Weather alerts in Delaware, 2017
409 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 409
- Warnings
- 101
- Watches
- 26
- Advisories
- 129
- Busiest month
- July121 alerts
- Busiest day
- July 14, 201729 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 | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 3:15 PM EST | Freezing Rain Advisory | PHI | New Castle | 23 hr |
| Jan 5, 11:13 AM EST | Winter Weather Advisory | PHI | New Castle | 18 hr |
| Jan 5, 3:41 PM EST | Winter Storm Watch | PHI | Kent, Sussex | 337 days |
| Jan 6, 9:37 AM EST | Winter Storm Warning | PHI | Kent, Sussex | 34 hr |
| Jan 6, 4:42 PM EST | Winter Weather Advisory | PHI | New Castle | 25 hr |
| Jan 7, 4:02 PM EST | Special Weather Statement | PHI | Sussex | 88 min |
| Jan 21, 8:58 AM EST | Dense Fog Advisory | PHI | New Castle | 2 hr |
| Jan 21, 3:29 PM EST | Dense Fog Advisory | PHI | Kent, New Castle, Sussex | 22 hr |
| Jan 22, 3:28 AM EST | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 36 hr |
| Jan 22, 3:44 AM EST | High Wind Warning | PHI | Kent, New Castle, Sussex | 40 hr |
| Jan 22, 3:44 AM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 38 hr |
| Jan 23, 4:13 AM EST | Coastal Flood Warning | PHI | Kent, New Castle, Sussex | 31 hr |
| Jan 23, 5:44 PM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 115 min |
| Jan 23, 7:39 PM EST | Wind Advisory | PHI | Sussex | 8 hr |
| Jan 26, 11:15 AM EST | Wind Advisory | PHI | Kent, New Castle | 7 hr |
| Jan 29, 3:24 AM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 29 hr |
| Jan 30, 5:08 PM EST | Special Weather Statement | PHI | New Castle | 22 min |
| Feb 7, 3:29 PM EST | Winter Storm Watch | PHI | New Castle | 13 hr |
| Feb 8, 4:01 AM EST | Winter Storm Warning | PHI | New Castle | 36 hr |
| Feb 8, 4:01 AM EST | Winter Weather Advisory | PHI | Kent | 32 hr |
| Feb 9, 3:35 AM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 18 hr |
| Feb 9, 4:23 AM EST | Coastal Flood Advisory | PHI | Kent, Sussex | 6 hr |
| Feb 12, 3:55 AM EST | High Wind Watch | PHI | Kent, New Castle, Sussex | 11 hr |
| Feb 12, 2:45 PM EST | High Wind Warning | PHI | Kent, New Castle, Sussex | 22 hr |
| Feb 12, 2:45 PM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 27 hr |
| Feb 12, 11:10 PM EST | Severe Thunderstorm Warning | PHI | New Castle | 50 min |
| Feb 12, 11:14 PM EST | Severe Thunderstorm Warning | PHI | Kent | 46 min |
| Feb 12, 11:53 PM EST | Severe Thunderstorm Warning | PHI | Kent, Sussex | 52 min |
| Feb 23, 2:58 AM EST | Dense Fog Advisory | PHI | Kent, New Castle | 7 hr |
| Feb 25, 12:16 PM EST | Mesoscale Discussion | SPC | New Castle | 89 min |
| Feb 25, 12:24 PM EST | Mesoscale Discussion | SPC | Kent, Sussex | 2 hr |
| Feb 25, 1:30 PM EST | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Feb 25, 4:04 PM EST | Severe Thunderstorm Warning | PHI | Kent, New Castle | 41 min |
| Feb 25, 4:11 PM EST | Severe Thunderstorm Warning | PHI | Kent | 49 min |
| Feb 25, 4:26 PM EST | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 94 min |
| Feb 25, 4:40 PM EST | Severe Thunderstorm Warning | PHI | Kent, New Castle | 50 min |
| Feb 25, 4:50 PM EST | Severe Thunderstorm Warning | PHI | Kent, Sussex | 55 min |
| Feb 25, 5:42 PM EST | Special Weather Statement | PHI | New Castle | 33 min |
| Feb 25, 5:45 PM EST | Special Weather Statement | PHI | Sussex | 30 min |
| Feb 25, 5:46 PM EST | Special Weather Statement | PHI | Sussex | 29 min |
| Mar 1, 12:50 PM EST | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 55 min |
| Mar 1, 1:13 PM EST | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 4 hr |
| Mar 1, 2:00 PM EST | Severe Thunderstorm Warning | PHI | New Castle | 45 min |
| Mar 1, 2:09 PM EST | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 51 min |
