Weather alerts in Delaware, 2016
374 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 374
- Warnings
- 101
- Watches
- 34
- Advisories
- 105
- Busiest month
- July100 alerts
- Busiest day
- July 28, 201621 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 9, 2:38 PM EST | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 31 hr |
| Jan 12, 3:30 PM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 12 hr |
| Jan 12, 7:06 PM EST | Special Weather Statement | PHI | Kent, New Castle | 84 min |
| Jan 15, 11:48 PM EST | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jan 17, 12:55 PM EST | Winter Weather Advisory | PHI | Kent, Sussex | 6 hr |
| Jan 20, 3:21 PM EST | Winter Storm Watch | PHI | Kent, New Castle, Sussex | 37 hr |
| Jan 20, 4:37 PM EST | Coastal Flood Watch | PHI | Kent, Sussex | 34 hr |
| Jan 21, 10:37 AM EST | Blizzard Watch | PHI | Kent, New Castle | 18 hr |
| Jan 21, 10:56 AM EST | High Wind Watch | PHI | Sussex | 17 hr |
| Jan 22, 2:20 AM EST | Coastal Flood Warning | PHI | Kent, Sussex | 57 hr |
| Jan 22, 2:20 AM EST | Coastal Flood Advisory | PHI | New Castle | 37 hr |
| Jan 22, 3:38 AM EST | High Wind Warning | PHI | Sussex | 41 hr |
| Jan 22, 4:16 AM EST | Blizzard Warning | PHI | Kent, New Castle | 44 hr |
| Jan 22, 4:16 AM EST | Winter Storm Warning | PHI | Kent, Sussex | 44 hr |
| Jan 22, 5:19 PM EST | Special Weather Statement | PHI | Kent, New Castle, Sussex | 3 hr |
| Jan 22, 9:56 PM EST | Mesoscale Discussion | SPC | Kent, New Castle | 5 hr |
| Jan 23, 4:20 AM EST | Mesoscale Discussion | SPC | Kent, New Castle | 5 hr |
| Jan 23, 12:44 PM EST | Mesoscale Discussion | SPC | Kent, New Castle | 6 hr |
| Jan 23, 3:11 PM EST | Coastal Flood Advisory | PHI | New Castle | 22 hr |
| Jan 23, 6:40 PM EST | Mesoscale Discussion | SPC | Kent, New Castle | 4 hr |
| Jan 26, 5:16 AM EST | Freezing Rain Advisory | PHI | New Castle | 6 hr |
| Feb 1, 3:32 PM EST | Flood Watch | PHI | New Castle | 60 hr |
| Feb 3, 5:46 PM EST | River Flood Warning | PHI | New Castle | 12 hr |
| Feb 4, 3:27 PM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 21 hr |
| Feb 7, 3:22 PM EST | Coastal Flood Watch | PHI | Kent, Sussex | 23 hr |
| Feb 7, 3:22 PM EST | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 23 hr |
| Feb 8, 3:54 AM EST | Winter Storm Watch | PHI | Kent, New Castle | 11 hr |
| Feb 8, 4:06 AM EST | Coastal Flood Warning | PHI | Kent, New Castle, Sussex | 35 hr |
| Feb 8, 1:59 PM EST | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 36 hr |
| Feb 8, 3:22 PM EST | Winter Storm Warning | PHI | Kent, New Castle | 30 hr |
| Feb 8, 3:22 PM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 30 hr |
| Feb 12, 2:19 PM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 28 hr |
| Feb 12, 2:36 PM EST | Wind Chill Advisory | PHI | Kent, New Castle, Sussex | 42 hr |
| Feb 13, 5:39 AM EST | Special Weather Statement | PHI | Sussex | 66 min |
| Feb 14, 3:12 PM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 40 hr |
| Feb 15, 10:41 AM EST | Winter Storm Warning | PHI | Sussex | 8 hr |
| Feb 15, 1:46 PM EST | Mesoscale Discussion | SPC | Kent, New Castle | 5 hr |
| Feb 15, 6:49 PM EST | Freezing Rain Advisory | PHI | Kent, New Castle | 10 hr |
| Feb 16, 10:34 AM EST | Special Weather Statement | PHI | Kent, New Castle, Sussex | 41 min |
| Feb 16, 11:15 AM EST | Special Weather Statement | PHI | Kent, New Castle, Sussex | 60 min |
| Feb 16, 12:34 PM EST | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Feb 16, 1:54 PM EST | River Flood Warning | PHI | New Castle | 10 hr |
| Feb 24, 3:19 AM EST | Wind Advisory | PHI | Sussex | 22 hr |
| Feb 24, 3:06 PM EST | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 54 min |
| Feb 24, 3:20 PM EST | Tornado Watch | SPC | Kent, New Castle, Sussex | 8 hr |
| Feb 24, 3:56 PM EST | Coastal Flood Advisory | PHI | New Castle | 20 hr |
| Feb 24, 4:46 PM EST | Mesoscale Discussion | SPC | Kent | 89 min |
| Feb 24, 5:20 PM EST | Severe Thunderstorm Warning | PHI | Sussex | 25 min |
