Excessive Heat Watches in Ohio
39 excessive heat watches since 1986. 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 excessive heat watches reaches back to 2005.
Excessive Heat Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Watches
- 39
- Busiest year
- 20118 excessive heat watches
- Average year
- 4over 10 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hamilton County14
- Adams County9
- Brown County9
- Butler County9
- Clermont County9
- Clinton County9
- Highland County9
- Pike County9
- Scioto County9
- Warren County9
- Montgomery County9
- Fairfield County8
- Fayette County8
- Franklin County8
- Hocking County8
- Pickaway County8
- Ross County8
- Allen County7
- Auglaize County7
- Champaign County7
- Clark County7
- Darke County7
- Defiance County7
- Delaware County7
- Fulton County7
- Greene County7
- Hardin County7
- Henry County7
- Licking County7
- Logan County7
- Madison County7
- Mercer County7
- Miami County7
- Paulding County7
- Preble County7
- Putnam County7
- Shelby County7
- Union County7
- Van Wert County7
- Williams County7
48 more counties
- Lucas County6
- Wood County6
- Athens County6
- Gallia County6
- Jackson County6
- Lawrence County6
- Meigs County6
- Morgan County6
- Perry County6
- Vinton County6
- Washington County6
- Hancock County5
- Ottawa County5
- Sandusky County5
- Coshocton County4
- Crawford County4
- Erie County4
- Guernsey County4
- Huron County4
- Marion County4
- Morrow County4
- Muskingum County4
- Noble County4
- Seneca County4
- Tuscarawas County4
- Wyandot County4
- Ashland County3
- Belmont County3
- Carroll County3
- Columbiana County3
- Cuyahoga County3
- Harrison County3
- Holmes County3
- Jefferson County3
- Knox County3
- Lorain County3
- Mahoning County3
- Medina County3
- Monroe County3
- Portage County3
- Richland County3
- Stark County3
- Summit County3
- Trumbull County3
- Wayne County3
- Ashtabula County2
- Geauga County2
- Lake County2
Nearby
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. Rebuilt daily.