| Mar 1, 2:45 PM EST | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 60 min |
| Mar 1, 2:50 PM EST | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 55 min |
| Mar 1, 3:09 PM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 19 hr |
| Mar 2, 2:47 AM EST | High Wind Warning | PHI | New Castle | 7 hr |
| Mar 3, 3:04 PM EST | Special Weather Statement | PHI | New Castle | 41 min |
| Mar 8, 5:44 AM EST | Special Weather Statement | PHI | Sussex | 31 min |
| Mar 10, 10:46 AM EST | Special Weather Statement | PHI | New Castle | 74 min |
| Mar 10, 3:46 PM EST | Special Weather Statement | PHI | New Castle | 29 min |
| Mar 10, 4:15 PM EST | Special Weather Statement | PHI | New Castle | 45 min |
| Mar 10, 5:23 PM EST | Special Weather Statement | PHI | Kent | 52 min |
| Mar 11, 3:52 PM EST | Winter Storm Watch | PHI | New Castle | 35 hr |
| Mar 12, 2:58 PM EDT | Coastal Flood Watch | PHI | Kent, Sussex | 191 days |
| Mar 12, 3:08 PM EDT | Winter Storm Warning | PHI | New Castle | 48 hr |
| Mar 12, 3:25 PM EDT | High Wind Watch | PHI | Sussex | 13 hr |
| Mar 13, 4:03 AM EDT | Coastal Flood Warning | PHI | Kent, Sussex | 35 hr |
| Mar 13, 4:03 AM EDT | Coastal Flood Advisory | PHI | New Castle | 35 hr |
| Mar 13, 4:06 AM EDT | High Wind Warning | PHI | Kent, Sussex | 35 hr |
| Mar 13, 4:21 AM EDT | Winter Weather Advisory | PHI | Kent | 33 hr |
| Mar 14, 3:22 AM EDT | Mesoscale Discussion | SPC | New Castle | 5 hr |
| Mar 14, 5:57 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 3 hr |
| Mar 14, 9:02 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 3 hr |
| Mar 15, 3:41 AM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 16 hr |
| Mar 27, 3:30 AM EDT | Dense Fog Advisory | PHI | Kent, New Castle, Sussex | 6 hr |
| Mar 31, 3:41 AM EDT | Flood Watch | PHI | New Castle | 20 hr |
| Mar 31, 4:50 PM EDT | Areal Flood Advisory | PHI | New Castle | 9 hr |
| Mar 31, 5:35 PM EDT | River Flood Warning | PHI | New Castle | 8 hr |
| Apr 4, 3:09 PM EDT | Flood Watch | PHI | New Castle | 54 hr |
| Apr 5, 2:50 PM EDT | Wind Advisory | PHI | Kent, Sussex | 25 hr |
| Apr 6, 12:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 24 min |
| Apr 6, 12:18 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 57 min |
| Apr 6, 12:45 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 4 hr |
| Apr 6, 1:00 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 60 min |
| Apr 6, 1:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 40 min |
| Apr 6, 2:07 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 53 min |
| Apr 6, 2:56 PM EDT | Special Weather Statement | PHI | Kent, New Castle | 64 min |
| Apr 6, 3:12 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 63 min |
| Apr 15, 11:55 PM EDT | Special Weather Statement | PHI | Kent | 35 min |
| Apr 21, 9:00 PM EDT | Special Weather Statement | PHI | Kent | 60 min |
| Apr 24, 8:54 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 27 hr |
| Apr 29, 2:57 AM EDT | Special Weather Statement | PHI | Kent | 48 min |
| May 5, 9:12 AM EDT | Special Weather Statement | PHI | New Castle | 33 min |
| May 5, 10:00 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 45 min |
| May 5, 11:00 AM EDT | Special Weather Statement | PHI | Sussex | 60 min |
| May 5, 11:14 AM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| May 5, 11:33 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| May 19, 3:36 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 114 min |
| May 19, 3:48 PM EDT | Special Weather Statement | PHI | New Castle | 42 min |
| May 19, 4:48 PM EDT | Special Weather Statement | PHI | New Castle | 42 min |
| May 19, 5:24 PM EDT | Special Weather Statement | PHI | Kent | 36 min |
| May 19, 8:47 PM EDT | Special Weather Statement | PHI | Kent | 43 min |
