Alert archive / Michigan / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Michigan, 1991
195 severe thunderstorm warnings in 1991. 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 1991. Tap one for its archive.
- Severe Thunderstorm Warnings
- 195
- Busiest month
- July67 severe thunderstorm warnings
- Busiest day
- July 7, 199131 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 |
|---|---|---|---|---|
| Mar 21, 11:53 PM EST | Severe Thunderstorm Warning | GRR | Allegan | 37 min |
| Mar 22, 12:07 AM EST | Severe Thunderstorm Warning | GRR | Barry | 38 min |
| Mar 22, 12:22 AM EST | Severe Thunderstorm Warning | GRR | Eaton | 38 min |
| Mar 22, 11:16 PM EST | Severe Thunderstorm Warning | IND | Berrien, Cass | 29 min |
| Mar 27, 12:22 AM EST | Severe Thunderstorm Warning | DTX | Huron, Tuscola | 53 min |
| Mar 27, 3:45 AM EST | Severe Thunderstorm Warning | IND | Berrien | 30 min |
| Mar 27, 4:43 AM EST | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 22 min |
| Mar 27, 7:50 AM EST | Severe Thunderstorm Warning | GRR | Barry | 25 min |
| Mar 27, 4:53 PM EST | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Manistee | 67 min |
| Mar 27, 5:29 PM EST | Severe Thunderstorm Warning | APX | Muskegon, Newaygo, Oceana | 61 min |
| Mar 27, 6:04 PM EST | Severe Thunderstorm Warning | IND | Berrien | 26 min |
| Mar 27, 6:15 PM EST | Severe Thunderstorm Warning | DTX | Clare | 45 min |
| Mar 27, 6:28 PM EST | Severe Thunderstorm Warning | IND | Berrien | 32 min |
| Mar 27, 6:30 PM EST | Severe Thunderstorm Warning | DTX | Roscommon | 45 min |
| Mar 27, 6:32 PM EST | Severe Thunderstorm Warning | GRR | Isabella | 58 min |
| Mar 27, 6:33 PM EST | Severe Thunderstorm Warning | GRR | Allegan, Kent, Montcalm, Ottawa | 57 min |
| Mar 27, 6:36 PM EST | Severe Thunderstorm Warning | DTX | Crawford | 54 min |
| Mar 27, 6:45 PM EST | Severe Thunderstorm Warning | IND | Cass | 30 min |
| Mar 27, 6:48 PM EST | Severe Thunderstorm Warning | DTX | Gladwin | 42 min |
| Mar 27, 7:01 PM EST | Severe Thunderstorm Warning | GRR | Gratiot | 59 min |
| Mar 27, 7:02 PM EST | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 58 min |
| Mar 27, 7:03 PM EST | Severe Thunderstorm Warning | DTX | Ogemaw | 27 min |
| Mar 27, 7:07 PM EST | Severe Thunderstorm Warning | DTX | Midland | 68 min |
| Mar 27, 7:13 PM EST | Severe Thunderstorm Warning | GRR | Barry, Ionia | 32 min |
| Mar 27, 7:20 PM EST | Severe Thunderstorm Warning | DTX | Arenac, Bay | 55 min |
| Mar 27, 7:21 PM EST | Severe Thunderstorm Warning | APX | Alcona | 54 min |
| Mar 27, 7:24 PM EST | Severe Thunderstorm Warning | GRR | Calhoun, Eaton | 66 min |
| Mar 27, 7:24 PM EST | Severe Thunderstorm Warning | GRR | Clinton | 66 min |
| Mar 27, 7:28 PM EST | Severe Thunderstorm Warning | IND | Cass, Saint Joseph | 32 min |
| Mar 27, 7:48 PM EST | Severe Thunderstorm Warning | GRR | Ingham, Jackson | 57 min |
| Mar 27, 7:58 PM EST | Severe Thunderstorm Warning | GRR | Branch, Hillsdale | 62 min |
| Mar 27, 8:06 PM EST | Severe Thunderstorm Warning | DTX | Tuscola | 69 min |
| Mar 27, 8:06 PM EST | Severe Thunderstorm Warning | DTX | Genesee, Saginaw, Shiawassee | 69 min |
| Mar 27, 8:18 PM EST | Severe Thunderstorm Warning | DTX | Livingston | 42 min |
| Mar 27, 8:46 PM EST | Severe Thunderstorm Warning | DTX | Oakland, Washtenaw | 44 min |
| Mar 27, 8:46 PM EST | Severe Thunderstorm Warning | DTX | Lenawee | 44 min |
| Apr 9, 3:53 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 52 min |
| Apr 9, 4:17 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 28 min |
| Apr 9, 4:32 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 28 min |
| Apr 9, 4:40 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 65 min |
| Apr 9, 4:45 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 45 min |
| Apr 9, 5:05 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 55 min |
| Apr 9, 5:15 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 60 min |
| Apr 9, 5:45 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 2 hr |
| Apr 9, 5:45 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 60 min |
| Apr 15, 12:47 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer | 58 min |
| May 13, 4:20 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe, Washtenaw | 55 min |
| May 13, 5:08 PM EDT | Severe Thunderstorm Warning | DTX | Monroe, Wayne | 67 min |
