Weather alerts in Michigan, October 2021

151 weather alerts in October 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in October 2021. Tap one for its archive.

Alerts: 151
Warnings: 34
Watches: 7
Advisories: 73
Busiest day: October 11, 202117 alerts

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
Sep 30, 8:46 PM EDT	Dense Fog Advisory	MQT	Alger, Delta, Luce, Menominee, Schoolcraft	14 hr
Oct 2, 10:07 PM EDT	Marine Dense Fog Advisory	MQT		35 hr
Oct 3, 1:42 AM EDT	Dense Fog Advisory	MQT	Alger, Baraga, Delta, Dickinson, Houghton, Iron and 5 more	9 hr
Oct 3, 2:20 AM EDT	Dense Fog Advisory	APX	Charlevoix, Cheboygan, Chippewa, Emmet, Mackinac	9 hr
Oct 3, 2:21 AM EDT	Marine Dense Fog Advisory	APX		17 hr
Oct 3, 4:03 AM EDT	Small Craft Advisory	MQT		13 hr
Oct 3, 9:41 AM EDT	Marine Dense Fog Advisory	DTX		10 hr
Oct 3, 3:33 PM EDT	Small Craft Advisory	GRR		30 hr
Oct 3, 6:18 PM EDT	Special Weather Statement	DTX	Oakland	72 min
Oct 3, 6:21 PM EDT	Tornado Warning	DTX	Oakland	22 min
Oct 3, 7:29 PM EDT	Areal Flood Advisory	DTX	Oakland	3 hr
Oct 3, 8:06 PM EDT	Marine Dense Fog Advisory	DTX		14 hr
Oct 3, 8:41 PM EDT	Dense Fog Advisory	MQT	Baraga, Gogebic, Houghton, Iron, Marquette, Ontonagon	7 hr
Oct 4, 12:36 AM EDT	Areal Flood Advisory	GRR	Barry, Kalamazoo	6 hr
Oct 4, 2:38 AM EDT	Areal Flood Advisory	DTX	Midland	3 hr
Oct 4, 2:54 AM EDT	Small Craft Advisory	APX		7 hr
Oct 4, 2:54 AM EDT	Areal Flood Advisory	GRR	Jackson	6 hr
Oct 4, 3:53 AM EDT	Areal Flood Advisory	GRR	Ingham	6 hr
Oct 4, 4:36 AM EDT	Areal Flood Warning	GRR	Ingham	11 hr
Oct 4, 4:39 AM EDT	Special Weather Statement	GRR	Ingham	66 min
Oct 4, 5:25 AM EDT	Areal Flood Advisory	GRR	Ingham	5 hr
Oct 4, 5:29 AM EDT	Areal Flood Advisory	GRR	Jackson	3 hr
Oct 4, 9:51 AM EDT	Small Craft Advisory	DTX		18 hr
Oct 4, 10:31 AM EDT	Small Craft Advisory	APX		13 hr
Oct 4, 4:52 PM EDT	Special Weather Statement	GRR	Jackson	53 min
Oct 5, 10:28 PM EDT	Marine Dense Fog Advisory	MQT		39 hr
Oct 6, 3:21 AM EDT	Dense Fog Advisory	MQT	Alger, Delta, Luce, Schoolcraft	7 hr
Oct 7, 3:23 PM EDT	Marine Dense Fog Advisory	MQT		6 hr
Oct 8, 2:49 PM EDT	Special Weather Statement	DTX	Oakland	56 min
Oct 8, 4:07 PM EDT	Special Weather Statement	DTX	Macomb	38 min
Oct 8, 4:26 PM EDT	Areal Flood Advisory	DTX	Oakland	4 hr
Oct 8, 5:00 PM EDT	Areal Flood Advisory	GRR	Kent, Ottawa	6 hr
Oct 8, 6:50 PM EDT	Special Weather Statement	GRR	Montcalm	55 min
Oct 8, 7:34 PM EDT	Areal Flood Advisory	GRR	Ionia, Montcalm	5 hr
Oct 8, 7:40 PM EDT	Areal Flood Advisory	GRR	Jackson	5 hr
Oct 9, 1:03 AM EDT	Dense Fog Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	8 hr
