Alert archive / Ohio / 2020
Weather alerts in Ohio, September 2020
143 weather alerts in September 2020, 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 September 2020. Tap one for its archive.
- Alerts
- 143
- Warnings
- 44
- Watches
- 3
- Advisories
- 40
- Busiest day
- September 7, 202066 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 |
|---|---|---|---|---|
| Sep 1, 5:05 AM EDT | Dense Fog Advisory | ILN | Adams, Brown, Butler, Champaign, Clark, Clermont and 23 more | 5 hr |
| Sep 2, 1:51 PM EDT | Small Craft Advisory | CLE | 6 hr | |
| Sep 2, 3:13 PM EDT | Flash Flood Watch | ILN | Adams, Brown, Clermont, Hamilton, Pike, Scioto | 21 hr |
| Sep 3, 2:34 AM EDT | Flash Flood Watch | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Vinton and 1 more | 15 hr |
| Sep 3, 4:18 AM EDT | Small Craft Advisory | CLE | 61 hr | |
| Sep 3, 4:23 AM EDT | Beach Hazards Statement | CLE | Ashtabula, Cuyahoga, Erie, Lake, Lorain, Lucas and 2 more | 61 hr |
| Sep 3, 6:06 AM EDT | Areal Flood Advisory | ILN | Clermont | 3 hr |
| Sep 3, 6:19 AM EDT | Flash Flood Warning | ILN | Clermont | 3 hr |
| Sep 3, 7:42 AM EDT | Areal Flood Advisory | ILN | Adams, Brown, Highland, Pike | 3 hr |
| Sep 3, 8:18 AM EDT | Flash Flood Warning | ILN | Adams, Brown, Highland | 3 hr |
| Sep 3, 9:03 AM EDT | Special Weather Statement | RLX | Washington | 27 min |
| Sep 3, 9:34 AM EDT | Special Weather Statement | RLX | Athens, Morgan, Vinton | 116 min |
| Sep 3, 10:15 AM EDT | Flash Flood Warning | RLX | Athens, Jackson, Vinton | 3 hr |
| Sep 3, 10:59 AM EDT | Special Weather Statement | RLX | Washington | 46 min |
| Sep 3, 6:41 PM EDT | River Flood Warning | ILN | Adams | 5 hr |
| Sep 5, 10:12 AM EDT | Special Marine Warning | CLE | 93 min | |
| Sep 6, 3:28 PM EDT | Small Craft Advisory | CLE | 29 hr | |
| Sep 6, 3:30 PM EDT | Beach Hazards Statement | CLE | Ashtabula, Lake | 29 hr |
| Sep 7, 2:47 AM EDT | Special Weather Statement | IWX | Defiance, Fulton, Williams | 43 min |
| Sep 7, 5:00 AM EDT | Special Marine Warning | CLE | 90 min | |
| Sep 7, 6:39 AM EDT | Special Weather Statement | CLE | Erie | 51 min |
| Sep 7, 6:57 AM EDT | Special Weather Statement | CLE | Cuyahoga, Lorain | 33 min |
| Sep 7, 7:52 AM EDT | Special Weather Statement | CLE | Cuyahoga, Erie, Geauga, Lake, Lorain | 83 min |
| Sep 7, 7:58 AM EDT | Areal Flood Advisory | CLE | Cuyahoga, Erie, Geauga, Huron, Lake, Lorain and 5 more | 4 hr |
| Sep 7, 8:26 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Erie, Geauga, Huron, Lake, Lorain and 5 more | 6 hr |
| Sep 7, 9:06 AM EDT | Special Weather Statement | CLE | Medina, Portage, Summit | 54 min |
| Sep 7, 10:26 AM EDT | Areal Flood Advisory | CLE | Ashtabula, Geauga, Portage, Trumbull | 4 hr |
| Sep 7, 11:26 AM EDT | Areal Flood Advisory | CLE | Lorain, Medina, Portage, Summit, Trumbull | 5 hr |
| Sep 7, 11:33 AM EDT | River Flood Warning | CLE | Cuyahoga | 17 hr |
| Sep 7, 11:51 AM EDT | Special Weather Statement | IWX | Allen | 39 min |
| Sep 7, 12:17 PM EDT | Special Weather Statement | ILN | Hardin | 28 min |
| Sep 7, 12:39 PM EDT | Areal Flood Advisory | CLE | Mahoning, Portage, Stark, Summit | 3 hr |
| Sep 7, 12:42 PM EDT | Areal Flood Advisory | CLE | Erie, Huron, Sandusky, Seneca | 3 hr |
| Sep 7, 12:45 PM EDT | Special Weather Statement | ILN | Hardin | 30 min |
| 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, 2:05 PM EDT | Special Weather Statement | CLE | Knox | 25 min |
| Sep 7, 2:40 PM EDT | Special Weather Statement | CLE | Holmes | 35 min |
