Flash Flood Watches in Ohio
381 flash flood watches 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Flash Flood Watches
- 381
- Busiest year
- 201536 flash flood watches
- Average year
- 24over 16 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.
- Gallia County109
- Lawrence County105
- Meigs County102
- Jackson County99
- Washington County98
- Athens County97
- Vinton County93
- Morgan County90
- Perry County85
- Clermont County77
- Hamilton County73
- Adams County71
- Brown County70
- Scioto County70
- Highland County64
- Pike County62
- Warren County62
- Butler County60
- Clinton County59
- Ross County56
- Hocking County55
- Belmont County51
- Clark County51
- Fairfield County50
- Monroe County50
- Pickaway County50
- Champaign County49
- Fayette County49
- Greene County49
- Jefferson County48
- Madison County48
- Noble County48
- Carroll County47
- Franklin County47
- Montgomery County47
- Guernsey County46
- Harrison County46
- Muskingum County46
- Preble County46
- Columbiana County45
48 more counties
- Tuscarawas County45
- Darke County45
- Miami County45
- Coshocton County44
- Logan County44
- Shelby County44
- Licking County43
- Delaware County41
- Union County41
- Auglaize County40
- Hardin County40
- Mercer County40
- Knox County38
- Holmes County37
- Ashland County36
- Morrow County36
- Richland County36
- Stark County36
- Wayne County36
- Marion County35
- Crawford County34
- Wyandot County34
- Mahoning County32
- Trumbull County32
- Summit County31
- Van Wert County31
- Hancock County30
- Medina County30
- Portage County30
- Seneca County30
- Allen County30
- Cuyahoga County29
- Huron County29
- Erie County28
- Lorain County28
- Sandusky County28
- Paulding County28
- Wood County27
- Putnam County27
- Ashtabula County26
- Geauga County26
- Lake County26
- Lucas County26
- Ottawa County26
- Defiance County24
- Henry County24
- Fulton County21
- Williams County21
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.