Alert archive / Ohio / Heat Advisories
Heat Advisories in Ohio, 2024
18 heat advisories in 2024. 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Heat Advisories
- 18
- Busiest month
- August9 heat advisories
- Busiest day
- June 17, 20244 heat 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 |
|---|---|---|---|---|
| Jun 17, 2:06 AM EDT | Heat Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 6 days |
| Jun 17, 2:15 AM EDT | Heat Advisory | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 6 days |
| Jun 17, 3:01 AM EDT | Heat Advisory | ILN | Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more | 6 days |
| Jun 17, 3:01 AM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 6 days |
| Jul 3, 2:50 AM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 17 hr |
| Jul 3, 2:57 AM EDT | Heat Advisory | ILN | Adams, Brown, Butler, Clark, Clermont, Clinton and 16 more | 17 hr |
| Jul 9, 3:21 AM EDT | Heat Advisory | RLX | Gallia, Lawrence | 17 hr |
| Jul 15, 2:45 AM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Vinton and 1 more | 17 hr |
| Jul 15, 8:47 AM EDT | Heat Advisory | ILN | Adams, Brown, Butler, Clermont, Clinton, Fayette and 9 more | 11 hr |
| Aug 26, 2:29 PM EDT | Heat Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 32 hr |
| Aug 26, 2:46 PM EDT | Heat Advisory | ILN | Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more | 53 hr |
| Aug 26, 2:47 PM EDT | Heat Advisory | CLE | Ashland, Crawford, Cuyahoga, Erie, Hancock, Huron and 11 more | 29 hr |
| Aug 27, 3:43 AM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 40 hr |
| Aug 27, 3:09 PM EDT | Heat Advisory | IWX | Allen, Paulding, Putnam, Van Wert | 25 hr |
| Aug 29, 2:24 AM EDT | Heat Advisory | RLX | Gallia, Lawrence | 18 hr |
| Aug 29, 2:47 AM EDT | Heat Advisory | ILN | Adams, Brown, Clermont, Hamilton, Highland, Pike and 1 more | 17 hr |
| Aug 30, 2:04 AM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 18 hr |
| Aug 30, 1:28 PM EDT | Heat Advisory | ILN | Adams, Brown, Butler, Champaign, Clark, Clermont and 19 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gallia County7
- Lawrence County7
- Adams County6
- Brown County6
- Clermont County6
- Hamilton County6
- Highland County6
- Pike County6
- Scioto County6
- Butler County5
- Clinton County5
- Fayette County5
- Greene County5
- Montgomery County5
- Preble County5
- Ross County5
- Warren County5
- Athens County5
- Jackson County5
- Meigs County5
- Vinton County5
- Washington County5
- Clark County4
- Fairfield County4
- Franklin County4
- Hocking County4
- Licking County4
- Madison County4
- Pickaway County4
- Morgan County4
- Perry County4
- Champaign County3
- Delaware County3
- Miami County3
- Ashland County2
- Crawford County2
- Cuyahoga County2
- Erie County2
- Hancock County2
- Huron County2
48 more counties
- Knox County2
- Lorain County2
- Lucas County2
- Marion County2
- Morrow County2
- Ottawa County2
- Richland County2
- Sandusky County2
- Seneca County2
- Wood County2
- Wyandot County2
- Auglaize County2
- Darke County2
- Hardin County2
- Logan County2
- Mercer County2
- Shelby County2
- Union County2
- Allen County2
- Paulding County2
- Putnam County2
- Van Wert County2
- Belmont County1
- Carroll County1
- Columbiana County1
- Coshocton County1
- Guernsey County1
- Harrison County1
- Jefferson County1
- Monroe County1
- Muskingum County1
- Noble County1
- Tuscarawas County1
- Ashtabula County1
- Geauga County1
- Holmes County1
- Lake County1
- Mahoning County1
- Medina County1
- Portage County1
- Stark County1
- Summit County1
- Trumbull County1
- Wayne County1
- Defiance County1
- Fulton County1
- Henry County1
- Williams County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.