| May 24, 11:26 AM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 44 min |
| May 24, 12:43 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Saginaw, Tuscola | 47 min |
| May 24, 12:56 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 34 min |
| May 25, 2:56 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 64 min |
| May 27, 11:29 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 31 min |
| May 28, 3:06 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 69 min |
| May 28, 3:21 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 69 min |
| May 28, 3:21 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 29 min |
| May 28, 4:01 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 29 min |
| May 28, 4:58 PM EDT | Severe Thunderstorm Warning | DTX | Otsego | 32 min |
| May 28, 5:09 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Montmorency, Presque Isle | 66 min |
| May 28, 5:18 PM EDT | Severe Thunderstorm Warning | APX | Montmorency | 42 min |
| May 28, 5:38 PM EDT | Severe Thunderstorm Warning | APX | Missaukee | 23 hr |
| May 28, 5:45 PM EDT | Severe Thunderstorm Warning | DTX | Crawford | 60 min |
| May 28, 6:00 PM EDT | Severe Thunderstorm Warning | DTX | Roscommon | 60 min |
| May 28, 6:12 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 63 min |
| May 28, 6:22 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 68 min |
| May 28, 6:30 PM EDT | Severe Thunderstorm Warning | DTX | Gladwin | 60 min |
| May 28, 6:34 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 56 min |
| May 28, 6:53 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 67 min |
| May 28, 7:19 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 56 min |
| May 28, 7:20 PM EDT | Severe Thunderstorm Warning | DTX | Gladwin | 40 min |
| May 28, 7:26 PM EDT | Severe Thunderstorm Warning | APX | Mason, Oceana | 64 min |
| May 28, 8:59 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 61 min |
| May 29, 12:34 AM EDT | Severe Thunderstorm Warning | DTX | Crawford | 41 min |
| May 29, 6:46 AM EDT | Severe Thunderstorm Warning | APX | Charlevoix | 44 min |
| May 29, 7:52 AM EDT | Severe Thunderstorm Warning | APX | Montmorency | 53 min |
| May 29, 8:15 AM EDT | Severe Thunderstorm Warning | APX | Alpena | 45 min |
| May 29, 8:15 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron | 60 min |
| May 29, 8:33 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 57 min |
| May 29, 9:11 PM EDT | Severe Thunderstorm Warning | APX | Arenac | 64 min |
| May 29, 9:12 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Tuscola | 63 min |
| May 29, 11:36 PM EDT | Severe Thunderstorm Warning | APX | Arenac | 84 min |
| May 29, 11:47 PM EDT | Severe Thunderstorm Warning | DTX | Gladwin | 88 min |
| May 30, 12:40 AM EDT | Severe Thunderstorm Warning | DTX | Ogemaw | 35 min |
| May 30, 6:01 PM EDT | Severe Thunderstorm Warning | IND | Cass | 44 min |
| May 30, 9:08 PM EDT | Severe Thunderstorm Warning | IND | Berrien | 37 min |
| May 31, 1:16 AM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 44 min |
| May 31, 5:21 PM EDT | Severe Thunderstorm Warning | IND | Berrien | 54 min |
| Jun 15, 3:05 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Sanilac | 40 min |
| Jun 15, 3:05 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 15 min |
| Jun 15, 3:39 PM EDT | Severe Thunderstorm Warning | DTX | Gladwin | 66 min |
| Jun 15, 4:16 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 59 min |
| Jun 15, 4:36 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 39 min |
| Jun 15, 4:56 PM EDT | Severe Thunderstorm Warning | IND | Cass | 49 min |
| Jun 15, 5:59 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 61 min |
| Jun 15, 6:59 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 46 min |
| Jun 27, 6:04 AM EDT | Severe Thunderstorm Warning | MQT | Houghton, Ontonagon | 56 min |
| Jun 27, 6:04 AM EDT | Severe Thunderstorm Warning | MQT | Keweenaw | 56 min |
| Jun 27, 8:02 AM EDT | Severe Thunderstorm Warning | APX | Luce | 58 min |
| Jun 27, 8:02 AM EDT | Severe Thunderstorm Warning | MQT | Alger | 58 min |
| Jun 27, 8:31 AM EDT | Severe Thunderstorm Warning | APX | Chippewa | 59 min |
| Jun 27, 8:31 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Ontonagon | 59 min |
| Jun 27, 8:31 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic | 59 min |
| Jun 27, 8:46 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 29 min |
