Alert archive / Michigan / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Michigan, 1986
141 severe thunderstorm warnings in 1986. 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 1986. Tap one for its archive.
- Severe Thunderstorm Warnings
- 141
- Busiest month
- July40 severe thunderstorm warnings
- Busiest day
- May 6, 198614 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 31, 7:05 PM EST | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 55 min |
| Apr 25, 9:41 PM EST | Severe Thunderstorm Warning | GRR | Calhoun | 24 min |
| Apr 25, 10:08 PM EST | Severe Thunderstorm Warning | IND | Berrien, Cass | 52 min |
| Apr 26, 2:32 AM EST | Severe Thunderstorm Warning | GRR | Kent | 58 min |
| Apr 28, 3:50 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 55 min |
| May 6, 11:36 AM EDT | Severe Thunderstorm Warning | GRR | Ingham, Jackson | 9 min |
| May 6, 11:56 AM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 44 min |
| May 6, 11:56 AM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 44 min |
| May 6, 3:19 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 51 min |
| May 6, 4:25 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 35 min |
| May 6, 4:43 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton | 27 min |
| May 6, 5:13 PM EDT | Severe Thunderstorm Warning | APX | Muskegon, Oceana | 47 min |
| May 6, 5:22 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 38 min |
| May 6, 6:01 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 59 min |
| May 6, 6:38 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 52 min |
| May 6, 7:10 PM EDT | Severe Thunderstorm Warning | GRR | Eaton, Jackson | 45 min |
| May 6, 7:10 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 65 min |
| May 6, 7:43 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 47 min |
| May 6, 7:45 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 45 min |
| May 6, 8:11 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 49 min |
| May 6, 8:19 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 41 min |
| May 17, 2:46 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 29 min |
| May 17, 3:16 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 29 min |
| May 17, 3:46 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 44 min |
| May 17, 5:03 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 57 min |
| May 17, 5:26 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 3 hr |
| May 17, 5:59 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 2 hr |
| May 17, 6:12 PM EDT | Severe Thunderstorm Warning | GRR | Allegan | 23 min |
| May 17, 7:51 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 39 min |
| May 17, 8:16 PM EDT | Severe Thunderstorm Warning | APX | Newaygo | 44 min |
| May 17, 8:34 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 56 min |
| May 17, 9:26 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 34 min |
| Jun 11, 3:17 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 43 min |
| Jun 11, 5:49 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 56 min |
| Jun 11, 8:21 PM EDT | Severe Thunderstorm Warning | APX | Muskegon, Newaygo | 39 min |
| Jun 11, 9:05 PM EDT | Severe Thunderstorm Warning | GRR | Eaton | 55 min |
| Jun 11, 9:23 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ingham | 37 min |
| Jun 16, 6:30 AM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 60 min |
| Jun 21, 8:52 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 68 min |
| Jun 21, 10:01 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 59 min |
| Jun 23, 7:36 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 54 min |
| Jun 26, 11:31 AM EDT | Severe Thunderstorm Warning | MQT | Alger | 59 min |
| Jun 28, 3:23 AM EDT | Severe Thunderstorm Warning | APX | Lake, Mason | 40 min |
| Jul 4, 6:23 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Marquette, Menominee | 67 min |
| Jul 4, 8:30 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 60 min |
| Jul 4, 8:30 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 60 min |
| Jul 4, 10:28 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Schoolcraft | 62 min |
| Jul 4, 10:40 PM EDT | Severe Thunderstorm Warning | APX | Mackinac | 65 min |
| Jul 4, 10:58 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Menominee | 62 min |
| Jul 4, 11:27 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Marquette | 63 min |
| Jul 4, 11:27 PM EDT | Severe Thunderstorm Warning | MQT | Schoolcraft | 63 min |
| Jul 15, 7:37 PM EDT | Severe Thunderstorm Warning | APX | Oceana | 48 min |
| Jul 15, 7:45 PM EDT | Severe Thunderstorm Warning | APX | Muskegon | 60 min |
| Jul 15, 8:42 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 48 min |
| Jul 15, 9:49 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton | 56 min |
| Jul 15, 10:00 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ingham | 60 min |
| Jul 15, 11:29 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Washtenaw, Wayne | 61 min |
| Jul 15, 11:29 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 61 min |
| Jul 16, 12:48 AM EDT | Severe Thunderstorm Warning | IND | Berrien | 42 min |
| Jul 17, 7:00 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Luce | 90 min |
| Jul 18, 1:00 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Luce, Mackinac | 60 min |
| Jul 18, 1:05 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Marquette | 55 min |
| Jul 18, 1:05 PM EDT | Severe Thunderstorm Warning | MQT | Schoolcraft | 55 min |
| Jul 18, 2:05 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Marquette | 55 min |
| Jul 18, 2:59 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Marquette | 61 min |
| Jul 18, 4:04 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Menominee | 56 min |
| Jul 18, 4:08 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 57 min |
| Jul 18, 4:43 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 32 min |
| Jul 18, 4:55 PM EDT | Severe Thunderstorm Warning | DTX | Roscommon | 60 min |
| Jul 18, 4:59 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 61 min |
| Jul 18, 6:54 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 66 min |
| Jul 18, 7:22 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac, Tuscola | 38 min |
| Jul 18, 7:57 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac, Tuscola | 63 min |
