Dense Fog Advisories in Missouri, 2021

Dense Fog Advisories by county

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

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Jan 2, 2:33 PM CST	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Knox, Lewis and 7 more	21 hr
Jan 2, 2:49 PM CST	Dense Fog Advisory	DVN	Clark, Scotland	21 hr
Jan 2, 3:06 PM CST	Dense Fog Advisory	EAX	Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more	21 hr
Jan 2, 7:16 PM CST	Dense Fog Advisory	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 24 more	16 hr
Jan 3, 1:55 PM CST	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more	30 hr
Jan 3, 2:12 PM CST	Dense Fog Advisory	EAX	Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more	24 hr
Jan 3, 2:22 PM CST	Dense Fog Advisory	DVN	Clark, Scotland	28 hr
Jan 3, 2:38 PM CST	Dense Fog Advisory	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	18 hr
Jan 4, 5:30 AM CST	Dense Fog Advisory	PAH	Bollinger, Carter, Perry, Ripley, Wayne	5 hr
Jan 4, 9:02 AM CST	Dense Fog Advisory	SGF	Benton, Camden, Dent, Howell, Maries, Miller and 6 more	118 min
Jan 5, 3:41 PM CST	Dense Fog Advisory	DVN	Clark, Scotland	18 hr
Jan 5, 7:17 PM CST	Dense Fog Advisory	LSX	Lewis	13 hr
Jan 6, 2:37 PM CST	Dense Fog Advisory	DVN	Clark, Scotland	13 hr
Jan 19, 12:37 AM CST	Dense Fog Advisory	EAX	Bates, Buchanan, Caldwell, Carroll, Cass, Chariton and 13 more	8 hr
Jan 19, 4:49 AM CST	Dense Fog Advisory	SGF	Benton, Camden, Cedar, Dade, Dallas, Dent and 13 more	5 hr
Jan 22, 1:58 AM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	6 hr
Jan 24, 6:14 PM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	12 hr
Jan 25, 7:59 PM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	13 hr
Jan 25, 9:24 PM CST	Dense Fog Advisory	PAH	Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 4 more	12 hr
Feb 2, 2:51 PM CST	Dense Fog Advisory	LSX	Knox, Lewis, Marion, Monroe, Pike, Ralls and 1 more	20 hr
Feb 3, 1:04 AM CST	Dense Fog Advisory	DVN	Clark, Scotland	10 hr
Feb 3, 1:32 AM CST	Dense Fog Advisory	EAX	Adair, Chariton, Linn, Macon, Mercer, Putnam and 3 more	7 hr
Feb 26, 8:34 PM CST	Dense Fog Advisory	SGF	Barry, Barton, Benton, Cedar, Christian, Dade and 19 more	12 hr
Feb 27, 3:15 AM CST	Dense Fog Advisory	EAX	Adair, Andrew, Bates, Buchanan, Caldwell, Carroll and 22 more	8 hr
Feb 27, 9:03 PM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	7 hr
Feb 27, 10:16 PM CST	Dense Fog Advisory	SGF	Christian, Douglas, Howell, Oregon, Ozark, Shannon and 5 more	11 hr
Feb 28, 6:13 AM CST	Dense Fog Advisory	DVN	Clark, Scotland	6 hr
Mar 12, 3:06 PM CST	Dense Fog Advisory	SGF	Barry, Howell, McDonald, Newton, Oregon, Ozark and 2 more	5 hr
Mar 16, 12:14 AM CDT	Dense Fog Advisory	EAX	Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more	9 hr
Mar 16, 12:37 AM CDT	Dense Fog Advisory	DVN	Clark, Scotland	9 hr
Mar 16, 12:57 AM CDT	Dense Fog Advisory	SGF	Benton, Camden, Hickory, Maries, Miller, Morgan and 4 more	10 hr
Mar 16, 12:58 AM CDT	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 18 more	9 hr
Mar 26, 1:30 AM CDT	Dense Fog Advisory	SGF	Barton, Jasper, McDonald, Newton, Vernon	8 hr
Mar 26, 1:33 AM CDT	Dense Fog Advisory	EAX	Bates, Buchanan, Cass, Clay, Henry, Jackson and 2 more	8 hr
Apr 25, 2:43 AM CDT	Dense Fog Advisory	PAH	Bollinger, Cape Girardeau, Mississippi, New Madrid, Perry, Scott and 1 more	6 hr
Apr 25, 3:00 AM CDT	Dense Fog Advisory	MEG	Dunklin, Pemiscot	6 hr
Apr 29, 11:12 PM CDT	Dense Fog Advisory	MEG	Dunklin, Pemiscot	10 hr
Jun 1, 1:17 AM CDT	Dense Fog Advisory	EAX	Adair, Andrew, Atchison, Buchanan, Daviess, DeKalb and 10 more	9 hr