Oct 9, 3:42 AM EDT	Small Craft Advisory	GRR		4 days
Oct 9, 2:29 PM EDT	Small Craft Advisory	APX		3 days
Oct 9, 3:37 PM EDT	Small Craft Advisory	DTX		67 hr
Oct 9, 4:20 PM EDT	Small Craft Advisory	MQT		49 hr
Oct 10, 4:28 AM EDT	Special Weather Statement	MQT	Gogebic	32 min
Oct 10, 4:57 AM EDT	Special Weather Statement	MQT	Gogebic	18 min
Oct 10, 9:27 AM EDT	Special Weather Statement	DTX	Sanilac	33 min
Oct 10, 9:34 AM EDT	Special Marine Warning	DTX		56 min
Oct 10, 7:35 PM EDT	Special Marine Warning	MQT		40 min
Oct 10, 8:10 PM EDT	Special Marine Warning	MQT		35 min
Oct 10, 8:44 PM EDT	Special Marine Warning	MQT		46 min
Oct 10, 9:29 PM EDT	Special Marine Warning	MQT		46 min
Oct 10, 10:03 PM EDT	Severe Thunderstorm Warning	MQT	Keweenaw	35 min
Oct 10, 10:14 PM EDT	Special Marine Warning	MQT		46 min
Oct 10, 10:57 PM EDT	Special Marine Warning	MQT		33 min
Oct 11, 1:37 PM EDT	Mesoscale Discussion	SPC	Antrim, Benzie, Crawford, Grand Traverse, Kalkaska, Lake and 9 more	113 min
Oct 11, 4:16 PM EDT	Small Craft Advisory	MQT		41 hr
Oct 11, 4:49 PM EDT	Severe Thunderstorm Warning	GRR	Osceola	26 min
Oct 11, 5:57 PM EDT	Mesoscale Discussion	SPC	Allegan, Cass, Kalamazoo, Kent, Lake, Mason and 7 more	93 min
Oct 11, 7:01 PM EDT	Special Weather Statement	IWX	Cass	29 min
Oct 11, 7:02 PM EDT	Special Weather Statement	GRR	Van Buren	58 min
Oct 11, 7:11 PM EDT	Special Marine Warning	GRR		64 min
Oct 11, 7:27 PM EDT	Severe Thunderstorm Warning	GRR	Van Buren	32 min
Oct 11, 7:30 PM EDT	Special Marine Warning	GRR		48 min
Oct 11, 7:36 PM EDT	Special Weather Statement	GRR	Allegan	39 min
Oct 11, 7:41 PM EDT	Special Marine Warning	GRR		64 min
Oct 11, 8:11 PM EDT	Special Weather Statement	GRR	Ottawa	34 min
Oct 11, 8:31 PM EDT	Special Weather Statement	GRR	Kent	29 min
Oct 11, 8:34 PM EDT	Severe Thunderstorm Warning	GRR	Kent	26 min
Oct 11, 8:50 PM EDT	Special Marine Warning	APX		115 min
Oct 11, 9:07 PM EDT	Special Weather Statement	GRR	Lake, Mecosta, Newaygo	38 min
Oct 11, 9:20 PM EDT	Mesoscale Discussion	SPC	Antrim, Benzie, Charlevoix, Cheboygan, Crawford, Emmet and 14 more	115 min
Oct 11, 9:37 PM EDT	Special Marine Warning	APX		113 min
Oct 11, 10:40 PM EDT	Special Marine Warning	APX		2 hr
Oct 11, 10:58 PM EDT	Special Weather Statement	APX	Antrim, Kalkaska, Missaukee	62 min
Oct 11, 11:23 PM EDT	Special Weather Statement	IWX	Saint Joseph	37 min
Oct 12, 12:00 AM EDT	Severe Thunderstorm Warning	IWX	Saint Joseph	30 min
Oct 12, 12:59 AM EDT	Special Weather Statement	IWX	Branch	46 min
Oct 13, 1:01 AM EDT	Dense Fog Advisory	IWX	Branch, Cass, Saint Joseph	8 hr
