Flash Flood Warnings in Michigan
700 flash flood warnings since 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Flash Flood Warnings
- 700
- Busiest year
- 199659 flash flood warnings
- Average year
- 17over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Wayne County60
- Oakland County42
- Macomb County40
- Berrien County36
- Kent County32
- Ottawa County31
- Cass County30
- Washtenaw County27
- Genesee County24
- Manistee County23
- Mason County22
- Grand Traverse County22
- Allegan County22
- Ingham County21
- Saginaw County20
- Monroe County20
- Lapeer County20
- Clinton County19
- Muskegon County19
- Gratiot County18
- Lenawee County18
- Leelanau County18
- Saint Joseph County18
- Branch County17
- Alpena County17
- Shiawassee County17
- Midland County17
- Wexford County17
- Eaton County16
- Ionia County16
- Oceana County16
- Gladwin County16
- Barry County16
- Lake County15
- Montcalm County15
- Newaygo County15
- Arenac County15
- Hillsdale County15
- Antrim County15
- Alcona County15
43 more counties
- Osceola County14
- Marquette County13
- Tuscola County13
- Bay County13
- Iron County13
- Isabella County12
- Mecosta County12
- Jackson County12
- Kalkaska County11
- Ontonagon County11
- Dickinson County11
- Calhoun County10
- Mackinac County10
- Benzie County10
- Livingston County9
- Saint Clair County9
- Van Buren County9
- Houghton County9
- Gogebic County9
- Kalamazoo County8
- Clare County8
- Huron County8
- Chippewa County8
- Cheboygan County8
- Menominee County8
- Emmet County8
- Delta County7
- Sanilac County7
- Iosco County7
- Missaukee County7
- Baraga County7
- Alger County6
- Ogemaw County6
- Roscommon County6
- Montmorency County5
- Oscoda County5
- Charlevoix County5
- Crawford County4
- Schoolcraft County3
- Luce County3
- Presque Isle County3
- Otsego County1
- Keweenaw County1
The latest flash flood warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 6:33 PM EDT | Flash Flood Warning | APX | Alcona, Alpena | 2 hr |
| Jul 27, 10:20 PM EDT | Flash Flood Warning | APX | Crawford, Kalkaska | 115 min |
| Jul 21, 12:15 AM EDT | Flash Flood Warning | APX | Grand Traverse | 4 hr |
| Jul 20, 11:33 PM EDT | Flash Flood Warning | APX | Leelanau | 4 hr |
| Jul 20, 7:13 PM EDT | Flash Flood Warning | MQT | Alger | 2 hr |
| Jun 29, 2:48 PM EDT | Flash Flood Warning | APX | Cheboygan | 3 hr |
| Jun 29, 1:38 PM EDT | Flash Flood Warning | APX | Emmet | 3 hr |
| Jun 29, 12:16 PM EDT | Flash Flood Warning | APX | Leelanau | 119 min |
| Jun 29, 11:38 AM EDT | Flash Flood Warning | APX | Antrim | 112 min |
| Jun 25, 3:52 PM EDT | Flash Flood Warning | APX | Roscommon | 2 hr |
| Jun 25, 10:34 AM EDT | Flash Flood Warning | APX | Alcona, Alpena | 3 hr |
| Jun 5, 6:13 PM EDT | Flash Flood Warning | MQT | Marquette | 113 min |
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.