| Feb 24, 5:45 PM EST | Severe Thunderstorm Warning | PHI | Kent, Sussex | 30 min |
| Feb 24, 6:05 PM EST | Severe Thunderstorm Warning | PHI | Kent | 40 min |
| Feb 24, 8:47 PM EST | Severe Thunderstorm Warning | PHI | Kent, New Castle | 43 min |
| Feb 24, 8:48 PM EST | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 4 hr |
| Feb 24, 10:05 PM EST | Flash Flood Warning | PHI | Kent, New Castle | 4 hr |
| Feb 24, 10:15 PM EST | River Flood Warning | PHI | New Castle | 13 hr |
| Feb 24, 10:50 PM EST | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Feb 25, 1:21 AM EST | River Flood Warning | PHI | New Castle | 9 hr |
| Feb 25, 1:33 AM EST | River Flood Warning | PHI | New Castle | 8 hr |
| Feb 25, 1:10 PM EST | River Flood Warning | PHI | New Castle | 8 hr |
| Mar 3, 3:32 AM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 33 hr |
| Mar 28, 4:00 AM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 20 hr |
| Apr 1, 4:08 AM EDT | High Wind Watch | PHI | Kent, New Castle, Sussex | 24 hr |
| Apr 1, 9:36 AM EDT | Special Weather Statement | PHI | Sussex | 24 min |
| Apr 1, 10:07 AM EDT | Special Weather Statement | PHI | Sussex | 8 min |
| Apr 1, 1:46 PM EDT | Mesoscale Discussion | SPC | New Castle | 119 min |
| Apr 2, 3:58 AM EDT | High Wind Warning | PHI | Kent, New Castle, Sussex | 32 hr |
| Apr 2, 10:02 PM EDT | Special Weather Statement | PHI | Kent, New Castle | 88 min |
| Apr 2, 10:51 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 39 min |
| Apr 2, 11:09 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 51 min |
| Apr 2, 11:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 51 min |
| Apr 3, 11:34 AM EDT | Wind Advisory | PHI | New Castle | 4 hr |
| Apr 3, 3:40 PM EDT | Freeze Watch | PHI | Kent, New Castle | 12 hr |
| Apr 4, 3:55 AM EDT | Freeze Warning | PHI | Kent, New Castle | 30 hr |
| Apr 4, 4:28 AM EDT | Freeze Watch | PHI | Kent, New Castle, Sussex | 30 hr |
| Apr 5, 9:59 AM EDT | Freeze Warning | PHI | Kent, New Castle, Sussex | 23 hr |
| Apr 6, 8:07 PM EDT | Coastal Flood Advisory | PHI | New Castle | 5 hr |
| Apr 7, 3:30 AM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 12 hr |
| Apr 7, 10:49 AM EDT | Special Weather Statement | PHI | Kent, New Castle, Sussex | 86 min |
| Apr 7, 11:36 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 114 min |
| Apr 7, 12:08 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 37 min |
| Apr 7, 12:22 PM EDT | Special Weather Statement | PHI | New Castle | 38 min |
| Apr 7, 3:16 PM EDT | Special Weather Statement | PHI | Sussex | 44 min |
| Apr 7, 6:19 PM EDT | Special Weather Statement | PHI | New Castle | 56 min |
| Apr 7, 6:27 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 48 min |
| Apr 7, 6:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 38 min |
| Apr 8, 4:00 AM EDT | Freeze Watch | PHI | Kent, New Castle, Sussex | 17 hr |
| Apr 8, 8:47 PM EDT | Freeze Warning | PHI | Kent, New Castle, Sussex | 37 hr |
| Apr 13, 6:30 PM EDT | Frost Advisory | PHI | Kent, New Castle, Sussex | 13 hr |
| Apr 14, 3:07 PM EDT | Frost Advisory | PHI | New Castle | 17 hr |
| Apr 16, 3:29 PM EDT | Frost Advisory | PHI | Sussex | 17 hr |
| Apr 18, 2:00 PM EDT | Fire Weather Watch | PHI | Kent, New Castle, Sussex | 13 hr |
| Apr 19, 3:00 AM EDT | Red Flag Warning | PHI | Kent, New Castle, Sussex | 17 hr |
| Apr 22, 3:15 PM EDT | Special Weather Statement | PHI | Sussex | 60 min |
| Apr 26, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Apr 26, 1:19 PM EDT | Mesoscale Discussion | SPC | New Castle | 86 min |
| Apr 26, 1:54 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Apr 26, 6:46 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 59 min |
| May 2, 9:43 PM EDT | Special Weather Statement | PHI | Kent | 77 min |
| May 2, 10:15 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 60 min |
| May 2, 10:22 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| May 2, 10:45 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 6 hr |
| May 2, 10:59 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 22 min |
