Alert archive / Michigan / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Michigan, 2021
427 severe thunderstorm warnings in 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 427
- Busiest month
- August155 severe thunderstorm warnings
- Busiest day
- August 11, 202149 severe thunderstorm warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 4:26 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 27 min |
| Apr 27, 3:20 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix | 33 min |
| May 25, 6:28 PM EDT | Severe Thunderstorm Warning | MQT | Ontonagon | 32 min |
| May 25, 6:31 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Keweenaw | 29 min |
| May 25, 6:55 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Ontonagon | 35 min |
| May 25, 7:30 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Marquette | 30 min |
| May 25, 9:30 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Menominee | 45 min |
| May 31, 12:36 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton | 24 min |
| May 31, 12:43 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton | 32 min |
| May 31, 1:09 PM EDT | Severe Thunderstorm Warning | MQT | Baraga | 36 min |
| Jun 8, 4:44 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 31 min |
| Jun 8, 5:16 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 44 min |
| Jun 8, 5:46 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Marquette | 44 min |
| Jun 8, 6:09 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson | 36 min |
| Jun 8, 6:36 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson | 39 min |
| Jun 10, 2:38 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic | 37 min |
| Jun 10, 3:14 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 31 min |
| Jun 10, 3:30 PM EDT | Severe Thunderstorm Warning | MQT | Ontonagon | 30 min |
| Jun 10, 3:37 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic | 23 min |
| Jun 10, 3:46 PM EDT | Severe Thunderstorm Warning | MQT | Ontonagon | 29 min |
| Jun 10, 5:12 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic | 48 min |
| Jun 10, 5:32 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton | 13 min |
| Jun 10, 6:37 PM EDT | Severe Thunderstorm Warning | MQT | Houghton | 23 min |
| Jun 11, 3:19 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 56 min |
| Jun 11, 3:46 PM EDT | Severe Thunderstorm Warning | GRR | Clare | 44 min |
| Jun 11, 3:47 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 43 min |
| Jun 12, 4:36 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella | 39 min |
| Jun 12, 5:38 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 67 min |
| Jun 12, 5:44 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot, Montcalm | 46 min |
| Jun 12, 6:21 PM EDT | Severe Thunderstorm Warning | APX | Montmorency, Oscoda | 40 min |
| Jun 12, 6:29 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Roscommon | 48 min |
| Jun 12, 6:37 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ingham | 38 min |
| Jun 12, 6:44 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Roscommon | 46 min |
| Jun 12, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Shiawassee | 75 min |
| Jun 12, 6:45 PM EDT | Severe Thunderstorm Warning | GRR | Clare, Osceola | 30 min |
| Jun 12, 6:55 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw, Roscommon | 31 min |
| Jun 12, 7:22 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 38 min |
| Jun 12, 7:24 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 51 min |
| Jun 12, 7:43 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella, Mecosta, Montcalm | 47 min |
| Jun 12, 7:55 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 24 min |
| Jun 12, 7:59 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 76 min |
| Jun 12, 8:03 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 57 min |
| Jun 12, 8:12 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 18 min |
| Jun 12, 8:16 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 32 min |
| Jun 12, 8:59 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Saginaw | 24 min |
| Jun 13, 7:29 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron | 31 min |
| Jun 18, 5:45 AM EDT | Severe Thunderstorm Warning | GRR | Allegan, Kent, Ottawa | 45 min |
| Jun 19, 7:35 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 40 min |
| Jun 19, 7:48 PM EDT | Severe Thunderstorm Warning | IWX | Cass | 42 min |
| Jun 19, 8:20 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 40 min |
| Jun 19, 9:21 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 39 min |
| Jun 19, 9:59 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 17 min |
| Jun 19, 10:02 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 58 min |
| Jun 20, 6:42 PM EDT | Severe Thunderstorm Warning | IWX | Cass | 26 min |
