Alert archive / Ohio / 2011
Weather alerts in Ohio, May 2011
721 weather alerts in May 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in May 2011. Tap one for its archive.
- Alerts
- 721
- Warnings
- 426
- Watches
- 30
- Advisories
- 69
- Busiest day
- May 26, 2011125 alerts
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 |
|---|---|---|---|---|
| May 2, 8:01 AM EDT | Areal Flood Advisory | ILN | Butler, Champaign, Clark, Darke, Hamilton, Logan and 5 more | 3 hr |
| May 2, 9:48 AM EDT | River Flood Warning | ILN | Hamilton | 64 hr |
| May 2, 3:36 PM EDT | Flood Watch | ILN | Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more | 24 hr |
| May 2, 5:23 PM EDT | River Flood Warning | CLE | Marion | 50 hr |
| May 3, 4:08 AM EDT | Small Craft Advisory | CLE | 17 hr | |
| May 3, 6:08 AM EDT | Areal Flood Advisory | ILN | Adams, Brown, Clermont, Highland | 4 hr |
| May 3, 7:46 AM EDT | Areal Flood Advisory | ILN | Brown, Clermont, Clinton, Hamilton, Warren | 3 hr |
| May 3, 8:26 AM EDT | Areal Flood Advisory | ILN | Adams, Brown, Highland, Pike, Scioto | 4 hr |
| May 3, 8:34 AM EDT | Areal Flood Advisory | ILN | Clinton, Fairfield, Fayette, Highland, Hocking, Madison and 2 more | 3 hr |
| May 3, 9:27 AM EDT | Areal Flood Warning | ILN | Greene, Warren | 40 hr |
| May 3, 9:40 AM EDT | River Flood Warning | ILN | Adams | 19 hr |
| May 3, 10:05 AM EDT | Areal Flood Warning | ILN | Adams, Brown, Scioto | 4 hr |
| May 3, 10:22 AM EDT | River Flood Advisory | ILN | Licking | 5 hr |
| May 3, 10:31 AM EDT | Areal Flood Advisory | ILN | Delaware, Fairfield, Franklin, Licking, Madison, Union | 3 hr |
| May 3, 10:42 AM EDT | River Flood Warning | ILN | Pickaway | 71 hr |
| May 3, 10:42 AM EDT | River Flood Warning | ILN | Pike, Scioto | 4 days |
| May 3, 10:49 AM EDT | River Flood Warning | CLE | Holmes, Marion, Wayne | 6 days |
| May 3, 10:49 AM EDT | River Flood Warning | CLE | Holmes, Wayne | 4 days |
| May 3, 10:58 AM EDT | Areal Flood Warning | ILN | Adams, Brown, Scioto | 3 hr |
| May 3, 10:58 AM EDT | River Flood Watch | PBZ | Coshocton | 39 hr |
| May 3, 11:05 AM EDT | River Flood Warning | ILN | Ross | 8 hr |
| May 3, 11:23 AM EDT | Areal Flood Warning | ILN | Brown, Clermont, Highland | 6 hr |
| May 3, 11:40 AM EDT | River Flood Advisory | ILN | Delaware, Franklin | 3 hr |
| May 3, 12:25 PM EDT | River Flood Warning | ILN | Miami, Shelby | 3 hr |
| May 3, 12:28 PM EDT | River Flood Warning | ILN | Clermont, Hamilton, Warren | 5 hr |
| May 3, 12:28 PM EDT | River Flood Warning | ILN | Clermont, Hamilton | 5 hr |
| May 3, 12:41 PM EDT | Areal Flood Warning | ILN | Adams, Fairfield, Highland, Hocking, Pickaway, Pike and 2 more | 5 hr |
| May 3, 1:07 PM EDT | Special Weather Statement | RLX | Athens, Jackson, Meigs, Morgan, Perry, Vinton | 3 hr |
| May 3, 2:02 PM EDT | Areal Flood Warning | ILN | Adams, Scioto | 3 hr |
| May 3, 4:11 PM EDT | Special Weather Statement | RLX | Athens, Morgan, Perry, Vinton | 109 min |
| May 3, 4:23 PM EDT | River Flood Warning | ILN | Hocking | 25 hr |
| May 3, 6:10 PM EDT | River Flood Warning | ILN | Franklin, Madison, Pickaway | 39 hr |
| May 3, 9:59 PM EDT | River Flood Warning | PBZ | Coshocton | 13 hr |
| May 4, 3:36 AM EDT | Frost Advisory | ILN | Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more | 29 hr |
| May 4, 3:45 AM EDT | Frost Advisory | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 29 hr |
| May 4, 4:14 AM EDT | Frost Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 28 hr |
| May 4, 4:30 AM EDT | River Flood Warning | CLE | Trumbull | 16 hr |
| May 4, 3:18 PM EDT | Frost Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 18 hr |
| May 4, 4:04 PM EDT | Frost Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 17 hr |
| May 6, 5:03 PM EDT | Special Marine Warning | CLE | 87 min | |
| May 6, 5:44 PM EDT | Special Weather Statement | IWX | Fulton | 31 min |
| May 6, 5:45 PM EDT | Special Marine Warning | CLE | 45 min | |
| May 6, 8:25 PM EDT | Special Weather Statement | RLX | Perry | 35 min |
| May 8, 3:43 AM EDT | Dense Fog Advisory | IWX | Defiance, Fulton, Henry, Paulding, Putnam, Williams | 5 hr |
| May 10, 4:41 AM EDT | Special Weather Statement | IWX | Paulding | 34 min |
| May 10, 6:14 AM EDT | Special Weather Statement | ILN | Perry | 46 min |
| May 10, 7:03 AM EDT | Special Weather Statement | IWX | Fulton | 42 min |
| May 10, 7:48 AM EDT | Special Weather Statement | IWX | Fulton | 57 min |
| May 10, 8:40 AM EDT | Severe Thunderstorm Warning | CLE | Hancock, Wood | 50 min |
| May 10, 9:12 AM EDT | Severe Thunderstorm Warning | CLE | Seneca, Wyandot | 48 min |
| May 10, 9:57 AM EDT | Special Weather Statement | ILN | Hardin | 63 min |
| May 10, 11:21 AM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Clark, Clermont, Clinton and 15 more | 114 min |
| May 10, 1:10 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Auglaize, Brown, Butler, Champaign and 24 more | 7 hr |
| May 10, 2:52 PM EDT | Special Weather Statement | ILN | Mercer | 68 min |
| May 10, 3:31 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Paulding, Putnam, Van Wert | 4 hr |
| May 10, 3:55 PM EDT | Special Weather Statement | ILN | Mercer | 65 min |
| May 10, 3:57 PM EDT | Severe Thunderstorm Warning | ILN | Ross | 48 min |
| May 10, 4:01 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Mercer | 59 min |
| May 10, 4:07 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Scioto | 32 min |
| May 10, 4:12 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 48 min |
| May 10, 4:17 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Jackson, Lawrence | 58 min |
| May 10, 4:28 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Jackson, Meigs, Vinton | 62 min |
| May 10, 4:32 PM EDT | Severe Thunderstorm Warning | ILN | Hocking, Ross | 58 min |
| May 10, 4:32 PM EDT | Mesoscale Discussion | SPC | Adams, Auglaize, Brown, Butler, Champaign, Clark and 25 more | 88 min |
| May 10, 4:40 PM EDT | Special Weather Statement | ILN | Scioto | 35 min |
| May 10, 4:47 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 43 min |
| May 10, 4:47 PM EDT | Areal Flood Advisory | ILN | Ross | 118 min |
| May 10, 4:51 PM EDT | Areal Flood Advisory | ILN | Mercer | 3 hr |
| May 10, 4:53 PM EDT | Special Marine Warning | CLE | 82 min | |
| May 10, 5:08 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Lawrence | 52 min |
| May 10, 5:09 PM EDT | Special Weather Statement | ILN | Auglaize, Mercer, Shelby | 66 min |
| May 10, 5:16 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 59 min |
| May 10, 5:17 PM EDT | Special Weather Statement | IWX | Van Wert | 28 min |
| May 10, 5:22 PM EDT | Severe Thunderstorm Warning | ILN | Hocking, Pickaway, Ross | 53 min |
| May 10, 5:22 PM EDT | Severe Thunderstorm Warning | IWX | Van Wert | 53 min |
| May 10, 5:24 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton | 66 min |
| May 10, 5:25 PM EDT | Severe Thunderstorm Warning | ILN | Mercer | 50 min |
| May 10, 5:29 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 10 hr |
| May 10, 5:31 PM EDT | Special Weather Statement | IWX | Van Wert | 29 min |
| May 10, 5:46 PM EDT | Special Weather Statement | ILN | Brown | 29 min |
| May 10, 5:48 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Paulding, Putnam, Van Wert | 57 min |
| May 10, 5:49 PM EDT | Flash Flood Warning | RLX | Gallia, Jackson, Lawrence, Meigs, Vinton | 10 hr |
| May 10, 5:56 PM EDT | Severe Thunderstorm Warning | RLX | Jackson | 34 min |
| May 10, 6:07 PM EDT | Areal Flood Advisory | ILN | Hocking, Pickaway | 3 hr |
| May 10, 6:11 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 39 min |
| May 10, 6:17 PM EDT | Special Weather Statement | ILN | Auglaize | 43 min |
| May 10, 6:20 PM EDT | Flash Flood Warning | ILN | Hocking, Pickaway, Ross | 7 hr |
| May 10, 6:21 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 39 min |
| May 10, 6:23 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Jackson, Lawrence, Vinton | 67 min |
| May 10, 6:31 PM EDT | Special Weather Statement | ILN | Brown | 59 min |
| May 10, 6:35 PM EDT | Special Weather Statement | IWX | Allen | 25 min |
| May 10, 6:45 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown | 45 min |