| Jun 27, 9:11 PM EDT | Severe Thunderstorm Warning | MQT | Baraga | 64 min |
| Jun 27, 9:46 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Iron | 59 min |
| Jun 27, 10:09 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron | 66 min |
| Jun 28, 12:35 AM EDT | Severe Thunderstorm Warning | MQT | Delta, Dickinson, Marquette, Menominee | 55 min |
| Jun 28, 1:24 AM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 66 min |
| Jun 28, 1:24 AM EDT | Severe Thunderstorm Warning | MQT | Delta | 66 min |
| Jul 1, 6:28 PM EDT | Severe Thunderstorm Warning | GRR | Barry | 47 min |
| Jul 1, 8:35 PM EDT | Severe Thunderstorm Warning | IND | Cass | 25 min |
| Jul 1, 9:07 PM EDT | Severe Thunderstorm Warning | IND | Cass | 33 min |
| Jul 1, 9:07 PM EDT | Severe Thunderstorm Warning | IND | Saint Joseph | 53 min |
| Jul 3, 1:39 PM EDT | Severe Thunderstorm Warning | APX | Montmorency | 21 min |
| Jul 3, 1:53 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 67 min |
| Jul 3, 2:25 PM EDT | Severe Thunderstorm Warning | DTX | Ogemaw | 38 min |
| Jul 3, 3:34 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 41 min |
| Jul 3, 3:46 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 44 min |
| Jul 3, 3:46 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 29 min |
| Jul 3, 3:48 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 42 min |
| Jul 3, 4:25 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe, Washtenaw | 50 min |
| Jul 3, 4:33 PM EDT | Severe Thunderstorm Warning | GRR | Hillsdale | 42 min |
| Jul 3, 5:45 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 30 min |
| Jul 3, 6:29 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 61 min |
| Jul 3, 6:29 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 51 min |
| Jul 3, 7:02 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 35 min |
| Jul 4, 6:15 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 60 min |
| Jul 6, 4:53 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Presque Isle | 52 min |
| Jul 6, 5:55 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 50 min |
| Jul 6, 8:04 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 56 min |
| Jul 6, 9:02 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 58 min |
| Jul 6, 9:28 PM EDT | Severe Thunderstorm Warning | IND | Berrien | 32 min |
| Jul 6, 9:46 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 44 min |
| Jul 6, 9:58 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 47 min |
| Jul 6, 10:00 PM EDT | Severe Thunderstorm Warning | IND | Berrien | 15 min |
| Jul 6, 10:09 PM EDT | Severe Thunderstorm Warning | GRR | Ionia | 51 min |
| Jul 6, 10:23 PM EDT | Severe Thunderstorm Warning | GRR | Allegan | 52 min |
| Jul 6, 10:29 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 46 min |
| Jul 6, 10:32 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 58 min |
| Jul 6, 11:19 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 56 min |
| Jul 6, 11:33 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 42 min |
| Jul 6, 11:36 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 39 min |
| Jul 7, 12:03 AM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 57 min |
| Jul 7, 12:19 AM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 41 min |
| Jul 7, 12:29 AM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 61 min |
| Jul 7, 12:52 AM EDT | Severe Thunderstorm Warning | DTX | Genesee | 53 min |
| Jul 7, 6:03 PM EDT | Severe Thunderstorm Warning | APX | Mason, Muskegon, Oceana | 57 min |
| Jul 7, 6:24 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Ottawa | 36 min |
| Jul 7, 6:42 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 33 min |
| Jul 7, 6:53 PM EDT | Severe Thunderstorm Warning | IND | Berrien | 52 min |
| Jul 7, 6:57 PM EDT | Severe Thunderstorm Warning | GRR | Ionia, Montcalm | 48 min |
| Jul 7, 7:16 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Kent | 29 min |
| Jul 7, 7:22 PM EDT | Severe Thunderstorm Warning | GRR | Eaton | 68 min |
| Jul 7, 7:23 PM EDT | Severe Thunderstorm Warning | IND | Cass | 52 min |
| Jul 7, 7:28 PM EDT | Severe Thunderstorm Warning | IND | Saint Joseph | 47 min |
| Jul 7, 7:29 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 61 min |
| Jul 7, 7:30 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 30 min |
| Jul 7, 7:37 PM EDT | Severe Thunderstorm Warning | DTX | Clare | 33 min |
