, Dakota, Hennepin, Isanti and 8 more | 6 hr |
| Dec 26, 9:07 PM CST | Mesoscale Discussion | SPC | Aitkin, Anoka, Becker, Beltrami, Benton, Carlton and 29 more | 4 hr |
| Dec 27, 6:56 AM CST | Mesoscale Discussion | SPC | Cook | 6 hr |
| Dec 27, 11:39 AM CST | Mesoscale Discussion | SPC | Aitkin, Becker, Beltrami, Carlton, Cass, Clearwater and 15 more | 4 hr |
| Dec 28, 8:59 AM CST | Mesoscale Discussion | SPC | Dodge, Fillmore, Freeborn, Houston, Mower, Olmsted and 3 more | 5 hr |
| Dec 28, 5:40 PM CST | Mesoscale Discussion | SPC | Aitkin, Carlton, Itasca, Lake, Saint Louis | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Steele County7
- Itasca County6
- Wabasha County6
- Aitkin County5
- Saint Louis County5
- Blue Earth County5
- Brown County5
- Waseca County5
- Watonwan County5
- Dodge County5
- Goodhue County5
- Norman County4
- Carlton County4
- Cass County4
- Lake County4
- Cottonwood County4
- Faribault County4
- Martin County4
- Nicollet County4
- Dakota County4
- Fillmore County4
- Freeborn County4
- Houston County4
- Mower County4
- Olmsted County4
- Rice County4
- Winona County4
- Anoka County4
- Chisago County4
- Hennepin County4
- Isanti County4
- Ramsey County4
- Washington County4
- Wright County4
- Clay County3
- Jackson County3
- Murray County3
- Nobles County3
- Le Sueur County3
- Scott County3
42 more counties
- Sibley County3
- Hubbard County3
- Becker County3
- Benton County3
- Crow Wing County3
- Kanabec County3
- Mahnomen County3
- Mille Lacs County3
- Sherburne County3
- Wadena County3
- Cook County2
- Redwood County2
- Carver County2
- McLeod County2
- Koochiching County2
- Douglas County2
- Grant County2
- Morrison County2
- Otter Tail County2
- Stearns County2
- Todd County2
- Wilkin County2
- Pine County2
- Beltrami County2
- Clearwater County2
- Pennington County2
- Polk County2
- Red Lake County2
- Pipestone County1
- Rock County1
- Big Stone County1
- Chippewa County1
- Kandiyohi County1
- Meeker County1
- Pope County1
- Renville County1
- Stevens County1
- Swift County1
- Traverse County1
- Lake of the Woods County1
- Marshall County1
- Roseau County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.