Alert archive / Ohio / Knox County / 2026
Weather alerts in Knox County, Ohio, September 2026
18 weather alerts in September 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 18
- Warnings
- 4
- Watches
- 3
- Advisories
- 3
- Busiest day
- September 17, 20266 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 | Lasted |
|---|---|---|---|
| Sep 3, 12:58 AM EDT | Heat Advisory | CLE | 18 hr |
| Sep 3, 3:03 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 3, 6:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Sep 4, 1:33 PM EDT | Special Weather Statement | CLE | 42 min |
| Sep 5, 1:41 AM EDT | Mesoscale Discussion | SPC | 94 min |
| Sep 5, 2:33 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 5, 3:59 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Sep 9, 2:51 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 9, 4:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Sep 13, 6:04 PM EDT | Special Weather Statement | CLE | 26 min |
| Sep 16, 3:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 16, 7:38 PM EDT | Severe Thunderstorm Warning | CLE | 52 min |
| Sep 16, 8:11 PM EDT | Special Weather Statement | CLE | 49 min |
| Sep 16, 8:14 PM EDT | Severe Thunderstorm Warning | CLE | 46 min |
| Sep 16, 8:38 PM EDT | Severe Thunderstorm Warning | CLE | 52 min |
| Sep 16, 8:50 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Sep 16, 9:25 PM EDT | Flash Flood Warning | CLE | 3 hr |
| Sep 17, 12:36 AM EDT | Areal Flood Advisory | CLE | 4 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 | 3 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 2 |
| Heat | |
| Heat Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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. Warning verification from the Mesonet's Cow. Rebuilt daily.