| May 10, 6:47 PM EDT | Special Weather Statement | ILN | Auglaize | 28 min |
| May 10, 6:49 PM EDT | Tornado Warning | RLX | Gallia, Jackson, Lawrence | 26 min |
| May 10, 7:03 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 57 min |
| May 10, 7:14 PM EDT | Flash Flood Warning | ILN | Pike, Scioto | 5 hr |
| May 10, 7:17 PM EDT | Mesoscale Discussion | SPC | Adams, Athens, Brown, Gallia, Highland, Hocking and 7 more | 28 min |
| May 10, 7:27 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 48 min |
| May 10, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | Gallia, Lawrence, Meigs | 5 hr |
| May 10, 7:58 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 62 min |
| May 10, 8:38 PM EDT | Severe Thunderstorm Warning | CLE | Portage | 41 min |
| May 10, 9:20 PM EDT | Special Weather Statement | ILN | Fayette, Pickaway, Ross | 25 min |
| May 10, 9:25 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Pickaway, Ross | 50 min |
| May 10, 9:54 PM EDT | Special Weather Statement | ILN | Hocking | 36 min |
| May 10, 10:08 PM EDT | Special Weather Statement | RLX | Lawrence | 52 min |
| May 10, 10:09 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Highland, Pike, Ross | 51 min |
| May 10, 10:20 PM EDT | Special Weather Statement | ILN | Madison | 25 min |
| May 10, 10:44 PM EDT | Flash Flood Warning | ILN | Fayette, Pickaway, Ross | 3 hr |
| May 10, 11:00 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Pickaway, Pike, Ross, Scioto | 45 min |
| May 10, 11:05 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Madison | 40 min |
| May 10, 11:17 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Gallia, Lawrence, Scioto | 58 min |
| May 10, 11:30 PM EDT | Flash Flood Warning | ILN | Pike, Ross | 5 hr |
| May 10, 11:34 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Pike, Scioto | 41 min |
| May 10, 11:35 PM EDT | Special Weather Statement | RLX | Lawrence | 55 min |
| May 10, 11:43 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Highland, Ross | 47 min |
| May 10, 11:54 PM EDT | Special Weather Statement | ILN | Madison | 36 min |
| May 11, 12:08 AM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 67 min |
| May 11, 12:09 AM EDT | Areal Flood Advisory | ILN | Pike, Scioto | 3 hr |
| May 11, 12:13 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 62 min |
| May 11, 12:14 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Scioto | 46 min |
| May 11, 12:26 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Fayette, Madison | 49 min |
| May 11, 12:37 AM EDT | Mesoscale Discussion | SPC | Adams, Allen, Auglaize, Champaign, Clark, Delaware and 21 more | 53 min |
| May 11, 12:46 AM EDT | Special Weather Statement | IWX | Defiance, Paulding | 29 min |
| May 11, 12:47 AM EDT | Special Weather Statement | ILN | Logan | 28 min |
| May 11, 12:53 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Scioto | 53 min |
| May 11, 12:56 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Van Wert | 23 min |
| May 11, 1:01 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Auglaize, Brown, Champaign, Clark, Clermont and 15 more | 5 hr |
| May 11, 1:05 AM EDT | Special Weather Statement | ILN | Auglaize, Hardin | 40 min |
| May 11, 1:14 AM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Highland, Madison, Ross | 46 min |
| May 11, 1:19 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Greene, Logan, Madison | 41 min |
| May 11, 1:27 AM EDT | Flash Flood Warning | ILN | Champaign, Clark, Fayette, Madison, Ross | 4 hr |
| May 11, 1:37 AM EDT | Special Weather Statement | ILN | Scioto | 23 min |
| May 11, 1:58 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Fayette, Greene, Madison | 47 min |
| May 11, 1:59 AM EDT | Special Weather Statement | ILN | Fayette | 31 min |
| May 11, 2:17 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Miami, Shelby | 43 min |
| May 11, 2:25 AM EDT | River Flood Warning | ILN | Pike, Scioto | 39 hr |
| May 11, 2:25 AM EDT | River Flood Warning | ILN | Ross | 6 hr |
| May 11, 2:44 AM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Greene, Highland | 46 min |
| May 11, 2:59 AM EDT | Special Weather Statement | ILN | Champaign, Clark, Greene | 46 min |
| May 11, 3:24 AM EDT | Flash Flood Warning | ILN | Logan | 3 hr |
| May 11, 3:24 AM EDT | Special Weather Statement | IWX | Putnam | 36 min |
| May 11, 3:26 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Logan | 49 min |
| May 11, 3:41 AM EDT | Special Weather Statement | IWX | Allen | 34 min |
| May 11, 3:53 AM EDT | Areal Flood Warning | ILN | Pike, Ross | 6 hr |
| May 11, 3:59 AM EDT | Areal Flood Advisory | ILN | Adams, Scioto | 3 hr |
| May 11, 4:03 AM EDT | Special Weather Statement | ILN | Hardin | 27 min |
| May 11, 4:31 AM EDT | Areal Flood Advisory | ILN | Auglaize, Hardin | 3 hr |
| May 11, 4:34 AM EDT | Flash Flood Warning | IWX | Allen, Putnam | 5 hr |
| May 11, 4:55 AM EDT | Special Weather Statement | ILN | Hardin | 35 min |
| May 11, 5:02 AM EDT | Flash Flood Warning | ILN | Hardin | 101 min |
| May 11, 5:07 AM EDT | Mesoscale Discussion | SPC | Adams, Auglaize, Brown, Champaign, Clark, Clermont and 15 more | 53 min |
| May 11, 5:22 AM EDT | Areal Flood Warning | ILN | Champaign, Clark, Fayette, Madison | 9 hr |
| May 11, 5:51 AM EDT | Areal Flood Warning | ILN | Logan | 4 hr |
| May 11, 9:48 AM EDT | Areal Flood Warning | ILN | Logan | 4 hr |
| May 11, 9:52 AM EDT | Areal Flood Warning | ILN | Pike, Ross | 4 hr |
| May 11, 10:07 AM EDT | Flash Flood Watch | RLX | Gallia, Jackson, Lawrence, Vinton | 7 hr |
| May 11, 10:10 AM EDT | Small Craft Advisory | CLE | 11 hr | |
| May 11, 1:47 PM EDT | Areal Flood Warning | ILN | Logan | 4 hr |
| May 11, 1:51 PM EDT | Areal Flood Warning | ILN | Ross | 4 hr |
| May 12, 2:26 AM EDT | Special Weather Statement | ILN | Licking | 34 min |
| May 12, 5:11 AM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 49 min |
| May 12, 6:03 AM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Wayne | 57 min |
| May 12, 7:02 AM EDT | Severe Thunderstorm Warning | CLE | Holmes | 58 min |
| May 12, 7:35 AM EDT | Special Weather Statement | PBZ | Coshocton | 25 min |
| May 12, 8:08 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Tuscarawas | 37 min |
| May 12, 8:23 AM EDT | Special Marine Warning | CLE | 82 min | |
| May 12, 8:42 AM EDT | Special Weather Statement | IWX | Defiance | 48 min |
| May 12, 8:47 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Harrison, Tuscarawas | 43 min |
| May 12, 9:24 AM EDT | Special Weather Statement | RLX | Washington | 51 min |
| May 12, 9:32 AM EDT | Special Weather Statement | PBZ | Guernsey, Tuscarawas | 58 min |
| May 12, 9:36 AM EDT | Severe Thunderstorm Warning | IWX | Fulton | 27 min |
| May 12, 9:53 AM EDT | Special Weather Statement | IWX | Defiance, Henry | 37 min |
| May 12, 10:30 AM EDT | Mesoscale Discussion | SPC | Ashland, Belmont, Carroll, Coshocton, Crawford, Erie and 21 more | 90 min |
| May 12, 10:35 AM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Harrison, Noble, Tuscarawas | 40 min |
| May 12, 11:04 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 39 more | 8 hr |
| May 12, 2:50 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron, Lorain | 40 min |
| May 12, 3:33 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga, Lake | 42 min |
| May 12, 3:34 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Huron, Richland, Seneca | 56 min |
| May 12, 3:36 PM EDT | Mesoscale Discussion | SPC | Ashland, Belmont, Carroll, Coshocton, Guernsey, Harrison and 12 more | 84 min |
| May 12, 3:44 PM EDT | Flash Flood Warning | CLE | Ashtabula, Geauga, Lake | 3 hr |
| May 12, 3:50 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Medina, Wayne | 55 min |
| May 12, 3:54 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 51 min |
| May 12, 3:56 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Portage, Summit | 64 min |
| May 12, 4:08 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina, Summit | 67 min |
| May 12, 4:11 PM EDT | Areal Flood Advisory | CLE | Ashland, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more | 10 hr |
| May 12, 4:14 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga, Lake | 46 min |
