Alert archive / Ohio / Dense Fog Advisories

Dense Fog Advisories in Ohio, 2018

34 dense fog advisories in 2018. 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 2018. Tap one for its archive.

Dense Fog Advisories: 34
Busiest month: September7 dense fog advisories
Busiest day: January 21, 20183 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 21, 5:01 AM EST	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	26 hr
Jan 21, 6:42 AM EST	Dense Fog Advisory	CLE	Ashland, Crawford, Erie, Hancock, Holmes, Huron and 15 more	5 hr
Jan 21, 6:57 PM EST	Dense Fog Advisory	CLE	Lucas, Ottawa, Wood	7 hr
Jan 22, 3:17 AM EST	Dense Fog Advisory	CLE	Ashtabula, Geauga, Holmes, Knox, Mahoning, Medina and 5 more	6 hr
Jan 27, 11:00 PM EST	Dense Fog Advisory	ILN	Butler, Champaign, Clark, Clermont, Clinton, Darke and 19 more	12 hr
Feb 14, 6:51 PM EST	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	27 hr
Feb 14, 7:45 PM EST	Dense Fog Advisory	CLE	Hancock, Lucas, Ottawa, Sandusky, Seneca, Wood	13 hr
Mar 28, 8:40 PM EDT	Dense Fog Advisory	ILN	Auglaize, Brown, Butler, Champaign, Clark, Clermont and 23 more	10 hr
Mar 28, 11:36 PM EDT	Dense Fog Advisory	PBZ	Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more	7 hr
Mar 29, 1:59 AM EDT	Dense Fog Advisory	CLE	Ashland, Ashtabula, Geauga, Holmes, Knox, Mahoning and 9 more	8 hr
May 14, 5:25 AM EDT	Dense Fog Advisory	CLE	Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Mahoning and 2 more	4 hr
May 22, 3:08 AM EDT	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	7 hr
Aug 2, 7:31 AM EDT	Dense Fog Advisory	ILN	Champaign, Clark, Clinton, Delaware, Fayette, Franklin and 9 more	89 min
Aug 11, 4:34 AM EDT	Dense Fog Advisory	IWX	Defiance, Fulton, Henry, Paulding, Putnam, Williams	4 hr
Aug 12, 3:49 AM EDT	Dense Fog Advisory	ILN	Adams, Brown	5 hr
Aug 18, 3:47 AM EDT	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	5 hr
Sep 14, 1:12 AM EDT	Dense Fog Advisory	ILN	Auglaize, Champaign, Clark, Darke, Delaware, Franklin and 8 more	10 hr
Sep 14, 1:17 AM EDT	Dense Fog Advisory	CLE	Ashland, Crawford, Erie, Hancock, Huron, Knox and 11 more	9 hr
Sep 14, 1:38 AM EDT	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	9 hr
Sep 15, 6:12 AM EDT	Dense Fog Advisory	ILN	Auglaize, Butler, Champaign, Clark, Darke, Delaware and 9 more	4 hr
Sep 18, 3:28 AM EDT	Dense Fog Advisory	CLE	Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 15 more	7 hr
Sep 18, 3:44 AM EDT	Dense Fog Advisory	ILN	Delaware, Licking	6 hr
Sep 28, 1:33 AM EDT	Dense Fog Advisory	ILN	Adams, Brown, Butler, Clermont, Clinton, Fairfield and 13 more	8 hr
Oct 8, 12:12 AM EDT	Dense Fog Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	11 hr
Nov 19, 3:05 AM EST	Dense Fog Advisory	CLE	Ashland, Ashtabula, Crawford, Hancock, Huron, Lucas and 11 more	4 hr
Nov 25, 6:06 AM EST	Dense Fog Advisory	ILN	Adams, Brown, Butler, Clermont, Clinton, Hamilton and 6 more	6 hr
Nov 30, 3:38 AM EST	Dense Fog Advisory	ILN	Auglaize, Butler, Champaign, Clark, Clinton, Darke and 10 more	8 hr
Nov 30, 2:45 PM EST	Dense Fog Advisory	CLE	Ashland, Crawford, Cuyahoga, Erie, Geauga, Hancock and 20 more	16 hr
Nov 30, 3:15 PM EST	Dense Fog Advisory	ILN	Auglaize, Delaware, Hardin, Logan, Mercer, Shelby and 1 more	14 hr
Nov 30, 8:17 PM EST	Dense Fog Advisory	IWX	Allen, Paulding, Putnam, Van Wert	7 hr
Dec 14, 10:08 PM EST	Dense Fog Advisory	IWX	Defiance, Fulton, Henry, Williams	7 hr
Dec 14, 10:42 PM EST	Dense Fog Advisory	CLE	Hancock, Lucas, Ottawa, Sandusky, Seneca, Wood	8 hr
Dec 20, 8:41 PM EST	Dense Fog Advisory	IWX	Defiance, Fulton, Henry, Paulding, Williams	5 hr
Dec 26, 4:24 AM EST	Dense Fog Advisory	ILN	Fayette, Franklin, Madison, Pickaway, Pike, Ross	8 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 2017 2019

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.