| Jul 19, 5:45 PM EDT | Severe Thunderstorm Warning | DTX | Roscommon | 60 min |
| Jul 19, 9:38 PM EDT | Severe Thunderstorm Warning | GRR | Allegan | 52 min |
| Jul 19, 9:55 PM EDT | Severe Thunderstorm Warning | IND | Berrien | 50 min |
| Jul 19, 10:21 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 39 min |
| Jul 24, 9:30 AM EDT | Severe Thunderstorm Warning | APX | Chippewa, Luce | 60 min |
| Jul 24, 10:25 AM EDT | Severe Thunderstorm Warning | APX | Chippewa, Luce | 65 min |
| Jul 25, 5:10 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 35 min |
| Jul 25, 5:28 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 62 min |
| Jul 25, 5:56 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 64 min |
| Jul 25, 8:41 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 19 min |
| Aug 2, 11:34 AM EDT | Severe Thunderstorm Warning | GRR | Kent | 41 min |
| Aug 2, 1:16 PM EDT | Severe Thunderstorm Warning | GRR | Barry | 29 min |
| Aug 2, 1:16 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 17 min |
| Aug 2, 1:42 PM EDT | Severe Thunderstorm Warning | GRR | Eaton | 33 min |
| Aug 2, 2:25 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 20 min |
| Aug 2, 2:26 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 44 min |
| Aug 2, 2:26 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 44 min |
| Aug 2, 2:35 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 55 min |
| Aug 8, 4:36 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 59 min |
| Aug 15, 4:14 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 31 min |
| Aug 15, 4:14 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 31 min |
| Aug 16, 9:14 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Marquette | 61 min |
| Aug 16, 9:14 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 61 min |
| Aug 16, 9:15 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Luce | 65 min |
| Aug 26, 1:22 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 53 min |
| Aug 26, 1:22 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 53 min |
| Aug 26, 1:43 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 37 min |
| Aug 26, 5:44 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 16 min |
| Aug 26, 6:24 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 36 min |
| Aug 26, 6:52 PM EDT | Severe Thunderstorm Warning | GRR | Hillsdale | 31 min |
| Aug 26, 6:59 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 31 min |
| Aug 26, 7:11 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 49 min |
| Sep 10, 6:56 PM EDT | Severe Thunderstorm Warning | GRR | Eaton, Ingham | 34 min |
| Sep 10, 7:41 PM EDT | Severe Thunderstorm Warning | APX | Oceana | 49 min |
| Sep 10, 8:16 PM EDT | Severe Thunderstorm Warning | APX | Muskegon, Newaygo | 59 min |
| Sep 10, 8:16 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 59 min |
| Sep 10, 8:41 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 34 min |
| Sep 10, 9:34 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 41 min |
| Sep 22, 6:17 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 28 min |
| Sep 22, 6:58 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 62 min |
| Sep 22, 7:16 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 59 min |
| Sep 22, 7:49 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 26 min |
| Sep 22, 8:23 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 67 min |
| Sep 25, 11:01 PM EDT | Severe Thunderstorm Warning | APX | Osceola | 29 min |
| Sep 25, 11:02 PM EDT | Severe Thunderstorm Warning | DTX | Clare | 43 min |
| Sep 26, 9:07 AM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 23 min |
| Sep 26, 9:30 AM EDT | Severe Thunderstorm Warning | DTX | Monroe | 45 min |
| Sep 26, 4:30 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Van Buren | 30 min |
| Sep 26, 4:38 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 37 min |
| Sep 26, 5:53 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Hillsdale | 52 min |
| Sep 26, 6:26 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 19 min |
| Sep 26, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 45 min |
| Sep 26, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 45 min |
| Sep 26, 8:57 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 63 min |
| Sep 27, 12:21 AM EDT | Severe Thunderstorm Warning | MQT | Delta, Schoolcraft | 54 min |
| Sep 28, 10:03 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Van Buren | 57 min |
| Sep 28, 10:47 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton | 58 min |
| Sep 29, 12:00 AM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 60 min |
| Sep 29, 12:29 AM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee | 61 min |
| Sep 29, 1:05 AM EDT | Severe Thunderstorm Warning | DTX | Oakland, Washtenaw | 55 min |
| Sep 29, 1:26 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Manistee | 64 min |
| Sep 29, 2:23 AM EDT | Severe Thunderstorm Warning | APX | Mecosta, Osceola | 32 min |
| Sep 29, 5:29 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 46 min |
| Sep 29, 5:52 PM EDT | Severe Thunderstorm Warning | IND | Cass | 38 min |
| Sep 29, 6:06 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton | 54 min |
| Sep 29, 6:42 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ingham | 48 min |
| Sep 29, 7:01 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton | 29 min |
| Oct 8, 5:11 AM EDT | Severe Thunderstorm Warning | GRR | Ottawa | 49 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lenawee County11
- Monroe County10
- Calhoun County9
- Jackson County9
- Washtenaw County9
- Eaton County9
- Delta County9
- Ingham County8
- Shiawassee County7
- Genesee County6
- Clinton County6
- Chippewa County6
- Marquette County6
- Menominee County6
- Kent County5
- Wayne County5
- Oakland County5
- Alger County5
- Luce County5
- Saginaw County4
- Muskegon County4
- Allegan County4
- Macomb County4
- Schoolcraft County4
- Gogebic County3
- Ontonagon County3
- Berrien County3
- Livingston County3
- Oceana County3
- Tuscola County3
- Gratiot County3
- Newaygo County3
- Mackinac County3
- Dickinson County3
- Kalamazoo County3
- Van Buren County3
- Cass County2
- Alpena County2
- Ottawa County2
- Roscommon County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.