| Jun 20, 6:58 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 28 min |
| Jun 20, 7:05 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 55 min |
| Jun 20, 7:19 PM EDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 41 min |
| Jun 20, 7:29 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 31 min |
| Jun 20, 7:49 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 26 min |
| Jun 20, 7:56 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Calhoun, Kalamazoo, Van Buren | 64 min |
| Jun 20, 7:58 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 32 min |
| Jun 20, 8:11 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 37 min |
| Jun 20, 8:42 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton, Ingham, Jackson | 63 min |
| Jun 20, 8:53 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 67 min |
| Jun 20, 8:57 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 33 min |
| Jun 20, 9:02 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 58 min |
| Jun 20, 9:12 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 63 min |
| Jun 20, 9:34 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Shiawassee | 44 min |
| Jun 20, 9:38 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 52 min |
| Jun 20, 9:42 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe, Washtenaw, Wayne | 63 min |
| Jun 20, 10:25 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 41 min |
| Jun 20, 10:44 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 61 min |
| Jun 21, 12:37 AM EDT | Severe Thunderstorm Warning | IWX | Berrien | 38 min |
| Jun 21, 12:38 AM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 67 min |
| Jun 21, 12:47 AM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 43 min |
| Jun 21, 1:30 AM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 60 min |
| Jun 21, 1:30 AM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 45 min |
| Jun 21, 1:33 AM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 57 min |
| Jun 21, 1:58 AM EDT | Severe Thunderstorm Warning | IWX | Branch, Cass, Saint Joseph | 34 min |
| Jun 21, 3:35 AM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 40 min |
| Jun 21, 3:54 AM EDT | Severe Thunderstorm Warning | DTX | Monroe | 51 min |
| Jun 26, 3:16 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 32 min |
| Jun 26, 3:25 PM EDT | Severe Thunderstorm Warning | GRR | Allegan | 57 min |
| Jun 26, 3:31 PM EDT | Severe Thunderstorm Warning | GRR | Mecosta | 59 min |
| Jun 26, 4:38 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 24 min |
| Jun 26, 4:55 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Calhoun, Eaton, Kalamazoo | 65 min |
| Jun 26, 5:18 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 27 min |
| Jun 26, 5:20 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 55 min |
| Jun 26, 5:30 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 17 min |
| Jun 26, 5:32 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 58 min |
| Jun 26, 5:42 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 50 min |
| Jun 26, 6:10 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 80 min |
| Jun 26, 6:41 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 79 min |
| Jun 26, 6:49 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 43 min |
| Jun 26, 7:14 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Ingham, Jackson | 61 min |
| Jun 26, 7:16 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 44 min |
| Jun 26, 7:53 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 52 min |
| Jun 26, 7:54 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 51 min |
| Jun 26, 8:21 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 39 min |
| Jun 28, 7:26 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 35 min |
| Jun 28, 7:46 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Ottawa | 44 min |
| Jun 29, 1:06 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Livingston, Oakland, Shiawassee | 54 min |
| Jun 29, 1:19 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 41 min |
| Jun 29, 1:55 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer, Oakland | 38 min |
| Jun 29, 2:02 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 58 min |
| Jun 29, 3:09 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 23 min |
| Jun 29, 8:52 PM EDT | Severe Thunderstorm Warning | APX | Leelanau | 38 min |
| Jun 30, 1:39 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Marquette, Menominee | 51 min |
| Jun 30, 2:29 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 46 min |
| Jul 5, 2:43 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 17 min |
| Jul 5, 3:01 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 14 min |
| Jul 5, 3:15 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 15 min |
