Alert archive / Ohio / Knox County
Weather alerts in Knox County, Ohio, 2021
71 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Knox County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 71
- Warnings
- 12
- Watches
- 12
- Advisories
- 18
- Busiest month
- August20 alerts
- Busiest day
- August 11, 20216 alerts
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 | Lasted |
|---|---|---|---|
| Jan 1, 9:00 PM EST | Special Weather Statement | CLE | 45 min |
| Jan 25, 3:52 AM EST | Winter Weather Advisory | CLE | 33 hr |
| Jan 30, 3:24 AM EST | Winter Weather Advisory | CLE | 43 hr |
| Feb 13, 4:24 PM EST | Winter Storm Watch | CLE | 12 hr |
| Feb 14, 4:07 AM EST | Winter Storm Warning | CLE | 54 hr |
| Mar 17, 7:26 AM EDT | Dense Fog Advisory | CLE | 4 hr |
| Mar 17, 3:24 PM EDT | Wind Advisory | CLE | 32 hr |
| Mar 24, 3:30 AM EDT | High Wind Watch | CLE | 34 hr |
| Mar 25, 4:08 AM EDT | High Wind Warning | CLE | 32 hr |
| Apr 10, 6:14 PM EDT | Special Weather Statement | CLE | 61 min |
| Apr 20, 3:53 PM EDT | Freeze Watch | CLE | 18 hr |
| Apr 21, 10:03 AM EDT | Freeze Warning | CLE | 24 hr |
| Apr 22, 3:35 AM EDT | Freeze Watch | CLE | 12 hr |
| Apr 22, 3:24 PM EDT | Freeze Warning | CLE | 18 hr |
| Apr 25, 5:34 PM EDT | Frost Advisory | CLE | 15 hr |
| Apr 29, 2:46 PM EDT | Freeze Watch | CLE | 24 hr |
| Apr 30, 2:55 PM EDT | Frost Advisory | CLE | 17 hr |
| May 9, 3:10 PM EDT | Frost Advisory | CLE | 15 hr |
| May 9, 6:43 PM EDT | Areal Flood Warning | CLE | 30 hr |
| May 11, 12:18 PM EDT | Frost Advisory | CLE | 20 hr |
| May 12, 2:15 PM EDT | Frost Advisory | CLE | 17 hr |
| Jun 4, 3:55 AM EDT | Dense Fog Advisory | CLE | 5 hr |
| Jun 13, 12:50 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 3:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 14, 10:02 PM EDT | Special Weather Statement | CLE | 58 min |
| Jun 18, 4:02 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 21, 11:59 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 21, 12:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 29, 2:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 29, 4:49 PM EDT | Special Weather Statement | CLE | 41 min |
| Jun 29, 5:09 PM EDT | Special Weather Statement | CLE | 51 min |
| Jun 29, 5:24 PM EDT | Severe Thunderstorm Warning | CLE | 51 min |
| Jul 7, 12:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 7, 1:06 PM EDT | Special Weather Statement | CLE | 39 min |
| Jul 7, 1:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 3:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 7, 9:28 PM EDT | Special Weather Statement | CLE | 47 min |
| Jul 11, 12:14 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 15, 5:25 PM EDT | Special Weather Statement | CLE | 35 min |
| Jul 16, 3:07 AM EDT | Flash Flood Watch | CLE | 36 hr |
| Jul 16, 4:20 PM EDT | Special Weather Statement | CLE | 25 min |
| Jul 16, 4:29 PM EDT | Severe Thunderstorm Warning | CLE | 46 min |
| Jul 17, 12:37 AM EDT | Special Weather Statement | CLE | 38 min |
| Jul 17, 3:16 AM EDT | Areal Flood Advisory | CLE | 6 hr |
| Aug 1, 12:37 PM EDT | Special Weather Statement | CLE | 23 min |
| Aug 9, 4:29 PM EDT | Special Weather Statement | CLE | 31 min |
| Aug 10, 8:44 AM EDT | Special Weather Statement | CLE | 46 min |
| Aug 10, 9:08 AM EDT | Severe Thunderstorm Warning | CLE | 52 min |
| Aug 11, 9:31 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 11, 2:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Aug 11, 2:32 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 11, 4:30 PM EDT | Severe Thunderstorm Warning | CLE | 60 min |
| Aug 11, 5:15 PM EDT | Severe Thunderstorm Warning | CLE | 60 min |
| Aug 11, 5:29 PM EDT | Severe Thunderstorm Warning | CLE | 30 min |
| Aug 12, 4:14 AM EDT | Heat Advisory | CLE | 15 hr |
| Aug 12, 11:51 PM EDT | Severe Thunderstorm Warning | CLE | 33 min |
| Aug 13, 3:54 PM EDT | Special Weather Statement | CLE | 51 min |
| Aug 13, 4:46 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 13, 5:55 PM EDT | Special Weather Statement | CLE | 35 min |
| Aug 13, 6:49 PM EDT | Special Weather Statement | CLE | 26 min |
| Aug 25, 12:46 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 12:03 PM EDT | Special Weather Statement | CLE | 42 min |
| Aug 29, 1:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 31, 3:13 PM EDT | Areal Flood Advisory | CLE | 2 hr |
| Oct 5, 5:00 AM EDT | Dense Fog Advisory | CLE | 5 hr |
| Oct 21, 2:39 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 21, 3:59 PM EDT | Special Weather Statement | CLE | 46 min |
| Oct 24, 8:12 PM EDT | Areal Flood Advisory | CLE | 4 hr |
| Oct 25, 6:01 PM EDT | Special Weather Statement | CLE | 59 min |
| Dec 10, 12:48 PM EST | Wind Advisory | CLE | 30 hr |
| Dec 11, 8:38 AM EST | Wind Advisory | CLE | 10 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 | 7 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 19 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 3 |
| Frost Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe 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.