| May 12, 4:19 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 41 min |
| May 12, 4:26 PM EDT | Areal Flood Warning | CLE | Erie, Huron | 3 hr |
| May 12, 4:39 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage, Trumbull | 51 min |
| May 12, 4:40 PM EDT | Special Weather Statement | RLX | Washington | 35 min |
| May 12, 4:45 PM EDT | Severe Thunderstorm Warning | CLE | Geauga | 45 min |
| May 12, 4:58 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Medina, Wayne | 47 min |
| May 12, 5:02 PM EDT | Special Weather Statement | PBZ | Tuscarawas | 43 min |
| May 12, 5:04 PM EDT | Special Weather Statement | PBZ | Tuscarawas | 41 min |
| May 12, 5:27 PM EDT | Areal Flood Advisory | CLE | Mahoning, Trumbull | 9 hr |
| May 12, 5:28 PM EDT | Special Weather Statement | PBZ | Columbiana | 32 min |
| May 12, 5:29 PM EDT | River Flood Warning | CLE | Erie, Huron | 7 hr |
| May 12, 5:43 PM EDT | Special Marine Warning | CLE | 77 min | |
| May 12, 5:58 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 47 min |
| May 12, 6:11 PM EDT | Areal Flood Warning | PBZ | Carroll | 5 hr |
| May 12, 6:38 PM EDT | Areal Flood Advisory | CLE | Sandusky, Seneca | 3 hr |
| May 12, 6:42 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 48 min |
| May 12, 6:43 PM EDT | Areal Flood Warning | CLE | Geauga, Lake | 4 hr |
| May 12, 6:47 PM EDT | Special Weather Statement | PBZ | Tuscarawas | 28 min |
| May 12, 6:52 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 26 more | |
| May 12, 6:53 PM EDT | Areal Flood Warning | PBZ | Carroll, Columbiana, Jefferson | 5 hr |
| May 12, 7:30 PM EDT | Special Weather Statement | PBZ | Harrison, Jefferson | 60 min |
| May 12, 7:48 PM EDT | Special Weather Statement | PBZ | Harrison | 57 min |
| May 12, 8:34 PM EDT | Special Weather Statement | PBZ | Belmont | 56 min |
| May 12, 9:03 PM EDT | Severe Thunderstorm Warning | CLE | Marion | 42 min |
| May 12, 10:21 PM EDT | Special Weather Statement | RLX | Vinton | 24 min |
| May 12, 10:27 PM EDT | Special Weather Statement | ILN | Hocking | 48 min |
| May 12, 11:04 PM EDT | Areal Flood Advisory | ILN | Fairfield, Hocking, Pickaway | 116 min |
| May 13, 12:30 AM EDT | Special Weather Statement | ILN | Pickaway | 30 min |
| May 13, 12:31 AM EDT | Flash Flood Warning | ILN | Fairfield, Hocking, Pickaway | 3 hr |
| May 13, 9:27 AM EDT | Flood Watch | CLE | Ashland, Ashtabula, Cuyahoga, Erie, Geauga, Holmes and 12 more | 14 hr |
| May 13, 12:52 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Geauga, Lake | 5 hr |
| May 13, 2:16 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 44 min |
| May 13, 2:17 PM EDT | Special Weather Statement | PBZ | Belmont, Carroll, Columbiana, Harrison, Jefferson | 58 min |
| May 13, 2:23 PM EDT | Areal Flood Advisory | CLE | Ashtabula, Geauga, Lake, Mahoning, Portage, Stark and 1 more | 5 hr |
| May 13, 2:34 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga, Trumbull | 41 min |
| May 13, 2:52 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana, Jefferson | 38 min |
| May 13, 2:56 PM EDT | Flash Flood Warning | CLE | Ashtabula, Geauga, Trumbull | 3 hr |
| May 13, 3:29 PM EDT | Special Weather Statement | ILN | Brown, Clermont, Hamilton, Warren | 61 min |
| May 13, 3:38 PM EDT | Areal Flood Advisory | CLE | Ashland, Richland | 112 min |
| May 13, 3:52 PM EDT | Flood Watch | PBZ | Belmont, Columbiana, Jefferson | 6 hr |
| May 13, 3:56 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton, Warren | 37 min |
| May 13, 3:59 PM EDT | Areal Flood Warning | PBZ | Columbiana | 16 hr |
| May 13, 4:13 PM EDT | Severe Thunderstorm Warning | CLE | Portage | 62 min |
| May 13, 4:18 PM EDT | Severe Thunderstorm Warning | ILN | Clermont, Hamilton, Warren | 28 min |
| May 13, 4:40 PM EDT | Areal Flood Warning | CLE | Medina, Portage, Stark, Summit, Wayne | 4 hr |
| May 13, 4:42 PM EDT | Special Weather Statement | PBZ | Columbiana | 63 min |
| May 13, 4:46 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Summit, Wayne | 28 min |
| May 13, 4:56 PM EDT | Special Weather Statement | ILN | Montgomery, Preble | 64 min |
| May 13, 5:00 PM EDT | Special Weather Statement | ILN | Clinton, Fayette, Highland | 60 min |
| May 13, 5:09 PM EDT | Special Weather Statement | ILN | Auglaize | 51 min |
| May 13, 5:36 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 24 min |
| May 13, 5:41 PM EDT | Areal Flood Advisory | IWX | Paulding | 3 hr |
| May 13, 5:47 PM EDT | Areal Flood Advisory | ILN | Auglaize | 3 hr |
| May 13, 5:58 PM EDT | Areal Flood Warning | CLE | Ashtabula, Geauga, Trumbull | 5 hr |
| May 13, 6:06 PM EDT | River Flood Warning | CLE | Lake | 5 hr |
| May 13, 6:16 PM EDT | Special Weather Statement | IWX | Putnam | 29 min |
| May 13, 6:37 PM EDT | Special Weather Statement | IWX | Putnam | 23 min |
| May 13, 6:38 PM EDT | Special Weather Statement | IWX | Putnam | 22 min |
| May 13, 6:45 PM EDT | Areal Flood Advisory | ILN | Mercer | 3 hr |
| May 13, 7:13 PM EDT | Special Weather Statement | PBZ | Carroll | 62 min |
| May 13, 7:21 PM EDT | Areal Flood Warning | PBZ | Carroll | 12 hr |
| May 13, 7:26 PM EDT | River Flood Warning | CLE | Stark | 4 hr |
| May 13, 7:42 PM EDT | Areal Flood Advisory | ILN | Hardin | 3 hr |
| May 13, 8:30 PM EDT | Areal Flood Advisory | CLE | Stark | 3 hr |
| May 13, 9:35 PM EDT | Areal Flood Advisory | IWX | Defiance, Paulding, Putnam | 6 hr |
| May 13, 9:42 PM EDT | Flash Flood Warning | CLE | Ashland | 3 hr |
| May 14, 12:29 AM EDT | Areal Flood Advisory | CLE | Ashland | 6 hr |
| May 14, 4:10 AM EDT | Flash Flood Watch | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 3 more | 20 hr |
| May 14, 4:19 AM EDT | Flash Flood Watch | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 19 hr |
| May 14, 12:09 PM EDT | Special Weather Statement | ILN | Licking | 66 min |
| May 14, 12:27 PM EDT | Special Weather Statement | ILN | Union | 33 min |
| May 14, 1:18 PM EDT | Areal Flood Advisory | ILN | Auglaize, Hardin, Logan, Shelby | 3 hr |
| May 14, 1:53 PM EDT | Special Weather Statement | IWX | Allen | 52 min |
| May 14, 1:59 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 4 hr |
| May 14, 2:06 PM EDT | Flash Flood Warning | IWX | Allen, Putnam | 3 hr |
| May 14, 2:31 PM EDT | Flash Flood Warning | CLE | Hancock, Marion, Wyandot | 2 hr |
| May 14, 3:24 PM EDT | Flash Flood Warning | CLE | Crawford, Huron, Knox, Morrow, Richland, Sandusky and 2 more | 4 hr |
| May 14, 3:25 PM EDT | Special Weather Statement | IWX | Defiance | 20 min |
| May 14, 3:27 PM EDT | Special Weather Statement | ILN | Hocking | 48 min |
| May 14, 3:47 PM EDT | Areal Flood Advisory | IWX | Defiance, Williams | 3 hr |
| May 14, 3:49 PM EDT | Flash Flood Warning | CLE | Ashland, Medina, Richland | 4 hr |
| May 14, 3:50 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking | 22 min |
| May 14, 4:07 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Geauga, Lake | 4 hr |
| May 14, 4:18 PM EDT | Special Weather Statement | RLX | Athens, Meigs | 72 min |
| May 14, 4:20 PM EDT | Special Weather Statement | RLX | Perry | 25 min |
| May 14, 4:26 PM EDT | Flash Flood Warning | IWX | Henry | 3 hr |
| May 14, 4:27 PM EDT | Special Weather Statement | PBZ | Muskingum | 63 min |
| May 14, 4:36 PM EDT | Flash Flood Warning | CLE | Holmes, Knox, Medina, Wayne | 4 hr |
| May 14, 6:00 PM EDT | Areal Flood Warning | CLE | Cuyahoga, Lorain | 5 hr |
| May 14, 6:02 PM EDT | Special Weather Statement | RLX | Athens, Jackson, Meigs, Morgan, Perry, Vinton and 1 more | 88 min |
| May 14, 6:07 PM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
| May 14, 6:22 PM EDT | Flash Flood Warning | CLE | Ashtabula | 4 hr |
| May 14, 6:25 PM EDT | Areal Flood Advisory | IWX | Williams | 3 hr |
| May 14, 6:45 PM EDT | Special Weather Statement | PBZ | Harrison | 45 min |
| May 14, 7:18 PM EDT | Flash Flood Warning | CLE | Ashtabula, Trumbull | 4 hr |
| May 14, 7:20 PM EDT | Flash Flood Warning | RLX | Athens, Meigs, Morgan, Washington | 85 min |
| May 14, 7:23 PM EDT | Tornado Warning | ILN | Miami, Shelby | 37 min |
| May 14, 7:42 PM EDT | Areal Flood Warning | CLE | Ashland, Knox, Richland | 4 hr |