| Jul 5, 6:32 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 28 min |
| Jul 5, 8:34 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 26 min |
| Jul 6, 9:31 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 25 min |
| Jul 6, 9:45 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 41 min |
| Jul 6, 10:16 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Tuscola | 45 min |
| Jul 6, 10:49 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 32 min |
| Jul 7, 12:54 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 66 min |
| Jul 7, 1:45 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 13 min |
| Jul 7, 1:49 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 41 min |
| Jul 7, 2:31 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 32 min |
| Jul 7, 2:37 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 38 min |
| Jul 7, 2:39 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 50 min |
| Jul 7, 2:47 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Oakland | 58 min |
| Jul 7, 2:54 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 46 min |
| Jul 7, 2:59 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton, Ingham, Jackson | 77 min |
| Jul 7, 3:10 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 65 min |
| Jul 7, 3:26 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 49 min |
| Jul 7, 3:38 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 67 min |
| Jul 7, 4:15 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 30 min |
| Jul 7, 4:18 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 57 min |
| Jul 7, 5:06 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 24 min |
| Jul 7, 5:09 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 51 min |
| Jul 7, 5:18 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 27 min |
| Jul 8, 4:44 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 31 min |
| Jul 14, 3:16 PM EDT | Severe Thunderstorm Warning | MQT | Schoolcraft | 17 min |
| Jul 14, 3:36 PM EDT | Severe Thunderstorm Warning | APX | Chippewa | 45 min |
| Jul 20, 2:57 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 51 min |
| Jul 20, 4:57 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 63 min |
| Jul 20, 5:59 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Macomb, Oakland, Saint Clair | 61 min |
| Jul 20, 6:43 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 62 min |
| Jul 20, 7:28 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 62 min |
| Jul 20, 8:06 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 54 min |
| Jul 24, 2:58 PM EDT | Severe Thunderstorm Warning | GRR | Clare | 32 min |
| Jul 24, 3:16 PM EDT | Severe Thunderstorm Warning | APX | Arenac | 29 min |
| Jul 24, 3:21 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 54 min |
| Jul 24, 3:38 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 67 min |
| Jul 24, 4:03 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 57 min |
| Jul 24, 4:08 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 67 min |
| Jul 24, 4:37 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac, Tuscola | 53 min |
| Jul 24, 4:38 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 52 min |
| Jul 24, 4:57 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Genesee, Saginaw, Shiawassee | 63 min |
| Jul 24, 5:11 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer, Tuscola | 64 min |
| Jul 24, 5:23 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 36 min |
| Jul 24, 5:49 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 37 min |
| Jul 24, 5:50 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Kent, Ottawa | 55 min |
| Jul 24, 6:06 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 54 min |
| Jul 24, 6:11 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer | 64 min |
| Jul 24, 6:43 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 62 min |
| Jul 24, 6:49 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 41 min |
| Jul 24, 6:58 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Eaton, Ingham | 62 min |
| Jul 24, 7:17 PM EDT | Severe Thunderstorm Warning | GRR | Eaton, Ingham | 43 min |
| Jul 24, 7:17 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 43 min |
| Jul 24, 7:40 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland | 80 min |
| Jul 24, 8:01 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 59 min |
| Jul 24, 8:07 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 38 min |
| Jul 24, 8:14 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw, Wayne | 76 min |
| Jul 24, 8:41 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 34 min |
| Jul 24, 8:50 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 55 min |
| Jul 24, 8:58 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 77 min |
| Jul 24, 9:30 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 16 min |