| May 3, 12:11 AM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| May 4, 3:49 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 19 hr |
| May 5, 3:57 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 7 hr |
| May 5, 3:57 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 23 hr |
| May 5, 2:45 PM EDT | Coastal Flood Warning | PHI | Kent, Sussex | 34 hr |
| May 6, 3:39 AM EDT | Coastal Flood Advisory | PHI | New Castle | 29 hr |
| May 7, 12:50 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 26 hr |
| May 14, 2:44 PM EDT | Special Weather Statement | PHI | Kent, New Castle | 61 min |
| May 14, 3:41 PM EDT | Special Weather Statement | PHI | Kent, New Castle, Sussex | 79 min |
| May 14, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 34 min |
| May 21, 10:05 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| May 23, 6:11 PM EDT | Special Weather Statement | PHI | New Castle | 79 min |
| May 23, 6:29 PM EDT | Special Weather Statement | PHI | New Castle | 31 min |
| May 29, 8:14 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| May 29, 10:39 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 6 hr |
| May 29, 11:38 PM EDT | Special Weather Statement | PHI | New Castle | 22 min |
| May 30, 5:56 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jun 4, 2:55 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 7 hr |
| Jun 5, 3:12 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Jun 5, 4:05 PM EDT | Special Weather Statement | PHI | Sussex | 40 min |
| Jun 5, 4:35 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 40 min |
| Jun 5, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| Jun 5, 4:57 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 93 min |
| Jun 5, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Jun 5, 8:29 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Jun 5, 9:47 PM EDT | Special Weather Statement | PHI | Sussex | 28 min |
| Jun 8, 11:03 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Jun 8, 11:23 AM EDT | Special Weather Statement | PHI | New Castle | 37 min |
| Jun 8, 11:27 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| Jun 8, 12:01 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Jun 8, 12:35 PM EDT | Special Weather Statement | PHI | Sussex | 40 min |
| Jun 8, 2:25 PM EDT | Special Weather Statement | PHI | New Castle | 50 min |
| Jun 16, 1:20 AM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Jun 21, 3:37 AM EDT | Special Weather Statement | PHI | Kent, Sussex | 83 min |
| Jun 21, 12:00 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 90 min |
| Jun 21, 1:06 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 9 hr |
| Jun 21, 1:52 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 53 min |
| Jun 21, 2:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 58 min |
| Jun 21, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 54 min |
| Jun 21, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 65 min |
| Jun 21, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 54 min |
| Jun 21, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 53 min |
| Jun 21, 4:28 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Jun 21, 6:30 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 90 min |
| Jun 21, 6:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 54 min |
| Jun 21, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 40 min |
| Jun 23, 7:15 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jun 23, 7:23 PM EDT | Special Weather Statement | PHI | New Castle | 22 min |
| Jun 23, 7:47 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jun 23, 8:28 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jun 24, 12:57 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 63 min |
| Jun 24, 12:59 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jun 24, 1:41 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Jun 24, 1:55 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Jun 24, 2:05 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jun 24, 2:10 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 50 min |
