Alert archive / Ohio / Union County
Weather alerts in Union County, Ohio, 2026
177 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Union County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 177
- Warnings
- 39
- Watches
- 28
- Advisories
- 40
- Busiest month
- August40 alerts
- Busiest day
- August 10, 202617 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 8, 1:35 AM EST | Dense Fog Advisory | ILN | 7 hr |
| Jan 18, 1:10 PM EST | Cold Weather Advisory | ILN | 45 hr |
| Jan 19, 7:27 AM EST | Special Weather Statement | ILN | 33 min |
| Jan 21, 12:30 PM EST | Winter Storm Watch | ILN | 37 hr |
| Jan 23, 1:27 AM EST | Winter Storm Warning | ILN | 3 days |
| Jan 23, 1:30 AM EST | Cold Weather Advisory | ILN | 35 hr |
| Jan 24, 1:32 PM EST | Cold Weather Advisory | ILN | 52 hr |
| Jan 24, 1:32 PM EST | Extreme Cold Watch | ILN | 22 hr |
| Jan 25, 10:00 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 25, 11:18 AM EST | Extreme Cold Warning | ILN | 47 hr |
| Jan 27, 1:46 AM EST | Cold Weather Advisory | ILN | 34 hr |
| Jan 27, 12:49 PM EST | Extreme Cold Warning | ILN | 23 hr |
| Jan 28, 1:00 AM EST | Cold Weather Advisory | ILN | 33 hr |
| Jan 29, 11:36 PM EST | Cold Weather Advisory | ILN | 34 hr |
| Jan 30, 12:33 PM EST | Extreme Cold Warning | ILN | 21 hr |
| Jan 31, 1:28 AM EST | Cold Weather Advisory | ILN | 33 hr |
| Feb 5, 12:28 PM EST | Winter Weather Advisory | ILN | 25 hr |
| Feb 6, 2:00 AM EST | Cold Weather Advisory | ILN | 34 hr |
| Feb 15, 6:35 PM EST | Dense Fog Advisory | ILN | 17 hr |
| Feb 16, 9:06 PM EST | Dense Fog Advisory | ILN | 13 hr |
| Feb 20, 4:45 AM EST | Wind Advisory | ILN | 13 hr |
| Feb 23, 6:47 AM EST | Winter Weather Advisory | ILN | 3 hr |
| Mar 4, 11:07 PM EST | Dense Fog Advisory | ILN | 6 hr |
| Mar 6, 1:48 AM EST | Dense Fog Advisory | ILN | 8 hr |
| Mar 7, 8:52 AM EST | Mesoscale Discussion | SPC | 83 min |
| Mar 10, 11:59 PM EDT | Wind Advisory | ILN | 19 hr |
| Mar 11, 5:23 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 11, 6:22 AM EDT | Tornado Watch | SPC | 6 hr |
| Mar 11, 8:49 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Mar 12, 2:12 AM EDT | High Wind Watch | ILN | 10 hr |
| Mar 12, 12:35 PM EDT | High Wind Warning | ILN | 31 hr |
| Mar 14, 12:29 PM EDT | Wind Advisory | ILN | 44 hr |
| Mar 15, 1:47 PM EDT | High Wind Warning | ILN | 8 hr |
| Mar 15, 11:53 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 16, 1:48 AM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| Mar 22, 4:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 22, 5:39 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 22, 8:06 PM EDT | Severe Thunderstorm Warning | ILN | 39 min |
| Mar 22, 8:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Mar 22, 8:55 PM EDT | Severe Thunderstorm Warning | ILN | 35 min |
| Mar 22, 9:09 PM EDT | Severe Thunderstorm Warning | ILN | 36 min |
| Mar 22, 9:38 PM EDT | Severe Thunderstorm Warning | ILN | 52 min |
| Mar 22, 10:03 PM EDT | Severe Thunderstorm Warning | ILN | 27 min |
| Mar 22, 10:27 PM EDT | Severe Thunderstorm Warning | ILN | 48 min |
| Mar 26, 4:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Mar 26, 4:52 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 26, 7:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Mar 26, 8:18 PM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| Mar 26, 10:50 PM EDT | Special Weather Statement | ILN | 40 min |
| Apr 3, 4:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 1:46 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 4, 4:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 4:48 PM EDT | Special Weather Statement | ILN | 27 min |
| Apr 4, 4:55 PM EDT | Special Weather Statement | ILN | 20 min |
