Alert archive / Indiana / Dense Fog Advisories

Dense Fog Advisories in Indiana, 2021

55 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: 55
Busiest month: December14 dense fog advisories
Busiest day: April 25, 20215 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, 4:37 PM EST	Dense Fog Advisory	LOT	Benton, Jasper, Lake, Newton, Porter	29 hr
Jan 15, 11:33 PM EST	Dense Fog Advisory	LOT	Lake	4 hr
Jan 25, 10:24 PM EST	Dense Fog Advisory	PAH	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	12 hr
Jan 26, 3:41 AM EST	Dense Fog Advisory	LMK	Clark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more	3 hr
Feb 27, 6:30 AM EST	Dense Fog Advisory	LOT	Benton, Jasper, Lake, Newton, Porter	6 hr
Feb 28, 7:29 AM EST	Dense Fog Advisory	LOT	Lake, Porter	6 hr
Mar 16, 2:22 AM EDT	Dense Fog Advisory	PAH	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	9 hr
Mar 16, 3:22 AM EDT	Dense Fog Advisory	IND	Boone, Brown, Carroll, Clay, Clinton, Daviess and 18 more	8 hr
Mar 16, 3:28 AM EDT	Dense Fog Advisory	LMK	Crawford, Dubois, Orange, Perry, Washington	8 hr
Mar 17, 7:24 AM EDT	Dense Fog Advisory	ILN	Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more	4 hr
Mar 17, 7:57 AM EDT	Dense Fog Advisory	LMK	Clark, Jefferson, Scott	3 hr
Apr 24, 11:31 PM EDT	Dense Fog Advisory	IWX	Adams, Allen, Blackford, Cass, DeKalb, Grant and 9 more	6 hr
Apr 25, 1:08 AM EDT	Dense Fog Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clinton, Decatur and 22 more	7 hr
Apr 25, 3:18 AM EDT	Dense Fog Advisory	ILN	Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more	6 hr
Apr 25, 3:40 AM EDT	Dense Fog Advisory	LMK	Clark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more	4 hr
Apr 25, 3:43 AM EDT	Dense Fog Advisory	PAH	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	6 hr
May 24, 2:43 AM EDT	Dense Fog Advisory	LOT	Lake, Porter	4 hr
May 26, 9:42 PM EDT	Dense Fog Advisory	LMK	Clark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more	12 hr
May 26, 10:33 PM EDT	Dense Fog Advisory	PAH	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	11 hr
May 26, 10:50 PM EDT	Dense Fog Advisory	ILN	Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more	10 hr
May 27, 5:53 AM EDT	Dense Fog Advisory	IND	Bartholomew, Brown, Daviess, Decatur, Greene, Jackson and 7 more	3 hr
Jun 4, 1:50 AM EDT	Dense Fog Advisory	ILN	Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more	7 hr
Jun 4, 3:10 AM EDT	Dense Fog Advisory	LMK	Jefferson	6 hr
Jun 11, 7:16 AM EDT	Dense Fog Advisory	PAH	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	3 hr
Aug 18, 5:45 AM EDT	Dense Fog Advisory	IWX	Adams, Allen, Blackford, DeKalb, Elkhart, Grant and 9 more	3 hr
Aug 19, 3:36 PM EDT	Dense Fog Advisory	LMK	Clark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more	18 hr
Aug 19, 3:37 PM EDT	Dense Fog Advisory	ILN	Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more	17 hr
Aug 22, 4:43 AM EDT	Dense Fog Advisory	PAH	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	4 hr
Oct 5, 4:19 AM EDT	Dense Fog Advisory	ILN	Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more	6 hr
Oct 5, 4:25 AM EDT	Dense Fog Advisory	LMK	Clark, Crawford, Floyd, Harrison, Jefferson, Orange and 2 more	6 hr
Oct 5, 5:12 AM EDT	Dense Fog Advisory	IWX	Adams, Jay	5 hr
Oct 5, 10:02 AM EDT	Dense Fog Advisory	LMK	Clark, Crawford, Floyd, Harrison, Jefferson, Orange and 2 more	58 min
Oct 8, 3:36 AM EDT	Dense Fog Advisory	LMK	Clark, Floyd, Jefferson, Scott	6 hr
Oct 8, 10:45 PM EDT	Dense Fog Advisory	LOT	Benton, Jasper, Lake, Newton, Porter	6 hr
Oct 9, 1:03 AM EDT	Dense Fog Advisory	IWX	Adams, Allen, Cass, DeKalb, Elkhart, Fulton and 12 more	8 hr
Oct 13, 1:01 AM EDT	Dense Fog Advisory	IWX	Elkhart, Fulton, LaGrange, Marshall, Pulaski, Starke and 1 more	8 hr
Oct 13, 1:21 AM EDT	Dense Fog Advisory	LOT	Jasper, Lake, Newton, Porter	8 hr
Nov 9, 11:36 PM EST	Dense Fog Advisory	IWX	Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more	9 hr
Nov 10, 3:28 AM EST	Dense Fog Advisory	LOT	Benton, Jasper, Lake, Newton, Porter	7 hr
Nov 10, 3:46 AM EST	Dense Fog Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 27 more	5 hr
Nov 10, 5:33 AM EST	Dense Fog Advisory	ILN	Wayne	3 hr
Dec 2, 3:00 AM EST	Dense Fog Advisory	PAH	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	4 hr
Dec 2, 3:45 AM EST	Dense Fog Advisory	LMK	Dubois, Perry	4 hr
Dec 4, 12:59 AM EST	Dense Fog Advisory	IWX	Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more	10 hr
Dec 4, 4:23 AM EST	Dense Fog Advisory	ILN	Fayette, Union, Wayne	7 hr
Dec 4, 4:44 AM EST	Dense Fog Advisory	IND	Delaware, Hamilton, Hancock, Henry, Howard, Madison and 2 more	4 hr
Dec 4, 7:13 AM EST	Dense Fog Advisory	LOT	Benton, Jasper, Newton	3 hr
Dec 9, 8:54 PM EST	Dense Fog Advisory	IWX	Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more	15 hr
Dec 10, 1:27 AM EST	Dense Fog Advisory	LOT	Benton, Jasper, Lake, Newton, Porter	12 hr
Dec 10, 3:43 AM EST	Dense Fog Advisory	IND	Boone, Carroll, Clay, Clinton, Delaware, Fountain and 18 more	8 hr
Dec 26, 12:55 AM EST	Dense Fog Advisory	PAH	Posey, Vanderburgh	10 hr
Dec 27, 9:11 AM EST	Dense Fog Advisory	LOT	Benton, Jasper, Lake, Newton, Porter	4 hr
Dec 27, 11:13 AM EST	Dense Fog Advisory	IWX	Allen, DeKalb, Elkhart, Fulton, LaGrange, Marshall and 5 more	8 hr
Dec 28, 10:20 PM EST	Dense Fog Advisory	IND	Boone, Clay, Hamilton, Hancock, Hendricks, Henry and 9 more	5 hr
Dec 30, 5:38 PM EST	Dense Fog Advisory	IWX	Allen, DeKalb, Elkhart, LaGrange, Marshall, Noble and 3 more	6 hr

By county

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

49 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.