Jun 1, 1:18 AM CDT	Dense Fog Advisory	DVN	Clark, Scotland	8 hr
Jun 3, 2:05 AM CDT	Dense Fog Advisory	SGF	Barry, Barton, Cedar, Christian, Dade, Dallas and 9 more	6 hr
Jul 1, 4:24 AM CDT	Dense Fog Advisory	DVN	Clark	4 hr
Jul 24, 4:51 AM CDT	Dense Fog Advisory	MEG	Dunklin, Pemiscot	3 hr
Aug 13, 10:13 PM CDT	Dense Fog Advisory	MEG	Dunklin, Pemiscot	10 hr
Aug 16, 4:00 AM CDT	Dense Fog Advisory	MEG	Pemiscot	5 hr
Sep 16, 6:34 AM CDT	Dense Fog Advisory	MEG	Dunklin, Pemiscot	2 hr
Sep 25, 4:59 AM CDT	Dense Fog Advisory	EAX	Adair, Caldwell, Carroll, Chariton, Cooper, Daviess and 9 more	4 hr
Sep 25, 5:06 AM CDT	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Knox, Lewis and 9 more	4 hr
Oct 6, 8:32 PM CDT	Dense Fog Advisory	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	13 hr
Oct 6, 8:36 PM CDT	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Crawford, Gasconade and 10 more	12 hr
Oct 6, 8:42 PM CDT	Dense Fog Advisory	EAX	Adair, Bates, Buchanan, Caldwell, Carroll, Cass and 23 more	12 hr
Oct 6, 10:39 PM CDT	Dense Fog Advisory	MEG	Dunklin, Pemiscot	10 hr
Oct 7, 8:38 PM CDT	Dense Fog Advisory	LSX	Knox, Lewis, Marion, Monroe, Pike, Ralls and 1 more	12 hr
Oct 8, 5:45 AM CDT	Dense Fog Advisory	PAH	Bollinger, Cape Girardeau, Perry, Scott	3 hr
Oct 14, 9:59 PM CDT	Dense Fog Advisory	SGF	Barry, Christian, Douglas, Lawrence, McDonald, Newton and 3 more	6 hr
Nov 7, 2:23 AM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	5 hr
Nov 10, 6:12 AM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	2 hr
Dec 2, 2:00 AM CST	Dense Fog Advisory	PAH	Butler, Cape Girardeau, Mississippi, New Madrid, Scott, Stoddard	4 hr
Dec 2, 3:02 AM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	6 hr
Dec 10, 1:35 AM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	7 hr
Dec 10, 2:28 AM CST	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 17 more	9 hr
Dec 10, 2:42 AM CST	Dense Fog Advisory	SGF	Dent, Douglas, Howell, Maries, Oregon, Ozark and 5 more	6 hr
Dec 10, 6:45 AM CST	Dense Fog Advisory	PAH	Bollinger, Butler, Cape Girardeau, Carter, New Madrid, Perry and 4 more	4 hr
Dec 17, 3:31 PM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	10 hr
Dec 24, 4:04 AM CST	Dense Fog Advisory	EAX	Atchison, Holt, Nodaway, Worth	6 hr
Dec 25, 9:40 PM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	14 hr
Dec 25, 11:52 PM CST	Dense Fog Advisory	DVN	Clark, Scotland	12 hr
Dec 25, 11:55 PM CST	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more	12 hr
Dec 25, 11:55 PM CST	Dense Fog Advisory	PAH	Bollinger, Cape Girardeau, Mississippi, Perry, Scott, Wayne	10 hr
Dec 29, 9:03 PM CST	Dense Fog Advisory	SGF	Barry, Camden, Christian, Dallas, Dent, Douglas and 20 more	12 hr
Dec 29, 9:47 PM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	14 hr
Dec 29, 10:01 PM CST	Dense Fog Advisory	PAH	Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more	11 hr
Dec 29, 10:09 PM CST	Dense Fog Advisory	LSX	Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 15 more	14 hr
Dec 30, 7:17 PM CST	Dense Fog Advisory	DVN	Clark, Scotland	23 hr
Dec 30, 7:57 PM CST	Dense Fog Advisory	MEG	Dunklin, Pemiscot	13 hr
Dec 30, 9:06 PM CST	Dense Fog Advisory	EAX	Adair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 21 more	15 hr
Dec 30, 9:23 PM CST	Dense Fog Advisory	LSX	Audrain, Boone, Callaway, Cole, Knox, Lewis and 12 more	15 hr

By county

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

75 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 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.