Alert archive / Michigan / 1986
Weather alerts in Michigan, September 1986
81 weather alerts in September 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 1986. Tap one for its archive.
- Alerts
- 81
- Warnings
- 81
- Watches
- 0
- Advisories
- 0
- Busiest day
- September 11, 198623 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Sep 10, 6:11 PM EDT | Tornado Warning | GRR | Calhoun, Eaton | 19 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, 7:58 PM EDT | Tornado Warning | APX | Oceana | 32 min |
| Sep 10, 8:01 PM EDT | Tornado Warning | DTX | Oakland | 44 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, 9:10 PM EDT | Flash Flood Warning | APX | Muskegon, Newaygo | 110 min |
| Sep 10, 9:34 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 41 min |
| Sep 10, 10:26 PM EDT | Flash Flood Warning | GRR | Kent | 3 hr |
| Sep 10, 11:02 PM EDT | Flash Flood Warning | APX | Muskegon, Newaygo, Oceana | 118 min |
| Sep 10, 11:07 PM EDT | Flash Flood Warning | GRR | Gratiot | 3 hr |
| Sep 10, 11:47 PM EDT | Flash Flood Warning | GRR | Montcalm | 4 hr |
| Sep 11, 1:11 AM EDT | Flash Flood Warning | GRR | Kent | 4 hr |
| Sep 11, 3:03 AM EDT | Flash Flood Warning | GRR | Montcalm | 4 hr |
| Sep 11, 3:35 AM EDT | Flash Flood Warning | APX | Lake, Mecosta, Osceola | 4 hr |
| Sep 11, 3:35 AM EDT | Flash Flood Warning | APX | Mason | 4 hr |
| Sep 11, 5:05 AM EDT | Flash Flood Warning | GRR | Kent, Montcalm | 4 hr |
| Sep 11, 6:15 AM EDT | Flash Flood Warning | APX | Muskegon | 105 min |
| Sep 11, 7:30 AM EDT | Flash Flood Warning | DTX | Tuscola | 3 hr |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Muskegon, Newaygo, Oceana | 4 hr |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Lake, Mecosta, Osceola | 4 hr |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Mason | 4 hr |
| Sep 11, 11:40 AM EDT | Flash Flood Warning | APX | Oceana | 3 hr |
| Sep 11, 7:08 PM EDT | Flash Flood Warning | DTX | Saginaw | 4 hr |
| Sep 11, 7:49 PM EDT | Flash Flood Warning | APX | Oceana | 2 hr |
| Sep 11, 8:44 PM EDT | Flash Flood Warning | APX | Muskegon | 3 hr |
| Sep 11, 10:05 PM EDT | Flash Flood Warning | APX | Oceana | 115 min |
| Sep 12, 2:05 AM EDT | Flash Flood Warning | GRR | Ionia | 4 hr |
| Sep 12, 2:13 AM EDT | Flash Flood Warning | GRR | Clinton, Gratiot | 107 min |
| Sep 12, 2:54 AM EDT | Flash Flood Warning | GRR | Kent | 66 min |
| Sep 12, 4:18 AM EDT | Flash Flood Warning | GRR | Clinton, Gratiot | 2 hr |
| Sep 12, 7:00 AM EDT | Flash Flood Warning | GRR | Clinton, Gratiot | 2 hr |
| Sep 12, 7:29 PM EDT | Flash Flood Warning | GRR | Ionia, Kent | 4 hr |
| Sep 13, 5:10 AM EDT | Flash Flood Warning | GRR | Ionia | 4 hr |
| Sep 13, 8:46 AM EDT | Flash Flood Warning | GRR | Ionia | 3 hr |
| Sep 16, 10:00 AM EDT | Flash Flood Warning | GRR | Isabella | 4 hr |
| Sep 22, 6:17 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 28 min |
| Sep 22, 6:54 PM EDT | Flash Flood Warning | GRR | Clinton | 2 hr |
| 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 22, 8:53 PM EDT | Flash Flood Warning | GRR | Clinton, Gratiot | 2 hr |
| Sep 22, 10:54 PM EDT | Flash Flood Warning | DTX | Saginaw | 4 hr |
| Sep 22, 10:58 PM EDT | Flash Flood Warning | GRR | Clinton, Gratiot | 2 hr |
| 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, 5:20 PM EDT | Tornado Warning | GRR | Kalamazoo | 31 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, 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 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, 1:53 AM EDT | Tornado Warning | DTX | Wayne | 52 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, 1:07 AM EDT | Flash Flood Warning | GRR | Branch | 3 hr |
| 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, 2:33 AM EDT | Tornado Warning | DTX | Macomb, Saint Clair | 42 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 |
| 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 |
| Sep 29, 8:28 PM EDT | Flash Flood Warning | DTX | Genesee | 5 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 35 |
| Tornado Warning | 11 |
| Flooding | |
| Flash Flood Warning | 35 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clinton County9
- Gratiot County8
- Oceana County7
- Genesee County7
- Calhoun County6
- Muskegon County6
- Kent County6
- Eaton County5
- Oakland County5
- Macomb County5
- Newaygo County4
- Osceola County4
- Ionia County4
- Montcalm County3
- Mecosta County3
- Saginaw County3
- Monroe County3
- Van Buren County3
- Ingham County2
- Lake County2
- Mason County2
- Shiawassee County2
- Lenawee County2
- Allegan County2
- Kalamazoo County2
- Jackson County2
- Livingston County2
- Washtenaw County2
- Wayne County2
- Saint Clair County2
- Tuscola County1
- Isabella County1
- Clare County1
- Hillsdale County1
- Delta County1
- Schoolcraft County1
- Branch County1
- Benzie County1
- Manistee County1
- Cass County1
1 more counties
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.