| May 14, 7:46 PM EDT | Special Weather Statement | PBZ | Carroll, Columbiana | 59 min |
| May 14, 7:50 PM EDT | Areal Flood Warning | CLE | Mahoning | 4 hr |
| May 14, 7:53 PM EDT | Areal Flood Warning | IWX | Defiance, Williams | 12 hr |
| May 14, 7:55 PM EDT | Tornado Warning | ILN | Miami, Shelby | 50 min |
| May 14, 8:00 PM EDT | Areal Flood Warning | CLE | Geauga | 4 hr |
| May 14, 8:45 PM EDT | Special Weather Statement | ILN | Champaign, Shelby | 60 min |
| May 14, 8:48 PM EDT | Special Weather Statement | ILN | Champaign, Shelby | 57 min |
| May 14, 9:39 PM EDT | Special Weather Statement | ILN | Auglaize, Champaign, Logan, Shelby, Union | 51 min |
| May 14, 9:50 PM EDT | Areal Flood Advisory | ILN | Champaign | 3 hr |
| May 14, 11:04 PM EDT | Areal Flood Warning | CLE | Trumbull | 6 hr |
| May 14, 11:40 PM EDT | River Flood Warning | CLE | Mahoning | 5 hr |
| May 14, 11:53 PM EDT | Areal Flood Warning | CLE | Mahoning | 5 hr |
| May 15, 12:36 AM EDT | Small Craft Advisory | CLE | 4 days | |
| May 15, 11:12 AM EDT | River Flood Warning | IWX | Williams | 24 hr |
| May 15, 11:12 AM EDT | River Flood Warning | IWX | Defiance | 24 hr |
| May 15, 11:12 AM EDT | River Flood Warning | IWX | Defiance, Fulton, Williams | 3 days |
| May 15, 3:59 PM EDT | River Flood Warning | CLE | Mahoning | 20 hr |
| May 15, 9:20 PM EDT | River Flood Warning | CLE | Lake | 57 hr |
| May 16, 8:49 AM EDT | River Flood Warning | CLE | Trumbull | 12 hr |
| May 17, 9:52 AM EDT | River Flood Warning | IWX | Williams | 25 hr |
| May 17, 9:52 AM EDT | River Flood Warning | IWX | Defiance | 4 days |
| May 18, 2:49 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Cuyahoga, Erie, Holmes, Huron and 6 more | 5 hr |
| May 18, 11:55 AM EDT | Mesoscale Discussion | SPC | Belmont, Harrison, Jefferson | 65 min |
| May 18, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Harrison, Jefferson, Monroe | 8 hr |
| May 18, 2:26 PM EDT | Special Weather Statement | PBZ | Jefferson | 49 min |
| May 18, 2:32 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Jefferson | 43 min |
| May 18, 2:53 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 52 min |
| May 18, 3:08 PM EDT | Mesoscale Discussion | SPC | Ashland, Belmont, Carroll, Columbiana, Crawford, Cuyahoga and 20 more | 67 min |
| May 18, 3:45 PM EDT | Areal Flood Advisory | PBZ | Harrison, Jefferson | 3 hr |
| May 18, 4:09 PM EDT | Areal Flood Advisory | CLE | Erie, Huron | 3 hr |
| May 18, 4:23 PM EDT | Areal Flood Advisory | CLE | Lorain | 2 hr |
| May 18, 5:19 PM EDT | Special Weather Statement | PBZ | Belmont, Harrison | 41 min |
| May 18, 5:44 PM EDT | Special Weather Statement | PBZ | Carroll | 31 min |
| May 18, 5:49 PM EDT | Areal Flood Advisory | CLE | Ashland | 115 min |
| May 18, 6:03 PM EDT | Special Weather Statement | PBZ | Belmont | 42 min |
| May 19, 11:22 PM EDT | Dense Fog Advisory | IWX | Fulton, Williams | 12 hr |
| May 20, 3:46 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Erie, Hancock, Huron, Knox and 9 more | 6 hr |
| May 22, 2:45 PM EDT | Special Weather Statement | ILN | Brown | 30 min |
| May 22, 2:50 PM EDT | Special Weather Statement | ILN | Warren | 25 min |
| May 22, 2:51 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Athens, Auglaize, Brown, Butler and 51 more | 54 min |
| May 22, 3:01 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 59 min |
| May 22, 3:13 PM EDT | Special Weather Statement | ILN | Warren | 32 min |
| May 22, 3:15 PM EDT | Mesoscale Discussion | SPC | Fulton, Lucas, Williams | 60 min |
| May 22, 3:23 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Warren | 52 min |
| May 22, 3:26 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Highland, Pike, Scioto | 49 min |
| May 22, 3:37 PM EDT | Severe Thunderstorm Warning | IWX | Williams | 68 min |
| May 22, 3:45 PM EDT | Special Weather Statement | ILN | Fayette | 30 min |
| May 22, 4:00 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Pickaway | 45 min |
| May 22, 4:07 PM EDT | Special Weather Statement | ILN | Butler | 23 min |
| May 22, 4:16 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton, Warren | 44 min |
| May 22, 4:23 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Ross | 52 min |
| May 22, 4:34 PM EDT | Special Weather Statement | IWX | Fulton | 26 min |
| May 22, 4:39 PM EDT | Severe Thunderstorm Warning | ILN | Adams | 36 min |
| May 22, 4:42 PM EDT | Severe Thunderstorm Warning | IWX | Fulton | 28 min |
| May 22, 4:44 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Gallia, Jackson, Lawrence, Meigs and 3 more | 61 min |
| May 22, 4:46 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton, Warren | 44 min |
| May 22, 4:58 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Warren | 32 min |
| May 22, 4:59 PM EDT | Severe Thunderstorm Warning | ILN | Hamilton | 46 min |
| May 22, 5:11 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 64 min |
| May 22, 5:21 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton, Warren | 39 min |
| May 22, 5:24 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Highland, Warren | 51 min |
| May 22, 5:36 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Vinton | 24 min |
| May 22, 5:40 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 5 hr |
| May 22, 5:45 PM EDT | Areal Flood Advisory | ILN | Butler, Hamilton, Warren | 3 hr |
| May 22, 5:52 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton, Washington | 53 min |
| May 22, 6:03 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 57 min |
| May 22, 6:11 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Highland, Ross | 49 min |
| May 22, 6:42 PM EDT | Special Weather Statement | ILN | Adams, Pike, Scioto | 63 min |
| May 22, 6:47 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Highland, Pike | 43 min |
| May 22, 6:56 PM EDT | Severe Thunderstorm Warning | ILN | Highland, Pike, Ross | 34 min |
| May 22, 7:05 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Ross, Scioto | 40 min |
| May 22, 7:08 PM EDT | Severe Thunderstorm Warning | RLX | Gallia, Jackson, Lawrence, Vinton | 37 min |
| May 22, 7:26 PM EDT | Mesoscale Discussion | SPC | Athens, Gallia, Hocking, Jackson, Lawrence, Meigs and 6 more | 2 hr |
| May 22, 7:29 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Jackson, Vinton | 31 min |
| May 22, 7:43 PM EDT | Special Weather Statement | ILN | Hocking | 47 min |
| May 22, 8:02 PM EDT | Special Weather Statement | RLX | Athens, Vinton | 28 min |
| May 22, 8:10 PM EDT | Areal Flood Warning | ILN | Adams, Highland, Pike, Scioto | 4 hr |
| May 22, 8:19 PM EDT | Special Weather Statement | RLX | Meigs | 26 min |
| May 22, 8:20 PM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Mercer, Paulding, Putnam and 2 more | 115 min |
| May 22, 8:57 PM EDT | Special Weather Statement | RLX | Washington | 48 min |
| May 22, 9:06 PM EDT | Special Weather Statement | IWX | Paulding, Van Wert | 24 min |
| May 22, 9:14 PM EDT | Special Weather Statement | PBZ | Guernsey, Monroe, Muskingum, Noble | 61 min |
| May 22, 10:16 PM EDT | Special Marine Warning | CLE | 74 min | |
| May 22, 11:24 PM EDT | Special Marine Warning | CLE | 81 min | |
| May 23, 2:37 AM EDT | Special Weather Statement | ILN | Butler, Darke, Hamilton, Miami, Montgomery, Preble | 53 min |
| May 23, 3:41 AM EDT | Special Weather Statement | ILN | Butler, Champaign, Clark, Clermont, Clinton, Greene and 8 more | 64 min |
| May 23, 4:20 AM EDT | Mesoscale Discussion | SPC | Adams, Brown, Clermont | 85 min |
| May 23, 4:48 AM EDT | Special Weather Statement | ILN | Butler, Clark, Clinton, Delaware, Fayette, Franklin and 8 more | 57 min |
| May 23, 5:51 AM EDT | Special Weather Statement | ILN | Clinton, Delaware, Fayette, Franklin, Greene, Madison and 2 more | 54 min |
| May 23, 6:12 AM EDT | Special Weather Statement | ILN | Adams, Brown, Clermont, Highland | 63 min |
| May 23, 6:24 AM EDT | Areal Flood Warning | ILN | Clinton, Fayette, Greene, Madison, Pickaway, Ross and 1 more | 3 hr |
| May 23, 6:47 AM EDT | Flash Flood Warning | ILN | Clinton, Fayette, Franklin, Greene, Madison, Pickaway | 3 hr |
| May 23, 8:25 AM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Ashtabula, Auglaize, Champaign, Clark and 40 more | 65 min |