| May 19, 9:24 PM EDT | Special Weather Statement | PHI | Kent | 36 min |
| May 19, 10:00 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| May 19, 10:35 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| May 20, 12:09 AM EDT | Special Weather Statement | PHI | Kent | 21 min |
| May 22, 7:25 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 9 hr |
| May 23, 3:02 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 34 hr |
| May 24, 3:25 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 33 hr |
| May 25, 5:29 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 2 hr |
| May 25, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 49 min |
| May 25, 6:48 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| May 25, 7:13 PM EDT | Special Weather Statement | PHI | Kent | 32 min |
| May 25, 7:49 PM EDT | Special Weather Statement | PHI | New Castle | 26 min |
| May 25, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 49 min |
| May 26, 3:03 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 11 hr |
| May 27, 4:02 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 23 hr |
| May 28, 4:04 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 24 hr |
| May 29, 4:27 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 24 hr |
| Jun 12, 2:06 PM EDT | Heat Advisory | PHI | New Castle | 29 hr |
| Jun 17, 5:27 AM EDT | Rip Current Statement | PHI | Sussex | 64 hr |
| Jun 17, 7:08 PM EDT | Special Weather Statement | PHI | New Castle | 67 min |
| Jun 18, 3:30 AM EDT | Flash Flood Watch | PHI | New Castle | 39 hr |
| Jun 19, 11:13 AM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 9 hr |
| Jun 19, 2:21 PM EDT | Mesoscale Discussion | SPC | New Castle | 114 min |
| Jun 19, 4:07 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| Jun 19, 4:07 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Jun 19, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 52 min |
| Jun 19, 4:42 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Jun 19, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 46 min |
| Jun 19, 5:14 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 3 hr |
| Jun 19, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 62 min |
| Jun 19, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 67 min |
| Jun 19, 6:17 PM EDT | Tornado Warning | PHI | Kent, Sussex | 16 min |
| Jun 19, 6:52 PM EDT | Special Weather Statement | PHI | Sussex | 23 min |
| Jun 19, 7:30 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Jun 19, 7:34 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jun 19, 8:12 PM EDT | Special Weather Statement | PHI | Sussex | 48 min |
| Jun 19, 8:20 PM EDT | Flash Flood Warning | PHI | Sussex | 3 hr |
| Jun 19, 8:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 36 min |
| Jun 19, 8:32 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
| Jun 19, 8:45 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| Jun 21, 2:38 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 3 hr |
| Jun 21, 6:27 PM EDT | Special Weather Statement | PHI | New Castle | 33 min |
| Jun 21, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 48 min |
| Jun 21, 7:42 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 36 min |
| Jun 21, 8:18 PM EDT | Special Weather Statement | PHI | Kent | 27 min |
| Jun 21, 8:51 PM EDT | Special Weather Statement | PHI | Sussex | 24 min |
| Jun 21, 9:15 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| Jun 21, 9:46 PM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Jun 21, 10:32 PM EDT | Special Weather Statement | PHI | Sussex | 58 min |
| Jun 22, 3:31 AM EDT | Coastal Flood Advisory | PHI | Sussex | 17 hr |
| Jun 23, 8:25 PM EDT | Mesoscale Discussion | SPC | New Castle | 65 min |
| Jun 24, 6:20 AM EDT | Special Weather Statement | PHI | Kent | 55 min |