| Jul 7, 7:47 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot, Ingham | 43 min |
| Jul 7, 7:51 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 51 min |
| Jul 7, 8:00 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Saginaw | 30 min |
| Jul 7, 8:08 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 37 min |
| Jul 7, 8:15 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 60 min |
| Jul 7, 8:20 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Tuscola | 40 min |
| Jul 7, 8:21 PM EDT | Severe Thunderstorm Warning | GRR | Hillsdale | 69 min |
| Jul 7, 8:37 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 68 min |
| Jul 7, 8:43 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 62 min |
| Jul 7, 8:54 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe, Wayne | 66 min |
| Jul 7, 8:54 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 66 min |
| Jul 7, 8:58 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac, Tuscola | 47 min |
| Jul 17, 12:18 AM EDT | Severe Thunderstorm Warning | MQT | Baraga | 57 min |
| Jul 17, 12:51 AM EDT | Severe Thunderstorm Warning | APX | Chippewa | 69 min |
| Jul 17, 1:03 AM EDT | Severe Thunderstorm Warning | MQT | Marquette | 57 min |
| Jul 17, 3:20 AM EDT | Severe Thunderstorm Warning | APX | Mackinac | |
| Jul 22, 10:53 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 27 min |
| Jul 23, 12:24 AM EDT | Severe Thunderstorm Warning | DTX | Wayne | 36 min |
| Aug 14, 5:09 AM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 66 min |
| Aug 14, 6:30 AM EDT | Severe Thunderstorm Warning | APX | Montmorency | 45 min |
| Aug 15, 2:53 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 67 min |
| Aug 15, 3:37 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 53 min |
| Aug 15, 4:29 PM EDT | Severe Thunderstorm Warning | DTX | Ogemaw | 46 min |
| Aug 17, 1:21 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 39 min |
| Aug 17, 1:21 PM EDT | Severe Thunderstorm Warning | GRR | Ionia | 59 min |
| Aug 17, 4:28 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 32 min |
| Aug 29, 10:12 PM EDT | Severe Thunderstorm Warning | MQT | Ontonagon | 48 min |
| Sep 3, 7:48 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 42 min |
| Sep 9, 8:29 PM EDT | Severe Thunderstorm Warning | APX | Oceana | 61 min |
| Sep 9, 10:05 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 40 min |
| Sep 9, 11:09 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency | 66 min |
| Oct 4, 10:28 PM EDT | Severe Thunderstorm Warning | IND | Cass | 32 min |
| Oct 4, 10:50 PM EDT | Severe Thunderstorm Warning | IND | Saint Joseph | 25 min |
| Oct 4, 11:19 PM EDT | Severe Thunderstorm Warning | GRR | Branch, Calhoun | 41 min |
| Oct 24, 6:20 PM EDT | Severe Thunderstorm Warning | DTX | Crawford, Roscommon | 35 min |
| Oct 24, 6:37 PM EDT | Severe Thunderstorm Warning | APX | Montmorency, Oscoda | 48 min |
| Dec 8, 5:27 PM EST | Severe Thunderstorm Warning | IND | Berrien | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berrien County10
- Cass County9
- Tuscola County9
- Genesee County9
- Lapeer County8
- Washtenaw County7
- Lenawee County7
- Montmorency County7
- Alpena County7
- Calhoun County6
- Kent County6
- Alcona County6
- Saginaw County6
- Wayne County6
- Barry County5
- Gladwin County5
- Monroe County5
- Menominee County5
- Presque Isle County5
- Sanilac County5
- Allegan County4
- Jackson County4
- Oceana County4
- Crawford County4
- Ogemaw County4
- Ionia County4
- Clinton County4
- Saint Joseph County4
- Shiawassee County4
- Livingston County4
- Oakland County4
- Macomb County4
- Saint Clair County4
- Delta County4
- Dickinson County4
- Eaton County3
- Roscommon County3
- Ottawa County3
- Gratiot County3
- Kalamazoo County3
34 more counties
- Arenac County3
- Bay County3
- Ingham County3
- Hillsdale County3
- Iron County3
- Houghton County3
- Ontonagon County3
- Marquette County3
- Baraga County3
- Muskegon County2
- Clare County2
- Montcalm County2
- Van Buren County2
- Midland County2
- Branch County2
- Cheboygan County2
- Oscoda County2
- Mason County2
- Chippewa County2
- Huron County1
- Benzie County1
- Grand Traverse County1
- Manistee County1
- Newaygo County1
- Isabella County1
- Otsego County1
- Missaukee County1
- Iosco County1
- Charlevoix County1
- Keweenaw County1
- Luce County1
- Alger County1
- Gogebic County1
- Mackinac County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.