Oct 13, 2:21 AM EDT	Small Craft Advisory	APX		24 hr
Oct 13, 3:53 AM EDT	Small Craft Advisory	GRR		35 hr
Oct 13, 6:28 AM EDT	Small Craft Advisory	MQT		5 days
Oct 14, 2:32 AM EDT	Small Craft Advisory	APX		25 hr
Oct 14, 2:58 PM EDT	Special Weather Statement	DTX	Saginaw	62 min
Oct 14, 4:10 PM EDT	Special Weather Statement	DTX	Genesee, Lapeer	65 min
Oct 14, 4:19 PM EDT	Special Weather Statement	GRR	Jackson	41 min
Oct 14, 4:23 PM EDT	Special Weather Statement	IWX	Hillsdale	37 min
Oct 14, 4:36 PM EDT	Special Weather Statement	DTX	Lenawee	54 min
Oct 14, 5:31 PM EDT	Special Weather Statement	DTX	Monroe	59 min
Oct 14, 6:14 PM EDT	Special Marine Warning	DTX		38 min
Oct 15, 4:24 AM EDT	Small Craft Advisory	GRR		3 days
Oct 15, 4:38 AM EDT	Small Craft Advisory	MQT		3 days
Oct 15, 3:15 PM EDT	Small Craft Advisory	APX		55 hr
Oct 15, 4:12 PM EDT	Small Craft Advisory	DTX		65 hr
Oct 15, 9:49 PM EDT	Small Craft Advisory	MQT		46 hr
Oct 16, 10:31 AM EDT	Small Craft Advisory	MQT		9 hr
Oct 17, 10:02 PM EDT	Small Craft Advisory	APX		7 hr
Oct 19, 4:57 AM EDT	Small Craft Advisory	MQT		3 days
Oct 19, 3:40 PM EDT	Small Craft Advisory	GRR		6 hr
Oct 20, 3:53 AM EDT	Small Craft Advisory	APX		44 hr
Oct 20, 4:04 AM EDT	Small Craft Advisory	GRR		47 hr
Oct 20, 3:58 PM EDT	Small Craft Advisory	DTX		42 hr
Oct 21, 1:07 AM EDT	Special Weather Statement	IWX	Cass	38 min
Oct 21, 1:32 AM EDT	Special Weather Statement	GRR	Barry, Ionia	58 min
Oct 21, 2:40 AM EDT	Special Weather Statement	IWX	Saint Joseph	50 min
Oct 21, 3:19 AM EDT	Special Weather Statement	IWX	Branch	41 min
Oct 21, 4:04 AM EDT	Special Weather Statement	IWX	Hillsdale	41 min
Oct 21, 4:46 AM EDT	Special Weather Statement	IWX	Hillsdale	29 min
Oct 21, 5:18 AM EDT	Special Weather Statement	DTX	Lenawee, Washtenaw	57 min
Oct 21, 5:31 AM EDT	Special Weather Statement	DTX	Shiawassee	29 min
Oct 22, 3:42 PM EDT	Gale Watch	GRR		22 hr
Oct 22, 10:24 PM EDT	Small Craft Advisory	MQT		36 hr
Oct 23, 1:14 PM EDT	Gale Warning	GRR		55 hr
Oct 23, 1:17 PM EDT	Frost Advisory	GRR	Barry, Calhoun, Clinton, Eaton, Gratiot, Ingham and 5 more	20 hr
Oct 23, 2:29 PM EDT	Flood Watch	IWX	Branch, Cass, Hillsdale, Saint Joseph	37 hr
Oct 23, 2:41 PM EDT	Frost Advisory	IWX	Branch, Hillsdale, Saint Joseph	17 hr
Oct 23, 3:02 PM EDT	Frost Advisory	DTX	Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more	18 hr
Oct 23, 8:38 PM EDT	Small Craft Advisory	GRR		47 hr
Oct 23, 8:55 PM EDT	Gale Watch	DTX		19 hr
Oct 24, 3:56 AM EDT	Gale Watch	APX		11 hr
Oct 24, 3:56 AM EDT	Small Craft Advisory	APX		65 hr