| Jun 24, 2:59 PM EDT | Special Weather Statement | PHI | Kent | 46 min |
| Jun 24, 3:10 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Jun 24, 3:53 PM EDT | Special Weather Statement | PHI | Sussex | 52 min |
| Jun 28, 12:01 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jun 28, 4:09 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle | 7 hr |
| Jun 28, 7:16 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 59 min |
| Jul 1, 12:51 PM EDT | Mesoscale Discussion | SPC | New Castle | 114 min |
| Jul 1, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 7 hr |
| Jul 1, 4:30 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 45 min |
| Jul 1, 5:05 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Jul 1, 5:43 PM EDT | Mesoscale Discussion | SPC | New Castle | 92 min |
| Jul 4, 3:02 PM EDT | Flash Flood Watch | PHI | Kent, New Castle | 18 hr |
| Jul 5, 2:36 AM EDT | Special Weather Statement | PHI | Kent | 54 min |
| Jul 5, 3:23 AM EDT | Special Weather Statement | PHI | New Castle | 37 min |
| Jul 5, 3:26 AM EDT | Special Weather Statement | PHI | New Castle | 49 min |
| Jul 5, 3:41 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 6 hr |
| Jul 5, 2:55 PM EDT | Excessive Heat Watch | PHI | New Castle | 13 hr |
| Jul 5, 2:55 PM EDT | Heat Advisory | PHI | New Castle | 13 hr |
| Jul 6, 3:40 AM EDT | Excessive Heat Warning | PHI | New Castle | 62 hr |
| Jul 8, 1:30 PM EDT | Special Weather Statement | PHI | New Castle | 3 hr |
| Jul 8, 3:35 PM EDT | Special Weather Statement | PHI | New Castle | 25 min |
| Jul 8, 5:22 PM EDT | Special Weather Statement | PHI | Sussex | 53 min |
| Jul 8, 5:56 PM EDT | Special Weather Statement | PHI | Kent | 34 min |
| Jul 9, 2:38 PM EDT | Special Weather Statement | PHI | Sussex | 22 min |
| Jul 9, 3:13 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Jul 9, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 43 min |
| Jul 9, 3:55 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 50 min |
| Jul 9, 4:11 PM EDT | Special Weather Statement | PHI | New Castle | 34 min |
| Jul 9, 4:15 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 9, 4:47 PM EDT | Special Weather Statement | PHI | New Castle | 43 min |
| Jul 9, 5:31 PM EDT | Special Weather Statement | PHI | New Castle | 29 min |
| Jul 12, 2:45 PM EDT | Excessive Heat Watch | PHI | New Castle | 24 hr |
| Jul 13, 2:16 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jul 13, 2:44 PM EDT | Excessive Heat Warning | PHI | New Castle | 52 hr |
| Jul 13, 2:44 PM EDT | Heat Advisory | PHI | Kent, Sussex | 29 hr |
| Jul 13, 3:02 PM EDT | Flash Flood Warning | PHI | Sussex | 4 hr |
| Jul 13, 4:03 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Jul 13, 4:39 PM EDT | Special Weather Statement | PHI | Sussex | 51 min |
| Jul 13, 5:02 PM EDT | Special Weather Statement | PHI | Sussex | 58 min |
| Jul 16, 8:19 PM EDT | Special Weather Statement | PHI | New Castle | 26 min |
| Jul 18, 11:40 AM EDT | Mesoscale Discussion | SPC | New Castle | 95 min |
| Jul 18, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Jul 18, 3:09 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 66 min |
| Jul 18, 4:04 PM EDT | Special Weather Statement | PHI | New Castle | 56 min |
| Jul 18, 4:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| Jul 18, 4:15 PM EDT | Areal Flood Advisory | PHI | New Castle | 2 hr |
| Jul 18, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 38 min |
| Jul 18, 5:18 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 57 min |
| Jul 18, 5:22 PM EDT | Special Weather Statement | PHI | New Castle | 53 min |
| Jul 18, 6:22 PM EDT | Mesoscale Discussion | SPC | Sussex | 113 min |
| Jul 20, 12:31 AM EDT | Special Weather Statement | PHI | Kent | 44 min |
| Jul 20, 1:11 AM EDT | Special Weather Statement | PHI | Kent | 49 min |
| Jul 20, 1:17 AM EDT | Special Weather Statement | PHI | Kent | 43 min |
| Jul 20, 1:50 AM EDT | Special Weather Statement | PHI | Sussex | 40 min |
