Alert archive / Ohio / Delaware County
Weather alerts in Delaware County, Ohio, 2020
142 weather alerts in 2020, 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 2020. Tap one for its archive.
- Alerts
- 142
- Warnings
- 43
- Watches
- 16
- Advisories
- 37
- Busiest month
- May33 alerts
- Busiest day
- September 7, 202010 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 10, 3:08 PM EST | Wind Advisory | ILN | 30 hr |
| Jan 11, 3:57 PM EST | High Wind Warning | ILN | 12 hr |
| Jan 15, 12:17 AM EST | Dense Fog Advisory | ILN | 13 hr |
| Jan 17, 3:10 AM EST | Winter Weather Advisory | ILN | 31 hr |
| Feb 5, 3:04 AM EST | Winter Weather Advisory | ILN | 31 hr |
| Feb 6, 1:52 PM EST | Winter Weather Advisory | ILN | 20 hr |
| Feb 11, 3:16 PM EST | Winter Weather Advisory | ILN | 43 hr |
| Mar 19, 4:12 AM EDT | Flash Flood Watch | ILN | 30 hr |
| Mar 20, 9:28 AM EDT | Areal Flood Advisory | ILN | 5 hr |
| Mar 20, 12:11 PM EDT | Special Weather Statement | ILN | 64 min |
| Mar 20, 1:01 PM EDT | Special Weather Statement | ILN | 44 min |
| Mar 27, 2:44 PM EDT | Flash Flood Watch | ILN | 19 hr |
| Mar 28, 3:19 AM EDT | Special Weather Statement | ILN | 26 min |
| Mar 28, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 28, 3:29 PM EDT | Wind Advisory | ILN | 29 hr |
| Mar 28, 4:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Mar 28, 7:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Mar 28, 7:49 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Mar 28, 8:21 PM EDT | Special Weather Statement | ILN | 39 min |
| Mar 28, 8:37 PM EDT | Areal Flood Advisory | ILN | 98 min |
| Mar 28, 9:00 PM EDT | Flash Flood Warning | ILN | 76 min |
| Mar 28, 10:02 PM EDT | Flash Flood Watch | ILN | 6 hr |
| Mar 28, 10:13 PM EDT | Areal Flood Warning | ILN | 23 hr |
| Apr 7, 10:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 7, 11:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 8, 1:44 AM EDT | Severe Thunderstorm Warning | ILN | 27 min |
| Apr 8, 2:06 AM EDT | Special Weather Statement | ILN | 24 min |
| Apr 9, 3:49 PM EDT | Freeze Watch | ILN | 12 hr |
| Apr 10, 3:31 AM EDT | Freeze Warning | ILN | 29 hr |
| Apr 11, 3:32 PM EDT | High Wind Watch | ILN | 24 hr |
| Apr 12, 3:17 PM EDT | Wind Advisory | ILN | 27 hr |
| Apr 13, 3:44 PM EDT | Freeze Warning | ILN | 17 hr |
| Apr 14, 3:05 AM EDT | Freeze Warning | ILN | 30 hr |
| Apr 15, 3:56 AM EDT | Freeze Warning | ILN | 29 hr |
| Apr 17, 3:46 AM EDT | Freeze Warning | ILN | 29 hr |
| Apr 21, 3:46 AM EDT | Freeze Warning | ILN | 30 hr |
| May 6, 3:17 PM EDT | Frost Advisory | ILN | 18 hr |
| May 7, 3:39 AM EDT | Freeze Warning | ILN | 53 hr |
| May 10, 12:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 4:11 PM EDT | Special Weather Statement | ILN | 34 min |
| May 10, 4:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 10, 4:34 PM EDT | Severe Thunderstorm Warning | ILN | 40 min |
| May 10, 6:36 PM EDT | Mesoscale Discussion | SPC | 24 min |
| May 11, 3:14 AM EDT | Freeze Warning | ILN | 29 hr |
| May 12, 3:48 PM EDT | Frost Advisory | ILN | 17 hr |
| May 14, 4:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 5:26 PM EDT | Severe Thunderstorm Warning | ILN | 49 min |
| May 14, 6:12 PM EDT | Severe Thunderstorm Warning | ILN | 48 min |
| May 16, 12:53 AM EDT | Dense Fog Advisory | ILN | 8 hr |
| May 17, 3:20 PM EDT | Flash Flood Watch | ILN | 4 days |
| May 18, 1:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 18, 2:18 PM EDT | Tornado Watch | SPC | 7 hr |
| May 18, 5:19 PM EDT | Special Weather Statement | ILN | 26 min |
| May 18, 7:42 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| May 19, 12:18 AM EDT | Areal Flood Advisory | ILN | 5 hr |
| May 19, 12:52 AM EDT | Flash Flood Warning | ILN | 10 hr |
| May 19, 1:23 AM EDT | River Flood Advisory | ILN | 36 hr |
| May 19, 2:26 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 19, 2:33 AM EDT | River Flood Warning | ILN | 13 hr |
| May 19, 5:30 AM EDT | Areal Flood Advisory | ILN | 2 hr |
| May 19, 7:51 AM EDT | Areal Flood Warning | ILN | 9 hr |
| May 19, 11:08 AM EDT | Areal Flood Warning | ILN | 9 hr |
| May 19, 7:54 PM EDT | Areal Flood Advisory | ILN | 4 hr |
| May 29, 11:24 AM EDT | Special Weather Statement | ILN | 36 min |
| May 29, 11:49 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 29, 12:46 PM EDT | Areal Flood Advisory | ILN | 5 hr |
| May 29, 1:40 PM EDT | Special Weather Statement | ILN | 35 min |
| May 29, 1:46 PM EDT | Flash Flood Warning | ILN | 119 min |
| May 29, 3:11 PM EDT | Special Weather Statement | ILN | 49 min |
| Jun 4, 11:11 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 12:10 PM EDT | Severe Thunderstorm Warning | ILN | 50 min |
