Alert archive / Ohio / Dense Fog Advisories

Dense Fog Advisories in Ohio, 2020

21 dense fog advisories in 2020. 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 2020. Tap one for its archive.

Dense Fog Advisories
21
Busiest month
September6 dense fog advisories
Busiest day
January 15, 20204 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.

IssuedProductOfficeCountiesLasted
Jan 14, 10:03 PM ESTDense Fog AdvisoryIWXAllen, Paulding, Putnam, Van Wert12 hr
Jan 15, 12:17 AM ESTDense Fog AdvisoryILNAdams, Auglaize, Brown, Butler, Champaign, Clark and 26 more13 hr
Jan 15, 12:40 AM ESTDense Fog AdvisoryCLEAshland, Crawford, Hancock, Holmes, Knox, Marion and 4 more9 hr
Jan 15, 2:32 AM ESTDense Fog AdvisoryPBZBelmont, Carroll, Coshocton, Guernsey, Harrison, Jefferson and 4 more9 hr
Mar 25, 8:26 AM EDTDense Fog AdvisoryILNAuglaize, Champaign, Clark, Darke, Hardin, Logan and 6 more3 hr
Mar 25, 8:41 AM EDTDense Fog AdvisoryIWXAllen, Paulding, Putnam, Van Wert2 hr
Mar 27, 4:29 AM EDTDense Fog AdvisoryIWXFulton, Williams7 hr
May 15, 11:05 PM EDTDense Fog AdvisoryCLEAshland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more11 hr
May 16, 12:53 AM EDTDense Fog AdvisoryILNAuglaize, Champaign, Clark, Darke, Delaware, Fairfield and 14 more8 hr
May 16, 2:42 AM EDTDense Fog AdvisoryIWXAllen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more5 hr
May 23, 3:51 AM EDTDense Fog AdvisoryPBZBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more5 hr
Jul 24, 5:24 AM EDTDense Fog AdvisoryILNButler, Champaign, Clark, Clermont, Clinton, Fayette and 5 more4 hr
Sep 1, 5:05 AM EDTDense Fog AdvisoryILNAdams, Brown, Butler, Champaign, Clark, Clermont and 23 more5 hr
Sep 10, 2:40 AM EDTDense Fog AdvisoryIWXAllen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more5 hr
Sep 10, 3:15 AM EDTDense Fog AdvisoryCLEAshland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 17 more7 hr
Sep 10, 3:19 AM EDTDense Fog AdvisoryILNAuglaize, Hardin, Mercer6 hr
Sep 17, 3:26 AM EDTDense Fog AdvisoryRLXAthens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more7 hr
Sep 17, 3:53 AM EDTDense Fog AdvisoryILNAdams, Fairfield, Hocking, Pickaway, Pike, Ross and 1 more6 hr
Oct 5, 4:48 AM EDTDense Fog AdvisoryIWXAllen, Defiance, Paulding, Putnam, Van Wert, Williams4 hr
Oct 5, 6:14 AM EDTDense Fog AdvisoryILNAuglaize, Champaign, Clark, Delaware, Fairfield, Fayette and 10 more6 hr
Oct 22, 4:19 AM EDTDense Fog AdvisoryIWXAllen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more9 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.

  1. January 15, 20204dense fog advisories
  2. May 16, 20203dense fog advisories
  3. September 10, 20203dense fog advisories
  4. March 25, 20202dense fog advisories
  5. September 17, 20202dense fog advisories
  6. October 5, 20202dense fog advisories
  7. March 27, 20201dense fog advisories
  8. May 23, 20201dense fog advisories
  9. July 24, 20201dense fog advisories
  10. September 1, 20201dense fog advisories
  11. October 22, 20201dense fog advisories

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.