Alert archive / Ohio / Delaware County
Weather alerts in Delaware County, Ohio, 2026
181 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Delaware County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 181
- Warnings
- 45
- Watches
- 29
- Advisories
- 43
- Busiest month
- August39 alerts
- Busiest day
- August 10, 202611 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 9, 7:39 AM EST | Special Weather Statement | ILN | 36 min |
| 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 19, 8:10 AM EST | Special Weather Statement | ILN | 50 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, 9:34 PM EST | Areal Flood Advisory | ILN | 21 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 10, 11:59 PM EDT | Wind Advisory | ILN | 19 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, 11:53 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 22, 4:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 22, 5:02 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| Mar 22, 5:09 PM EDT | Severe Thunderstorm Warning | ILN | 51 min |
| Mar 22, 5:39 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 22, 7:50 PM EDT | Special Weather Statement | ILN | 25 min |
| 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, 9:38 PM EDT | Severe Thunderstorm Warning | ILN | 52 min |
| Mar 22, 10:03 PM EDT | Severe Thunderstorm Warning | ILN | 27 min |
| Mar 22, 10:24 PM EDT | Severe Thunderstorm Warning | ILN | 51 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, 10:50 PM EDT | Special Weather Statement | ILN | 40 min |
| Mar 27, 5:21 AM EDT | River Flood Advisory | ILN | 6 hr |
| 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, 5:12 PM EDT | Special Weather Statement | ILN | 18 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, 6:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Apr 14, 8:24 PM EDT | Severe Thunderstorm Warning | ILN | 38 min |
| Apr 14, 8:47 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| Apr 18, 2:54 PM EDT | Freeze Watch | ILN | 11 hr |
| Apr 19, 1:43 AM EDT | Freeze Warning | ILN | 31 hr |
| Apr 19, 12:41 PM EDT | Freeze Watch | ILN | 13 hr |
| Apr 20, 1:49 AM EDT | Freeze Warning | ILN | 31 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 22, 6:57 PM EDT | Special Weather Statement | ILN | 33 min |
| Apr 22, 7:30 PM EDT | Special Weather Statement | ILN | 30 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 5, 5:11 PM EDT | Special Weather Statement | ILN | 49 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, 8:00 PM EDT | Severe Thunderstorm Watch | SPC | 38 days |
| 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 20, 7:50 AM EDT | Mesoscale Discussion | SPC | 115 min |
| May 23, 4:02 AM EDT | River Flood Advisory | ILN | 6 hr |
| May 25, 1:09 AM EDT | Dense Fog Advisory | ILN | 5 hr |
| May 25, 11:22 AM EDT | River Flood Warning | CLE | 24 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, 11:42 AM EDT | Special Weather Statement | ILN | 33 min |
| Jun 6, 11:48 AM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| Jun 6, 3:43 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 6, 4:55 PM EDT | Severe Thunderstorm Warning | ILN | 65 min |
| Jun 6, 11:32 PM EDT | Areal Flood Advisory | ILN | 4 hr |
| Jun 11, 9:47 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 12, 12:55 AM EDT | Special Weather Statement | ILN | 50 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 14, 3:40 PM EDT | Special Weather Statement | ILN | 35 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 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, 2:27 PM EDT | Special Weather Statement | ILN | 33 min |
| Jul 4, 4:04 PM EDT | Special Weather Statement | ILN | 26 min |
| Jul 4, 4:26 PM EDT | Special Weather Statement | ILN | 34 min |
| Jul 10, 4:18 PM EDT | Special Weather Statement | ILN | 27 min |
| Jul 10, 4:26 PM EDT | Areal Flood Advisory | ILN | 25 min |
| Jul 10, 4:51 PM EDT | Flash Flood Warning | ILN | 3 hr |
| Jul 10, 5:11 PM EDT | Special Weather Statement | ILN | 34 min |
| Jul 10, 5:20 PM EDT | Severe Thunderstorm Warning | ILN | 40 min |
| Jul 10, 7:23 PM EDT | Areal Flood Advisory | ILN | 97 min |
| Jul 14, 12:50 PM EDT | Heat Advisory | ILN | 31 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 18, 6:09 PM EDT | Severe Thunderstorm Warning | ILN | 51 min |
| Jul 21, 9:35 AM EDT | Special Weather Statement | ILN | 25 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 |
| Aug 8, 5:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 7:10 PM EDT | Special Weather Statement | ILN | 50 min |
| Aug 8, 7:48 PM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| Aug 8, 8:25 PM EDT | Severe Thunderstorm Warning | ILN | 50 min |
| Aug 9, 7:22 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 9, 9:23 PM EDT | Special Weather Statement | ILN | 37 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, 10:23 AM EDT | Special Weather Statement | ILN | 37 min |
| Aug 10, 10:43 AM EDT | Severe Thunderstorm Warning | ILN | 32 min |
| Aug 10, 12:19 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 10, 12:30 PM EDT | Flash Flood Warning | ILN | 2 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, 3:28 PM EDT | Special Weather Statement | ILN | 47 min |
| Aug 10, 7:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 10:04 PM EDT | Severe Thunderstorm Warning | ILN | 41 min |
| Aug 10, 10:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 10, 11:11 PM EDT | Severe Thunderstorm Warning | ILN | 49 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, 9:16 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 11, 9:47 AM EDT | Severe Thunderstorm Warning | ILN | 43 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 17, 2:27 PM EDT | Special Weather Statement | ILN | 48 min |
| Aug 17, 2:56 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 19, 12:40 PM EDT | Flood Watch | ILN | 21 hr |
| Aug 19, 5:05 PM EDT | Areal Flood Advisory | ILN | 4 hr |
| Aug 19, 5:52 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 19, 5:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 19, 6:18 PM EDT | Flash Flood Warning | ILN | 66 min |
| Aug 19, 10:38 PM EDT | River Flood Advisory | ILN | 11 hr |
| Aug 20, 2:29 AM EDT | Areal Flood Advisory | ILN | 113 min |
| Aug 20, 4:22 AM EDT | Areal Flood Warning | ILN | 14 hr |
| Aug 20, 7:29 AM EDT | Areal Flood Warning | ILN | 11 hr |
| Aug 31, 2:03 PM EDT | Heat Advisory | ILN | 4 days |
| Sep 3, 3:03 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 4, 1:17 PM EDT | Special Weather Statement | ILN | 43 min |
| Sep 4, 1:34 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, 3:59 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Sep 5, 4:55 AM EDT | Special Weather Statement | ILN | 35 min |
| Sep 9, 7:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 9, 8:14 PM EDT | Severe Thunderstorm Warning | ILN | 31 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 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.