| Jul 24, 9:41 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 44 min |
| Jul 26, 4:52 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 23 min |
| Jul 26, 8:12 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 33 min |
| Jul 26, 8:42 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Menominee | 33 min |
| Jul 26, 10:12 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 33 min |
| Jul 26, 10:42 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Iron | 33 min |
| Jul 26, 10:43 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 47 min |
| Jul 26, 11:26 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Iron | 49 min |
| Jul 26, 11:53 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron | 52 min |
| Jul 27, 12:43 AM EDT | Severe Thunderstorm Warning | MQT | Delta, Dickinson, Marquette, Menominee | 32 min |
| Jul 27, 12:47 AM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 43 min |
| Jul 27, 12:50 AM EDT | Severe Thunderstorm Warning | APX | Mackinac | 40 min |
| Jul 27, 1:09 AM EDT | Severe Thunderstorm Warning | MQT | Delta, Menominee | 51 min |
| Jul 29, 4:05 AM EDT | Severe Thunderstorm Warning | GRR | Allegan, Ottawa, Van Buren | 55 min |
| Jul 29, 4:09 AM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 36 min |
| Jul 29, 4:47 AM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Calhoun, Kalamazoo, Van Buren | 58 min |
| Jul 31, 8:42 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Manistee, Wexford | 24 min |
| Aug 6, 8:33 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 39 min |
| Aug 9, 1:49 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland, Washtenaw | 30 min |
| Aug 9, 3:13 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 44 min |
| Aug 9, 3:34 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 56 min |
| Aug 10, 1:18 AM EDT | Severe Thunderstorm Warning | IWX | Cass | 27 min |
| Aug 10, 1:53 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 52 min |
| Aug 10, 2:00 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Houghton, Iron, Ontonagon | 45 min |
| Aug 10, 2:08 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Houghton, Ontonagon | 52 min |
| Aug 10, 2:23 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Ontonagon | 52 min |
| Aug 10, 2:29 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Iron | 46 min |
| Aug 10, 3:07 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Dickinson, Iron, Marquette | 53 min |
| Aug 10, 3:46 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron, Marquette | 44 min |
| Aug 10, 3:51 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 39 min |
| Aug 10, 4:13 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Marquette | 47 min |
| Aug 10, 4:15 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Gogebic, Houghton, Iron, Ontonagon | 45 min |
| Aug 10, 4:35 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Dickinson, Marquette, Menominee | 25 min |
| Aug 10, 4:53 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Marquette | 52 min |
| Aug 10, 5:54 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Marquette | 51 min |
| Aug 10, 9:40 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Mason, Muskegon, Oceana, Ottawa, Van Buren | 73 min |
| Aug 10, 9:44 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix | 46 min |
| Aug 10, 9:56 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 49 min |
| Aug 10, 10:02 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Kalamazoo, Kent, Lake, Newaygo | 58 min |
| Aug 10, 10:03 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 27 min |
| Aug 10, 10:04 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Leelanau, Manistee, Wexford | 41 min |
| Aug 10, 10:18 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 57 min |
| Aug 10, 10:30 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Kalkaska | 30 min |
| Aug 10, 10:41 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton, Ionia, Mecosta, Montcalm, Osceola | 64 min |
| Aug 10, 10:42 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 48 min |
| Aug 10, 10:45 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Kalkaska, Leelanau, Missaukee, Wexford | 45 min |
| Aug 10, 10:58 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Crawford, Kalkaska, Otsego | 32 min |
| Aug 10, 11:09 PM EDT | Severe Thunderstorm Warning | GRR | Clare, Clinton, Gratiot, Ingham, Isabella, Jackson | 66 min |
| Aug 10, 11:24 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Crawford, Kalkaska, Otsego | 51 min |
| Aug 10, 11:28 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Kalkaska, Missaukee, Roscommon | 32 min |
| Aug 10, 11:43 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 62 min |
| Aug 11, 12:02 AM EDT | Severe Thunderstorm Warning | DTX | Genesee, Livingston, Oakland, Shiawassee, Washtenaw | 58 min |