| May 23, 9:40 AM EDT | Areal Flood Warning | ILN | Pickaway | 3 hr |
| May 23, 12:35 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Defiance, Fulton, Henry, Lucas and 6 more | 85 min |
| May 23, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Hancock, Henry, Lucas and 8 more | 8 hr |
| May 23, 3:52 PM EDT | Mesoscale Discussion | SPC | Butler, Clermont, Hamilton, Montgomery, Preble, Warren | 53 min |
| May 23, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Ashland, Auglaize, Brown, Butler, Champaign and 44 more | 6 hr |
| May 23, 4:36 PM EDT | Severe Thunderstorm Warning | CLE | Wood | 39 min |
| May 23, 4:42 PM EDT | Special Marine Warning | CLE | 93 min | |
| May 23, 5:03 PM EDT | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky | 42 min |
| May 23, 5:20 PM EDT | Severe Thunderstorm Warning | CLE | Lucas | 11 min |
| May 23, 5:40 PM EDT | Severe Thunderstorm Warning | IWX | Paulding, Van Wert | 47 min |
| May 23, 5:42 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 23, 5:43 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 47 min |
| May 23, 5:59 PM EDT | Severe Thunderstorm Warning | IWX | Van Wert | 46 min |
| May 23, 6:20 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Ashland, Auglaize, Brown, Butler and 46 more | 55 min |
| May 23, 6:22 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Mercer | 53 min |
| May 23, 6:25 PM EDT | Special Marine Warning | CLE | 50 min | |
| May 23, 6:27 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 48 min |
| May 23, 6:30 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Darke, Preble | 60 min |
| May 23, 6:40 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Defiance, Fulton, Hancock, Henry and 7 more | 65 min |
| May 23, 6:45 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Van Wert | 37 min |
| May 23, 6:48 PM EDT | Tornado Warning | IWX | Allen, Van Wert | 42 min |
| May 23, 6:49 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Lorain | 56 min |
| May 23, 6:52 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Clermont, Hamilton, Warren | 53 min |
| May 23, 6:57 PM EDT | Tornado Warning | ILN | Butler, Hamilton | 30 min |
| May 23, 6:58 PM EDT | Tornado Warning | CLE | Cuyahoga, Lorain, Medina | 32 min |
| May 23, 7:08 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Darke, Hardin, Logan, Mercer and 1 more | 67 min |
| May 23, 7:11 PM EDT | Severe Thunderstorm Warning | ILN | Clermont, Hamilton | 49 min |
| May 23, 7:13 PM EDT | Tornado Warning | IWX | Allen | 47 min |
| May 23, 7:16 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Champaign, Clark, Darke, Greene, Miami and 4 more | 59 min |
| May 23, 7:16 PM EDT | Tornado Warning | ILN | Butler, Clermont, Hamilton, Warren | 32 min |
| May 23, 7:17 PM EDT | Tornado Warning | IWX | Allen, Putnam | 43 min |
| May 23, 7:20 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Coshocton, Gallia, Guernsey, Harrison and 15 more | 85 min |
| May 23, 7:27 PM EDT | Tornado Warning | CLE | Cuyahoga, Summit | 33 min |
| May 23, 7:35 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Clermont, Clinton, Fayette, Highland and 1 more | 40 min |
| May 23, 7:36 PM EDT | Tornado Warning | ILN | Darke, Miami | 39 min |
| May 23, 7:37 PM EDT | Areal Flood Advisory | CLE | Cuyahoga, Lorain | 113 min |
| May 23, 7:37 PM EDT | Special Marine Warning | CLE | 113 min | |
| May 23, 7:39 PM EDT | Severe Thunderstorm Warning | CLE | Hancock | 55 min |
| May 23, 7:40 PM EDT | Tornado Warning | ILN | Miami, Shelby | 35 min |
| May 23, 7:45 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage | 45 min |
| May 23, 7:53 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 23, 7:56 PM EDT | Tornado Warning | ILN | Champaign, Clark, Greene | 34 min |
| May 23, 7:58 PM EDT | Areal Flood Advisory | IWX | Allen, Putnam, Van Wert | 3 hr |
| May 23, 8:02 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Hardin, Logan, Union | 58 min |
| May 23, 8:02 PM EDT | Tornado Warning | ILN | Champaign, Clark, Logan | 32 min |
| May 23, 8:07 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Delaware, Fayette, Franklin, Greene and 3 more | 53 min |
| May 23, 8:07 PM EDT | Mesoscale Discussion | SPC | Ashtabula, Carroll, Columbiana, Cuyahoga, Geauga, Holmes and 9 more | 83 min |
| May 23, 8:08 PM EDT | Tornado Warning | CLE | Portage, Trumbull | 37 min |
| May 23, 8:08 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Clinton, Fayette, Highland, Pike and 2 more | 67 min |
| May 23, 8:14 PM EDT | Severe Thunderstorm Warning | CLE | Marion, Seneca, Wyandot | 61 min |
| May 23, 8:19 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 29 min |
| May 23, 8:22 PM EDT | Areal Flood Advisory | ILN | Butler, Clermont, Hamilton, Warren | 3 hr |
| May 23, 8:25 PM EDT | Tornado Warning | ILN | Madison, Union | 24 min |
| May 23, 8:31 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 24 more | 3 hr |
| May 23, 8:37 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Morrow, Seneca | 36 min |
| May 23, 8:38 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 52 min |
| May 23, 8:41 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Perry and 1 more | 64 min |
| May 23, 8:43 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 33 min |
| May 23, 8:43 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Fairfield, Franklin, Hocking, Licking, Pickaway and 1 more | 62 min |
| May 23, 8:46 PM EDT | Special Weather Statement | PBZ | Muskingum | 59 min |
| May 23, 8:50 PM EDT | Severe Thunderstorm Warning | RLX | Perry | 55 min |
| May 23, 8:52 PM EDT | Areal Flood Advisory | ILN | Brown, Clermont, Clinton, Highland, Pike, Ross | 3 hr |
| May 23, 8:58 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Huron, Knox, Morrow, Richland | 62 min |
| May 23, 9:03 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Scioto | 27 min |
| May 23, 9:18 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Muskingum, Noble, Tuscarawas | 57 min |
| May 23, 9:26 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 23, 9:28 PM EDT | Severe Thunderstorm Warning | CLE | Huron, Lorain | 28 min |
| May 23, 9:36 PM EDT | Areal Flood Advisory | ILN | Fairfield, Hocking, Licking | 3 hr |
| May 23, 9:36 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 54 min |
| May 23, 9:37 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Wayne | 38 min |
| May 23, 9:46 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga | 38 min |
| May 23, 9:58 PM EDT | Flash Flood Watch | RLX | Gallia, Lawrence | 5 hr |
| May 23, 10:04 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Trumbull | 56 min |
| May 23, 10:17 PM EDT | Special Weather Statement | PBZ | Carroll, Columbiana, Harrison, Jefferson, Tuscarawas | 58 min |
| May 23, 10:19 PM EDT | Special Weather Statement | PBZ | Belmont, Monroe, Noble | 56 min |
| May 23, 10:51 PM EDT | River Flood Watch | IWX | Defiance | 43 hr |
| May 24, 9:56 AM EDT | River Flood Warning | IWX | Van Wert | 8 days |
| May 24, 10:07 AM EDT | River Flood Watch | IWX | Defiance, Fulton, Williams | 32 hr |
| May 24, 2:11 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Crawford, Hancock, Hardin and 17 more | 94 min |
| May 24, 4:15 PM EDT | Special Weather Statement | IWX | Paulding, Putnam | 60 min |
| May 24, 5:17 PM EDT | Special Weather Statement | IWX | Paulding, Putnam | 58 min |
| May 24, 6:03 PM EDT | Areal Flood Warning | CLE | Mahoning, Portage, Stark, Summit | 100 min |
| May 24, 7:58 PM EDT | Areal Flood Advisory | CLE | Stark, Wayne | 3 hr |
| May 24, 8:52 PM EDT | Special Weather Statement | PBZ | Carroll | 53 min |
| May 24, 10:07 PM EDT | Special Weather Statement | PBZ | Carroll | 23 min |
| May 25, 9:18 AM EDT | Special Weather Statement | ILN | Miami, Preble | 27 min |
| May 25, 9:31 AM EDT | Special Weather Statement | ILN | Montgomery | 59 min |
| May 25, 11:27 AM EDT | Special Weather Statement | IWX | Defiance, Paulding, Williams | 33 min |
| May 25, 12:20 PM EDT | Special Weather Statement | IWX | Fulton, Henry | 25 min |
| May 25, 12:37 PM EDT | Special Weather Statement | ILN | Union | 23 min |
| May 25, 1:26 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Champaign, Clark, Clinton, Crawford and 36 more | 94 min |