| Jul 20, 1:53 AM EDT | Special Weather Statement | PHI | Sussex | 22 min |
| Jul 20, 1:55 AM EDT | Special Weather Statement | PHI | Sussex | 35 min |
| Jul 20, 2:04 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 56 min |
| Jul 20, 2:56 AM EDT | Special Weather Statement | PHI | Sussex | 64 min |
| Jul 20, 3:22 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 33 min |
| Jul 20, 4:11 AM EDT | Special Weather Statement | PHI | Sussex | 49 min |
| Jul 21, 3:34 AM EDT | Excessive Heat Watch | PHI | Kent, New Castle, Sussex | 61 hr |
| Jul 22, 3:35 PM EDT | Excessive Heat Warning | PHI | New Castle | 3 days |
| Jul 22, 3:35 PM EDT | Heat Advisory | PHI | Kent, Sussex | 28 hr |
| Jul 23, 2:34 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Jul 23, 4:12 PM EDT | Heat Advisory | PHI | Kent, Sussex | 50 hr |
| Jul 23, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jul 23, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 28 min |
| Jul 23, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 65 min |
| Jul 23, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 44 min |
| Jul 23, 7:31 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Jul 25, 3:05 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 115 min |
| Jul 25, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Jul 25, 5:02 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 88 min |
| Jul 25, 7:06 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 84 min |
| Jul 25, 8:40 PM EDT | Special Weather Statement | PHI | New Castle | 35 min |
| Jul 26, 12:31 AM EDT | Special Weather Statement | PHI | Sussex | 44 min |
| Jul 26, 9:41 AM EDT | Heat Advisory | PHI | Kent, Sussex | 9 hr |
| Jul 27, 3:53 PM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 42 hr |
| Jul 28, 12:58 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Jul 28, 1:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 40 min |
| Jul 28, 1:24 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 51 min |
| Jul 28, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 11 hr |
| Jul 28, 1:42 PM EDT | Special Weather Statement | PHI | New Castle | 33 min |
| Jul 28, 1:58 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Jul 28, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 47 min |
| Jul 28, 2:36 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 28, 2:44 PM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Jul 28, 3:54 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Jul 28, 4:10 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 95 min |
| Jul 28, 4:38 PM EDT | Special Weather Statement | PHI | Kent | 52 min |
| Jul 28, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 38 min |
| Jul 28, 4:56 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Jul 28, 5:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 51 min |
| Jul 28, 6:12 PM EDT | Special Weather Statement | PHI | Kent | 48 min |
| Jul 28, 6:15 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Jul 28, 6:25 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 65 min |
| Jul 28, 6:52 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 83 min |
| Jul 28, 6:53 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Jul 28, 7:22 PM EDT | Special Weather Statement | PHI | Sussex | 38 min |
| Jul 28, 9:49 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Jul 28, 11:04 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Jul 29, 4:42 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 4 hr |
| Jul 30, 12:11 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 64 min |
| Jul 30, 12:36 PM EDT | Special Weather Statement | PHI | New Castle | 54 min |
| Jul 30, 7:23 PM EDT | River Flood Warning | PHI | New Castle | 11 hr |
| Jul 30, 10:54 PM EDT | Special Weather Statement | PHI | Kent | 36 min |
| Aug 1, 2:55 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 95 min |
| Aug 1, 2:56 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 1, 3:18 PM EDT | Special Weather Statement | PHI | New Castle | 87 min |
