Alert archive / Delaware / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Delaware, 2019
103 severe thunderstorm warnings in 2019. 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 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 103
- Busiest month
- July28 severe thunderstorm warnings
- Busiest day
- June 29, 201910 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 15, 2:46 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Apr 15, 3:07 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 38 min |
| Apr 15, 3:28 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 47 min |
| Apr 15, 3:41 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 64 min |
| Apr 19, 9:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 37 min |
| Apr 26, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 47 min |
| Apr 26, 5:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 38 min |
| Apr 26, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 38 min |
| Apr 26, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 28 min |
| May 2, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 52 min |
| May 20, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 20 min |
| May 23, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 37 min |
| May 23, 11:22 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| May 26, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 27 min |
| May 26, 9:45 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 45 min |
| May 26, 10:09 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 66 min |
| May 28, 8:28 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| May 28, 9:13 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| May 28, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| May 28, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 64 min |
| May 28, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| May 28, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| May 28, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| May 29, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| May 29, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 34 min |
| May 29, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 53 min |
| May 30, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 43 min |
| May 30, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 51 min |
| Jun 2, 2:40 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 50 min |
| Jun 2, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Jun 2, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Jun 2, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jun 2, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Jun 5, 4:15 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Jun 16, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 36 min |
| Jun 18, 8:39 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 51 min |
| Jun 18, 9:19 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 41 min |
| Jun 20, 2:33 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 57 min |
| Jun 28, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 33 min |
| Jun 29, 2:47 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 28 min |
| Jun 29, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Jun 29, 3:13 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 8 min |
| Jun 29, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 36 min |
| Jun 29, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| Jun 29, 4:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 36 min |
| Jun 29, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 52 min |
| Jun 29, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 38 min |
| Jun 29, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 50 min |
| Jun 29, 5:26 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 79 min |
| Jul 2, 7:27 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| Jul 2, 8:10 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 50 min |
| Jul 4, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 27 min |
| Jul 6, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 17 min |
| Jul 6, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 29 min |
| Jul 6, 9:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 43 min |
| Jul 11, 1:44 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 61 min |
| Jul 11, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 61 min |
| Jul 11, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 61 min |
| Jul 17, 6:35 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| Jul 17, 6:44 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 46 min |
| Jul 17, 7:15 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 45 min |
| Jul 17, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 43 min |
| Jul 17, 7:44 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 46 min |
| Jul 17, 8:30 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Jul 17, 8:54 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 36 min |
| Jul 21, 9:30 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 45 min |
| Jul 21, 9:44 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| Jul 21, 10:13 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jul 21, 10:54 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 25 min |
| Jul 22, 3:47 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 58 min |
| Jul 22, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 59 min |
| Jul 22, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 61 min |
| Jul 22, 11:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| Jul 23, 12:44 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 31 min |
| Jul 31, 2:46 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Jul 31, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 9 min |
| Jul 31, 6:05 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 26 min |
| Aug 1, 4:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 60 min |
| Aug 1, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 54 min |
| Aug 1, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 21 min |
| Aug 1, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 50 min |
| Aug 1, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 47 min |
| Aug 4, 12:28 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 47 min |
| Aug 7, 1:49 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 41 min |
| Aug 7, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 63 min |
| Aug 7, 4:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 63 min |
| Aug 7, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 59 min |
| Aug 7, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 42 min |
| Aug 7, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 52 min |
| Aug 7, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 51 min |
| Aug 18, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 45 min |
| Aug 19, 1:56 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 49 min |
| Aug 19, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Aug 19, 4:46 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 46 min |
| Aug 22, 8:54 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 66 min |
| Aug 22, 9:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 54 min |
| Aug 22, 10:11 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 64 min |
| Sep 4, 7:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 51 min |
| Sep 4, 8:13 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 62 min |
| Sep 12, 5:51 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 24 min |
| Oct 31, 11:15 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 60 min |
| Oct 31, 11:28 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 62 min |
| Nov 1, 12:10 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 95 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 archive20182020
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.