| Aug 11, 12:28 AM EDT | Severe Thunderstorm Warning | APX | Alcona, Arenac, Iosco, Ogemaw, Oscoda | 47 min |
| Aug 11, 12:31 AM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena, Montmorency, Oscoda, Presque Isle | 44 min |
| Aug 11, 12:43 AM EDT | Severe Thunderstorm Warning | DTX | Bay, Huron, Saginaw, Tuscola | 47 min |
| Aug 11, 12:51 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Ottawa | 28 min |
| Aug 11, 1:39 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale, Saint Joseph | 36 min |
| Aug 11, 1:56 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 38 min |
| Aug 11, 2:02 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 43 min |
| Aug 11, 2:08 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 58 min |
| Aug 11, 2:11 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot, Ionia, Montcalm | 49 min |
| Aug 11, 2:22 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 68 min |
| Aug 11, 2:31 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 42 min |
| Aug 11, 2:38 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 34 min |
| Aug 11, 2:42 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 63 min |
| Aug 11, 2:44 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 46 min |
| Aug 11, 2:59 PM EDT | Severe Thunderstorm Warning | DTX | Monroe, Wayne | 76 min |
| Aug 11, 3:09 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 66 min |
| Aug 11, 3:16 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee | 59 min |
| Aug 11, 3:36 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Macomb, Saint Clair, Sanilac | 69 min |
| Aug 11, 3:47 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 43 min |
| Aug 11, 4:11 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 49 min |
| Aug 11, 4:54 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan | 51 min |
| Aug 11, 5:00 PM EDT | Severe Thunderstorm Warning | APX | Emmet | 18 min |
| Aug 11, 5:24 PM EDT | Severe Thunderstorm Warning | APX | Charlevoix, Cheboygan, Emmet | 36 min |
| Aug 11, 5:30 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Benzie, Grand Traverse, Kalkaska, Leelanau | 45 min |
| Aug 11, 5:43 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Emmet, Presque Isle | 47 min |
| Aug 11, 5:52 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 38 min |
| Aug 11, 6:00 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Leelanau | 30 min |
| Aug 11, 6:09 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Crawford, Kalkaska, Otsego | 35 min |
| Aug 11, 6:24 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Benzie, Grand Traverse, Kalkaska, Leelanau | 51 min |
| Aug 11, 6:31 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Montmorency, Oscoda, Otsego | 44 min |
| Aug 11, 6:58 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena, Presque Isle | 47 min |
| Aug 11, 7:32 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon | 43 min |
| Aug 11, 8:19 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Ottawa | 72 min |
| Aug 11, 8:56 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Kent | 49 min |
| Aug 11, 9:30 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Clinton, Eaton, Ionia | 45 min |
| Aug 12, 5:52 AM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale, Saint Joseph | 23 min |
| Aug 12, 6:12 AM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 33 min |
| Aug 12, 6:15 AM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 45 min |
| Aug 12, 6:31 AM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Livingston, Monroe, Washtenaw | 59 min |
| Aug 12, 7:09 AM EDT | Severe Thunderstorm Warning | DTX | Macomb, Monroe, Oakland, Wayne | 45 min |
| Aug 13, 4:07 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 68 min |
| Aug 24, 3:48 PM EDT | Severe Thunderstorm Warning | GRR | Mason, Oceana | 42 min |
| Aug 24, 4:43 PM EDT | Severe Thunderstorm Warning | GRR | Newaygo | 49 min |
| Aug 24, 4:45 PM EDT | Severe Thunderstorm Warning | GRR | Lake | 45 min |
| Aug 24, 4:53 PM EDT | Severe Thunderstorm Warning | GRR | Newaygo | 40 min |
| Aug 24, 5:10 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Mecosta, Montcalm, Osceola | 50 min |
| Aug 24, 5:56 PM EDT | Severe Thunderstorm Warning | GRR | Clare, Isabella | 64 min |
| Aug 24, 6:06 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot, Ionia, Montcalm | 84 min |
| Aug 24, 6:07 PM EDT | Severe Thunderstorm Warning | DTX | Midland | 53 min |
| Aug 24, 6:20 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 25 min |
| Aug 24, 6:25 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 52 min |
| Aug 24, 6:47 PM EDT | Severe Thunderstorm Warning | APX | Arenac | 58 min |
| Aug 24, 6:47 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 28 min |
