Alert archive / Minnesota / Severe Thunderstorm Warnings / 2017
Severe Thunderstorm Warnings in Minnesota, September 2017
87 severe thunderstorm warnings in September 2017. 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 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 87
- Busiest day
- September 20, 201727 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 3, 8:46 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 29 min |
| Sep 3, 9:04 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Itasca, Saint Louis | 41 min |
| Sep 3, 9:14 PM CDT | Severe Thunderstorm Warning | DLH | Cook, Lake | 16 min |
| Sep 3, 9:50 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Saint Louis | 25 min |
| Sep 4, 12:03 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard | 42 min |
| Sep 4, 12:27 PM CDT | Severe Thunderstorm Warning | DLH | Cass | 48 min |
| Sep 4, 1:07 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Crow Wing | 38 min |
| Sep 4, 5:44 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Rice, Steele, Waseca | 46 min |
| Sep 4, 6:20 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 40 min |
| Sep 4, 6:56 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 31 min |
| Sep 14, 3:23 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching | 37 min |
| Sep 14, 3:37 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 38 min |
| Sep 14, 3:38 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 37 min |
| Sep 14, 3:58 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching | 32 min |
| Sep 14, 4:01 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 29 min |
| Sep 14, 4:06 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 24 min |
| Sep 14, 4:29 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 31 min |
| Sep 14, 5:01 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 44 min |
| Sep 14, 5:31 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 44 min |
| Sep 14, 5:36 PM CDT | Severe Thunderstorm Warning | DLH | Lake | 24 min |
| Sep 14, 6:00 PM CDT | Severe Thunderstorm Warning | DLH | Lake | 30 min |
| Sep 14, 6:32 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 28 min |
| Sep 14, 8:22 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard | 53 min |
| Sep 14, 9:10 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard | 65 min |
| Sep 14, 10:46 PM CDT | Severe Thunderstorm Warning | DLH | Cass | 29 min |
| Sep 15, 3:42 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 15 min |
| Sep 19, 5:56 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman | 52 min |
| Sep 19, 9:02 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Mahnomen, Pennington, Polk, Red Lake | 58 min |
| Sep 19, 10:49 PM CDT | Severe Thunderstorm Warning | ABR | Big Stone | 41 min |
| Sep 19, 10:55 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 50 min |
| Sep 19, 11:08 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 52 min |
| Sep 19, 11:24 PM CDT | Severe Thunderstorm Warning | MPX | Stevens, Swift | 36 min |
| Sep 19, 11:26 PM CDT | Severe Thunderstorm Warning | ABR | Big Stone, Traverse | 19 min |
| Sep 19, 11:29 PM CDT | Severe Thunderstorm Warning | FSD | Nobles, Pipestone, Rock | 46 min |
| Sep 19, 11:46 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 44 min |
| Sep 19, 11:47 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon, Murray, Nobles, Pipestone, Rock | 43 min |
| Sep 19, 11:50 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stevens | 55 min |
| Sep 20, 12:24 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 21 min |
| Sep 20, 12:42 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns, Todd | 33 min |
| Sep 20, 1:02 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Renville | 43 min |
| Sep 20, 1:11 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Sherburne, Stearns | 49 min |
| Sep 20, 1:15 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 30 min |
| Sep 20, 1:21 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Crow Wing | 39 min |
| Sep 20, 1:37 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Sherburne, Stearns, Wright | 38 min |
| Sep 20, 1:41 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 34 min |
| Sep 20, 1:49 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Kanabec, Mille Lacs, Morrison | 56 min |
| Sep 20, 1:50 AM CDT | Severe Thunderstorm Warning | DLH | Cass | 25 min |
| Sep 20, 2:00 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Pine | 30 min |
| Sep 20, 2:00 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Mille Lacs, Sherburne | 45 min |
