Alert archive / Michigan / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in Michigan, April 2009
23 severe thunderstorm warnings in April 2009. 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 April 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 23
- Busiest day
- April 25, 200923 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 |
|---|---|---|---|---|
| Apr 24, 8:39 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron | 36 min |
| Apr 24, 9:13 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Marquette | 47 min |
| Apr 25, 1:16 AM EDT | Severe Thunderstorm Warning | APX | Mackinac | 59 min |
| Apr 25, 9:35 AM EDT | Severe Thunderstorm Warning | APX | Antrim, Crawford, Grand Traverse, Kalkaska, Otsego | 49 min |
| Apr 25, 1:13 PM EDT | Severe Thunderstorm Warning | GRR | Ingham, Jackson | 26 min |
| Apr 25, 1:15 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Livingston, Washtenaw | 60 min |
| Apr 25, 1:37 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Washtenaw, Wayne | 53 min |
| Apr 25, 1:42 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee | 50 min |
| Apr 25, 2:04 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Macomb | 56 min |
| Apr 25, 2:21 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 54 min |
| Apr 25, 2:24 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella, Mecosta, Montcalm | 50 min |
| Apr 25, 2:28 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 47 min |
| Apr 25, 2:34 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Kent, Ottawa | 41 min |
| Apr 25, 2:57 PM EDT | Severe Thunderstorm Warning | DTX | Midland, Saginaw | 28 min |
| Apr 25, 4:30 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Calhoun, Eaton, Kalamazoo | 45 min |
| Apr 25, 4:39 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Kalamazoo | 36 min |
| Apr 25, 5:00 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Clinton, Eaton, Ingham, Jackson | 60 min |
| Apr 25, 5:27 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Shiawassee, Washtenaw | 93 min |
| Apr 25, 5:56 PM EDT | Severe Thunderstorm Warning | GRR | Ingham, Jackson | 22 min |
| Apr 25, 5:59 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Oakland | 68 min |
| Apr 25, 6:12 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 21 min |
| Apr 25, 6:21 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 71 min |
| Apr 25, 7:04 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 41 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Ingham County3
- Jackson County3
- Washtenaw County3
- Calhoun County3
- Dickinson County2
- Livingston County2
- Oakland County2
- Wayne County2
- Genesee County2
- Shiawassee County2
- Macomb County2
- Saint Clair County2
- Gratiot County2
- Eaton County2
- Kalamazoo County2
- Clinton County2
- Iron County1
- Marquette County1
- Mackinac County1
- Antrim County1
- Crawford County1
- Grand Traverse County1
- Kalkaska County1
- Otsego County1
- Lenawee County1
- Lapeer County1
- Isabella County1
- Mecosta County1
- Montcalm County1
- Sanilac County1
- Allegan County1
- Kent County1
- Ottawa County1
- Midland County1
- Saginaw County1
- Barry County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.