Alert archive / Michigan / Dense Fog Advisories

Dense Fog Advisories in Michigan, 2017

41 dense fog advisories in 2017. 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 2017. Tap one for its archive.

Dense Fog Advisories: 41
Busiest month: January16 dense fog advisories
Busiest day: January 20, 20176 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.

Issued	Product	Office	Counties	Lasted
Jan 3, 4:01 AM EST	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	8 hr
Jan 3, 10:01 AM EST	Dense Fog Advisory	GRR	Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more	5 hr
Jan 3, 12:14 PM EST	Dense Fog Advisory	DTX	Bay, Genesee, Huron, Lapeer, Livingston, Macomb and 7 more	4 hr
Jan 19, 9:27 PM EST	Dense Fog Advisory	MQT	Alger, Delta, Dickinson, Gogebic, Iron, Luce and 4 more	64 hr
Jan 20, 2:01 AM EST	Dense Fog Advisory	APX	Alcona, Alpena, Cheboygan, Crawford, Emmet, Iosco and 6 more	9 hr
Jan 20, 3:42 PM EST	Dense Fog Advisory	MQT	Alger, Baraga, Dickinson, Houghton, Iron, Keweenaw and 3 more	45 hr
Jan 20, 4:06 PM EST	Dense Fog Advisory	DTX	Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more	20 hr
Jan 20, 4:28 PM EST	Dense Fog Advisory	GRR	Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more	14 hr
Jan 20, 4:30 PM EST	Dense Fog Advisory	APX	Alcona, Alpena, Antrim, Arenac, Benzie, Cheboygan and 16 more	14 hr
Jan 20, 9:16 PM EST	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	7 hr
Jan 21, 2:28 PM EST	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	38 hr
Jan 21, 3:19 PM EST	Dense Fog Advisory	APX	Alcona, Alpena, Antrim, Arenac, Benzie, Cheboygan and 16 more	39 hr
Jan 21, 3:23 PM EST	Dense Fog Advisory	DTX	Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more	36 hr
Jan 21, 4:09 PM EST	Dense Fog Advisory	GRR	Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more	36 hr
Jan 22, 3:37 PM EST	Dense Fog Advisory	IWX	Hillsdale	12 hr
Jan 22, 6:39 PM EST	Dense Fog Advisory	MQT	Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 7 more	4 hr
Feb 7, 12:40 AM EST	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	6 hr
Feb 7, 2:41 AM EST	Dense Fog Advisory	DTX	Lenawee, Livingston, Macomb, Monroe, Oakland, Washtenaw and 1 more	7 hr
Feb 7, 3:27 AM EST	Dense Fog Advisory	GRR	Allegan, Barry, Calhoun, Eaton, Ingham, Ionia and 6 more	7 hr
Feb 21, 8:36 PM EST	Dense Fog Advisory	GRR	Allegan, Barry, Clare, Clinton, Eaton, Gratiot and 14 more	12 hr
Feb 21, 9:34 PM EST	Dense Fog Advisory	IWX	Cass, Saint Joseph	9 hr
Feb 21, 10:37 PM EST	Dense Fog Advisory	DTX	Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more	11 hr
Feb 22, 3:51 AM EST	Dense Fog Advisory	APX	Alcona, Arenac, Crawford, Gladwin, Iosco, Manistee and 5 more	8 hr
Mar 17, 11:45 PM EDT	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	6 hr
Mar 21, 1:13 AM EDT	Dense Fog Advisory	IWX	Branch, Hillsdale, Saint Joseph	9 hr
Mar 21, 4:52 AM EDT	Dense Fog Advisory	DTX	Genesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 4 more	4 hr
Apr 11, 4:39 AM EDT	Dense Fog Advisory	IWX	Cass, Saint Joseph	3 hr
Aug 29, 7:22 AM EDT	Dense Fog Advisory	GRR	Barry, Calhoun, Clare, Clinton, Eaton, Gratiot and 11 more	3 hr
Aug 29, 7:33 AM EDT	Dense Fog Advisory	IWX	Branch, Hillsdale, Saint Joseph	2 hr
Aug 29, 3:30 PM EDT	Dense Fog Advisory	GRR	Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more	19 hr
Aug 29, 3:52 PM EDT	Dense Fog Advisory	APX	Alcona, Alpena, Antrim, Arenac, Benzie, Cheboygan and 14 more	18 hr
Aug 30, 12:02 AM EDT	Dense Fog Advisory	IWX	Branch, Hillsdale	10 hr
Aug 30, 12:10 AM EDT	Dense Fog Advisory	DTX	Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more	10 hr
Sep 14, 1:59 AM EDT	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	8 hr
Sep 14, 2:34 AM EDT	Dense Fog Advisory	GRR	Allegan, Barry, Calhoun, Clinton, Eaton, Ingham and 14 more	6 hr
Sep 14, 3:08 AM EDT	Dense Fog Advisory	DTX	Genesee, Lenawee, Livingston, Oakland, Shiawassee, Washtenaw	7 hr
Sep 20, 3:33 AM EDT	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	6 hr
Nov 5, 1:09 AM EDT	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	11 hr
Nov 14, 2:25 AM EST	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	7 hr
Nov 14, 2:52 AM EST	Dense Fog Advisory	GRR	Allegan, Barry, Calhoun, Eaton, Kalamazoo, Van Buren	6 hr
Nov 15, 9:23 AM EST	Dense Fog Advisory	MQT	Baraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 3 more	6 hr

By county

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

39 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2016 2018

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.