Alert archive / Ohio / Flash Flood Warnings
Flash Flood Warnings in Ohio, 2021
82 flash flood warnings in 2021. 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 2021. Tap one for its archive.
- Flash Flood Warnings
- 82
- Busiest month
- June29 flash flood warnings
- Busiest day
- June 10, 20216 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 18, 5:53 PM EDT | Flash Flood Warning | RLX | Gallia | 112 min |
| May 4, 11:01 AM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jun 3, 2:21 PM EDT | Flash Flood Warning | ILN | Butler, Preble | 3 hr |
| Jun 3, 4:47 PM EDT | Flash Flood Warning | CLE | Marion | 2 hr |
| Jun 3, 7:14 PM EDT | Flash Flood Warning | ILN | Union | 76 min |
| Jun 8, 2:38 PM EDT | Flash Flood Warning | CLE | Erie, Lorain | 3 hr |
| Jun 9, 5:44 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Summit | 2 hr |
| Jun 9, 6:36 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 117 min |
| Jun 10, 4:28 PM EDT | Flash Flood Warning | RLX | Meigs | 6 hr |
| Jun 10, 5:55 PM EDT | Flash Flood Warning | CLE | Richland | 2 hr |
| Jun 10, 6:06 PM EDT | Flash Flood Warning | CLE | Ashland, Medina | 3 hr |
| Jun 10, 6:53 PM EDT | Flash Flood Warning | CLE | Medina | 119 min |
| Jun 10, 6:57 PM EDT | Flash Flood Warning | CLE | Marion | 119 min |
| Jun 10, 7:13 PM EDT | Flash Flood Warning | CLE | Summit | 101 min |
| Jun 11, 2:36 PM EDT | Flash Flood Warning | RLX | Gallia, Jackson | 3 hr |
| Jun 11, 4:15 PM EDT | Flash Flood Warning | RLX | Washington | 2 hr |
| Jun 13, 3:37 PM EDT | Flash Flood Warning | RLX | Washington | 4 hr |
| Jun 13, 4:02 PM EDT | Flash Flood Warning | RLX | Washington | 3 hr |
| Jun 13, 5:36 PM EDT | Flash Flood Warning | ILN | Adams, Scioto | 2 hr |
| Jun 18, 8:11 PM EDT | Flash Flood Warning | ILN | Greene, Montgomery | 3 hr |
| Jun 18, 9:16 PM EDT | Flash Flood Warning | ILN | Clinton, Greene, Warren | 3 hr |
| Jun 18, 9:26 PM EDT | Flash Flood Warning | ILN | Butler, Montgomery, Warren | 3 hr |
| Jun 18, 9:32 PM EDT | Flash Flood Warning | ILN | Clinton, Highland, Pike | 3 hr |
| Jun 19, 3:04 AM EDT | Flash Flood Warning | ILN | Clinton, Warren | 2 hr |
| Jun 19, 6:54 AM EDT | Flash Flood Warning | ILN | Hamilton | 13 hr |
| Jun 21, 5:24 PM EDT | Flash Flood Warning | RLX | Athens, Gallia, Meigs, Washington | 4 hr |
| Jun 21, 7:01 PM EDT | Flash Flood Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton, Washington | 4 hr |
| Jun 21, 7:05 PM EDT | Flash Flood Warning | RLX | Gallia, Jackson, Meigs, Vinton | 4 hr |
| Jun 29, 7:29 PM EDT | Flash Flood Warning | CLE | Trumbull | 3 hr |
| Jun 30, 2:14 PM EDT | Flash Flood Warning | PBZ | Belmont, Harrison, Jefferson | 2 hr |
| Jun 30, 5:50 PM EDT | Flash Flood Warning | RLX | Athens | 4 hr |
| Jun 30, 8:26 PM EDT | Flash Flood Warning | ILN | Hamilton | 3 hr |
| Jun 30, 10:39 PM EDT | Flash Flood Warning | ILN | Hamilton | 3 hr |
| Jul 1, 1:23 AM EDT | Flash Flood Warning | RLX | Lawrence | 4 hr |
| Jul 1, 2:23 AM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 6 hr |
| Jul 1, 3:27 AM EDT | Flash Flood Warning | ILN | Brown, Clermont | 3 hr |
| Jul 1, 3:42 AM EDT | Flash Flood Warning | ILN | Delaware | 2 hr |
| Jul 12, 11:59 AM EDT | Flash Flood Warning | CLE | Lorain, Medina | 4 hr |
| Jul 12, 4:30 PM EDT | Flash Flood Warning | CLE | Ashland, Cuyahoga, Lorain, Medina | 6 hr |
| Jul 12, 5:34 PM EDT | Flash Flood Warning | CLE | Cuyahoga | 2 hr |
| Jul 13, 2:32 PM EDT | Flash Flood Warning | CLE | Portage, Stark | 2 hr |
| Jul 16, 5:23 PM EDT | Flash Flood Warning | ILN | Adams | 2 hr |
| Jul 16, 7:41 PM EDT | Flash Flood Warning | CLE | Ashland, Crawford, Huron, Richland, Seneca | 6 hr |
| Jul 16, 8:10 PM EDT | Flash Flood Warning | CLE | Medina | 5 hr |
