Alert archive / Ohio / Dense Fog Advisories

Dense Fog Advisories in Ohio, 2017

43 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: 43
Busiest month: January8 dense fog advisories
Busiest day: February 20, 20175 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 1, 7:24 AM EST	Dense Fog Advisory	ILN	Adams, Brown, Clermont, Clinton, Hamilton, Highland and 3 more	5 hr
Jan 2, 8:42 AM EST	Dense Fog Advisory	ILN	Adams, Brown, Butler, Champaign, Clark, Clermont and 14 more	3 hr
Jan 2, 8:33 PM EST	Dense Fog Advisory	CLE	Ashland, Geauga, Holmes, Knox, Mahoning, Medina and 7 more	6 hr
Jan 3, 9:09 AM EST	Dense Fog Advisory	ILN	Auglaize, Butler, Champaign, Clark, Darke, Delaware and 11 more	5 hr
Jan 20, 9:10 PM EST	Dense Fog Advisory	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain, Lucas and 2 more	8 hr
Jan 21, 2:28 PM EST	Dense Fog Advisory	IWX	Fulton, Putnam, Williams	38 hr
Jan 22, 3:37 PM EST	Dense Fog Advisory	IWX	Defiance, Fulton, Henry, Paulding, Williams	12 hr
Jan 22, 8:58 PM EST	Dense Fog Advisory	CLE	Ashtabula, Lucas, Ottawa, Wood	7 hr
Feb 7, 12:40 AM EST	Dense Fog Advisory	IWX	Defiance, Fulton, Henry, Paulding, Putnam, Van Wert and 1 more	6 hr
Feb 7, 2:44 AM EST	Dense Fog Advisory	CLE	Erie, Hancock, Huron, Lucas, Ottawa, Sandusky and 2 more	6 hr
Feb 19, 7:43 AM EST	Dense Fog Advisory	IWX	Defiance, Henry, Paulding, Putnam	3 hr
Feb 19, 10:30 PM EST	Dense Fog Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	13 hr
Feb 20, 1:14 AM EST	Dense Fog Advisory	RLX	Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more	10 hr
Feb 20, 2:29 AM EST	Dense Fog Advisory	PBZ	Belmont, Carroll, Coshocton, Guernsey, Harrison, Jefferson and 4 more	9 hr
Feb 20, 3:50 AM EST	Dense Fog Advisory	IWX	Allen, Van Wert	7 hr
Feb 20, 5:51 AM EST	Dense Fog Advisory	CLE	Holmes, Knox, Marion, Morrow, Stark, Wayne	3 hr
Mar 17, 11:45 PM EDT	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	6 hr
Mar 17, 11:47 PM EDT	Dense Fog Advisory	ILN	Auglaize, Butler, Champaign, Clark, Clinton, Darke and 18 more	8 hr
Mar 21, 1:13 AM EDT	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	9 hr
Mar 21, 4:12 AM EDT	Dense Fog Advisory	ILN	Auglaize, Champaign, Clark, Darke, Delaware, Franklin and 11 more	7 hr
Mar 21, 5:13 AM EDT	Dense Fog Advisory	CLE	Crawford, Hancock, Knox, Lucas, Marion, Morrow and 6 more	5 hr
Aug 20, 3:26 AM EDT	Dense Fog Advisory	PBZ	Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more	6 hr
Aug 20, 3:39 AM EDT	Dense Fog Advisory	ILN	Fairfield, Hocking, Licking	6 hr
Aug 29, 7:33 AM EDT	Dense Fog Advisory	IWX	Fulton, Williams	2 hr
Aug 30, 12:02 AM EDT	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	10 hr
Aug 30, 2:59 AM EDT	Dense Fog Advisory	CLE	Ashland, Crawford, Erie, Hancock, Huron, Knox and 10 more	7 hr
Aug 30, 3:14 AM EDT	Dense Fog Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	7 hr
Sep 14, 1:59 AM EDT	Dense Fog Advisory	IWX	Defiance, Fulton, Henry, Williams	8 hr
Sep 14, 9:08 PM EDT	Dense Fog Advisory	PBZ	Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more	13 hr
Sep 15, 12:37 AM EDT	Dense Fog Advisory	CLE	Ashland, Ashtabula, Crawford, Geauga, Holmes, Knox and 11 more	9 hr
Sep 15, 4:05 AM EDT	Dense Fog Advisory	ILN	Delaware, Fairfield, Franklin, Hocking, Licking, Pickaway and 1 more	6 hr
Sep 15, 9:30 PM EDT	Dense Fog Advisory	PBZ	Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more	12 hr
Sep 17, 2:17 AM EDT	Dense Fog Advisory	PBZ	Belmont, Carroll, Coshocton, Guernsey, Harrison, Jefferson and 4 more	7 hr
Sep 20, 3:33 AM EDT	Dense Fog Advisory	IWX	Defiance, Fulton, Williams	6 hr
Sep 20, 7:24 AM EDT	Dense Fog Advisory	ILN	Adams, Brown, Butler, Clermont, Clinton, Fayette and 7 more	96 min
Oct 10, 12:26 AM EDT	Dense Fog Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	10 hr
Oct 10, 1:40 AM EDT	Dense Fog Advisory	PBZ	Carroll, Columbiana, Coshocton, Guernsey, Harrison, Jefferson and 2 more	8 hr
Oct 10, 1:53 AM EDT	Dense Fog Advisory	CLE	Ashland, Ashtabula, Crawford, Cuyahoga, Geauga, Holmes and 14 more	8 hr
Oct 10, 4:03 AM EDT	Dense Fog Advisory	IWX	Allen, Paulding, Putnam, Van Wert	6 hr
Oct 13, 4:57 AM EDT	Dense Fog Advisory	ILN	Adams, Brown, Clermont, Clinton, Delaware, Fayette and 7 more	5 hr
Nov 5, 1:09 AM EDT	Dense Fog Advisory	IWX	Fulton, Williams	11 hr
Nov 14, 2:25 AM EST	Dense Fog Advisory	IWX	Defiance, Fulton, Henry, Paulding, Van Wert, Williams	7 hr
Nov 30, 11:35 PM EST	Dense Fog Advisory	ILN	Adams, Brown, Clermont, Pike, Scioto	9 hr

By county

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

48 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.