Alert archive / Ohio / Flash Flood Warnings
Flash Flood Warnings in Ohio, 2020
76 flash flood warnings in 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 2020. Tap one for its archive.
- Flash Flood Warnings
- 76
- Busiest month
- March19 flash flood warnings
- Busiest day
- March 29, 20207 flash flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| Mar 19, 12:31 AM EDT | Flash Flood Warning | RLX | Washington | 10 hr |
| Mar 19, 2:04 AM EDT | Flash Flood Warning | RLX | Athens, Meigs | 9 hr |
| Mar 19, 6:21 AM EDT | Flash Flood Warning | RLX | Washington | 4 hr |
| Mar 20, 3:12 AM EDT | Flash Flood Warning | ILN | Montgomery, Preble | 7 hr |
| Mar 20, 3:52 AM EDT | Flash Flood Warning | ILN | Clark, Greene | 6 hr |
| Mar 20, 5:19 AM EDT | Flash Flood Warning | ILN | Franklin, Madison | 6 hr |
| Mar 20, 5:32 AM EDT | Flash Flood Warning | ILN | Fairfield, Licking | 6 hr |
| Mar 20, 5:43 AM EDT | Flash Flood Warning | PBZ | Belmont, Guernsey, Harrison, Tuscarawas | 3 hr |
| Mar 28, 4:10 PM EDT | Flash Flood Warning | PBZ | Columbiana, Jefferson | 9 hr |
| Mar 28, 4:19 PM EDT | Flash Flood Warning | PBZ | Columbiana | 3 hr |
| Mar 28, 5:23 PM EDT | Flash Flood Warning | PBZ | Belmont, Harrison | 3 hr |
| Mar 28, 6:49 PM EDT | Flash Flood Warning | ILN | Darke, Miami, Shelby | 3 hr |
| Mar 28, 8:53 PM EDT | Flash Flood Warning | PBZ | Belmont, Guernsey, Harrison, Noble | 3 hr |
| Mar 28, 9:00 PM EDT | Flash Flood Warning | ILN | Delaware, Licking | 76 min |
| Mar 28, 9:07 PM EDT | Flash Flood Warning | PBZ | Coshocton, Tuscarawas | 3 hr |
| Mar 28, 9:24 PM EDT | Flash Flood Warning | PBZ | Belmont, Harrison, Jefferson | 3 hr |
| Mar 28, 10:04 PM EDT | Flash Flood Warning | PBZ | Carroll, Columbiana, Harrison, Jefferson, Tuscarawas | 111 min |
| Mar 29, 1:58 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 6 hr |
| Mar 29, 6:54 AM EDT | Flash Flood Warning | CLE | Cuyahoga | 5 hr |
| May 15, 5:13 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Geauga, Lake, Lorain, Medina, Summit | 5 hr |
| May 19, 12:44 AM EDT | Flash Flood Warning | CLE | Marion, Wyandot | 6 hr |
| May 19, 12:52 AM EDT | Flash Flood Warning | ILN | Delaware, Franklin | 10 hr |
| May 19, 6:04 AM EDT | Flash Flood Warning | ILN | Hamilton | 4 hr |
| May 19, 7:47 AM EDT | Flash Flood Warning | ILN | Butler, Montgomery, Preble, Warren | 4 hr |
| May 19, 9:56 AM EDT | Flash Flood Warning | ILN | Hamilton | 5 hr |
| May 19, 2:52 PM EDT | Flash Flood Warning | ILN | Hamilton | 4 hr |
| May 24, 5:58 PM EDT | Flash Flood Warning | ILN | Brown, Clermont | 2 hr |
| May 25, 6:26 PM EDT | Flash Flood Warning | CLE | Summit | 3 hr |
| May 29, 1:46 PM EDT | Flash Flood Warning | ILN | Delaware | 119 min |
| Jun 3, 9:21 PM EDT | Flash Flood Warning | RLX | Athens, Vinton, Washington | 5 hr |
| Jun 4, 12:10 AM EDT | Flash Flood Warning | RLX | Meigs | 3 hr |
| Jun 4, 3:16 PM EDT | Flash Flood Warning | CLE | Stark | 3 hr |
| Jun 4, 5:51 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jun 5, 6:04 PM EDT | Flash Flood Warning | CLE | Summit | 116 min |
| Jun 18, 6:13 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jun 21, 7:31 PM EDT | Flash Flood Warning | CLE | Knox | 4 hr |
| Jun 21, 9:02 PM EDT | Flash Flood Warning | CLE | Holmes | 5 hr |
| Jun 27, 2:18 PM EDT | Flash Flood Warning | PBZ | Belmont, Coshocton, Guernsey, Harrison, Jefferson, Muskingum and 1 more | 2 hr |