| Apr 4, 6:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 5, 1:22 PM EDT | Frost Advisory | ILN | 20 hr |
| Apr 5, 1:22 PM EDT | Freeze Watch | ILN | 23 hr |
| Apr 6, 12:18 PM EDT | Freeze Warning | ILN | 22 hr |
| Apr 7, 1:27 PM EDT | Freeze Warning | ILN | 21 hr |
| Apr 14, 4:58 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 14, 6:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Apr 14, 8:24 PM EDT | Severe Thunderstorm Warning | ILN | 38 min |
| Apr 18, 2:54 PM EDT | Freeze Watch | ILN | 11 hr |
| Apr 19, 1:43 AM EDT | Freeze Warning | ILN | 31 hr |
| Apr 20, 8:59 AM EDT | Frost Advisory | ILN | 24 hr |
| Apr 22, 4:43 PM EDT | Severe Thunderstorm Warning | ILN | 47 min |
| Apr 22, 6:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 29, 5:02 PM EDT | Special Weather Statement | ILN | 43 min |
| Apr 29, 5:40 PM EDT | Special Weather Statement | ILN | 50 min |
| May 1, 3:11 AM EDT | Frost Advisory | ILN | 30 hr |
| May 2, 1:13 PM EDT | Frost Advisory | ILN | 20 hr |
| May 16, 8:42 AM EDT | Special Weather Statement | ILN | 33 min |
| May 16, 9:02 AM EDT | Special Weather Statement | ILN | 43 min |
| May 18, 2:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 19, 4:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 19, 7:22 PM EDT | Special Weather Statement | ILN | 38 min |
| May 19, 7:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 19, 7:49 PM EDT | Severe Thunderstorm Warning | ILN | 41 min |
| May 19, 8:25 PM EDT | Severe Thunderstorm Warning | ILN | 65 min |
| May 19, 9:03 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 23, 2:19 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 25, 1:09 AM EDT | Dense Fog Advisory | ILN | 5 hr |
| May 26, 1:44 PM EDT | Flood Watch | ILN | 31 hr |
| Jun 6, 11:07 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 11:12 AM EDT | Special Weather Statement | ILN | 33 min |
| Jun 6, 3:43 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 6, 4:24 PM EDT | Severe Thunderstorm Warning | ILN | 51 min |
| Jun 6, 4:55 PM EDT | Severe Thunderstorm Warning | ILN | 65 min |
| Jun 11, 9:47 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 12, 12:16 AM EDT | Special Weather Statement | ILN | 59 min |
| Jun 14, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 14, 1:40 PM EDT | Mesoscale Discussion | SPC | 5 min |
| Jun 14, 3:02 PM EDT | Special Weather Statement | ILN | 43 min |
| Jun 14, 3:31 PM EDT | Severe Thunderstorm Warning | ILN | 44 min |
| Jun 16, 9:52 PM EDT | Special Weather Statement | ILN | 23 min |
| Jun 25, 3:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 5:41 PM EDT | Special Weather Statement | ILN | 19 min |
| Jun 28, 1:48 PM EDT | Heat Advisory | ILN | 35 hr |
| Jun 30, 12:43 AM EDT | Extreme Heat Warning | ILN | 4 days |
| Jul 3, 12:02 AM EDT | Heat Advisory | ILN | 44 hr |
| Jul 3, 7:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 4, 1:36 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 1:59 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 2:06 PM EDT | Special Weather Statement | ILN | 24 min |
| Jul 4, 3:39 PM EDT | Special Weather Statement | ILN | 36 min |
| Jul 4, 4:04 PM EDT | Special Weather Statement | ILN | 26 min |
| Jul 10, 4:26 PM EDT | Areal Flood Advisory | ILN | 25 min |
| Jul 14, 12:50 PM EDT | Heat Advisory | ILN | 31 hr |
| Jul 17, 8:37 PM EDT | Special Weather Statement | ILN | 38 min |
| Jul 17, 8:45 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jul 18, 12:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 18, 5:55 PM EDT | Special Weather Statement | ILN | 35 min |
| Jul 21, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 21, 1:46 PM EDT | Special Weather Statement | ILN | 44 min |
| Jul 21, 2:01 PM EDT | Severe Thunderstorm Warning | ILN | 44 min |
