Weather alerts in Ohio
68,407 weather alerts since 1986, 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 since 1986. Tap one for its archive.
- Alerts
- 68,407
- Warnings
- 34,177
- Watches
- 3,162
- Advisories
- 10,135
- Busiest year
- 20263,912 alerts
- Average year
- 1,668over 41 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 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.
- Hamilton County3,875
- Clermont County3,853
- Warren County3,765
- Franklin County3,688
- Brown County3,590
- Licking County3,577
- Montgomery County3,575
- Adams County3,551
- Butler County3,551
- Clinton County3,548
- Greene County3,497
- Highland County3,454
- Miami County3,420
- Pickaway County3,402
- Darke County3,392
- Fairfield County3,377
- Madison County3,362
- Clark County3,360
- Scioto County3,335
- Ross County3,332
- Cuyahoga County3,320
- Preble County3,286
- Fayette County3,273
- Champaign County3,249
- Delaware County3,242
- Shelby County3,225
- Trumbull County3,195
- Lorain County3,190
- Union County3,138
- Logan County3,137
- Summit County3,115
- Washington County3,089
- Pike County3,088
- Ashtabula County3,087
- Columbiana County3,055
- Geauga County3,036
- Hocking County3,017
- Jefferson County3,016
- Portage County3,013
- Tuscarawas County3,008
48 more counties
- Auglaize County2,990
- Stark County2,990
- Gallia County2,986
- Athens County2,979
- Mercer County2,958
- Ashland County2,945
- Medina County2,932
- Wayne County2,932
- Richland County2,921
- Meigs County2,915
- Guernsey County2,910
- Defiance County2,902
- Lawrence County2,898
- Coshocton County2,897
- Belmont County2,888
- Carroll County2,851
- Hardin County2,842
- Muskingum County2,835
- Perry County2,833
- Wood County2,823
- Putnam County2,814
- Van Wert County2,806
- Lake County2,795
- Marion County2,795
- Harrison County2,789
- Huron County2,783
- Vinton County2,779
- Holmes County2,764
- Morgan County2,764
- Paulding County2,756
- Erie County2,754
- Williams County2,748
- Seneca County2,743
- Knox County2,729
- Sandusky County2,720
- Morrow County2,713
- Crawford County2,703
- Mahoning County2,697
- Henry County2,693
- Allen County2,674
- Hancock County2,668
- Jackson County2,667
- Noble County2,637
- Lucas County2,625
- Fulton County2,616
- Wyandot County2,545
- Monroe County2,532
- Ottawa County2,475
The latest warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 3:07 PM EDT | River Flood Warning | RLX | Athens | 13 hr |
| Sep 21, 2:16 PM EDT | Areal Flood Warning | RLX | Washington | 16 hr |
| Sep 21, 1:56 PM EDT | Areal Flood Warning | RLX | Washington | 20 hr |
| Sep 21, 10:49 AM EDT | Areal Flood Warning | PBZ | Monroe, Noble | 20 hr |
| Sep 21, 10:09 AM EDT | River Flood Warning | ILN | Pike, Scioto | 53 hr |
| Sep 21, 9:00 AM EDT | River Flood Warning | RLX | Athens | 20 hr |
| Sep 21, 8:57 AM EDT | River Flood Warning | ILN | Hocking | 29 hr |
| Sep 21, 8:31 AM EDT | Areal Flood Warning | RLX | Athens, Morgan, Perry, Washington | 7 hr |
| Sep 21, 5:49 AM EDT | Areal Flood Warning | RLX | Athens | 24 hr |
| Sep 21, 5:19 AM EDT | Areal Flood Warning | RLX | Meigs | 9 hr |
| Sep 21, 5:01 AM EDT | Areal Flood Warning | PBZ | Noble | 26 hr |
| Sep 21, 4:54 AM EDT | Areal Flood Warning | RLX | Washington | 25 hr |
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.