Alert archive / Delaware / 2020
Weather alerts in Delaware, August 2020
136 weather alerts in August 2020, 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 August 2020. Tap one for its archive.
- Alerts
- 136
- Warnings
- 61
- Watches
- 8
- Advisories
- 20
- Busiest day
- August 4, 202021 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 1, 3:20 PM EDT | Heat Advisory | PHI | Kent, New Castle, Sussex | 29 hr |
| Aug 1, 7:05 PM EDT | Mesoscale Discussion | SPC | Kent | 115 min |
| Aug 2, 3:33 PM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 48 hr |
| Aug 2, 5:04 PM EDT | Tropical Storm Watch | PHI | Kent, New Castle, Sussex | 18 hr |
| Aug 2, 8:00 PM EDT | Special Weather Statement | PHI | Kent | 30 min |
| Aug 2, 8:53 PM EDT | Rip Current Statement | PHI | Sussex | 51 hr |
| Aug 2, 8:53 PM EDT | High Surf Advisory | PHI | Sussex | 51 hr |
| Aug 3, 5:08 AM EDT | Tropical Storm Warning | PHI | Kent, New Castle, Sussex | 39 hr |
| Aug 3, 3:05 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Aug 3, 3:27 PM EDT | Special Weather Statement | PHI | Sussex | 48 min |
| Aug 3, 4:26 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 38 hr |
| Aug 4, 1:41 AM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 3 hr |
| Aug 4, 2:26 AM EDT | Tornado Watch | SPC | Kent, New Castle, Sussex | 9 hr |
| Aug 4, 4:50 AM EDT | Tornado Warning | PHI | Sussex | 25 min |
| Aug 4, 5:15 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 3 hr |
| Aug 4, 5:17 AM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Aug 4, 7:28 AM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Aug 4, 7:39 AM EDT | Tornado Warning | PHI | Sussex | 36 min |
| Aug 4, 7:51 AM EDT | Tornado Warning | PHI | Sussex | 24 min |
| Aug 4, 8:15 AM EDT | Tornado Warning | PHI | Kent | 45 min |
| Aug 4, 8:18 AM EDT | Tornado Warning | PHI | Sussex | 27 min |
| Aug 4, 8:27 AM EDT | Tornado Warning | PHI | Kent | 33 min |
| Aug 4, 8:56 AM EDT | Tornado Warning | PHI | Kent, New Castle | 34 min |
| Aug 4, 8:58 AM EDT | Flash Flood Warning | PHI | Kent, New Castle, Sussex | 3 hr |
| Aug 4, 9:06 AM EDT | River Flood Warning | PHI | New Castle | 11 hr |
| Aug 4, 9:23 AM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Aug 4, 9:23 AM EDT | Tornado Warning | PHI | New Castle | 22 min |
| Aug 4, 10:02 AM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Aug 4, 10:38 AM EDT | River Flood Warning | PHI | New Castle | 14 hr |
| Aug 4, 12:27 PM EDT | River Flood Warning | PHI | New Castle | 10 hr |
| Aug 4, 12:48 PM EDT | River Flood Warning | PHI | New Castle | 24 hr |
| Aug 4, 1:59 PM EDT | Areal Flood Warning | PHI | New Castle | 9 hr |
| Aug 4, 8:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Aug 4, 9:00 PM EDT | Special Weather Statement | PHI | Kent | 30 min |
| Aug 4, 10:25 PM EDT | Special Weather Statement | PHI | New Castle | 50 min |
| Aug 6, 3:37 AM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 44 hr |
| Aug 6, 5:56 AM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 2 hr |
| Aug 6, 6:13 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 62 min |
| Aug 6, 6:43 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Aug 6, 6:49 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 41 min |
| Aug 6, 7:13 AM EDT | Flash Flood Warning | PHI | Kent, New Castle | 3 hr |
| Aug 6, 7:13 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| Aug 6, 7:18 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 42 min |
| Aug 6, 7:46 AM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Aug 6, 8:16 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 44 min |
| Aug 7, 1:30 PM EDT | Mesoscale Discussion | SPC | New Castle | 3 hr |
| Aug 7, 5:03 PM EDT | Flash Flood Warning | PHI | New Castle | 5 hr |
| Aug 7, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Aug 7, 5:49 PM EDT | Tornado Warning | PHI | New Castle | 26 min |
| Aug 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| Aug 7, 6:00 PM EDT | Tornado Warning | PHI | New Castle | 30 min |
| Aug 7, 6:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 63 min |
| Aug 7, 6:43 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Aug 7, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 41 min |
