Alert archive / Michigan / Dense Fog Advisories

Dense Fog Advisories in Michigan, 2021

28 dense fog advisories in 2021. 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 in 2021. Tap one for its archive.

Dense Fog Advisories
28
Busiest month
December13 dense fog advisories
Busiest day
November 10, 20213 dense fog advisories

Over time

By month

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.

IssuedProductOfficeCountiesLasted
Apr 24, 11:31 PM EDTDense Fog AdvisoryIWXBranch, Hillsdale, Saint Joseph6 hr
May 7, 5:58 AM EDTDense Fog AdvisoryGRRAllegan, Barry, Calhoun, Clinton, Eaton, Ingham and 7 more3 hr
Jul 25, 4:03 AM EDTDense Fog AdvisoryDTXHuron, Lapeer, Lenawee, Livingston, Macomb, Monroe and 6 more5 hr
Aug 10, 2:32 AM EDTDense Fog AdvisoryAPXAntrim, Benzie, Charlevoix, Chippewa, Emmet, Leelanau and 2 more6 hr
Aug 10, 2:36 AM EDTDense Fog AdvisoryMQTAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 7 more6 hr
Sep 30, 8:46 PM EDTDense Fog AdvisoryMQTAlger, Delta, Luce, Menominee, Schoolcraft14 hr
Oct 3, 1:42 AM EDTDense Fog AdvisoryMQTAlger, Baraga, Delta, Dickinson, Houghton, Iron and 5 more9 hr
Oct 3, 2:20 AM EDTDense Fog AdvisoryAPXCharlevoix, Cheboygan, Chippewa, Emmet, Mackinac9 hr
Oct 3, 8:41 PM EDTDense Fog AdvisoryMQTBaraga, Gogebic, Houghton, Iron, Marquette, Ontonagon7 hr
Oct 6, 3:21 AM EDTDense Fog AdvisoryMQTAlger, Delta, Luce, Schoolcraft7 hr
Oct 9, 1:03 AM EDTDense Fog AdvisoryIWXBranch, Cass, Hillsdale, Saint Joseph8 hr
Oct 13, 1:01 AM EDTDense Fog AdvisoryIWXBranch, Cass, Saint Joseph8 hr
Nov 9, 11:36 PM ESTDense Fog AdvisoryIWXBranch, Cass, Hillsdale, Saint Joseph9 hr
Nov 10, 2:19 AM ESTDense Fog AdvisoryGRRBarry, Calhoun, Clinton, Eaton, Gratiot, Ingham and 3 more6 hr
Nov 10, 2:24 AM ESTDense Fog AdvisoryDTXGenesee, Huron, Lapeer, Lenawee, Livingston, Macomb and 9 more5 hr
Dec 4, 12:59 AM ESTDense Fog AdvisoryIWXBranch, Cass, Hillsdale, Saint Joseph10 hr
Dec 9, 8:54 PM ESTDense Fog AdvisoryIWXBranch, Cass, Hillsdale, Saint Joseph15 hr
Dec 11, 6:08 AM ESTDense Fog AdvisoryAPXAlcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 17 more4 hr
Dec 15, 9:41 AM ESTDense Fog AdvisoryMQTAlger, Delta, Dickinson, Houghton, Iron, Keweenaw and 4 more15 hr
Dec 16, 12:04 AM ESTDense Fog AdvisoryAPXChippewa, Crawford, Kalkaska, Mackinac, Missaukee, Montmorency and 5 more7 hr
Dec 23, 8:40 PM ESTDense Fog AdvisoryMQTBaraga, Dickinson, Houghton, Iron, Marquette, Menominee8 hr
Dec 24, 4:09 PM ESTDense Fog AdvisoryMQTAlger, Baraga, Delta, Dickinson, Iron, Luce and 3 more11 hr
Dec 24, 4:11 PM ESTDense Fog AdvisoryAPXAlcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 19 more14 hr
Dec 25, 1:05 AM ESTDense Fog AdvisoryGRRClare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more5 hr
Dec 25, 3:01 AM ESTDense Fog AdvisoryAPXChippewa, Mackinac3 hr
Dec 27, 11:13 AM ESTDense Fog AdvisoryIWXBranch, Cass, Hillsdale, Saint Joseph8 hr
Dec 30, 5:38 PM ESTDense Fog AdvisoryIWXBranch, Cass, Hillsdale, Saint Joseph6 hr
Dec 30, 6:28 PM ESTDense Fog AdvisoryGRRAllegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 7 more9 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

40 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. November 10, 20213dense fog advisories
  2. December 24, 20213dense fog advisories
  3. August 10, 20212dense fog advisories
  4. October 3, 20212dense fog advisories
  5. December 25, 20212dense fog advisories
  6. December 30, 20212dense fog advisories
  7. April 25, 20211dense fog advisories
  8. May 7, 20211dense fog advisories
  9. July 25, 20211dense fog advisories
  10. October 1, 20211dense fog advisories
  11. October 4, 20211dense fog advisories
  12. October 6, 20211dense fog advisories

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.