| Jun 24, 6:54 AM EDT | Mesoscale Discussion | SPC | Kent | 66 min |
| Jun 24, 7:00 AM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| Jun 27, 6:38 PM EDT | Special Weather Statement | PHI | Sussex | 22 min |
| Jul 1, 1:34 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 7 hr |
| Jul 1, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Jul 1, 5:30 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 1, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 51 min |
| Jul 1, 5:41 PM EDT | Special Weather Statement | PHI | Kent, New Castle | 34 min |
| Jul 1, 6:27 PM EDT | Special Weather Statement | PHI | Kent | 33 min |
| Jul 4, 3:06 PM EDT | Special Weather Statement | PHI | Kent | 54 min |
| Jul 4, 3:51 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Jul 4, 3:55 PM EDT | Special Weather Statement | PHI | Kent | 65 min |
| Jul 4, 4:34 PM EDT | Special Weather Statement | PHI | Sussex | 56 min |
| Jul 4, 4:54 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jul 5, 4:22 AM EDT | Special Weather Statement | PHI | Kent | 38 min |
| Jul 6, 2:41 PM EDT | Special Weather Statement | PHI | New Castle | 64 min |
| Jul 6, 3:01 PM EDT | Areal Flood Advisory | PHI | New Castle | 119 min |
| Jul 6, 3:35 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Jul 6, 4:04 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 6, 4:16 PM EDT | Flash Flood Watch | PHI | New Castle | 3 hr |
| Jul 6, 7:36 PM EDT | Areal Flood Warning | PHI | New Castle | 10 hr |
| Jul 11, 2:52 PM EDT | Excessive Heat Watch | PHI | New Castle | 19 hr |
| Jul 12, 9:37 AM EDT | Excessive Heat Warning | PHI | New Castle | 34 hr |
| Jul 12, 3:10 PM EDT | Heat Advisory | PHI | Kent, Sussex | 29 hr |
| Jul 13, 11:09 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Jul 13, 3:03 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 57 min |
| Jul 13, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 46 min |
| Jul 13, 8:09 PM EDT | Special Weather Statement | PHI | Kent | 36 min |
| Jul 13, 8:29 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Jul 13, 10:03 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Jul 13, 10:15 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Jul 13, 10:39 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 51 min |
| Jul 14, 9:02 AM EDT | Special Weather Statement | PHI | New Castle | 28 min |
| Jul 14, 11:40 AM EDT | Flash Flood Watch | PHI | Kent, New Castle | 11 hr |
| Jul 14, 12:06 PM EDT | Heat Advisory | PHI | Kent, Sussex | 7 hr |
| Jul 14, 1:09 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Jul 14, 1:40 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 7 hr |
| Jul 14, 2:14 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Jul 14, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 59 min |
| Jul 14, 2:53 PM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Jul 14, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 12 min |
| Jul 14, 3:23 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 67 min |
| Jul 14, 3:25 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 14, 3:34 PM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Jul 14, 3:54 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 66 min |
| Jul 14, 4:23 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 67 min |
| Jul 14, 5:14 PM EDT | Areal Flood Advisory | PHI | Kent | 3 hr |
| Jul 14, 5:24 PM EDT | Special Weather Statement | PHI | Sussex | 36 min |
| Jul 14, 5:30 PM EDT | River Flood Warning | PHI | New Castle | 7 hr |
| Jul 14, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 65 min |
| Jul 14, 5:51 PM EDT | Special Weather Statement | PHI | Sussex | 39 min |
| Jul 14, 6:10 PM EDT | Flash Flood Warning | PHI | Kent | 3 hr |
| Jul 14, 6:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 40 min |
