Alert archive / Minnesota / Severe Thunderstorm Warnings / 2020
Severe Thunderstorm Warnings in Minnesota, September 2020
35 severe thunderstorm warnings in September 2020. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 35
- Busiest day
- September 6, 202026 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Sep 2, 8:35 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Marshall, Norman, Pennington, Polk, Red Lake | 55 min |
| Sep 2, 9:30 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Clearwater, Mahnomen, Norman, Polk and 1 more | 60 min |
| Sep 2, 10:11 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Hubbard, Lake of the Woods | 51 min |
| Sep 5, 10:57 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 48 min |
| Sep 5, 11:09 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 51 min |
| Sep 5, 11:17 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 43 min |
| Sep 5, 11:31 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice, Steele, Waseca | 44 min |
| Sep 5, 11:34 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker | 56 min |
| Sep 5, 11:36 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle | 54 min |
| Sep 5, 11:55 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon, Murray, Pipestone | 17 min |
| Sep 5, 11:58 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 47 min |
| Sep 5, 11:59 PM CDT | Severe Thunderstorm Warning | ARX | Dodge | 33 min |
| Sep 6, 12:09 AM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Murray, Nobles | 51 min |
| Sep 6, 12:09 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Renville, Yellow Medicine | 66 min |
| Sep 6, 12:11 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 34 min |
| Sep 6, 12:12 AM CDT | Severe Thunderstorm Warning | MPX | Steele | 33 min |
| Sep 6, 12:15 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 15 min |
| Sep 6, 12:16 AM CDT | Severe Thunderstorm Warning | ARX | Mower | 44 min |
| Sep 6, 12:38 AM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 22 min |
| Sep 6, 12:43 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 62 min |
| Sep 6, 12:50 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville | 42 min |
| Sep 6, 12:51 AM CDT | Severe Thunderstorm Warning | FSD | Jackson | 39 min |
| Sep 6, 1:09 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Le Sueur, Nicollet | 53 min |
| Sep 6, 1:17 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 38 min |
| Sep 6, 1:30 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Martin, Watonwan | 45 min |
| Sep 6, 2:01 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Martin, Watonwan | 44 min |
| Sep 6, 4:30 AM CDT | Severe Thunderstorm Warning | MPX | Dakota | 30 min |
| Sep 6, 4:48 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 42 min |
| Sep 6, 5:02 AM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 43 min |
| Sep 23, 10:25 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 35 min |
| Sep 23, 10:25 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 35 min |
| Sep 23, 10:58 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 32 min |
| Sep 23, 11:14 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 31 min |
| Sep 23, 11:31 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 44 min |
| Sep 26, 5:15 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Renville County5
- Sibley County3
- Redwood County3
- Blue Earth County3
- Martin County3
- Clay County2
- Norman County2
- Polk County2
- Red Lake County2
- Clearwater County2
- McLeod County2
- Yellow Medicine County2
- Le Sueur County2
- Steele County2
- Chippewa County2
- Murray County2
- Jackson County2
- Hennepin County2
- Brown County2
- Nicollet County2
- Watonwan County2
- Otter Tail County2
- Douglas County2
- Todd County2
- Marshall County1
- Pennington County1
- Becker County1
- Mahnomen County1
- Beltrami County1
- Hubbard County1
- Lake of the Woods County1
- Rice County1
- Waseca County1
- Kandiyohi County1
- Meeker County1
- Lac qui Parle County1
- Lincoln County1
- Lyon County1
- Pipestone County1
- Dodge County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.