| Sep 20, 2:10 AM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 20 min |
| Sep 20, 2:29 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Pine | 46 min |
| Sep 20, 3:04 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 26 min |
| Sep 20, 3:10 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 35 min |
| Sep 20, 3:16 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Pine | 44 min |
| Sep 22, 1:02 AM CDT | Severe Thunderstorm Warning | ABR | Traverse | 50 min |
| Sep 22, 1:25 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton | 26 min |
| Sep 22, 3:02 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Itasca | 16 min |
| Sep 22, 3:02 AM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail, Wilkin | 28 min |
| Sep 22, 3:17 AM CDT | Severe Thunderstorm Warning | DLH | Itasca | 28 min |
| Sep 22, 3:20 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Itasca | 25 min |
| Sep 22, 3:27 AM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 48 min |
| Sep 22, 3:30 AM CDT | Severe Thunderstorm Warning | MPX | Douglas | 30 min |
| Sep 22, 3:44 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Itasca, Saint Louis | 17 min |
| Sep 22, 4:14 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 34 min |
| Sep 22, 4:25 AM CDT | Severe Thunderstorm Warning | DLH | Cass | 35 min |
| Sep 22, 4:28 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 21 min |
| Sep 22, 4:32 AM CDT | Severe Thunderstorm Warning | DLH | Cass, Crow Wing | 28 min |
| Sep 22, 4:48 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Crow Wing | 42 min |
| Sep 22, 5:25 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Crow Wing, Itasca | 50 min |
| Sep 22, 5:26 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Crow Wing, Pine, Saint Louis | 49 min |
| Sep 22, 5:29 AM CDT | Severe Thunderstorm Warning | DLH | Crow Wing | 13 min |
| Sep 22, 5:40 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 21 min |
| Sep 22, 5:44 AM CDT | Severe Thunderstorm Warning | DLH | Pine | 31 min |
| Sep 22, 6:19 AM CDT | Severe Thunderstorm Warning | DLH | Pine | 41 min |
| Sep 22, 6:22 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Pine | 23 min |
| Sep 22, 6:41 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 34 min |
| Sep 22, 6:57 AM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 33 min |
| Sep 22, 7:14 AM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 31 min |
| Sep 22, 7:28 AM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 17 min |
| Sep 22, 7:41 AM CDT | Severe Thunderstorm Warning | DLH | Cook, Lake, Saint Louis | 34 min |
| Sep 22, 8:23 AM CDT | Severe Thunderstorm Warning | DLH | Carlton | 37 min |
| Sep 22, 8:28 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods, Marshall | 62 min |
| Sep 22, 9:11 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods, Marshall, Pennington | 64 min |
| Sep 22, 9:11 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 49 min |
| Sep 24, 3:08 PM CDT | Severe Thunderstorm Warning | FSD | Jackson, Murray, Nobles, Rock | 37 min |
| Sep 24, 4:27 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Crow Wing | 48 min |
| Sep 24, 4:36 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Itasca | 39 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Louis County18
- Aitkin County14
- Cass County12
- Itasca County10
- Carlton County10
- Lake County9
- Crow Wing County8
- Pine County7
- Koochiching County4
- Rock County4
- Becker County3
- Hubbard County3
- Douglas County3
- Beltrami County3
- Pipestone County3
- Nobles County3
- Grant County3
- Otter Tail County3
- Stearns County3
- Todd County3
- Renville County3
- Benton County3
- Morrison County3
- Sherburne County3
- Cook County2
- Freeborn County2
- Pennington County2
- Big Stone County2
- Lac qui Parle County2
- Stevens County2
- Swift County2
- Traverse County2
- Murray County2
- Pope County2
- Kandiyohi County2
- Meeker County2
- Sibley County2
- Kanabec County2
- Mille Lacs County2
- Lake of the Woods County2
26 more counties
- Marshall County2
- Rice County1
- Steele County1
- Waseca County1
- Faribault County1
- Carver County1
- Hennepin County1
- Scott County1
- Clay County1
- Norman County1
- Clearwater County1
- Mahnomen County1
- Polk County1
- Red Lake County1
- Lincoln County1
- Lyon County1
- Brown County1
- Nicollet County1
- Redwood County1
- Wright County1
- McLeod County1
- Isanti County1
- Chisago County1
- Wilkin County1
- Yellow Medicine County1
- Jackson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.