| Jul 14, 6:32 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jul 14, 6:48 PM EDT | Special Weather Statement | PHI | Sussex | 42 min |
| Jul 14, 7:15 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 60 min |
| Jul 14, 8:26 PM EDT | Areal Flood Advisory | PHI | Kent | 3 hr |
| Jul 19, 2:48 PM EDT | Special Weather Statement | PHI | Sussex | 57 min |
| Jul 19, 2:58 PM EDT | Excessive Heat Warning | PHI | New Castle | 53 hr |
| Jul 19, 3:07 PM EDT | Special Weather Statement | PHI | Kent | 38 min |
| Jul 19, 3:21 PM EDT | Special Weather Statement | PHI | Kent | 24 min |
| Jul 19, 3:37 PM EDT | Special Weather Statement | PHI | Kent | 38 min |
| Jul 19, 3:42 PM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Jul 19, 5:54 PM EDT | Special Weather Statement | PHI | Sussex | 66 min |
| Jul 20, 3:43 AM EDT | Heat Advisory | PHI | Kent, Sussex | 15 hr |
| Jul 22, 10:45 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 13 hr |
| Jul 22, 1:12 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 3 hr |
| Jul 22, 2:58 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Jul 22, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 43 min |
| Jul 22, 3:34 PM EDT | Special Weather Statement | PHI | Sussex | 41 min |
| Jul 22, 3:36 PM EDT | Areal Flood Advisory | PHI | Sussex | 114 min |
| Jul 22, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 52 min |
| Jul 22, 3:57 PM EDT | Special Weather Statement | PHI | Sussex | 33 min |
| Jul 22, 5:18 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Jul 22, 11:11 PM EDT | Special Weather Statement | PHI | Sussex | 64 min |
| Jul 22, 11:26 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jul 23, 12:01 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 25 hr |
| Jul 23, 3:16 PM EDT | Flash Flood Watch | PHI | New Castle | 15 hr |
| Jul 23, 3:44 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 3 hr |
| Jul 23, 3:53 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Jul 23, 4:15 PM EDT | Special Weather Statement | PHI | New Castle | 30 min |
| Jul 23, 4:21 PM EDT | Areal Flood Advisory | PHI | Kent | 3 hr |
| Jul 23, 4:26 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Jul 23, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 26 min |
| Jul 23, 4:44 PM EDT | Special Weather Statement | PHI | New Castle | 16 min |
| Jul 23, 4:48 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 23, 6:53 PM EDT | Flash Flood Warning | PHI | New Castle | 14 hr |
| Jul 23, 9:08 PM EDT | River Flood Warning | PHI | New Castle | 17 hr |
| Jul 24, 12:41 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Jul 24, 1:10 AM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 24, 1:52 AM EDT | Severe Thunderstorm Warning | PHI | Kent | 53 min |
| Jul 24, 2:02 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 43 min |
| Jul 24, 2:34 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 41 min |
| Jul 24, 3:05 AM EDT | River Flood Warning | PHI | New Castle | 8 hr |
| Jul 24, 4:17 AM EDT | River Flood Warning | PHI | New Castle | 11 hr |
| Jul 24, 2:17 PM EDT | Mesoscale Discussion | SPC | New Castle | 118 min |
| Jul 24, 2:55 PM EDT | Coastal Flood Advisory | PHI | Sussex | 11 hr |
| Jul 24, 6:09 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 3 hr |
| Jul 24, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Jul 24, 8:59 PM EDT | Areal Flood Advisory | PHI | New Castle | 2 hr |
| Jul 24, 9:01 PM EDT | Special Weather Statement | PHI | New Castle | 59 min |
| Jul 24, 10:01 PM EDT | Areal Flood Advisory | PHI | New Castle | 119 min |
| Jul 24, 10:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 39 min |
| Jul 24, 10:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 52 min |
| Jul 24, 10:50 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 40 min |
| Jul 24, 11:30 PM EDT | Special Weather Statement | PHI | Kent | 45 min |