| May 25, 1:37 PM EDT | Severe Thunderstorm Warning | IWX | Defiance | 38 min |
| May 25, 1:54 PM EDT | Flash Flood Watch | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 14 hr |
| May 25, 1:55 PM EDT | Tornado Watch | SPC | Adams, Allen, Ashland, Ashtabula, Auglaize, Brown and 62 more | 8 hr |
| May 25, 2:13 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Paulding | 62 min |
| May 25, 2:16 PM EDT | Flood Watch | CLE | Ashland, Crawford, Erie, Hancock, Huron, Knox and 10 more | 14 hr |
| May 25, 2:20 PM EDT | Special Weather Statement | IWX | Fulton | 25 min |
| May 25, 2:39 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Paulding, Williams | 51 min |
| May 25, 2:47 PM EDT | Areal Flood Warning | CLE | Lucas, Wood | 16 hr |
| May 25, 2:47 PM EDT | Flash Flood Warning | IWX | Defiance, Fulton, Henry, Paulding, Williams | 3 hr |
| May 25, 2:57 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 25, 3:30 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Paulding, Williams | 60 min |
| May 25, 3:33 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Wood | 57 min |
| May 25, 3:52 PM EDT | Tornado Warning | IWX | Defiance, Fulton, Henry, Paulding, Putnam | 38 min |
| May 25, 4:03 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Ottawa, Sandusky | 57 min |
| May 25, 4:10 PM EDT | Severe Thunderstorm Warning | CLE | Hancock | 50 min |
| May 25, 4:12 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Henry, Putnam | 33 min |
| May 25, 4:15 PM EDT | Severe Thunderstorm Warning | IWX | Van Wert | 29 min |
| May 25, 4:19 PM EDT | Tornado Warning | IWX | Defiance, Henry, Paulding, Williams | 41 min |
| May 25, 4:24 PM EDT | Tornado Warning | CLE | Hancock | 51 min |
| May 25, 4:25 PM EDT | Areal Flood Warning | CLE | Hancock | 14 hr |
| May 25, 4:25 PM EDT | Tornado Warning | IWX | Henry, Putnam | 28 min |
| May 25, 4:33 PM EDT | Tornado Warning | IWX | Van Wert | 42 min |
| May 25, 4:39 PM EDT | Severe Thunderstorm Warning | ILN | Mercer | 27 min |
| May 25, 4:45 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Ashtabula, Auglaize, Carroll, Columbiana and 37 more | 60 min |
| May 25, 4:57 PM EDT | Tornado Warning | CLE | Hancock, Sandusky, Seneca, Wood | 63 min |
| May 25, 5:00 PM EDT | Tornado Warning | IWX | Allen, Putnam, Van Wert | 45 min |
| May 25, 5:01 PM EDT | Special Marine Warning | CLE | 119 min | |
| May 25, 5:04 PM EDT | Special Weather Statement | IWX | Fulton, Henry | 26 min |
| May 25, 5:15 PM EDT | Areal Flood Warning | CLE | Ottawa, Sandusky, Seneca | 13 hr |
| May 25, 5:24 PM EDT | Tornado Warning | CLE | Sandusky, Seneca | 51 min |
| May 25, 5:24 PM EDT | Flash Flood Warning | IWX | Defiance, Fulton, Henry, Paulding, Putnam, Van Wert and 1 more | 3 hr |
| May 25, 5:28 PM EDT | Special Weather Statement | ILN | Auglaize, Hardin, Mercer | 62 min |
| May 25, 5:34 PM EDT | Tornado Warning | CLE | Hancock | 41 min |
| May 25, 5:37 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 53 min |
| May 25, 5:42 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 32 min |
| May 25, 5:48 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 42 min |
| May 25, 5:49 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Logan, Mercer, Shelby | 41 min |
| May 25, 5:52 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Darke, Hamilton, Montgomery, Preble | 53 min |
| May 25, 5:54 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Seneca, Wyandot | 51 min |
| May 25, 6:00 PM EDT | Areal Flood Warning | CLE | Crawford, Erie, Huron, Wyandot | 12 hr |
| May 25, 6:02 PM EDT | Tornado Warning | ILN | Hardin | 28 min |
| May 25, 6:03 PM EDT | Tornado Warning | CLE | Erie, Huron | 57 min |
| May 25, 6:03 PM EDT | Tornado Warning | ILN | Butler, Preble | 42 min |
| May 25, 6:09 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Henry, Putnam, Van Wert | 39 min |
| May 25, 6:17 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 58 min |
| May 25, 6:17 PM EDT | River Flood Warning | IWX | Paulding | 7 days |
| May 25, 6:17 PM EDT | River Flood Warning | IWX | Defiance, Henry | 7 days |
| May 25, 6:17 PM EDT | River Flood Warning | IWX | Defiance | 9 days |
| May 25, 6:17 PM EDT | River Flood Warning | IWX | Defiance, Fulton, Williams | 10 days |
| May 25, 6:24 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin, Logan, Shelby | 51 min |
| May 25, 6:26 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 49 min |
| May 25, 6:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Huron, Seneca | 54 min |
| May 25, 6:37 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Greene, Montgomery, Preble, Warren | 53 min |
| May 25, 6:41 PM EDT | Tornado Warning | ILN | Butler, Montgomery, Preble, Warren | 34 min |
| May 25, 6:42 PM EDT | Areal Flood Warning | CLE | Cuyahoga, Huron, Lorain, Medina | 5 hr |
| May 25, 6:44 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 25, 6:45 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 45 min |
| May 25, 6:53 PM EDT | Severe Thunderstorm Warning | CLE | Lorain, Medina | 67 min |
| May 25, 6:56 PM EDT | Areal Flood Advisory | ILN | Hardin | 4 hr |
| May 25, 7:00 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Wyandot | 60 min |
| May 25, 7:01 PM EDT | Special Marine Warning | CLE | 119 min | |
| May 25, 7:09 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain, Medina | 4 hr |
| May 25, 7:09 PM EDT | Tornado Warning | ILN | Clinton, Greene, Montgomery, Warren | 33 min |
| May 25, 7:19 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 41 min |
| May 25, 7:20 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 40 min |
| May 25, 7:21 PM EDT | Flash Flood Warning | CLE | Ashland, Crawford, Marion, Morrow, Richland, Wyandot | 6 hr |
| May 25, 7:31 PM EDT | Tornado Warning | CLE | Summit | 29 min |
| May 25, 7:37 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Wayne | 38 min |
| May 25, 7:41 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Fayette, Greene, Madison | 64 min |
| May 25, 7:42 PM EDT | Areal Flood Warning | CLE | Geauga, Lake, Portage, Summit, Wayne | 5 hr |
| May 25, 7:50 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 55 min |
| May 25, 7:55 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Preble, Shelby | 10 min |
| May 25, 8:03 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage, Trumbull | 42 min |
| May 25, 8:09 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Montgomery, Preble | 51 min |
| May 25, 8:12 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Paulding, Putnam, Van Wert | 27 min |
| May 25, 8:14 PM EDT | Mesoscale Discussion | SPC | Adams, Ashland, Ashtabula, Athens, Belmont, Brown and 54 more | 2 hr |
| May 25, 8:15 PM EDT | Severe Thunderstorm Warning | CLE | Stark, Summit, Wayne | 60 min |
| May 25, 8:17 PM EDT | Areal Flood Warning | CLE | Ashtabula, Mahoning, Stark, Trumbull | 10 hr |
| May 25, 8:20 PM EDT | Special Weather Statement | PBZ | Carroll, Columbiana, Tuscarawas | 55 min |
| May 25, 8:41 PM EDT | Areal Flood Advisory | CLE | Holmes, Knox | 5 hr |
| May 25, 8:41 PM EDT | Special Marine Warning | CLE | 79 min | |
| May 25, 8:41 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Trumbull | 49 min |
| May 25, 8:44 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Greene, Logan, Miami, Montgomery and 1 more | 50 min |
| May 25, 8:58 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Preble | 62 min |
| May 25, 9:22 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Logan, Madison, Union | 38 min |
| May 25, 9:29 PM EDT | Special Weather Statement | PBZ | Carroll, Columbiana, Harrison, Jefferson, Tuscarawas | 31 min |
| May 25, 9:33 PM EDT | Tornado Watch | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 19 more | 7 hr |
| May 25, 9:34 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Miami, Shelby | 41 min |
| May 25, 9:37 PM EDT | Special Weather Statement | PBZ | Columbiana | 23 min |
| May 25, 9:55 PM EDT | Special Weather Statement | ILN | Delaware, Union | 50 min |
| May 25, 10:00 PM EDT | River Flood Warning | IWX | Henry | 5 days |
| May 25, 10:00 PM EDT | River Flood Warning | IWX | Putnam | 5 days |