| Jul 21, 2:08 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jul 21, 2:39 PM EDT | Severe Thunderstorm Warning | ILN | 36 min |
| Jul 28, 2:46 AM EDT | Special Weather Statement | ILN | 44 min |
| Jul 28, 4:42 AM EDT | Areal Flood Advisory | ILN | 113 min |
| Aug 8, 5:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 7:22 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 9, 8:37 PM EDT | Special Weather Statement | ILN | 38 min |
| Aug 9, 9:15 PM EDT | Special Weather Statement | ILN | 30 min |
| Aug 9, 9:23 PM EDT | Special Weather Statement | ILN | 37 min |
| Aug 9, 9:27 PM EDT | Severe Thunderstorm Warning | ILN | 33 min |
| Aug 9, 9:50 PM EDT | Severe Thunderstorm Warning | ILN | 40 min |
| Aug 9, 9:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 10, 10:19 AM EDT | Severe Thunderstorm Warning | ILN | 26 min |
| Aug 10, 10:23 AM EDT | Special Weather Statement | ILN | 37 min |
| Aug 10, 10:49 AM EDT | Special Weather Statement | ILN | 26 min |
| Aug 10, 11:11 AM EDT | Special Weather Statement | ILN | 34 min |
| Aug 10, 12:19 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 10, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 1:04 PM EDT | Flood Watch | ILN | 4 days |
| Aug 10, 2:59 PM EDT | Special Weather Statement | ILN | 31 min |
| Aug 10, 3:25 PM EDT | Special Weather Statement | ILN | 50 min |
| Aug 10, 3:28 PM EDT | Special Weather Statement | ILN | 47 min |
| Aug 10, 7:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 9:50 PM EDT | Special Weather Statement | ILN | 25 min |
| Aug 10, 10:04 PM EDT | Severe Thunderstorm Warning | ILN | 41 min |
| Aug 10, 10:15 PM EDT | Areal Flood Advisory | ILN | 15 min |
| Aug 10, 10:30 PM EDT | Flash Flood Warning | ILN | 3 hr |
| Aug 10, 10:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 10, 11:18 PM EDT | Special Weather Statement | ILN | 27 min |
| Aug 10, 11:21 PM EDT | Severe Thunderstorm Warning | ILN | 39 min |
| Aug 11, 1:27 AM EDT | Areal Flood Warning | ILN | 4 hr |
| Aug 11, 8:34 AM EDT | Special Weather Statement | ILN | 26 min |
| Aug 11, 9:16 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 11, 9:22 AM EDT | Severe Thunderstorm Warning | ILN | 53 min |
| Aug 11, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 14, 2:57 PM EDT | Flood Watch | ILN | 41 hr |
| Aug 15, 4:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 9:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 19, 12:40 PM EDT | Flood Watch | ILN | 21 hr |
| Aug 19, 3:47 PM EDT | Areal Flood Advisory | ILN | 6 hr |
| Aug 19, 5:31 PM EDT | Special Weather Statement | ILN | 29 min |
| Aug 19, 5:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 20, 5:32 AM EDT | Flash Flood Warning | ILN | 4 hr |
| Aug 31, 2:03 PM EDT | Heat Advisory | ILN | 4 days |
| Sep 3, 8:14 PM EDT | Severe Thunderstorm Warning | ILN | 31 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, 2:52 AM EDT | Special Weather Statement | ILN | 23 min |
| Sep 5, 3:14 AM EDT | Special Weather Statement | ILN | 31 min |
| Sep 5, 3:59 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Sep 5, 4:04 AM EDT | Areal Flood Advisory | ILN | 7 hr |
| Sep 5, 4:24 AM EDT | Special Weather Statement | ILN | 36 min |
| Sep 5, 4:52 AM EDT | Flash Flood Warning | ILN | 107 min |
| Sep 5, 9:12 AM EDT | Areal Flood Warning | ILN | 3 hr |
| Sep 9, 7:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 13, 3:13 AM EDT | Dense Fog Advisory | ILN | 6 hr |
| Sep 16, 2:55 PM EDT | Flood Watch | ILN | 23 hr |
| Sep 16, 3:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 16, 6:23 PM EDT | Special Weather Statement | ILN | 37 min |
| Sep 20, 1:07 PM EDT | Flood Watch | ILN | 23 hr |
| Sep 20, 11:35 PM EDT | Areal Flood Advisory | ILN | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.