| Jul 25, 12:16 AM EDT | Special Weather Statement | PHI | Sussex | 44 min |
| Jul 25, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 41 min |
| Jul 25, 1:15 AM EDT | Special Weather Statement | PHI | Sussex | 45 min |
| Jul 25, 3:25 PM EDT | Coastal Flood Advisory | PHI | Sussex | 11 hr |
| Jul 26, 5:30 AM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Jul 27, 3:08 PM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 42 hr |
| Jul 28, 5:06 AM EDT | Special Weather Statement | PHI | Sussex | 54 min |
| Jul 28, 3:14 PM EDT | Special Weather Statement | PHI | Sussex | 46 min |
| Jul 28, 3:39 PM EDT | Areal Flood Advisory | PHI | Sussex | 9 hr |
| Jul 28, 8:48 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jul 28, 8:52 PM EDT | Rip Current Statement | PHI | Sussex | 23 hr |
| Jul 28, 10:17 PM EDT | Special Weather Statement | PHI | Sussex | 28 min |
| Jul 28, 11:13 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Jul 29, 1:38 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Jul 29, 3:03 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Jul 29, 5:30 AM EDT | Areal Flood Advisory | PHI | Sussex | 2 hr |
| Jul 29, 8:56 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 9 hr |
| Jul 29, 8:56 PM EDT | Rip Current Statement | PHI | Sussex | 23 hr |
| Aug 2, 12:28 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Aug 2, 1:30 PM EDT | Mesoscale Discussion | SPC | New Castle | 2 hr |
| Aug 2, 1:44 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Aug 2, 3:16 PM EDT | Areal Flood Advisory | PHI | Kent | 7 hr |
| Aug 2, 6:27 PM EDT | Special Weather Statement | PHI | Kent | 33 min |
| Aug 2, 7:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 47 min |
| Aug 3, 1:54 PM EDT | Special Weather Statement | PHI | Sussex | 21 min |
| Aug 3, 2:12 PM EDT | Special Weather Statement | PHI | Sussex | 33 min |
| Aug 3, 2:15 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Aug 3, 2:26 PM EDT | Special Weather Statement | PHI | Sussex | 49 min |
| Aug 3, 2:59 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 46 min |
| Aug 3, 3:46 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Aug 3, 4:17 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 4 hr |
| Aug 3, 5:01 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Aug 3, 5:20 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Aug 3, 5:33 PM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Aug 3, 5:49 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 3, 6:12 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Aug 3, 6:28 PM EDT | Mesoscale Discussion | SPC | New Castle | 62 min |
| Aug 3, 6:31 PM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Aug 3, 7:02 PM EDT | Flash Flood Warning | PHI | Sussex | 3 hr |
| Aug 5, 2:38 AM EDT | Special Weather Statement | PHI | New Castle | 52 min |
| Aug 6, 3:12 PM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 26 hr |
| Aug 7, 9:59 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Aug 7, 10:44 AM EDT | Flash Flood Warning | PHI | Kent | 4 hr |
| Aug 7, 11:41 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
| Aug 7, 12:16 PM EDT | Mesoscale Discussion | SPC | Sussex | 2 hr |
| Aug 7, 12:36 PM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Aug 7, 1:47 PM EDT | Special Weather Statement | PHI | Sussex | 43 min |
| Aug 7, 1:58 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 47 min |
| Aug 7, 2:06 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 4 hr |
| Aug 7, 2:08 PM EDT | Tornado Warning | PHI | Sussex | 37 min |
| Aug 7, 2:22 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 7, 2:40 PM EDT | Areal Flood Warning | PHI | Kent | 6 hr |
| Aug 7, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 34 min |
