Weather alerts in Ohio, 2023
2,540 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 2,540
- Warnings
- 873
- Watches
- 90
- Advisories
- 390
- Busiest month
- July872 alerts
- Busiest day
- August 12, 2023109 alerts
Over time
By month
The alerts
2,540 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cuyahoga County162
- Highland County157
- Lorain County152
- Clermont County151
- Hamilton County148
- Brown County147
- Geauga County142
- Wayne County138
- Ashland County137
- Medina County137
- Adams County136
- Summit County135
- Warren County133
- Ashtabula County131
- Clinton County131
- Butler County130
- Scioto County128
- Erie County128
- Lake County125
- Huron County122
- Richland County122
- Lucas County120
- Ottawa County120
- Portage County120
- Pike County117
- Ross County117
- Fayette County115
- Meigs County113
- Fairfield County112
- Franklin County111
- Trumbull County111
- Delaware County110
- Licking County110
- Holmes County110
- Athens County110
- Greene County110
- Sandusky County108
- Preble County108
- Madison County106
- Pickaway County106
48 more counties
- Gallia County106
- Seneca County105
- Union County103
- Clark County103
- Montgomery County103
- Knox County101
- Washington County101
- Champaign County101
- Vinton County100
- Tuscarawas County100
- Crawford County99
- Stark County99
- Wood County99
- Hancock County98
- Hocking County97
- Miami County97
- Coshocton County97
- Morrow County96
- Jackson County96
- Darke County95
- Perry County95
- Wyandot County94
- Marion County93
- Jefferson County93
- Morgan County92
- Lawrence County90
- Auglaize County88
- Shelby County88
- Hardin County87
- Mahoning County87
- Logan County86
- Mercer County86
- Putnam County85
- Allen County84
- Noble County84
- Paulding County83
- Van Wert County83
- Williams County83
- Guernsey County83
- Defiance County82
- Fulton County82
- Columbiana County82
- Belmont County81
- Carroll County81
- Harrison County81
- Monroe County77
- Henry County75
- Muskingum County66
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. Rebuilt daily.