| May 25, 10:03 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Madison, Union | 42 min |
| May 25, 10:09 PM EDT | River Flood Warning | CLE | Hancock | 57 hr |
| May 25, 10:14 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Logan, Miami, Shelby | 20 min |
| May 25, 10:31 PM EDT | Severe Thunderstorm Warning | CLE | Knox, Morrow | 44 min |
| May 25, 10:40 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Preble | 50 min |
| May 25, 10:49 PM EDT | River Flood Warning | CLE | Cuyahoga | 36 hr |
| May 25, 10:49 PM EDT | River Flood Warning | CLE | Geauga, Portage, Summit | 25 hr |
| May 25, 10:57 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Stark, Summit, Wayne | 48 min |
| May 25, 10:58 PM EDT | Special Weather Statement | ILN | Delaware, Franklin, Madison | 47 min |
| May 25, 11:04 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Madison, Union | 36 min |
| May 25, 11:14 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Knox, Richland | 46 min |
| May 25, 11:19 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Shelby | 41 min |
| May 25, 11:44 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Stark, Summit, Trumbull | 46 min |
| May 25, 11:56 PM EDT | Special Weather Statement | ILN | Logan | 34 min |
| May 25, 11:59 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Darke, Hamilton, Mercer, Montgomery, Preble | 46 min |
| May 26, 12:15 AM EDT | Areal Flood Warning | CLE | Cuyahoga, Huron, Lorain, Medina | 6 hr |
| May 26, 12:18 AM EDT | River Flood Warning | CLE | Lucas, Wood | 6 days |
| May 26, 12:18 AM EDT | River Flood Warning | CLE | Ottawa, Sandusky, Wood | 3 days |
| May 26, 12:20 AM EDT | Severe Thunderstorm Warning | ILN | Butler, Clermont, Hamilton, Warren | 44 min |
| May 26, 12:22 AM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 23 min |
| May 26, 12:23 AM EDT | Mesoscale Discussion | SPC | Mercer, Van Wert | 2 hr |
| May 26, 12:24 AM EDT | Flash Flood Warning | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 1 more | 11 hr |
| May 26, 12:29 AM EDT | Areal Flood Warning | CLE | Geauga, Lake, Portage, Summit, Wayne | 6 hr |
| May 26, 12:29 AM EDT | Areal Flood Warning | IWX | Allen, Paulding, Putnam, Van Wert | 11 hr |
| May 26, 12:33 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Clark, Darke, Greene, Logan and 4 more | 42 min |
| May 26, 12:37 AM EDT | River Flood Warning | CLE | Lucas, Wood | 5 days |
| May 26, 12:39 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Clermont, Clinton, Fayette, Highland and 1 more | 51 min |
| May 26, 12:53 AM EDT | Special Weather Statement | IWX | Paulding, Van Wert | 37 min |
| May 26, 1:07 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Clark, Fayette, Franklin, Greene and 5 more | 38 min |
| May 26, 1:15 AM EDT | Areal Flood Warning | CLE | Ashland, Crawford, Marion, Morrow, Richland, Wyandot | 5 hr |
| May 26, 1:17 AM EDT | Special Weather Statement | ILN | Adams, Highland, Pike, Ross, Scioto | 58 min |
| May 26, 1:22 AM EDT | Special Weather Statement | IWX | Allen, Putnam | 23 min |
| May 26, 1:29 AM EDT | Severe Thunderstorm Warning | CLE | Hancock, Marion, Wood, Wyandot | 61 min |
| May 26, 1:33 AM EDT | Special Weather Statement | RLX | Athens, Jackson, Morgan, Perry, Vinton | 27 min |
| May 26, 1:44 AM EDT | Severe Thunderstorm Warning | ILN | Delaware, Fairfield, Franklin, Hardin, Licking, Madison and 2 more | 48 min |
| May 26, 2:11 AM EDT | Special Marine Warning | CLE | 2 hr | |
| May 26, 2:15 AM EDT | Special Weather Statement | RLX | Morgan, Perry | 60 min |
| May 26, 2:37 AM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 27 more | 83 min |
| May 26, 2:51 AM EDT | Severe Thunderstorm Warning | CLE | Ashland, Erie, Huron, Lorain, Medina, Richland and 1 more | 54 min |
| May 26, 3:31 AM EDT | Special Marine Warning | CLE | 119 min | |
| May 26, 3:58 AM EDT | River Flood Warning | CLE | Hancock | 26 hr |
| May 26, 4:13 AM EDT | Special Weather Statement | PBZ | Carroll | 32 min |
| May 26, 5:28 AM EDT | River Flood Warning | CLE | Trumbull | 43 hr |
| May 26, 6:32 AM EDT | Areal Flood Advisory | CLE | Sandusky, Seneca | 6 hr |
| May 26, 6:36 AM EDT | Areal Flood Advisory | CLE | Morrow | 6 hr |
| May 26, 6:50 AM EDT | Areal Flood Advisory | CLE | Ashland, Medina, Portage, Summit | 6 hr |
| May 26, 7:29 AM EDT | Areal Flood Advisory | CLE | Hancock, Wood, Wyandot | 5 hr |
| May 26, 8:33 AM EDT | River Flood Warning | CLE | Trumbull | 39 hr |
| May 26, 8:46 AM EDT | Areal Flood Warning | CLE | Ashland, Holmes, Knox, Richland | 8 hr |
| May 26, 8:57 AM EDT | River Flood Warning | CLE | Erie, Huron | 10 hr |
| May 26, 10:06 AM EDT | River Flood Warning | CLE | Lorain | 46 hr |
| May 26, 10:20 AM EDT | River Flood Warning | CLE | Seneca | 32 hr |
| May 26, 10:21 AM EDT | River Flood Warning | CLE | Marion | 44 hr |
| May 26, 10:21 AM EDT | River Flood Warning | CLE | Marion | 4 days |
| May 26, 11:02 AM EDT | Flood Watch | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 11 hr |
| May 26, 11:21 AM EDT | Areal Flood Warning | CLE | Crawford, Marion, Morrow, Wyandot | 25 hr |
| May 26, 12:01 PM EDT | River Flood Warning | IWX | Williams | 7 days |
| May 26, 12:01 PM EDT | River Flood Warning | IWX | Defiance | 52 hr |
| May 26, 12:47 PM EDT | Areal Flood Warning | CLE | Ottawa, Wood | 24 hr |
| May 26, 1:35 PM EDT | Areal Flood Advisory | CLE | Lucas | 5 hr |
| May 26, 2:02 PM EDT | Flash Flood Warning | IWX | Defiance, Paulding | 3 hr |
| May 26, 2:26 PM EDT | Special Weather Statement | ILN | Clermont | 34 min |
| May 26, 2:45 PM EDT | Special Weather Statement | ILN | Warren | 30 min |
| May 26, 2:57 PM EDT | Special Weather Statement | IWX | Fulton | 48 min |
| May 26, 3:05 PM EDT | Areal Flood Warning | CLE | Medina, Summit, Wayne | 7 hr |
| May 26, 3:06 PM EDT | Special Weather Statement | ILN | Greene, Warren | 24 min |
| May 26, 3:09 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Champaign, Clark, Clermont, Clinton and 19 more | 96 min |
| May 26, 3:24 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Clermont | 51 min |
| May 26, 3:35 PM EDT | Special Weather Statement | IWX | Fulton | 40 min |
| May 26, 3:36 PM EDT | Special Weather Statement | ILN | Clark, Madison | 24 min |
| May 26, 3:38 PM EDT | Areal Flood Warning | CLE | Ashtabula, Geauga, Lake | 6 hr |
| May 26, 3:45 PM EDT | Flash Flood Warning | IWX | Defiance, Fulton, Henry, Williams | 3 hr |
| May 26, 3:54 PM EDT | Special Marine Warning | CLE | 111 min | |
| May 26, 3:54 PM EDT | Special Weather Statement | ILN | Franklin, Madison | 36 min |
| May 26, 4:14 PM EDT | Special Weather Statement | ILN | Adams, Brown, Highland | 31 min |
| May 26, 4:19 PM EDT | Special Weather Statement | IWX | Allen, Henry, Putnam, Van Wert | 56 min |
| May 26, 4:25 PM EDT | Special Weather Statement | ILN | Delaware, Franklin | 50 min |
| May 26, 4:26 PM EDT | Areal Flood Warning | CLE | Ashland, Holmes, Knox, Richland | 17 hr |
| May 26, 4:39 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 66 min |
| May 26, 4:43 PM EDT | Areal Flood Warning | CLE | Hancock, Sandusky, Seneca | 7 hr |
| May 26, 4:43 PM EDT | Special Weather Statement | ILN | Fayette, Highland | 32 min |
| May 26, 4:52 PM EDT | Special Weather Statement | ILN | Delaware | 23 min |
| May 26, 5:00 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Knox, Morrow, Richland | 45 min |
| May 26, 5:08 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Summit, Wayne | 40 min |
| May 26, 5:10 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Madison, Pickaway, Ross | 31 min |
| May 26, 5:12 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 26 min |
| May 26, 5:17 PM EDT | Special Weather Statement | IWX | Allen, Fulton, Henry, Putnam | 58 min |
| May 26, 5:25 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Licking | 24 min |
| May 26, 5:26 PM EDT | River Flood Warning | CLE | Mahoning | 29 hr |
| May 26, 5:30 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland, Wayne | 45 min |
| May 26, 5:31 PM EDT | Special Marine Warning | CLE | 119 min | |
| May 26, 5:34 PM EDT | Special Weather Statement | ILN | Licking | 26 min |
| May 26, 5:48 PM EDT | Areal Flood Warning | CLE | Cuyahoga, Erie, Huron, Lorain | 7 hr |