| Aug 7, 4:17 PM EDT | Mesoscale Discussion | SPC | Sussex | 118 min |
| Aug 7, 4:57 PM EDT | Areal Flood Warning | PHI | Sussex | 4 hr |
| Aug 7, 5:25 PM EDT | Areal Flood Warning | PHI | Kent | 4 hr |
| Aug 12, 1:26 AM EDT | Special Weather Statement | PHI | Sussex | 34 min |
| Aug 12, 1:54 AM EDT | Special Weather Statement | PHI | Sussex | 51 min |
| Aug 12, 2:03 AM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 12, 5:25 AM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Aug 12, 5:55 AM EDT | Areal Flood Advisory | PHI | Sussex | 2 hr |
| Aug 12, 10:37 AM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 12, 12:25 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Aug 12, 5:17 PM EDT | Mesoscale Discussion | SPC | New Castle | 88 min |
| Aug 12, 11:29 PM EDT | Special Weather Statement | PHI | Sussex | 46 min |
| Aug 15, 1:06 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Aug 15, 3:21 PM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Aug 15, 3:25 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Aug 15, 6:54 PM EDT | Rip Current Statement | PHI | Sussex | 26 hr |
| Aug 16, 3:11 AM EDT | Dense Fog Advisory | PHI | New Castle | 5 hr |
| Aug 17, 3:37 PM EDT | Special Weather Statement | PHI | Sussex | 53 min |
| Aug 17, 4:27 PM EDT | Special Weather Statement | PHI | Sussex | 63 min |
| Aug 18, 3:39 AM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 18 hr |
| Aug 18, 1:54 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Aug 18, 2:27 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 9 hr |
| Aug 18, 4:34 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 86 min |
| Aug 18, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Aug 18, 5:20 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Aug 18, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 66 min |
| Aug 18, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 65 min |
| Aug 18, 6:12 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Aug 18, 6:20 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Aug 18, 6:38 PM EDT | Special Weather Statement | PHI | New Castle | 37 min |
| Aug 18, 6:48 PM EDT | Special Weather Statement | PHI | New Castle | 27 min |
| Aug 18, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 53 min |
| Aug 18, 7:33 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
| Aug 18, 7:53 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 48 min |
| Aug 18, 8:03 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 57 min |
| Aug 18, 8:43 PM EDT | Special Weather Statement | PHI | Sussex | 32 min |
| Aug 18, 9:08 PM EDT | Special Weather Statement | PHI | Sussex | 52 min |
| Aug 18, 9:55 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Aug 19, 10:29 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Aug 21, 3:14 PM EDT | Heat Advisory | PHI | New Castle | 29 hr |
| Aug 22, 4:19 PM EDT | Severe Thunderstorm Watch | SPC | New Castle | 8 hr |
| Aug 22, 10:07 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 53 min |
| Aug 22, 10:40 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Aug 22, 10:53 PM EDT | Mesoscale Discussion | SPC | New Castle | 97 min |
| Aug 22, 10:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 62 min |
| Aug 22, 11:46 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Aug 23, 12:06 AM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Aug 23, 1:56 AM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Aug 23, 4:02 AM EDT | Areal Flood Warning | PHI | New Castle | 4 hr |
| Aug 25, 3:28 AM EDT | Special Weather Statement | PHI | Kent | 47 min |
| Aug 27, 8:41 PM EDT | Rip Current Statement | PHI | Sussex | 3 days |
| Aug 28, 3:33 PM EDT | Wind Advisory | PHI | Sussex | 32 hr |
| Aug 28, 4:00 PM EDT | High Surf Advisory | PHI | Sussex | 36 hr |
