River Flood Warnings in Ohio
2,732 river flood warnings 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 river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- River Flood Warnings
- 2,732
- Busiest year
- 2011365 river flood warnings
- Average year
- 137over 20 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.
- Defiance County262
- Trumbull County210
- Williams County172
- Marion County161
- Wood County155
- Hamilton County144
- Putnam County110
- Fulton County108
- Hancock County104
- Adams County102
- Sandusky County102
- Lake County96
- Paulding County96
- Lorain County95
- Pickaway County94
- Henry County90
- Holmes County82
- Wayne County82
- Van Wert County74
- Clermont County73
- Scioto County72
- Licking County67
- Lucas County66
- Coshocton County65
- Warren County59
- Washington County55
- Stark County52
- Allen County50
- Pike County50
- Erie County48
- Cuyahoga County46
- Tuscarawas County46
- Franklin County41
- Hocking County38
- Ottawa County37
- Summit County36
- Shelby County36
- Seneca County33
- Meigs County33
- Jefferson County31
29 more counties
- Butler County31
- Mahoning County30
- Madison County28
- Gallia County26
- Miami County25
- Lawrence County25
- Clark County24
- Greene County24
- Belmont County22
- Guernsey County22
- Montgomery County22
- Huron County19
- Geauga County18
- Portage County18
- Columbiana County18
- Morgan County17
- Ross County15
- Athens County14
- Brown County14
- Fairfield County13
- Champaign County11
- Monroe County10
- Delaware County10
- Mercer County6
- Wyandot County3
- Noble County2
- Highland County1
- Ashland County1
- Auglaize County1
The latest river flood 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, 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, 3:38 AM EDT | River Flood Warning | ILN | Greene, Warren | 18 hr |
| Sep 20, 7:52 AM EDT | River Flood Warning | ILN | Clermont, Hamilton | 3 hr |
| Sep 20, 2:54 AM EDT | River Flood Warning | ILN | Hocking | 7 hr |
| Sep 19, 10:54 AM EDT | River Flood Warning | ILN | Auglaize, Mercer | 41 hr |
| Sep 17, 10:08 AM EDT | River Flood Warning | IWX | Van Wert | 9 days |
| Aug 21, 9:17 AM EDT | River Flood Warning | PBZ | Guernsey | 69 hr |
| Aug 21, 3:17 AM EDT | River Flood Warning | CLE | Marion | 11 hr |
| Aug 20, 3:05 PM EDT | River Flood Warning | RLX | Morgan, Washington | 15 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.