Dense Fog Advisories in Michigan
683 dense fog advisories 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 dense fog advisories reaches back to 2005.
Dense Fog Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Dense Fog Advisories
- 683
- Busiest year
- 201245 dense fog advisories
- Average year
- 31over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not 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.
- Hillsdale County146
- Branch County144
- Saint Joseph County137
- Cass County116
- Eaton County114
- Calhoun County110
- Ingham County109
- Barry County107
- Jackson County106
- Ionia County105
- Kalamazoo County104
- Kent County104
- Allegan County102
- Clinton County102
- Van Buren County98
- Ottawa County97
- Saint Clair County96
- Lapeer County95
- Livingston County94
- Washtenaw County93
- Monroe County92
- Oakland County90
- Macomb County89
- Mecosta County89
- Muskegon County89
- Newaygo County89
- Wayne County89
- Gratiot County88
- Huron County88
- Lenawee County88
- Tuscola County88
- Isabella County87
- Montcalm County87
- Sanilac County87
- Osceola County85
- Clare County82
- Genesee County82
- Lake County78
- Marquette County78
- Oceana County76
43 more counties
- Shiawassee County76
- Mason County72
- Saginaw County72
- Bay County69
- Midland County67
- Roscommon County66
- Dickinson County65
- Menominee County65
- Baraga County63
- Houghton County62
- Crawford County61
- Iron County61
- Missaukee County61
- Oscoda County61
- Cheboygan County60
- Emmet County60
- Delta County59
- Ogemaw County59
- Wexford County59
- Alcona County57
- Alpena County57
- Iosco County56
- Otsego County56
- Presque Isle County56
- Schoolcraft County56
- Gladwin County55
- Manistee County54
- Montmorency County53
- Alger County52
- Kalkaska County51
- Keweenaw County51
- Antrim County50
- Arenac County50
- Benzie County49
- Grand Traverse County48
- Luce County48
- Gogebic County45
- Leelanau County41
- Ontonagon County40
- Berrien County26
- Chippewa County19
- Mackinac County19
- Charlevoix County14
The latest dense fog advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 4:57 AM EDT | Dense Fog Advisory | APX | Alpena, Antrim, Benzie, Charlevoix, Cheboygan, Chippewa and 13 more | 4 hr |
| Sep 1, 3:45 AM EDT | Dense Fog Advisory | APX | Charlevoix, Chippewa, Mackinac | 6 hr |
| Sep 1, 3:37 AM EDT | Dense Fog Advisory | MQT | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 7 more | 7 hr |
| Aug 13, 6:25 AM EDT | Dense Fog Advisory | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Ingham and 8 more | 4 hr |
| Aug 12, 4:02 AM EDT | Dense Fog Advisory | DTX | Genesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 4 more | 4 hr |
| Aug 7, 5:06 AM EDT | Dense Fog Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 4 hr |
| Aug 6, 5:04 AM EDT | Dense Fog Advisory | MQT | Dickinson, Menominee | 3 hr |
| Jul 28, 5:06 AM EDT | Dense Fog Advisory | MQT | Gogebic, Ontonagon | 8 hr |
| Jul 27, 4:47 AM EDT | Dense Fog Advisory | MQT | Luce, Schoolcraft | 4 hr |
| Jun 10, 3:07 AM EDT | Dense Fog Advisory | GRR | Lake, Mason, Muskegon, Newaygo, Oceana, Ottawa | 7 hr |
| Jun 9, 10:01 PM EDT | Dense Fog Advisory | MQT | Alger, Baraga, Delta, Dickinson, Houghton, Iron and 5 more | 16 hr |
| Jun 9, 9:50 PM EDT | Dense Fog Advisory | APX | Alcona, Alpena, Antrim, Benzie, Charlevoix, Cheboygan and 17 more | 12 hr |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.