| Jul 16, 9:46 PM EDT | Flash Flood Warning | CLE | Cuyahoga | 3 hr |
| Jul 17, 1:53 AM EDT | Flash Flood Warning | IWX | Paulding, Van Wert | 2 hr |
| Jul 17, 1:06 PM EDT | Flash Flood Warning | CLE | Mahoning | 4 hr |
| Jul 20, 6:53 PM EDT | Flash Flood Warning | CLE | Mahoning | 75 min |
| Jul 29, 12:03 PM EDT | Flash Flood Warning | CLE | Ashtabula | 3 hr |
| Jul 29, 8:11 PM EDT | Flash Flood Warning | ILN | Adams, Highland, Pike, Ross, Scioto | 4 hr |
| Jul 29, 9:10 PM EDT | Flash Flood Warning | ILN | Adams, Highland, Pike, Ross, Scioto | 4 hr |
| Jul 29, 9:29 PM EDT | Flash Flood Warning | ILN | Adams, Brown, Scioto | 4 hr |
| Aug 4, 7:39 PM EDT | Flash Flood Warning | PBZ | Belmont | 111 min |
| Aug 12, 7:50 PM EDT | Flash Flood Warning | ILN | Clark, Madison | 3 hr |
| Aug 12, 8:36 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Aug 13, 4:08 PM EDT | Flash Flood Warning | RLX | Lawrence | 3 hr |
| Aug 17, 11:02 AM EDT | Flash Flood Warning | ILN | Fairfield, Franklin, Licking | 4 hr |
| Aug 18, 3:55 AM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 6 hr |
| Aug 18, 4:48 AM EDT | Flash Flood Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton | 6 hr |
| Aug 18, 6:30 AM EDT | Flash Flood Warning | RLX | Athens, Morgan, Perry | 6 hr |
| Aug 18, 8:02 AM EDT | Flash Flood Warning | RLX | Morgan, Perry | 4 hr |
| Aug 19, 12:49 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 2 hr |
| Aug 19, 1:33 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence, Meigs | 6 hr |
| Aug 19, 3:09 PM EDT | Flash Flood Warning | RLX | Athens | 3 hr |
| Aug 19, 3:45 PM EDT | Flash Flood Warning | CLE | Trumbull | 4 hr |
| Aug 25, 3:53 PM EDT | Flash Flood Warning | CLE | Trumbull | 3 hr |
| Aug 26, 2:59 PM EDT | Flash Flood Warning | ILN | Greene, Montgomery | 2 hr |
| Aug 26, 3:31 PM EDT | Flash Flood Warning | ILN | Butler | 65 min |
| Aug 26, 6:20 PM EDT | Flash Flood Warning | CLE | Morrow | 3 hr |
| Aug 26, 6:52 PM EDT | Flash Flood Warning | ILN | Adams | 98 min |
| Aug 26, 9:12 PM EDT | Flash Flood Warning | IWX | Paulding | 96 min |
| Aug 29, 1:47 PM EDT | Flash Flood Warning | RLX | Athens, Morgan | 2 hr |
| Aug 29, 3:49 PM EDT | Flash Flood Warning | RLX | Gallia, Meigs, Vinton | 3 hr |
| Aug 30, 5:06 PM EDT | Flash Flood Warning | RLX | Lawrence | 4 hr |
| Aug 30, 6:48 PM EDT | Flash Flood Warning | RLX | Morgan | 98 min |
| Aug 31, 12:43 PM EDT | Flash Flood Warning | PBZ | Harrison, Jefferson | 2 hr |
| Aug 31, 5:52 PM EDT | Flash Flood Warning | PBZ | Belmont, Jefferson | 113 min |
| Sep 1, 6:23 AM EDT | Flash Flood Warning | PBZ | Jefferson | 5 hr |
| Sep 1, 7:50 AM EDT | Flash Flood Warning | PBZ | Belmont, Jefferson, Monroe | 3 hr |
| Sep 14, 10:38 PM EDT | Flash Flood Warning | CLE | Lucas, Ottawa, Wood | 5 hr |
| Oct 9, 4:19 AM EDT | Flash Flood Warning | CLE | Ashtabula, Geauga, Portage, Trumbull | 4 hr |
| Dec 6, 4:15 AM EST | Flash Flood Warning | ILN | Butler, Hamilton | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gallia County12
- Lawrence County8
- Meigs County7
- Athens County7
- Washington County6
- Adams County6
- Jefferson County6
- Medina County5
- Butler County4
- Cuyahoga County4
- Jackson County4
- Scioto County4
- Hamilton County4
- Vinton County4
- Trumbull County4
- Belmont County4
- Morgan County4
- Lorain County3
- Ashland County3
- Greene County3
- Montgomery County3
- Clinton County3
- Warren County3
- Highland County3
- Pike County3
- Marion County2
- Summit County2
- Richland County2
- Harrison County2
- Brown County2
- Portage County2
- Paulding County2
- Mahoning County2
- Ashtabula County2
- Ross County2
- Perry County2
- Preble County1
- Union County1
- Erie County1
- Clermont County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.