Alert archive / Michigan / Tornado Warnings
Tornado Warnings in Michigan, 1986
57 tornado 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 1986. Tap one for its archive.
- Tornado Warnings
- 57
- Busiest month
- July14 tornado warnings
- Busiest day
- May 17, 19867 tornado 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 28, 4:19 PM EDT | Tornado Warning | DTX | Shiawassee | 41 min |
| May 6, 12:28 PM EDT | Tornado Warning | DTX | Oakland, Wayne | 50 min |
| May 6, 12:58 PM EDT | Tornado Warning | DTX | Macomb, Saint Clair | 47 min |
| May 15, 7:20 PM EDT | Tornado Warning | GRR | Branch | 40 min |
| May 15, 7:27 PM EDT | Tornado Warning | GRR | Calhoun | 33 min |
| May 17, 4:10 PM EDT | Tornado Warning | DTX | Washtenaw | 25 min |
| May 17, 4:20 PM EDT | Tornado Warning | GRR | Montcalm | 25 min |
| May 17, 4:23 PM EDT | Tornado Warning | GRR | Gratiot | 67 min |
| May 17, 4:32 PM EDT | Tornado Warning | DTX | Washtenaw, Wayne | 28 min |
| May 17, 5:09 PM EDT | Tornado Warning | DTX | Midland, Saginaw | 51 min |
| May 17, 6:04 PM EDT | Tornado Warning | GRR | Kent | 26 min |
| May 17, 6:37 PM EDT | Tornado Warning | GRR | Ionia | 38 min |
| May 17, 9:03 PM EDT | Tornado Warning | GRR | Hillsdale | 27 min |
| May 17, 9:51 PM EDT | Tornado Warning | GRR | Allegan | 24 min |
| Jun 11, 8:41 PM EDT | Tornado Warning | GRR | Kent | 29 min |
| Jun 11, 8:47 PM EDT | Tornado Warning | GRR | Barry | 28 min |
| Jun 11, 8:59 PM EDT | Tornado Warning | DTX | Oakland | 46 min |
| Jun 11, 9:18 PM EDT | Tornado Warning | APX | Newaygo | 42 min |
| Jun 11, 9:56 PM EDT | Tornado Warning | DTX | Oakland | 49 min |
| Jun 11, 10:15 PM EDT | Tornado Warning | DTX | Lapeer | 45 min |
| Jun 22, 5:52 PM EDT | Tornado Warning | DTX | Genesee | 38 min |
| Jun 29, 3:52 PM EDT | Tornado Warning | DTX | Lapeer | 38 min |
| Jul 4, 9:00 PM EDT | Tornado Warning | MQT | Dickinson, Menominee | 60 min |
| Jul 4, 9:00 PM EDT | Tornado Warning | MQT | Delta | 60 min |
| Jul 4, 10:04 PM EDT | Tornado Warning | MQT | Delta, Menominee | 26 min |
| Jul 15, 8:51 PM EDT | Tornado Warning | GRR | Allegan, Kent | 39 min |
| Jul 15, 9:17 PM EDT | Tornado Warning | GRR | Barry, Ionia | 58 min |
| Jul 17, 9:50 PM EDT | Tornado Warning | APX | Luce | 25 min |
| Jul 18, 5:00 PM EDT | Tornado Warning | DTX | Roscommon | 60 min |
| Jul 18, 6:11 PM EDT | Tornado Warning | APX | Oscoda | 34 min |
| Jul 18, 8:15 PM EDT | Tornado Warning | DTX | Saginaw | 45 min |
| Jul 18, 9:08 PM EDT | Tornado Warning | DTX | Genesee | 52 min |
| Jul 18, 9:38 PM EDT | Tornado Warning | DTX | Genesee, Shiawassee | 52 min |
| Jul 18, 10:09 PM EDT | Tornado Warning | DTX | Genesee, Shiawassee | 51 min |
| Jul 25, 4:33 PM EDT | Tornado Warning | DTX | Clare | 27 min |
| Jul 27, 6:15 PM EDT | Tornado Warning | MQT | Alger | 15 min |
| Aug 2, 2:13 PM EDT | Tornado Warning | DTX | Genesee | 32 min |
| Aug 2, 3:25 PM EDT | Tornado Warning | DTX | Macomb | 25 min |
| Aug 2, 3:47 PM EDT | Tornado Warning | DTX | Saint Clair | 28 min |
| Aug 2, 3:57 PM EDT | Tornado Warning | DTX | Wayne | 23 min |
| Aug 26, 6:42 PM EDT | Tornado Warning | GRR | Ingham | 33 min |
| Aug 26, 7:00 PM EDT | Tornado Warning | DTX | Livingston | 30 min |
| Aug 26, 8:06 PM EDT | Tornado Warning | DTX | Genesee | 24 min |
| Aug 26, 8:28 PM EDT | Tornado Warning | DTX | Genesee, Lapeer | 27 min |
| Aug 26, 8:52 PM EDT | Tornado Warning | DTX | Washtenaw, Wayne | 23 min |
| Sep 10, 6:11 PM EDT | Tornado Warning | GRR | Calhoun, Eaton | 19 min |
| Sep 10, 7:58 PM EDT | Tornado Warning | APX | Oceana | 32 min |
| Sep 10, 8:01 PM EDT | Tornado Warning | DTX | Oakland | 44 min |
| Sep 26, 5:20 PM EDT | Tornado Warning | GRR | Kalamazoo | 31 min |
| Sep 26, 7:13 PM EDT | Tornado Warning | DTX | Livingston, Oakland | 47 min |
| Sep 26, 7:23 PM EDT | Tornado Warning | DTX | Monroe, Wayne | 52 min |
| Sep 26, 8:12 PM EDT | Tornado Warning | DTX | Macomb, Oakland | 48 min |
| Sep 28, 1:53 AM EDT | Tornado Warning | DTX | Wayne | 52 min |
| Sep 29, 2:33 AM EDT | Tornado Warning | DTX | Macomb, Saint Clair | 42 min |
| Sep 29, 7:54 PM EDT | Tornado Warning | DTX | Genesee | 66 min |
| Sep 29, 8:16 PM EDT | Tornado Warning | DTX | Genesee, Lapeer | 59 min |
| Oct 1, 6:45 PM EDT | Tornado Warning | GRR | Hillsdale | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Genesee County9
- Oakland County6
- Wayne County6
- Macomb County4
- Lapeer County4
- Shiawassee County3
- Saint Clair County3
- Washtenaw County3
- Kent County3
- Calhoun County2
- Saginaw County2
- Ionia County2
- Hillsdale County2
- Allegan County2
- Barry County2
- Menominee County2
- Delta County2
- Livingston County2
- Branch County1
- Montcalm County1
- Gratiot County1
- Midland County1
- Newaygo County1
- Dickinson County1
- Luce County1
- Roscommon County1
- Oscoda County1
- Clare County1
- Alger County1
- Ingham County1
- Eaton County1
- Oceana County1
- Kalamazoo County1
- Monroe County1
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. Rebuilt daily.