Alert archive / Michigan / Severe Thunderstorm Warnings / 1989
Severe Thunderstorm Warnings in Michigan, August 1989
17 severe thunderstorm warnings in August 1989. 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 August 1989. Tap one for its archive.
- Severe Thunderstorm Warnings
- 17
- Busiest day
- August 5, 198914 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Aug 2, 5:29 AM EDT | Severe Thunderstorm Warning | MQT | Alger, Schoolcraft | 61 min |
| Aug 2, 6:34 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency | 56 min |
| Aug 4, 5:47 PM EDT | Severe Thunderstorm Warning | MQT | Schoolcraft | 58 min |
| Aug 4, 8:45 PM EDT | Severe Thunderstorm Warning | DTX | Otsego | 30 min |
| Aug 4, 9:18 PM EDT | Severe Thunderstorm Warning | APX | Montmorency | 42 min |
| Aug 4, 9:45 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 31 min |
| Aug 4, 9:57 PM EDT | Severe Thunderstorm Warning | APX | Missaukee, Wexford | 63 min |
| Aug 4, 11:18 PM EDT | Severe Thunderstorm Warning | APX | Manistee, Mason | 57 min |
| Aug 5, 12:06 AM EDT | Severe Thunderstorm Warning | APX | Muskegon, Oceana | 69 min |
| Aug 5, 12:06 AM EDT | Severe Thunderstorm Warning | APX | Manistee, Mason | 39 min |
| Aug 5, 1:44 AM EDT | Severe Thunderstorm Warning | GRR | Montcalm | 43 min |
| Aug 5, 1:55 AM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 65 min |
| Aug 5, 2:05 AM EDT | Severe Thunderstorm Warning | IND | Berrien | 40 min |
| Aug 5, 2:54 AM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 36 min |
| Aug 5, 3:43 AM EDT | Severe Thunderstorm Warning | GRR | Saint Joseph | 47 min |
| Aug 5, 4:14 AM EDT | Severe Thunderstorm Warning | GRR | Branch | 61 min |
| Aug 5, 4:45 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Luce | 60 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Schoolcraft County2
- Alpena County2
- Montmorency County2
- Manistee County2
- Mason County2
- Alger County1
- Otsego County1
- Missaukee County1
- Wexford County1
- Muskegon County1
- Oceana County1
- Montcalm County1
- Van Buren County1
- Berrien County1
- Gogebic County1
- Ontonagon County1
- Saint Joseph County1
- Branch County1
- Chippewa County1
- Luce County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19881990
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.