| Aug 24, 6:48 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Clinton, Eaton, Ingham, Ionia | 42 min |
| Aug 24, 6:52 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 53 min |
| Aug 24, 7:13 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 62 min |
| Aug 24, 7:30 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 45 min |
| Aug 24, 7:45 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 35 min |
| Aug 24, 8:02 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 30 min |
| Aug 24, 8:29 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 46 min |
| Aug 24, 8:30 PM EDT | Severe Thunderstorm Warning | IWX | Cass | 30 min |
| Aug 24, 8:37 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Kalamazoo | 42 min |
| Aug 24, 9:02 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass, Saint Joseph | 43 min |
| Aug 27, 7:36 PM EDT | Severe Thunderstorm Warning | GRR | Lake | 39 min |
| Aug 27, 7:49 PM EDT | Severe Thunderstorm Warning | GRR | Lake | 41 min |
| Aug 27, 8:12 PM EDT | Severe Thunderstorm Warning | GRR | Mecosta, Newaygo | 48 min |
| Aug 28, 12:49 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Manistee, Wexford | 56 min |
| Aug 28, 2:50 AM EDT | Severe Thunderstorm Warning | GRR | Lake, Osceola | 55 min |
| Aug 28, 3:35 AM EDT | Severe Thunderstorm Warning | GRR | Clare | 55 min |
| Aug 28, 3:42 AM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Missaukee, Ogemaw, Roscommon | 63 min |
| Aug 28, 4:15 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Kalkaska, Manistee, Missaukee, Wexford | 60 min |
| Aug 28, 2:07 PM EDT | Severe Thunderstorm Warning | APX | Kalkaska | 38 min |
| Aug 28, 2:59 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Ogemaw, Oscoda, Roscommon | 46 min |
| Aug 28, 3:57 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 33 min |
| Aug 28, 4:01 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency | 49 min |
| Aug 28, 4:17 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Iosco, Ogemaw, Oscoda | 43 min |
| Aug 28, 4:52 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Iosco | 56 min |
| Aug 28, 5:05 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Iosco, Ogemaw | 55 min |
| Aug 28, 5:09 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 36 min |
| Aug 28, 5:51 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton | 39 min |
| Aug 28, 5:52 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 68 min |
| Aug 28, 5:57 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 48 min |
| Aug 28, 6:16 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 59 min |
| Aug 28, 6:22 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 38 min |
| Aug 28, 6:28 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Marquette | 47 min |
| Aug 28, 6:43 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 47 min |
| Aug 28, 6:51 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Tuscola | 54 min |
| Aug 28, 7:02 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 58 min |
| Aug 28, 7:11 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 64 min |
| Aug 28, 7:12 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 13 min |
| Aug 28, 7:22 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 23 min |
| Aug 28, 7:33 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 42 min |
| Aug 28, 10:00 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 20 min |
| Aug 29, 2:16 AM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 44 min |
| Aug 29, 1:37 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Emmet, Grand Traverse, Leelanau | 38 min |
| Aug 29, 1:39 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 51 min |
| Aug 29, 1:58 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Emmet | 47 min |
| Aug 29, 2:12 PM EDT | Severe Thunderstorm Warning | APX | Kalkaska, Missaukee, Wexford | 48 min |
| Aug 29, 2:17 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Cheboygan, Emmet, Otsego | 43 min |
| Aug 29, 2:28 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Kalkaska, Otsego | 32 min |
| Aug 29, 2:55 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Montmorency, Otsego, Presque Isle | 35 min |
| Aug 29, 3:01 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Missaukee, Oscoda, Roscommon | 38 min |
| Aug 29, 3:18 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon | 28 min |
| Aug 29, 3:22 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency, Presque Isle | 53 min |
| Aug 29, 3:26 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Ionia, Kent | 28 min |
| Aug 29, 3:36 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw, Oscoda, Roscommon | 24 min |
| Aug 29, 4:04 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ionia | 56 min |
| Aug 29, 4:30 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 75 min |
| Aug 29, 4:58 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 62 min |
