Alert archive / Ohio / Heat Advisories
Heat Advisories in Ohio, 2023
16 heat advisories in 2023. 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 2023. Tap one for its archive.
- Heat Advisories
- 16
- Busiest month
- July8 heat advisories
- Busiest day
- August 24, 20236 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 |
|---|---|---|---|---|
| Jul 26, 3:03 AM EDT | Heat Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 66 hr |
| Jul 26, 3:21 AM EDT | Heat Advisory | ILN | Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more | 66 hr |
| Jul 26, 10:24 AM EDT | Heat Advisory | IWX | Defiance, Fulton, Henry, Williams | 50 hr |
| Jul 27, 3:05 AM EDT | Heat Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 38 hr |
| Jul 27, 3:23 AM EDT | Heat Advisory | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 21 more | 36 hr |
| Jul 27, 3:40 AM EDT | Heat Advisory | RLX | Gallia, Jackson, Lawrence, Meigs, Vinton | 15 hr |
| Jul 27, 3:40 AM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 38 hr |
| Jul 29, 2:51 AM EDT | Heat Advisory | RLX | Gallia, Lawrence, Meigs | 15 hr |
| Aug 20, 2:50 PM EDT | Heat Advisory | ILN | Butler, Hamilton | 30 hr |
| Aug 22, 3:06 PM EDT | Heat Advisory | ILN | Butler, Hamilton | 30 hr |
| Aug 24, 2:59 AM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 2 more | 17 hr |
| Aug 24, 3:14 AM EDT | Heat Advisory | PBZ | Coshocton, Muskingum | 10 hr |
| Aug 24, 3:22 AM EDT | Heat Advisory | ILN | Adams, Brown, Champaign, Clark, Clinton, Delaware and 15 more | 16 hr |
| Aug 24, 3:35 AM EDT | Heat Advisory | CLE | Crawford, Knox, Marion, Morrow, Ottawa, Sandusky and 2 more | 17 hr |
| Aug 24, 2:30 PM EDT | Heat Advisory | ILN | Adams, Brown, Butler, Clermont, Clinton, Fayette and 10 more | 28 hr |
| Aug 24, 7:49 PM EDT | Heat Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Vinton | 20 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gallia County5
- Lawrence County5
- Meigs County5
- Butler County4
- Hamilton County4
- Jackson County4
- Vinton County4
- Adams County3
- Brown County3
- Clinton County3
- Fayette County3
- Greene County3
- Highland County3
- Hocking County3
- Pike County3
- Ross County3
- Scioto County3
- Athens County3
- Defiance County2
- Fulton County2
- Henry County2
- Williams County2
- Champaign County2
- Clark County2
- Clermont County2
- Delaware County2
- Fairfield County2
- Franklin County2
- Hardin County2
- Licking County2
- Logan County2
- Madison County2
- Montgomery County2
- Pickaway County2
- Preble County2
- Union County2
- Warren County2
- Coshocton County2
- Muskingum County2
- Crawford County2
47 more counties
- Knox County2
- Marion County2
- Morrow County2
- Ottawa County2
- Sandusky County2
- Seneca County2
- Wyandot County2
- Morgan County2
- Perry County2
- Allen County1
- Paulding County1
- Putnam County1
- Van Wert County1
- Auglaize County1
- Darke County1
- Mercer County1
- Miami County1
- Shelby County1
- Belmont County1
- Carroll County1
- Columbiana County1
- Guernsey County1
- Harrison County1
- Jefferson County1
- Monroe County1
- Noble County1
- Tuscarawas County1
- Ashland County1
- Ashtabula County1
- Cuyahoga County1
- Erie County1
- Geauga County1
- Hancock County1
- Holmes County1
- Huron County1
- Lorain County1
- Lucas County1
- Mahoning County1
- Medina County1
- Portage County1
- Richland County1
- Stark County1
- Summit County1
- Trumbull County1
- Wayne County1
- Wood County1
- Washington County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.