| Aug 29, 2:14 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Aug 29, 2:26 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 6 hr |
| Sep 1, 9:12 PM EDT | Rip Current Statement | PHI | Sussex | 24 hr |
| Sep 2, 10:41 AM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Sep 2, 8:30 PM EDT | Special Weather Statement | PHI | Sussex | 60 min |
| Sep 5, 5:00 PM EDT | Mesoscale Discussion | SPC | New Castle | 90 min |
| Sep 5, 6:19 PM EDT | Special Weather Statement | PHI | New Castle | 41 min |
| Sep 5, 11:27 PM EDT | Special Weather Statement | PHI | Sussex | 48 min |
| Sep 6, 12:01 AM EDT | Special Weather Statement | PHI | Sussex | 44 min |
| Sep 6, 5:07 PM EDT | Special Weather Statement | PHI | Sussex | 68 min |
| Sep 6, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 15 min |
| Sep 6, 6:16 PM EDT | Special Weather Statement | PHI | Sussex | 44 min |
| Sep 6, 6:26 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Sep 8, 5:04 AM EDT | Rip Current Statement | PHI | Sussex | 39 hr |
| Sep 10, 5:44 AM EDT | Rip Current Statement | PHI | Sussex | 15 hr |
| Sep 11, 8:22 PM EDT | Rip Current Statement | PHI | Sussex | 24 hr |
| Sep 16, 8:35 PM EDT | Rip Current Statement | PHI | Sussex | 20 hr |
| Sep 17, 3:53 PM EDT | Tropical Storm Watch | PHI | Sussex | 41 hr |
| Sep 18, 7:27 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 20 hr |
| Sep 18, 7:27 AM EDT | High Surf Advisory | PHI | Sussex | 45 hr |
| Sep 19, 2:58 AM EDT | Coastal Flood Warning | PHI | Kent, Sussex | 30 hr |
| Sep 19, 2:58 AM EDT | Coastal Flood Advisory | PHI | New Castle | 22 hr |
| Sep 20, 12:58 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 25 hr |
| Sep 20, 4:08 AM EDT | Rip Current Statement | PHI | Sussex | 16 hr |
| Sep 21, 3:54 AM EDT | Rip Current Statement | PHI | Sussex | 41 hr |
| Sep 22, 9:37 AM EDT | Coastal Flood Advisory | PHI | Sussex | 5 hr |
| Sep 23, 3:35 PM EDT | Rip Current Statement | PHI | Sussex | 5 hr |
| Sep 24, 3:40 AM EDT | Rip Current Statement | PHI | Sussex | 6 days |
| Sep 26, 3:20 AM EDT | High Surf Advisory | PHI | Sussex | 48 hr |
| Oct 11, 9:28 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 22 hr |
| Oct 23, 3:04 PM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 24 hr |
| Oct 29, 3:23 AM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 32 hr |
| Oct 29, 4:40 PM EDT | Areal Flood Advisory | PHI | New Castle | 5 hr |
| Oct 29, 8:11 PM EDT | Areal Flood Warning | PHI | New Castle | 6 hr |
| Nov 3, 3:44 AM EDT | Dense Fog Advisory | PHI | New Castle | 5 hr |
| Nov 3, 3:16 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 21 hr |
| Nov 4, 3:38 PM EDT | Coastal Flood Advisory | PHI | Sussex | 21 hr |
| Nov 6, 4:50 AM EST | Coastal Flood Advisory | PHI | Kent, Sussex | 7 hr |
| Nov 6, 3:51 PM EST | Coastal Flood Advisory | PHI | Sussex | 22 hr |
| Nov 7, 3:42 PM EST | Coastal Flood Advisory | PHI | Kent, Sussex | 23 hr |
| Nov 9, 3:34 AM EST | Freeze Watch | PHI | Kent, New Castle, Sussex | 11 hr |
| Nov 9, 2:15 PM EST | Freeze Warning | PHI | Kent, New Castle, Sussex | 44 hr |
| Nov 18, 2:46 PM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 24 hr |
| Dec 3, 8:28 PM EST | Coastal Flood Advisory | PHI | Kent, Sussex | 16 hr |
| Dec 8, 3:04 AM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 45 hr |
| Dec 8, 2:52 PM EST | Mesoscale Discussion | SPC | Sussex | 5 hr |
| Dec 8, 3:34 PM EST | Winter Storm Warning | PHI | Kent, Sussex | 33 hr |
| Dec 12, 9:37 PM EST | Wind Advisory | PHI | Kent, Sussex | 12 hr |
| Dec 15, 3:26 AM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 18 hr |
| Dec 24, 3:18 AM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 35 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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 archive20162018
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.