| Aug 29, 5:11 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Genesee, Tuscola | 79 min |
| Aug 29, 5:21 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 24 min |
| Aug 29, 5:25 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 65 min |
| Aug 29, 5:56 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 64 min |
| Aug 29, 5:58 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 62 min |
| Aug 29, 6:00 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 59 min |
| Aug 29, 6:13 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 77 min |
| Aug 29, 6:37 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 83 min |
| Aug 29, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 75 min |
| Aug 29, 7:00 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 57 min |
| Sep 7, 4:20 AM EDT | Severe Thunderstorm Warning | MQT | Baraga | 25 min |
| Sep 7, 4:44 AM EDT | Severe Thunderstorm Warning | MQT | Baraga, Marquette | 46 min |
| Sep 7, 8:40 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Leelanau | 50 min |
| Sep 7, 8:57 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Manistee | 33 min |
| Sep 7, 9:25 AM EDT | Severe Thunderstorm Warning | APX | Antrim, Grand Traverse, Kalkaska | 50 min |
| Sep 7, 9:29 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Kalkaska, Manistee, Missaukee, Wexford | 46 min |
| Sep 7, 10:26 AM EDT | Severe Thunderstorm Warning | APX | Missaukee, Wexford | 34 min |
| Sep 7, 11:06 AM EDT | Severe Thunderstorm Warning | APX | Crawford, Missaukee, Ogemaw, Oscoda, Roscommon | 24 min |
| Sep 7, 11:24 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Manistee | 51 min |
| Sep 7, 11:28 AM EDT | Severe Thunderstorm Warning | APX | Crawford, Kalkaska | 47 min |
| Sep 7, 11:30 AM EDT | Severe Thunderstorm Warning | APX | Alcona, Crawford, Iosco, Ogemaw, Oscoda, Roscommon | 45 min |
| Sep 7, 11:56 AM EDT | Severe Thunderstorm Warning | APX | Manistee, Missaukee, Wexford | 34 min |
| Sep 7, 12:00 PM EDT | Severe Thunderstorm Warning | APX | Manistee | 30 min |
| Sep 7, 12:08 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Iosco, Ogemaw | 14 min |
| Sep 7, 12:25 PM EDT | Severe Thunderstorm Warning | GRR | Mason | 65 min |
| Sep 7, 12:28 PM EDT | Severe Thunderstorm Warning | APX | Missaukee, Roscommon, Wexford | 47 min |
| Sep 7, 12:32 PM EDT | Severe Thunderstorm Warning | GRR | Lake, Osceola | 58 min |
| Sep 7, 12:54 PM EDT | Severe Thunderstorm Warning | GRR | Oceana | 66 min |
| Sep 7, 1:09 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 16 min |
| Sep 7, 1:13 PM EDT | Severe Thunderstorm Warning | GRR | Lake, Newaygo | 37 min |
| Sep 7, 1:29 PM EDT | Severe Thunderstorm Warning | APX | Wexford | 19 min |
| Sep 7, 1:31 PM EDT | Severe Thunderstorm Warning | APX | Missaukee, Roscommon | 29 min |
| Sep 7, 1:37 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena, Iosco | 38 min |
| Sep 7, 1:39 PM EDT | Severe Thunderstorm Warning | GRR | Osceola | 38 min |
| Sep 7, 1:47 PM EDT | Severe Thunderstorm Warning | APX | Iosco, Ogemaw | 58 min |
| Sep 7, 1:51 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon, Oceana | 54 min |
| Sep 7, 2:03 PM EDT | Severe Thunderstorm Warning | GRR | Clare | 46 min |
| Sep 7, 2:20 PM EDT | Severe Thunderstorm Warning | GRR | Isabella, Mecosta, Newaygo | 55 min |
| Sep 7, 2:22 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Iosco, Ogemaw | 53 min |
| Sep 7, 2:40 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 39 min |
| Sep 7, 2:54 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 66 min |
| Sep 7, 3:04 PM EDT | Severe Thunderstorm Warning | GRR | Montcalm | 56 min |
| Sep 7, 3:24 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 66 min |
| Sep 7, 3:26 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot, Ionia | 64 min |
| Sep 7, 3:30 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 75 min |
| Sep 7, 3:53 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 82 min |
| Sep 7, 4:03 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 27 min |
| Sep 7, 4:05 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 55 min |
| Sep 7, 4:27 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass, Saint Joseph | 48 min |
| Sep 7, 4:45 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 31 min |
| Sep 7, 4:49 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Kalamazoo | 42 min |
| Sep 7, 5:13 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Calhoun, Eaton | 47 min |
| Sep 7, 5:24 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 19 min |
| Sep 7, 5:40 PM EDT | Severe Thunderstorm Warning | GRR | Ingham, Jackson | 50 min |
| Sep 7, 5:55 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Shiawassee | 80 min |
| Sep 7, 6:01 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 29 min |