| Sep 7, 2:50 PM EDT | Special Weather Statement | ILN | Mercer | 25 min |
| Sep 7, 3:12 PM EDT | Special Weather Statement | CLE | Crawford | 33 min |
| Sep 7, 3:45 PM EDT | Special Weather Statement | CLE | Ashland, Richland | 30 min |
| Sep 7, 4:12 PM EDT | Special Weather Statement | ILN | Hardin, Logan, Shelby, Union | 33 min |
| Sep 7, 4:13 PM EDT | Areal Flood Advisory | CLE | Mahoning | 3 hr |
| Sep 7, 4:14 PM EDT | Special Weather Statement | CLE | Marion | 31 min |
| Sep 7, 4:20 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Logan, Union | 40 min |
| Sep 7, 4:22 PM EDT | Special Weather Statement | CLE | Holmes, Wayne | 38 min |
| Sep 7, 4:29 PM EDT | Tornado Warning | CLE | Ashland, Knox, Richland | 31 min |
| Sep 7, 4:32 PM EDT | Special Weather Statement | ILN | Darke | 28 min |
| Sep 7, 4:54 PM EDT | Areal Flood Advisory | CLE | Ashland, Richland | 3 hr |
| Sep 7, 4:54 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking, Union | 51 min |
| Sep 7, 4:56 PM EDT | Special Weather Statement | ILN | Darke | 34 min |
| Sep 7, 4:57 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Knox | 48 min |
| Sep 7, 4:59 PM EDT | Mesoscale Discussion | SPC | Champaign, Clark, Coshocton, Darke, Delaware, Franklin and 9 more | 2 hr |
| Sep 7, 5:02 PM EDT | Tornado Warning | ILN | Delaware, Franklin, Licking, Union | 28 min |
| Sep 7, 5:03 PM EDT | Special Weather Statement | PBZ | Tuscarawas | 42 min |
| Sep 7, 5:16 PM EDT | Severe Thunderstorm Warning | CLE | Knox, Morrow | 59 min |
| Sep 7, 5:20 PM EDT | River Flood Warning | CLE | Lake | 8 hr |
| Sep 7, 5:24 PM EDT | Tornado Warning | ILN | Delaware, Franklin, Licking | 36 min |
| Sep 7, 5:25 PM EDT | Areal Flood Advisory | ILN | Delaware, Logan, Union | 3 hr |
| Sep 7, 5:27 PM EDT | Special Weather Statement | ILN | Darke, Miami | 33 min |
| Sep 7, 5:30 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami | 45 min |
| Sep 7, 5:31 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 29 min |
| Sep 7, 5:36 PM EDT | Special Weather Statement | ILN | Preble | 24 min |
| Sep 7, 5:37 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Licking | 38 min |
| Sep 7, 5:41 PM EDT | Areal Flood Advisory | CLE | Medina, Summit | 2 hr |
| Sep 7, 5:44 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 31 min |
| Sep 7, 5:48 PM EDT | Tornado Warning | CLE | Knox | 30 min |
| Sep 7, 5:57 PM EDT | Special Weather Statement | ILN | Union | 33 min |
| Sep 7, 6:02 PM EDT | Special Weather Statement | PBZ | Tuscarawas | 43 min |
| Sep 7, 6:05 PM EDT | Special Weather Statement | ILN | Champaign, Clark, Miami | 25 min |
| Sep 7, 6:06 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Muskingum | 39 min |
| Sep 7, 6:24 PM EDT | Special Weather Statement | ILN | Delaware | 36 min |
| Sep 7, 6:28 PM EDT | Special Weather Statement | ILN | Montgomery | 32 min |
| Sep 7, 6:28 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Madison | 32 min |
| Sep 7, 6:35 PM EDT | Areal Flood Advisory | PBZ | Coshocton | 68 min |
| Sep 7, 6:39 PM EDT | Areal Flood Advisory | ILN | Delaware, Licking | 3 hr |
| Sep 7, 6:46 PM EDT | Special Weather Statement | PBZ | Guernsey, Tuscarawas | 29 min |
| Sep 7, 6:57 PM EDT | Special Weather Statement | ILN | Madison | 33 min |
| Sep 7, 7:05 PM EDT | Areal Flood Advisory | ILN | Delaware, Franklin, Licking, Madison, Union | 3 hr |
| Sep 7, 7:15 PM EDT | Special Weather Statement | PBZ | Guernsey | 30 min |
| Sep 7, 7:41 PM EDT | Special Weather Statement | ILN | Montgomery | 34 min |