| Aug 1, 3:36 PM EDT | Special Weather Statement | PHI | Sussex | 84 min |
| Aug 1, 5:33 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Aug 1, 6:20 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 2, 3:27 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 7 hr |
| Aug 6, 12:54 PM EDT | Mesoscale Discussion | SPC | New Castle | 3 hr |
| Aug 9, 3:04 PM EDT | Excessive Heat Watch | PHI | New Castle | 24 hr |
| Aug 10, 3:20 PM EDT | Excessive Heat Warning | PHI | Kent, New Castle, Sussex | 6 days |
| Aug 11, 11:50 AM EDT | Heat Advisory | PHI | Kent, Sussex | 32 hr |
| Aug 11, 3:24 PM EDT | Excessive Heat Watch | PHI | Kent, Sussex | 37 hr |
| Aug 14, 9:34 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 56 min |
| Aug 14, 9:42 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 49 min |
| Aug 14, 9:49 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Aug 14, 10:36 PM EDT | Special Weather Statement | PHI | Sussex | 24 min |
| Aug 15, 3:21 PM EDT | Heat Advisory | PHI | Kent, Sussex | 29 hr |
| Aug 15, 10:44 PM EDT | Special Weather Statement | PHI | Kent | 61 min |
| Aug 16, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | New Castle | 4 hr |
| Aug 16, 4:55 PM EDT | Mesoscale Discussion | SPC | New Castle | 95 min |
| Aug 16, 6:31 PM EDT | Special Weather Statement | PHI | New Castle | 29 min |
| Aug 17, 4:26 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 64 min |
| Aug 17, 9:46 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 89 min |
| Aug 17, 10:25 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 50 min |
| Aug 17, 10:44 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 61 min |
| Aug 17, 11:16 PM EDT | Special Weather Statement | PHI | Kent | 44 min |
| Aug 17, 11:46 PM EDT | Special Weather Statement | PHI | Sussex | 59 min |
| Aug 18, 10:28 PM EDT | Special Weather Statement | PHI | New Castle | 47 min |
| Aug 21, 2:51 PM EDT | Areal Flood Advisory | PHI | New Castle | 114 min |
| Aug 21, 3:30 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 2 hr |
| Aug 21, 3:47 PM EDT | Areal Flood Advisory | PHI | New Castle | 118 min |
| Aug 21, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Aug 21, 4:15 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 90 min |
| Aug 21, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Aug 21, 5:09 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 4 hr |
| Aug 21, 5:28 PM EDT | Special Weather Statement | PHI | Kent | 17 min |
| Aug 21, 5:46 PM EDT | Special Weather Statement | PHI | Sussex | 14 min |
| Aug 21, 5:54 PM EDT | Special Weather Statement | PHI | Sussex | 36 min |
| Aug 21, 6:31 PM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Aug 21, 6:35 PM EDT | Areal Flood Advisory | PHI | Kent | 3 hr |
| Aug 21, 7:04 PM EDT | Special Weather Statement | PHI | Sussex | 26 min |
| Aug 29, 6:05 AM EDT | Beach Hazards Statement | PHI | Sussex | 4 days |
| Aug 31, 5:00 AM EDT | Tropical Storm Warning | NHC | Kent, New Castle, Sussex | 10 days |
| Aug 31, 8:05 PM EDT | Special Weather Statement | PHI | New Castle | 40 min |
| Sep 1, 1:20 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Sep 1, 4:40 PM EDT | Tropical Storm Watch | PHI | Sussex | 43 hr |
| Sep 2, 5:41 PM EDT | Tropical Storm Warning | PHI | Kent, New Castle, Sussex | 4 days |
| Sep 4, 5:04 PM EDT | Coastal Flood Warning | PHI | Kent, Sussex | 14 hr |
| Sep 4, 5:04 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 22 hr |
| Sep 5, 3:24 PM EDT | Rip Current Statement | PHI | Sussex | 38 hr |
| Sep 6, 11:04 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Sep 7, 11:50 AM EDT | Heat Advisory | PHI | Kent, New Castle, Sussex | 3 days |
| Sep 16, 11:32 AM EDT | Rip Current Statement | PHI | Sussex | 8 hr |
| Sep 19, 6:07 AM EDT | Special Weather Statement | PHI | Kent | 38 min |
| Sep 19, 6:28 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Sep 19, 12:34 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 8 hr |
| Sep 28, 3:48 PM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 43 hr |
