Alert archive / Delaware / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Delaware, 2023
80 severe thunderstorm warnings in 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Severe Thunderstorm Warnings
- 80
- Busiest month
- July29 severe thunderstorm warnings
- Busiest day
- July 29, 202312 severe thunderstorm warnings
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 | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 37 min |
| Apr 1, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 51 min |
| Apr 1, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 47 min |
| Apr 1, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 40 min |
| Apr 1, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Apr 1, 7:50 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 40 min |
| Apr 1, 8:28 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 47 min |
| Apr 6, 7:50 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 40 min |
| Apr 6, 8:22 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 38 min |
| Apr 22, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 52 min |
| Jun 8, 12:02 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 43 min |
| Jun 8, 1:38 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 37 min |
| Jun 16, 11:20 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| Jun 16, 11:40 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 50 min |
| Jun 16, 11:46 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 59 min |
| Jun 16, 12:28 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| Jun 16, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 48 min |
| Jun 26, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 25 min |
| Jun 26, 5:59 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 24 min |
| Jun 26, 9:25 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 50 min |
| Jun 26, 9:51 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 54 min |
| Jun 26, 10:33 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Jun 27, 3:05 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| Jun 27, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 22 min |
| Jun 27, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 37 min |
| Jun 27, 8:35 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 25 min |
| Jul 2, 8:09 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 51 min |
| Jul 2, 8:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 48 min |
| Jul 3, 7:31 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 59 min |
| Jul 3, 8:04 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Jul 3, 8:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| Jul 3, 9:25 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 35 min |
| Jul 8, 2:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 23 min |
| Jul 9, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Jul 9, 5:10 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 50 min |
| Jul 15, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 65 min |
| Jul 19, 8:32 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 29 min |
| Jul 25, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Jul 25, 3:21 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 39 min |
| Jul 25, 3:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Jul 25, 3:58 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 30 min |
| Jul 25, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 44 min |
| Jul 27, 6:07 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| Jul 28, 8:04 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Jul 28, 10:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 38 min |
| Jul 28, 10:44 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 31 min |
| Jul 28, 11:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 60 min |
| Jul 28, 11:33 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 27 min |
| Jul 28, 11:59 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 31 min |
| Jul 29, 12:12 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 36 min |
| Jul 29, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 50 min |
| Jul 29, 5:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 60 min |
| Jul 29, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 46 min |
| Jul 29, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 75 min |
| Jul 29, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| Aug 7, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 53 min |
| Aug 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 63 min |
| Aug 7, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 69 min |
| Aug 7, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 62 min |
| Aug 7, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 49 min |
| Aug 7, 9:14 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Aug 12, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| Aug 14, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 29 min |
| Aug 15, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 50 min |
| Aug 15, 5:00 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Aug 15, 6:33 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 27 min |
| Sep 7, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Sep 7, 9:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 30 min |
| Sep 8, 2:05 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 40 min |
| Sep 8, 2:15 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 45 min |
| Sep 8, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Sep 8, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 44 min |
| Sep 8, 3:32 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 43 min |
| Sep 8, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Sep 8, 10:17 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 43 min |
| Sep 9, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 43 min |
| Sep 11, 2:59 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 27 min |
| Sep 13, 12:49 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 26 min |
| Sep 13, 1:45 AM EDT | Severe Thunderstorm Warning | PHI | Kent | 45 min |
| Sep 13, 2:21 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 25 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.