Oct 24, 4:00 AM EDT	Lakeshore Flood Advisory	DTX	Bay, Huron, Saint Clair, Sanilac, Tuscola	52 hr
Oct 24, 4:03 AM EDT	Small Craft Advisory	DTX		65 hr
Oct 24, 10:27 AM EDT	Small Craft Advisory	MQT		54 hr
Oct 24, 2:38 PM EDT	Gale Warning	APX		37 hr
Oct 24, 3:37 PM EDT	Gale Warning	DTX		48 hr
Oct 24, 9:37 PM EDT	Special Weather Statement	IWX	Cass, Saint Joseph	53 min
Oct 25, 1:41 AM EDT	Special Weather Statement	GRR	Allegan, Barry, Van Buren	64 min
Oct 25, 3:20 AM EDT	Wind Advisory	DTX	Bay, Huron, Saint Clair, Sanilac, Tuscola	17 hr
Oct 25, 4:12 AM EDT	Small Craft Advisory	DTX		52 hr
Oct 25, 10:31 AM EDT	River Flood Warning	IWX	Berrien	7 days
Oct 25, 10:16 PM EDT	River Flood Warning	IWX	Berrien	11 hr
Oct 26, 4:30 AM EDT	River Flood Warning	DTX	Wayne	10 hr
Oct 26, 3:08 PM EDT	Frost Advisory	IWX	Branch, Cass, Hillsdale, Saint Joseph	19 hr
Oct 27, 11:49 AM EDT	River Flood Warning	DTX	Livingston	9 days
Oct 27, 4:11 PM EDT	River Flood Warning	IWX	Branch, Saint Joseph	7 days
Oct 27, 9:31 PM EDT	Small Craft Advisory	DTX		66 hr
Oct 28, 4:02 AM EDT	Small Craft Advisory	MQT		56 hr
Oct 28, 4:03 AM EDT	Small Craft Advisory	APX		55 hr
Oct 28, 2:54 PM EDT	Small Craft Advisory	GRR		43 hr
Oct 28, 4:02 PM EDT	Lakeshore Flood Watch	DTX	Monroe, Wayne	12 hr
Oct 29, 3:24 AM EDT	Small Craft Advisory	APX		20 hr
Oct 29, 3:37 AM EDT	Lakeshore Flood Warning	DTX	Monroe, Wayne	18 hr
Oct 29, 9:53 PM EDT	Lakeshore Flood Advisory	DTX	Monroe	6 hr
Oct 30, 4:47 AM EDT	Small Craft Advisory	MQT		4 days
Oct 30, 10:00 AM EDT	Gale Watch	DTX		12 hr
Oct 30, 3:09 PM EDT	Gale Watch	APX		7 hr
Oct 30, 3:09 PM EDT	Small Craft Advisory	APX		3 days
Oct 30, 3:29 PM EDT	Small Craft Advisory	GRR		4 days
Oct 30, 4:53 PM EDT	Gale Warning	MQT		28 hr
Oct 30, 9:33 PM EDT	River Flood Warning	DTX	Monroe	16 hr
Oct 30, 9:40 PM EDT	Gale Warning	DTX		30 hr
Oct 30, 9:40 PM EDT	Small Craft Advisory	DTX		54 hr
Oct 30, 9:52 PM EDT	Gale Warning	APX		29 hr
Oct 31, 4:53 PM EDT	Small Craft Advisory	MQT		3 days

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	5
Tornado Warning	1
Mesoscale Discussion	3
Special Weather Statement	34
Flooding
Areal Flood Warning	1
River Flood Warning	6
Flood Watch	1
Areal Flood Advisory	11
Cold
Frost Advisory	4
Wind and dust
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	7
Coast and beach
Lakeshore Flood Warning	1
Lakeshore Flood Watch	1
Lakeshore Flood Advisory	2
Marine
Gale Warning	6
Special Marine Warning	14
Gale Watch	5
Marine Dense Fog Advisory	6
Small Craft Advisory	42

By county

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

31 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.