| Sep 7, 7:45 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 45 min |
| Sep 7, 7:46 PM EDT | Severe Thunderstorm Warning | ILN | Greene, Montgomery | 19 min |
| Sep 7, 8:03 PM EDT | Special Weather Statement | ILN | Darke | 27 min |
| Sep 7, 8:21 PM EDT | Areal Flood Advisory | ILN | Darke, Preble | 118 min |
| Sep 7, 8:25 PM EDT | Special Weather Statement | ILN | Preble | 35 min |
| Sep 7, 9:15 PM EDT | Special Weather Statement | ILN | Montgomery | 30 min |
| Sep 7, 9:40 PM EDT | Areal Flood Advisory | ILN | Auglaize, Hardin, Logan, Mercer, Shelby, Union | 3 hr |
| Sep 7, 9:42 PM EDT | Areal Flood Advisory | IWX | Allen, Van Wert | 119 min |
| Sep 7, 9:48 PM EDT | Areal Flood Advisory | CLE | Marion, Morrow | 6 hr |
| Sep 7, 10:01 PM EDT | Special Weather Statement | ILN | Auglaize, Mercer | 29 min |
| Sep 7, 10:07 PM EDT | Flash Flood Watch | ILN | Auglaize, Champaign, Clark, Darke, Delaware, Franklin and 8 more | 7 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, 10:51 PM EDT | Areal Flood Advisory | IWX | Van Wert | 44 min |
| Sep 7, 10:58 PM EDT | Flash Flood Warning | ILN | Auglaize, Darke, Logan, Mercer, Shelby, Union | 6 hr |
| Sep 7, 11:23 PM EDT | Special Weather Statement | ILN | Darke, Shelby | 37 min |
| Sep 7, 11:29 PM EDT | Flash Flood Warning | ILN | Delaware | 3 hr |
| Sep 7, 11:31 PM EDT | Severe Thunderstorm Warning | ILN | Miami, Shelby | 18 min |
| Sep 7, 11:35 PM EDT | Areal Flood Warning | IWX | Van Wert | 3 hr |
| Sep 7, 11:41 PM EDT | Areal Flood Warning | IWX | Allen, Van Wert | 5 hr |
| Sep 8, 12:41 AM EDT | Areal Flood Advisory | ILN | Champaign, Darke, Miami, Shelby | 3 hr |
| Sep 8, 1:45 AM EDT | Areal Flood Warning | ILN | Auglaize, Hardin, Logan, Mercer, Shelby | 8 hr |
| Sep 8, 2:07 AM EDT | Areal Flood Warning | ILN | Delaware | 7 hr |
| Sep 8, 2:30 AM EDT | River Flood Warning | CLE | Lorain | 10 hr |
| Sep 8, 3:16 AM EDT | Special Weather Statement | CLE | Ashland, Erie, Huron, Lorain | 89 min |
| Sep 8, 3:27 AM EDT | River Flood Warning | CLE | Trumbull | 24 hr |
| Sep 8, 4:19 AM EDT | Areal Flood Warning | CLE | Marion, Morrow | 6 hr |
| Sep 8, 5:03 AM EDT | Areal Flood Warning | ILN | Auglaize, Darke, Logan, Mercer, Shelby, Union | 4 hr |
| Sep 8, 3:48 PM EDT | Beach Hazards Statement | CLE | Ashtabula, Lake | 6 hr |
| Sep 8, 3:52 PM EDT | Small Craft Advisory | CLE | 6 hr | |
| Sep 8, 5:23 PM EDT | Special Weather Statement | IWX | Fulton | 37 min |
| Sep 8, 5:45 PM EDT | Special Weather Statement | CLE | Lucas | 30 min |
| Sep 10, 2:40 AM EDT | Dense Fog Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 5 hr |
| Sep 10, 3:15 AM EDT | Dense Fog Advisory | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 17 more | 7 hr |
| Sep 10, 3:19 AM EDT | Dense Fog Advisory | ILN | Auglaize, Hardin, Mercer | 6 hr |
| Sep 10, 9:25 PM EDT | Small Craft Advisory | CLE | 29 hr | |
| Sep 10, 9:27 PM EDT | Beach Hazards Statement | CLE | Ashtabula, Cuyahoga, Erie, Lake, Lorain, Ottawa | 29 hr |
| Sep 12, 3:36 PM EDT | Small Craft Advisory | CLE | 46 hr | |
| Sep 13, 1:23 AM EDT | Areal Flood Advisory | ILN | Montgomery | 3 hr |
| Sep 13, 10:16 AM EDT | Beach Hazards Statement | CLE | Ashtabula, Cuyahoga, Erie, Lake, Lorain | 27 hr |
| Sep 16, 3:59 PM EDT | Beach Hazards Statement | CLE | Ashtabula, Cuyahoga, Erie, Lake, Lorain, Lucas and 1 more | 60 hr |
| Sep 16, 3:59 PM EDT | Small Craft Advisory | CLE | 60 hr | |
| Sep 17, 3:26 AM EDT | Dense Fog Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 7 hr |
