Alert archive / Ohio / Flash Flood Warnings / 2020
Flash Flood Warnings in Ohio, September 2020
11 flash flood warnings in September 2020. 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 warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in September 2020. Tap one for its archive.
- Flash Flood Warnings
- 11
- Busiest day
- September 7, 20204 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 6:19 AM EDT | Flash Flood Warning | ILN | Clermont | 3 hr |
| Sep 3, 8:18 AM EDT | Flash Flood Warning | ILN | Adams, Brown, Highland | 3 hr |
| Sep 3, 10:15 AM EDT | Flash Flood Warning | RLX | Athens, Jackson, Vinton | 3 hr |
| Sep 7, 8:26 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Erie, Geauga, Huron, Lake, Lorain and 5 more | 6 hr |
| Sep 7, 1:12 PM EDT | Flash Flood Warning | CLE | Mahoning | 3 hr |
| Sep 7, 1:50 PM EDT | Flash Flood Warning | CLE | Lorain, Medina, Portage, Summit | 4 hr |
| Sep 7, 1:59 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Geauga, Lorain, Medina, Summit | 4 hr |
| Sep 7, 10:12 PM EDT | Flash Flood Warning | ILN | Auglaize, Hardin, Logan, Mercer, Shelby | 4 hr |
| Sep 7, 10:24 PM EDT | Flash Flood Warning | CLE | Marion | 6 hr |
| Sep 7, 10:58 PM EDT | Flash Flood Warning | ILN | Auglaize, Darke, Logan, Mercer, Shelby, Union | 6 hr |
| Sep 7, 11:29 PM EDT | Flash Flood Warning | ILN | Delaware | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lorain County3
- Medina County3
- Summit County3
- Cuyahoga County2
- Geauga County2
- Portage County2
- Auglaize County2
- Logan County2
- Mercer County2
- Shelby County2
- Clermont County1
- Adams County1
- Brown County1
- Highland County1
- Athens County1
- Jackson County1
- Vinton County1
- Erie County1
- Huron County1
- Lake County1
- Sandusky County1
- Seneca County1
- Mahoning County1
- Hardin County1
- Marion County1
- Darke County1
- Union County1
- Delaware County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.