| Sep 7, 7:36 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 17 min |
| Sep 7, 7:46 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 29 min |
| Sep 7, 7:55 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 33 min |
| Sep 12, 4:56 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 34 min |
| Sep 12, 4:57 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 62 min |
| Sep 12, 5:32 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee | 58 min |
| Sep 12, 6:09 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 26 min |
| Sep 12, 6:40 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon, Ottawa | 35 min |
| Sep 12, 7:16 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Montcalm | 45 min |
| Sep 12, 7:37 PM EDT | Severe Thunderstorm Warning | DTX | Midland, Saginaw | 57 min |
| Sep 12, 8:16 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Tuscola | 41 min |
| Sep 12, 8:32 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 39 min |
| Sep 12, 8:56 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair, Sanilac | 39 min |
| Sep 13, 11:37 AM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 53 min |
| Sep 13, 1:18 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 16 min |
| Sep 13, 1:19 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland, Shiawassee | 56 min |
| Sep 14, 9:22 AM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 23 min |
| Sep 14, 9:34 AM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Otsego | 26 min |
| Sep 14, 2:52 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe, Washtenaw | 53 min |
| Sep 14, 3:41 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 24 min |
| Sep 14, 3:54 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 49 min |
| Sep 14, 4:03 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland, Washtenaw | 24 min |
| Sep 14, 4:04 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac | 35 min |
| Sep 14, 4:11 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland, Wayne | 36 min |
| Sep 14, 4:19 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Tuscola | 56 min |
| Sep 14, 4:28 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 62 min |
| Sep 14, 5:49 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 41 min |
| Sep 14, 5:58 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 43 min |
| Sep 14, 6:01 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 59 min |
| Sep 14, 7:25 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 80 min |
| Sep 14, 7:53 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 67 min |
| Sep 14, 8:30 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 36 min |
| Oct 10, 10:03 PM EDT | Severe Thunderstorm Warning | MQT | Keweenaw | 35 min |
| Oct 11, 4:49 PM EDT | Severe Thunderstorm Warning | GRR | Osceola | 26 min |
| Oct 11, 7:27 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 32 min |
| Oct 11, 8:34 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 26 min |
| Oct 12, 12:00 AM EDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 30 min |
| Dec 10, 11:47 PM EST | Severe Thunderstorm Warning | IWX | Berrien, Cass | 28 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berrien County21
- Cass County20
- Oakland County20
- Saginaw County18
- Shiawassee County17
- Livingston County17
- Marquette County16
- Clinton County15
- Ingham County15
- Calhoun County15
- Lapeer County15
- Macomb County15
- Kalkaska County15
- Ontonagon County14
- Houghton County14
- Baraga County14
- Gratiot County14
- Washtenaw County14
- Bay County14
- Saint Joseph County14
- Lenawee County14
- Gogebic County13
- Hillsdale County13
- Antrim County12
- Dickinson County12
- Roscommon County12
- Ogemaw County12
- Alcona County12
- Allegan County12
- Wayne County12
- Genesee County12
- Benzie County12
- Grand Traverse County12
- Missaukee County12
- Ottawa County11
- Delta County11
- Gladwin County11
- Branch County11
- Barry County11
- Monroe County11
42 more counties
- Huron County11
- Wexford County11
- Kent County10
- Oscoda County10
- Midland County10
- Jackson County10
- Cheboygan County10
- Tuscola County10
- Crawford County10
- Iosco County10
- Menominee County9
- Iron County9
- Van Buren County9
- Eaton County9
- Presque Isle County9
- Sanilac County9
- Manistee County9
- Montcalm County8
- Kalamazoo County8
- Leelanau County8
- Ionia County8
- Otsego County8
- Clare County7
- Osceola County7
- Saint Clair County7
- Lake County7
- Charlevoix County6
- Montmorency County6
- Mecosta County6
- Arenac County6
- Newaygo County6
- Emmet County6
- Isabella County5
- Muskegon County5
- Alpena County5
- Alger County4
- Chippewa County4
- Mackinac County4
- Oceana County4
- Mason County3
- Keweenaw County2
- Schoolcraft County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.