Weather alerts in Ohio, 2010
2,215 weather alerts in 2010, 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 2010. Tap one for its archive.
- Alerts
- 2,215
- Warnings
- 998
- Watches
- 185
- Advisories
- 456
- Busiest month
- June655 alerts
- Busiest day
- June 27, 201074 alerts
Over time
By month
The alerts
2,215 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.
- Defiance County186
- Clermont County185
- Williams County176
- Montgomery County174
- Warren County174
- Tuscarawas County174
- Fulton County172
- Hamilton County172
- Brown County172
- Butler County171
- Franklin County167
- Henry County166
- Madison County164
- Miami County163
- Adams County162
- Pickaway County162
- Clinton County160
- Darke County160
- Clark County159
- Preble County159
- Paulding County159
- Greene County158
- Shelby County158
- Coshocton County158
- Fayette County158
- Jefferson County156
- Champaign County155
- Fairfield County155
- Allen County155
- Highland County154
- Carroll County152
- Putnam County151
- Van Wert County151
- Guernsey County150
- Mercer County149
- Licking County148
- Harrison County147
- Ross County147
- Scioto County146
- Huron County145
48 more counties
- Auglaize County144
- Logan County144
- Belmont County144
- Trumbull County142
- Delaware County142
- Columbiana County142
- Lorain County141
- Pike County140
- Portage County139
- Holmes County139
- Seneca County139
- Muskingum County139
- Medina County138
- Summit County137
- Wayne County135
- Union County135
- Cuyahoga County133
- Hardin County133
- Hocking County133
- Richland County133
- Noble County133
- Ashland County131
- Geauga County130
- Stark County130
- Sandusky County130
- Wyandot County130
- Gallia County129
- Marion County127
- Lawrence County127
- Meigs County127
- Perry County127
- Ashtabula County126
- Knox County126
- Athens County126
- Crawford County125
- Wood County125
- Erie County124
- Lake County123
- Morrow County122
- Hancock County121
- Monroe County121
- Vinton County121
- Morgan County119
- Mahoning County118
- Jackson County118
- Washington County114
- Ottawa County113
- Lucas County109
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.