Areal Flood Advisories in Ohio
4,365 areal flood advisories 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 areal flood advisories reaches back to 2005.
Areal Flood Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Areal Flood Advisories
- 4,365
- Busiest year
- 2017367 areal flood advisories
- Average year
- 218over 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.
- Hamilton County340
- Clermont County338
- Brown County306
- Warren County284
- Franklin County283
- Butler County281
- Adams County254
- Montgomery County252
- Scioto County238
- Fairfield County233
- Preble County229
- Greene County228
- Pickaway County225
- Highland County224
- Licking County224
- Ross County218
- Delaware County214
- Clinton County210
- Darke County209
- Madison County194
- Clark County192
- Union County190
- Cuyahoga County189
- Miami County183
- Fayette County182
- Logan County176
- Pike County174
- Hocking County171
- Shelby County170
- Auglaize County160
- Champaign County154
- Lorain County145
- Summit County143
- Mercer County140
- Hardin County132
- Ashland County124
- Richland County118
- Ashtabula County117
- Trumbull County117
- Medina County116
48 more counties
- Stark County113
- Geauga County112
- Portage County104
- Marion County103
- Wood County99
- Lake County98
- Seneca County97
- Wayne County97
- Morrow County96
- Sandusky County96
- Crawford County94
- Mahoning County93
- Holmes County92
- Huron County92
- Knox County92
- Erie County86
- Wyandot County80
- Van Wert County78
- Lucas County75
- Hancock County72
- Ottawa County70
- Paulding County70
- Putnam County68
- Jefferson County63
- Allen County63
- Defiance County63
- Williams County63
- Belmont County62
- Muskingum County62
- Noble County61
- Henry County58
- Guernsey County57
- Harrison County53
- Monroe County52
- Carroll County49
- Tuscarawas County49
- Columbiana County46
- Fulton County46
- Coshocton County40
- Jackson County7
- Lawrence County7
- Athens County6
- Meigs County6
- Vinton County6
- Gallia County5
- Morgan County5
- Washington County5
- Perry County2
The latest areal flood advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 11:35 PM EDT | Areal Flood Advisory | ILN | Delaware, Union | 3 hr |
| Sep 20, 10:13 PM EDT | Areal Flood Advisory | ILN | Fairfield, Fayette, Madison, Pickaway, Pike, Ross | 3 hr |
| Sep 20, 9:34 PM EDT | Areal Flood Advisory | ILN | Fayette, Highland, Pickaway, Ross | 2 hr |
| Sep 20, 9:00 PM EDT | Areal Flood Advisory | ILN | Clark, Clinton, Fayette, Greene, Highland, Madison | 3 hr |
| Sep 20, 8:36 PM EDT | Areal Flood Advisory | ILN | Clark, Clinton, Greene, Warren | 2 hr |
| Sep 20, 8:17 PM EDT | Areal Flood Advisory | ILN | Butler, Greene, Montgomery, Warren | 2 hr |
| Sep 20, 7:51 PM EDT | Areal Flood Advisory | ILN | Butler, Darke, Miami, Montgomery, Preble | 2 hr |
| Sep 20, 7:18 PM EDT | Areal Flood Advisory | ILN | Preble | 2 hr |
| Sep 20, 3:59 AM EDT | Areal Flood Advisory | ILN | Brown, Clermont, Clinton, Highland | 5 hr |
| Sep 20, 3:12 AM EDT | Areal Flood Advisory | ILN | Pickaway, Ross | 9 hr |
| Sep 20, 3:06 AM EDT | Areal Flood Advisory | ILN | Clermont, Hamilton | 6 hr |
| Sep 20, 2:36 AM EDT | Areal Flood Advisory | ILN | Pike, Ross | 7 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.