| Sep 28, 5:38 PM EDT | Rip Current Statement | PHI | Sussex | 48 hr |
| Sep 29, 12:21 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 8 hr |
| Sep 29, 1:38 AM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Sep 29, 2:13 AM EDT | Flash Flood Warning | PHI | Sussex | 9 hr |
| Sep 29, 2:18 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Sep 29, 4:28 AM EDT | Flash Flood Warning | PHI | Kent, Sussex | 5 hr |
| Sep 29, 5:08 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 8 hr |
| Sep 29, 6:14 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Sep 29, 10:27 AM EDT | Coastal Flood Warning | PHI | Kent, Sussex | 15 hr |
| Sep 29, 12:59 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Sep 29, 1:22 PM EDT | Coastal Flood Advisory | PHI | New Castle | 12 hr |
| Sep 29, 2:32 PM EDT | Areal Flood Warning | PHI | Sussex | 15 hr |
| Sep 29, 2:45 PM EDT | Wind Advisory | PHI | Sussex | 20 hr |
| Sep 29, 7:27 PM EDT | Areal Flood Advisory | PHI | Kent | 9 hr |
| Sep 30, 1:40 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 13 hr |
| Sep 30, 2:40 AM EDT | Areal Flood Warning | PHI | Kent | 4 hr |
| Sep 30, 3:34 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Sep 30, 4:09 AM EDT | River Flood Warning | PHI | New Castle | 13 hr |
| Sep 30, 5:29 AM EDT | Areal Flood Warning | PHI | Sussex | 4 hr |
| Sep 30, 6:44 AM EDT | Areal Flood Warning | PHI | Kent | 4 hr |
| Sep 30, 7:24 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Sep 30, 9:02 AM EDT | Areal Flood Warning | PHI | Sussex | 39 hr |
| Sep 30, 10:30 AM EDT | Areal Flood Warning | PHI | Kent | 4 hr |
| Sep 30, 2:29 PM EDT | Areal Flood Warning | PHI | Kent | 19 hr |
| Sep 30, 3:03 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 20 hr |
| Sep 30, 6:04 PM EDT | Rip Current Statement | PHI | Sussex | 3 hr |
| Oct 8, 9:33 AM EDT | Flash Flood Watch | PHI | Kent, Sussex | 26 hr |
| Oct 8, 8:20 PM EDT | Wind Advisory | PHI | Kent, Sussex | 31 hr |
| Oct 9, 12:50 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 8 hr |
| Oct 9, 4:46 AM EDT | Areal Flood Warning | PHI | Kent, Sussex | 8 hr |
| Oct 9, 7:36 AM EDT | Areal Flood Warning | PHI | Sussex | 5 hr |
| Oct 9, 9:07 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Oct 9, 4:16 PM EDT | Areal Flood Warning | PHI | Kent, Sussex | 9 hr |
| Oct 9, 9:41 PM EDT | Areal Flood Warning | PHI | Kent, Sussex | 12 hr |
| Oct 24, 2:29 PM EDT | Freeze Watch | PHI | New Castle | 13 hr |
| Oct 25, 3:54 AM EDT | Frost Advisory | PHI | Kent, Sussex | 29 hr |
| Oct 25, 3:54 AM EDT | Freeze Warning | PHI | New Castle | 29 hr |
| Oct 30, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Oct 30, 5:54 PM EDT | Special Weather Statement | PHI | New Castle | 51 min |
| Nov 6, 5:46 PM EST | Frost Advisory | PHI | New Castle | 13 hr |
| Nov 7, 3:42 PM EST | Frost Advisory | PHI | Kent, New Castle, Sussex | 16 hr |
| Nov 11, 3:26 PM EST | Freeze Watch | PHI | Kent, New Castle, Sussex | 23 hr |
| Nov 11, 4:45 PM EST | Frost Advisory | PHI | Kent, New Castle, Sussex | 15 hr |
| Nov 12, 2:31 PM EST | Freeze Warning | PHI | Kent, New Castle, Sussex | 17 hr |
| Nov 19, 3:42 AM EST | Wind Advisory | PHI | Kent, New Castle, Sussex | 63 hr |
| Nov 30, 3:14 AM EST | Dense Fog Advisory | PHI | Kent, New Castle, Sussex | 8 hr |
| Nov 30, 8:17 PM EST | Special Weather Statement | PHI | New Castle | 28 min |
| Nov 30, 10:32 PM EST | Special Weather Statement | PHI | New Castle | 28 min |
| Dec 16, 3:45 AM EST | Winter Weather Advisory | PHI | Kent, New Castle, Sussex | 37 hr |
| Dec 17, 4:21 AM EST | Mesoscale Discussion | SPC | New Castle | 5 hr |
| Dec 17, 7:28 PM EST | Dense Fog Advisory | PHI | Kent, New Castle, Sussex | 11 hr |
| Dec 18, 1:29 PM EST | Special Weather Statement | PHI | New Castle | 2 hr |
| Dec 18, 2:47 PM EST | Special Weather Statement | PHI | Kent | 58 min |
| Dec 18, 3:52 PM EST | Special Weather Statement | PHI | Sussex | 38 min |
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 archive20152017
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.