| Jun 27, 3:01 PM EDT | Flash Flood Warning | PBZ | Belmont | 98 min |
| Jun 30, 1:06 PM EDT | Flash Flood Warning | ILN | Warren | 56 min |
| Jun 30, 2:19 PM EDT | Flash Flood Warning | ILN | Brown, Clermont | 116 min |
| Jun 30, 3:06 PM EDT | Flash Flood Warning | ILN | Preble | 118 min |
| Jul 6, 6:11 PM EDT | Flash Flood Warning | ILN | Hamilton | 2 hr |
| Jul 6, 6:36 PM EDT | Flash Flood Warning | ILN | Clermont | 98 min |
| Jul 7, 1:59 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Summit | 3 hr |
| Jul 7, 2:49 PM EDT | Flash Flood Warning | CLE | Portage, Trumbull | 3 hr |
| Jul 7, 3:55 PM EDT | Flash Flood Warning | RLX | Morgan | 2 hr |
| Jul 7, 4:31 PM EDT | Flash Flood Warning | PBZ | Carroll, Tuscarawas | 119 min |
| Jul 8, 7:16 PM EDT | Flash Flood Warning | CLE | Ottawa, Sandusky | 3 hr |
| Jul 9, 4:38 PM EDT | Flash Flood Warning | IWX | Allen | 3 hr |
| Jul 10, 2:18 PM EDT | Flash Flood Warning | CLE | Trumbull | 2 hr |
| Jul 23, 9:45 PM EDT | Flash Flood Warning | RLX | Vinton | 99 min |
| Jul 30, 4:46 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jul 30, 6:20 PM EDT | Flash Flood Warning | RLX | Washington | 115 min |
| Aug 3, 8:43 PM EDT | Flash Flood Warning | ILN | Adams, Brown | 2 hr |
| Aug 3, 9:49 PM EDT | Flash Flood Warning | RLX | Jackson | 2 hr |
| Aug 14, 7:11 PM EDT | Flash Flood Warning | IWX | Fulton | 6 hr |
| Aug 14, 7:40 PM EDT | Flash Flood Warning | ILN | Hardin | 104 min |
| Aug 21, 5:54 PM EDT | Flash Flood Warning | ILN | Hocking | 67 min |
| Aug 25, 4:37 PM EDT | Flash Flood Warning | RLX | Morgan, Perry | 3 hr |
| Aug 28, 10:49 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Summit | 4 hr |
| Aug 28, 4:35 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 7 hr |
| Aug 31, 9:22 AM EDT | Flash Flood Warning | RLX | Lawrence | 3 hr |
| 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 |
| Oct 21, 5:11 AM EDT | Flash Flood Warning | CLE | Cuyahoga | 4 hr |
| Oct 21, 5:50 AM EDT | Flash Flood Warning | CLE | Geauga, Lake | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cuyahoga County9
- Summit County8
- Washington County7
- Belmont County6
- Harrison County6
- Lorain County6
- Tuscarawas County5
- Jefferson County4
- Delaware County4
- Geauga County4
- Medina County4
- Hamilton County4
- Brown County4
- Clermont County4
- Athens County3
- Preble County3
- Guernsey County3
- Columbiana County3
- Shelby County3
- Lake County3
- Vinton County3
- Portage County3
- Meigs County2
- Montgomery County2
- Franklin County2
- Licking County2
- Darke County2
- Coshocton County2
- Carroll County2
- Marion County2
- Warren County2
- Trumbull County2
- Morgan County2
- Sandusky County2
- Adams County2
- Jackson County2
- Hardin County2
- Auglaize County2
- Logan County2
- Mercer County2
24 more counties
- Clark County1
- Greene County1
- Madison County1
- Fairfield County1
- Miami County1
- Noble County1
- Wyandot County1
- Butler County1
- Stark County1
- Knox County1
- Holmes County1
- Muskingum County1
- Ottawa County1
- Allen County1
- Fulton County1
- Hocking County1
- Perry County1
- Lawrence County1
- Highland County1
- Erie County1
- Huron County1
- Seneca County1
- Mahoning County1
- Union County1
The busiest days
Days with the most alerts issued, by UTC date.
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.