| Jun 4, 12:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 4, 12:52 PM EDT | Severe Thunderstorm Warning | ILN | 38 min |
| Jun 4, 12:59 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jun 10, 1:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 10, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 10, 5:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 10, 5:50 PM EDT | Severe Thunderstorm Warning | ILN | 40 min |
| Jun 10, 6:03 PM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| Jun 10, 6:45 PM EDT | Severe Thunderstorm Warning | ILN | 45 min |
| Jun 21, 5:24 PM EDT | Severe Thunderstorm Warning | ILN | 33 min |
| Jun 21, 6:24 PM EDT | Special Weather Statement | ILN | 36 min |
| Jun 26, 10:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 26, 11:15 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 27, 12:35 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 27, 2:48 AM EDT | Mesoscale Discussion | SPC | 57 min |
| Jul 7, 5:42 PM EDT | Special Weather Statement | ILN | 33 min |
| Jul 7, 6:07 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jul 8, 3:29 PM EDT | Heat Advisory | ILN | 29 hr |
| Jul 10, 11:59 AM EDT | Severe Thunderstorm Warning | ILN | 46 min |
| Jul 10, 12:32 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| Jul 10, 12:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 10, 2:25 PM EDT | Special Weather Statement | ILN | 35 min |
| Jul 10, 3:05 PM EDT | Severe Thunderstorm Warning | ILN | 40 min |
| Jul 10, 3:46 PM EDT | Special Weather Statement | ILN | 29 min |
| Jul 10, 4:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 18, 3:25 PM EDT | Heat Advisory | ILN | 29 hr |
| Jul 19, 3:32 PM EDT | Special Weather Statement | ILN | 28 min |
| Jul 19, 4:16 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 22, 2:40 AM EDT | Special Weather Statement | ILN | 35 min |
| Jul 27, 1:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 30, 5:11 PM EDT | Special Weather Statement | ILN | 2 hr |
| Aug 1, 2:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Aug 1, 7:25 PM EDT | Special Weather Statement | ILN | 20 min |
| Aug 10, 6:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 14, 10:57 AM EDT | Flash Flood Watch | ILN | 24 hr |
| Aug 24, 5:50 PM EDT | Special Weather Statement | ILN | 25 min |
| Aug 25, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 28, 12:52 PM EDT | Severe Thunderstorm Warning | ILN | 53 min |
| Aug 28, 1:03 PM EDT | Special Weather Statement | ILN | 27 min |
| Aug 28, 1:25 PM EDT | Severe Thunderstorm Warning | ILN | 20 min |
| Aug 28, 1:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Sep 1, 5:05 AM EDT | Dense Fog Advisory | ILN | 5 hr |
| Sep 7, 4:20 PM EDT | Severe Thunderstorm Warning | ILN | 40 min |
| Sep 7, 4:54 PM EDT | Severe Thunderstorm Warning | ILN | 51 min |
| Sep 7, 4:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 5:02 PM EDT | Tornado Warning | ILN | 28 min |
| Sep 7, 5:24 PM EDT | Tornado Warning | ILN | 36 min |
| Sep 7, 5:25 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Sep 7, 5:37 PM EDT | Severe Thunderstorm Warning | ILN | 38 min |
| Sep 7, 6:24 PM EDT | Special Weather Statement | ILN | 36 min |
| Sep 7, 6:39 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Sep 7, 7:05 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Sep 7, 10:07 PM EDT | Flash Flood Watch | ILN | 7 hr |
| Sep 7, 11:29 PM EDT | Flash Flood Warning | ILN | 3 hr |
| Sep 8, 2:07 AM EDT | Areal Flood Warning | ILN | 7 hr |
| Oct 2, 2:22 PM EDT | Frost Advisory | ILN | 18 hr |
| Oct 5, 6:14 AM EDT | Dense Fog Advisory | ILN | 6 hr |
| Oct 16, 3:58 AM EDT | Frost Advisory | ILN | 29 hr |
| Oct 16, 1:38 PM EDT | Freeze Warning | ILN | 19 hr |
| Oct 23, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 23, 5:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 23, 7:43 PM EDT | Special Weather Statement | ILN | 32 min |
| Oct 30, 3:21 AM EDT | Freeze Warning | ILN | 31 hr |
| Nov 14, 3:09 AM EST | Wind Advisory | ILN | 40 hr |
| Nov 15, 3:53 AM EST | High Wind Warning | ILN | 15 hr |
| Nov 15, 11:33 AM EST | Mesoscale Discussion | SPC | 57 min |
| Nov 15, 11:34 AM EST | Severe Thunderstorm Warning | ILN | 56 min |
| Nov 18, 3:46 PM EST | Wind Advisory | ILN | 25 hr |
| Nov 19, 10:05 AM EST | Red Flag Warning | ILN | 9 hr |
| Nov 29, 3:30 PM EST | Winter Weather Advisory | ILN | 43 hr |
| Dec 23, 2:11 PM EST | Winter Weather Advisory | ILN | 41 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 | 19 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 4 |
| River Flood Warning | 1 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 15 |
| River Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 10 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe 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.