| Sep 17, 3:53 AM EDT | Dense Fog Advisory | ILN | Adams, Fairfield, Hocking, Pickaway, Pike, Ross and 1 more | 6 hr |
| Sep 18, 3:06 AM EDT | Frost Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 30 hr |
| Sep 18, 2:53 PM EDT | Frost Advisory | CLE | Ashtabula, Mahoning, Trumbull | 18 hr |
| Sep 19, 3:04 PM EDT | Frost Advisory | CLE | Ashtabula, Mahoning, Trumbull | 18 hr |
| Sep 28, 9:31 AM EDT | Small Craft Advisory | CLE | 25 hr | |
| Sep 28, 9:32 AM EDT | Beach Hazards Statement | CLE | Ashtabula, Cuyahoga, Lake | 25 hr |
| Sep 28, 5:44 PM EDT | Special Weather Statement | RLX | Athens, Jackson, Meigs, Morgan, Perry, Vinton | 61 min |
| Sep 28, 5:57 PM EDT | Special Weather Statement | CLE | Cuyahoga | 48 min |
| Sep 28, 6:37 PM EDT | Special Weather Statement | RLX | Gallia, Lawrence | 53 min |
| Sep 29, 7:04 PM EDT | Special Marine Warning | CLE | 41 min | |
| Sep 29, 9:06 PM EDT | Small Craft Advisory | CLE | 25 hr | |
| Sep 30, 4:18 AM EDT | Special Marine Warning | CLE | 87 min | |
| Sep 30, 5:10 AM EDT | Beach Hazards Statement | CLE | Ashtabula, Cuyahoga, Lake, Lorain | 41 hr |
| Sep 30, 1:13 PM EDT | Gale Warning | CLE | 9 hr | |
| Sep 30, 1:13 PM EDT | Small Craft Advisory | CLE | 35 hr | |
| Sep 30, 3:49 PM EDT | Special Weather Statement | IWX | Williams | 56 min |
| Sep 30, 4:43 PM EDT | Special Weather Statement | IWX | Defiance | 62 min |
| Sep 30, 5:43 PM EDT | Special Weather Statement | IWX | Paulding | 62 min |
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 | 13 |
| Tornado Warning | 4 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 47 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 11 |
| River Flood Warning | 5 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 21 |
| Cold | |
| Frost Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
| Coast and beach | |
| Beach Hazards Statement | 8 |
| Marine | |
| Gale Warning | 1 |
| Special Marine Warning | 4 |
| Small Craft Advisory | 10 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lorain County15
- Darke County14
- Delaware County14
- Cuyahoga County14
- Union County13
- Lake County13
- Ashtabula County12
- Shelby County11
- Erie County11
- Logan County10
- Licking County9
- Summit County9
- Mercer County9
- Miami County8
- Medina County8
- Portage County8
- Hardin County8
- Auglaize County8
- Franklin County7
- Adams County6
- Madison County6
- Montgomery County6
- Preble County6
- Geauga County6
- Trumbull County6
- Knox County6
- Holmes County6
- Ashland County6
- Van Wert County6
- Champaign County5
- Clark County5
- Athens County5
- Vinton County5
- Sandusky County5
- Huron County5
- Allen County5
- Mahoning County5
- Marion County5
- Brown County4
- Clermont County4
41 more counties
- Pike County4
- Jackson County4
- Washington County4
- Defiance County4
- Fulton County4
- Williams County4
- Seneca County4
- Richland County4
- Coshocton County4
- Morrow County4
- Tuscarawas County4
- Highland County3
- Scioto County3
- Gallia County3
- Lawrence County3
- Meigs County3
- Lucas County3
- Ottawa County3
- Morgan County3
- Paulding County3
- Fairfield County2
- Greene County2
- Hamilton County2
- Hocking County2
- Pickaway County2
- Ross County2
- Stark County2
- Crawford County2
- Wayne County2
- Guernsey County2
- Henry County2
- Putnam County2
- Perry County2
- Butler County1
- Clinton County1
- Fayette County1
- Warren County1
- Muskingum County1
- Hancock County1
- Wood County1
- Wyandot 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.