Alert archive / Ohio / Dense Fog Advisories
Dense Fog Advisories in Ohio, 2011
28 dense fog advisories in 2011. 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 2011. Tap one for its archive.
- Dense Fog Advisories
- 28
- Busiest month
- September8 dense fog advisories
- Busiest day
- September 24, 20114 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 |
|---|---|---|---|---|
| Mar 31, 8:31 AM EDT | Dense Fog Advisory | CLE | Ashtabula, Mahoning, Trumbull | 5 hr |
| Apr 26, 4:53 AM EDT | Dense Fog Advisory | CLE | Ashtabula, Cuyahoga, Erie, Hancock, Huron, Lake and 6 more | 4 hr |
| May 8, 3:43 AM EDT | Dense Fog Advisory | IWX | Defiance, Fulton, Henry, Paulding, Putnam, Williams | 5 hr |
| May 18, 2:49 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Cuyahoga, Erie, Holmes, Huron and 6 more | 5 hr |
| May 19, 11:22 PM EDT | Dense Fog Advisory | IWX | Fulton, Williams | 12 hr |
| May 20, 3:46 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Erie, Hancock, Huron, Knox and 9 more | 6 hr |
| May 27, 3:41 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Marion, Medina, Morrow, Richland | 5 hr |
| Jun 19, 7:03 AM EDT | Dense Fog Advisory | ILN | Auglaize, Champaign, Clark, Clinton, Darke, Delaware and 18 more | 3 hr |
| Jun 20, 3:51 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Cuyahoga, Erie, Geauga, Hancock and 16 more | 5 hr |
| Jun 20, 5:40 AM EDT | Dense Fog Advisory | ILN | Adams, Brown, Butler, Champaign, Clark, Clermont and 21 more | 3 hr |
| Jul 9, 3:59 AM EDT | Dense Fog Advisory | ILN | Adams, Brown, Clermont, Highland, Hocking, Pike and 2 more | 5 hr |
| Aug 7, 4:12 AM EDT | Dense Fog Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 5 hr |
| Aug 20, 5:32 AM EDT | Dense Fog Advisory | ILN | Adams, Brown, Butler, Champaign, Clark, Clermont and 22 more | 3 hr |
| Sep 20, 12:18 AM EDT | Dense Fog Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 10 hr |
| Sep 20, 3:21 AM EDT | Dense Fog Advisory | CLE | Crawford, Hancock, Lucas, Marion, Ottawa, Sandusky and 3 more | 6 hr |
| Sep 22, 5:13 AM EDT | Dense Fog Advisory | ILN | Adams, Brown, Clermont, Clinton, Fayette, Highland and 3 more | 4 hr |
| Sep 23, 9:57 PM EDT | Dense Fog Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 11 hr |
| Sep 24, 12:52 AM EDT | Dense Fog Advisory | ILN | Adams, Auglaize, Brown, Champaign, Clark, Clinton and 23 more | 9 hr |
| Sep 24, 3:37 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Erie, Hancock, Holmes, Huron and 13 more | 5 hr |
| Sep 24, 3:45 AM EDT | Dense Fog Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 5 hr |
| Sep 27, 3:22 AM EDT | Dense Fog Advisory | ILN | Adams, Brown, Champaign, Clark, Clermont, Clinton and 17 more | 4 hr |
| Oct 5, 5:29 AM EDT | Dense Fog Advisory | ILN | Adams, Brown, Delaware, Fairfield, Fayette, Franklin and 9 more | 6 hr |
| Oct 5, 5:56 AM EDT | Dense Fog Advisory | CLE | Holmes, Knox, Marion, Morrow, Stark, Wayne | 4 hr |
| Oct 28, 6:48 AM EDT | Dense Fog Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 2 hr |
| Oct 29, 11:43 PM EDT | Dense Fog Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 11 hr |
| Oct 30, 3:25 AM EDT | Dense Fog Advisory | CLE | Ashland, Ashtabula, Holmes, Mahoning, Medina, Portage and 4 more | 7 hr |
| Dec 20, 11:28 AM EST | Dense Fog Advisory | ILN | Clark, Darke, Greene, Miami, Montgomery, Preble | 3 hr |
| Dec 21, 2:34 AM EST | Dense Fog Advisory | IWX | Defiance, Fulton, Henry, Paulding, Putnam, Williams | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Highland County8
- Pike County8
- Ross County8
- Scioto County8
- Fayette County7
- Hocking County7
- Adams County7
- Brown County7
- Fulton County6
- Williams County6
- Ashland County6
- Crawford County6
- Morrow County6
- Marion County6
- Clark County6
- Clinton County6
- Fairfield County6
- Franklin County6
- Greene County6
- Licking County6
- Madison County6
- Pickaway County6
- Union County6
- Erie County5
- Hancock County5
- Huron County5
- Sandusky County5
- Seneca County5
- Wood County5
- Defiance County5
- Henry County5
- Paulding County5
- Putnam County5
- Holmes County5
- Knox County5
- Medina County5
- Richland County5
- Wayne County5
- Champaign County5
- Darke County5
39 more counties
- Delaware County5
- Miami County5
- Clermont County5
- Lorain County4
- Lucas County4
- Ottawa County4
- Wyandot County4
- Logan County4
- Montgomery County4
- Preble County4
- Warren County4
- Ashtabula County3
- Cuyahoga County3
- Hardin County3
- Shelby County3
- Stark County3
- Allen County3
- Van Wert County3
- Belmont County3
- Carroll County3
- Columbiana County3
- Coshocton County3
- Guernsey County3
- Harrison County3
- Jefferson County3
- Monroe County3
- Muskingum County3
- Noble County3
- Tuscarawas County3
- Mahoning County2
- Trumbull County2
- Auglaize County2
- Mercer County2
- Portage County2
- Summit County2
- Butler County2
- Hamilton County2
- Lake County1
- Geauga County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.