| May 26, 5:51 PM EDT | Special Weather Statement | PBZ | Coshocton | 24 min |
| May 26, 6:03 PM EDT | Severe Thunderstorm Warning | CLE | Geauga | 34 min |
| May 26, 6:06 PM EDT | Special Weather Statement | ILN | Mercer | 39 min |
| May 26, 6:06 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 17 more | 6 hr |
| May 26, 6:09 PM EDT | Special Weather Statement | ILN | Adams, Scioto | 36 min |
| May 26, 6:09 PM EDT | Special Weather Statement | IWX | Allen | 66 min |
| May 26, 6:26 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Scioto | 49 min |
| May 26, 6:30 PM EDT | Flash Flood Warning | CLE | Lorain | 5 hr |
| May 26, 6:49 PM EDT | Areal Flood Advisory | CLE | Lucas | 5 hr |
| May 26, 7:09 PM EDT | Special Weather Statement | RLX | Jackson | 36 min |
| May 26, 7:41 PM EDT | Tornado Warning | ILN | Auglaize, Darke, Mercer, Shelby | 34 min |
| May 26, 7:53 PM EDT | Areal Flood Warning | IWX | Defiance, Fulton, Henry, Williams | 6 hr |
| May 26, 8:11 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 49 min |
| May 26, 8:13 PM EDT | Special Marine Warning | CLE | 92 min | |
| May 26, 8:20 PM EDT | Special Weather Statement | ILN | Auglaize, Butler, Darke, Mercer, Preble | 55 min |
| May 26, 8:31 PM EDT | Special Weather Statement | PBZ | Belmont, Noble | 44 min |
| May 26, 8:50 PM EDT | Special Weather Statement | IWX | Allen, Putnam | 55 min |
| May 26, 9:14 PM EDT | Special Weather Statement | PBZ | Belmont, Harrison, Jefferson | 46 min |
| May 26, 11:02 PM EDT | River Flood Warning | IWX | Allen, Paulding, Putnam | 60 hr |
| May 26, 11:19 PM EDT | River Flood Warning | CLE | Lake | 23 hr |
| May 27, 3:41 AM EDT | Dense Fog Advisory | CLE | Ashland, Crawford, Marion, Medina, Morrow, Richland | 5 hr |
| May 27, 9:27 AM EDT | Areal Flood Advisory | CLE | Ashland, Holmes, Knox, Richland | 6 hr |
| May 27, 12:29 PM EDT | Areal Flood Advisory | CLE | Crawford, Marion, Morrow, Wyandot | 5 hr |
| May 27, 12:33 PM EDT | Areal Flood Advisory | CLE | Ottawa, Wood | 6 hr |
| May 27, 6:56 PM EDT | Areal Flood Warning | CLE | Trumbull | 4 hr |
| May 28, 1:44 AM EDT | River Flood Warning | ILN | Pickaway | 12 hr |
| May 28, 4:42 AM EDT | River Flood Warning | CLE | Mahoning | 2 hr |
| May 28, 6:39 PM EDT | Mesoscale Discussion | SPC | Darke, Mercer | 66 min |
| May 28, 7:43 PM EDT | Areal Flood Advisory | IWX | Van Wert | 3 hr |
| May 28, 8:43 PM EDT | Special Weather Statement | ILN | Mercer | 32 min |
| May 28, 9:13 PM EDT | Special Weather Statement | IWX | Paulding | 32 min |
| May 28, 9:14 PM EDT | Special Weather Statement | ILN | Auglaize | 31 min |
| May 28, 9:35 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin, Logan | 25 min |
| May 28, 9:55 PM EDT | Special Weather Statement | IWX | Allen, Putnam, Van Wert | 35 min |
| May 28, 10:02 PM EDT | Severe Thunderstorm Warning | IWX | Allen | 13 min |
| May 28, 10:05 PM EDT | Special Weather Statement | ILN | Hardin | 25 min |
| May 28, 10:09 PM EDT | Areal Flood Advisory | IWX | Paulding, Putnam, Van Wert | 51 min |
| May 28, 10:21 PM EDT | Severe Thunderstorm Warning | IWX | Putnam | 24 min |
| May 28, 11:12 PM EDT | Special Weather Statement | ILN | Montgomery | 33 min |
| May 28, 11:57 PM EDT | Areal Flood Advisory | CLE | Huron, Seneca | 3 hr |
| May 29, 12:39 AM EDT | Special Weather Statement | ILN | Greene | 36 min |
| May 29, 7:09 AM EDT | River Flood Warning | CLE | Holmes, Wayne | 4 days |
| May 29, 12:59 PM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Lucas, Ottawa, Paulding and 4 more | 61 min |
| May 29, 1:29 PM EDT | Tornado Watch | SPC | Allen, Defiance, Fulton, Hancock, Henry, Lucas and 8 more | 7 hr |
| May 29, 1:56 PM EDT | Flash Flood Watch | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 5 hr |
| May 29, 4:11 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Paulding, Williams | 49 min |
| May 29, 4:17 PM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Lucas, Ottawa, Paulding and 3 more | 88 min |
| May 29, 4:39 PM EDT | Tornado Warning | IWX | Fulton, Williams | 51 min |
| May 29, 4:56 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Williams | 43 min |
| May 29, 4:59 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 29, 5:21 PM EDT | Severe Thunderstorm Warning | CLE | Lucas | 54 min |
| May 29, 5:40 PM EDT | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky, Wood | 65 min |
| May 29, 5:46 PM EDT | Special Marine Warning | CLE | 119 min | |
| May 29, 6:00 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 45 min |
| May 29, 6:05 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Cuyahoga, Geauga, Lake, Lorain and 5 more | 25 min |
| May 29, 6:17 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more | 5 hr |
| May 29, 6:51 PM EDT | Mesoscale Discussion | SPC | Allen, Fulton, Hancock, Henry, Lucas, Ottawa and 4 more | 54 min |
| May 29, 7:00 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Lorain | 48 min |
| May 29, 7:10 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Lake | 65 min |
| May 29, 7:25 PM EDT | River Flood Warning | CLE | Ottawa, Sandusky, Wood | 24 hr |
| May 29, 7:28 PM EDT | Mesoscale Discussion | SPC | Ashtabula, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more | 62 min |
| May 29, 7:39 PM EDT | Special Marine Warning | CLE | 96 min | |
| May 29, 7:56 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Trumbull | 64 min |
| May 29, 8:12 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage, Trumbull | 63 min |
| May 31, 1:59 PM EDT | Mesoscale Discussion | SPC | Williams | 3 hr |
| May 31, 3:33 PM EDT | Severe Thunderstorm Watch | SPC | Defiance, Fulton, Paulding, Williams | 7 hr |
| May 31, 4:07 PM EDT | Mesoscale Discussion | SPC | Carroll, Columbiana, Coshocton, Cuyahoga, Geauga, Holmes and 8 more | 113 min |
| May 31, 7:26 PM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Paulding, Williams | 2 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 219 |
| Tornado Warning | 33 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 40 |
| Special Weather Statement | 156 |
| Flooding | |
| Areal Flood Warning | 53 |
| Flash Flood Warning | 36 |
| River Flood Warning | 59 |
| Flash Flood Watch | 6 |
| Flood Watch | 5 |
| River Flood Watch | 3 |
| Areal Flood Advisory | 54 |
| River Flood Advisory | 2 |
| Cold | |
| Frost Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
| Marine | |
| Special Marine Warning | 26 |
| Small Craft Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Putnam County51
- Defiance County49
- Warren County48
- Ross County48
- Paulding County48
- Fayette County47
- Scioto County47
- Geauga County47
- Ashland County46
- Fulton County46
- Madison County44
- Allen County44
- Adams County43
- Wayne County43
- Medina County43
- Trumbull County43
- Van Wert County43
- Pike County42
- Huron County42
- Summit County42
- Williams County42
- Highland County41
- Portage County41
- Champaign County40
- Lorain County40
- Logan County39
- Auglaize County39
- Cuyahoga County39
- Richland County39
- Pickaway County38
- Henry County38
- Clark County37
- Hamilton County37
- Shelby County37
- Brown County37
- Butler County36
- Greene County36
- Seneca County36
- Lawrence County36
- Clermont County35
48 more counties
- Erie County35
- Lake County35
- Wood County35
- Miami County34
- Mercer County34
- Darke County33
- Clinton County33
- Ashtabula County33
- Hancock County33
- Hardin County32
- Holmes County32
- Jackson County32
- Sandusky County32
- Crawford County31
- Preble County30
- Marion County30
- Vinton County30
- Stark County30
- Montgomery County29
- Union County29
- Lucas County29
- Mahoning County29
- Gallia County29
- Carroll County29
- Franklin County28
- Knox County28
- Ottawa County28
- Wyandot County28
- Jefferson County28
- Delaware County27
- Hocking County27
- Morrow County27
- Columbiana County26
- Tuscarawas County26
- Harrison County25
- Meigs County23
- Athens County22
- Belmont County22
- Perry County20
- Fairfield County19
- Licking County19
- Coshocton County19
- Morgan County17
- Washington County16
- Guernsey County16
- Noble County16
- Muskingum County15
- Monroe County13
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.