| Aug 7, 7:21 PM EDT | Flash Flood Warning | PHI | Kent, New Castle | 5 hr |
| Aug 7, 7:28 PM EDT | River Flood Warning | PHI | New Castle | 2 hr |
| Aug 7, 7:36 PM EDT | Special Weather Statement | PHI | Kent | 39 min |
| Aug 7, 8:00 PM EDT | River Flood Warning | PHI | New Castle | 8 hr |
| Aug 7, 8:17 PM EDT | Special Weather Statement | PHI | Kent | 58 min |
| Aug 7, 8:35 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 7, 9:44 PM EDT | Areal Flood Warning | PHI | New Castle | 7 hr |
| Aug 7, 11:27 PM EDT | River Flood Warning | PHI | New Castle | 6 hr |
| Aug 9, 2:25 PM EDT | Special Weather Statement | PHI | New Castle | 65 min |
| Aug 11, 3:48 PM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 28 hr |
| Aug 12, 12:43 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Aug 12, 12:55 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Aug 12, 12:55 PM EDT | Special Weather Statement | PHI | Kent | 35 min |
| Aug 12, 1:06 PM EDT | Flash Flood Warning | PHI | Kent, New Castle | 3 hr |
| Aug 12, 1:15 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Aug 12, 1:37 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Aug 12, 1:54 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 51 min |
| Aug 12, 2:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 52 min |
| Aug 12, 2:40 PM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Aug 12, 3:06 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
| Aug 12, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 45 min |
| Aug 12, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 29 min |
| Aug 12, 3:31 PM EDT | Flash Flood Warning | PHI | Kent | 3 hr |
| Aug 12, 3:46 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 3 hr |
| Aug 12, 4:00 PM EDT | Special Weather Statement | PHI | Kent | 30 min |
| Aug 13, 3:02 AM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 17 hr |
| Aug 13, 11:46 AM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Aug 13, 11:56 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
| Aug 13, 12:22 PM EDT | Special Weather Statement | PHI | Sussex | 38 min |
| Aug 15, 3:30 PM EDT | Rip Current Statement | PHI | Sussex | 30 hr |
| Aug 16, 5:14 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 22 hr |
| Aug 16, 10:52 PM EDT | Coastal Flood Statement | PHI | Sussex | 4 hr |
| Aug 17, 5:08 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 23 hr |
| Aug 17, 10:44 AM EDT | Rip Current Statement | PHI | Sussex | 11 hr |
| Aug 17, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 37 min |
| Aug 17, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 16 min |
| Aug 17, 11:51 PM EDT | Coastal Flood Statement | PHI | Sussex | 4 hr |
| Aug 19, 7:44 AM EDT | Special Weather Statement | PHI | Sussex | 46 min |
| Aug 19, 8:26 AM EDT | Special Weather Statement | PHI | Sussex | 34 min |
| Aug 19, 9:23 AM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| Aug 19, 10:45 AM EDT | Special Weather Statement | PHI | Sussex | 45 min |
| Aug 23, 1:45 PM EDT | Special Weather Statement | PHI | New Castle | 60 min |
| Aug 23, 2:07 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Aug 23, 2:40 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Aug 23, 3:08 PM EDT | Special Weather Statement | PHI | New Castle | 37 min |
| Aug 23, 8:30 PM EDT | Special Weather Statement | PHI | New Castle | 30 min |
| Aug 23, 8:42 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| Aug 23, 8:48 PM EDT | Special Weather Statement | PHI | New Castle | 27 min |
| Aug 23, 9:14 PM EDT | Special Weather Statement | PHI | New Castle | 31 min |
| Aug 25, 3:10 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 95 min |
| Aug 25, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 7 hr |
| Aug 25, 5:35 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| Aug 25, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| Aug 25, 6:31 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 19 min |
| Aug 25, 7:07 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 113 min |
| Aug 25, 7:15 PM EDT | Special Weather Statement | PHI | Kent | 45 min |
| Aug 25, 9:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 48 min |
| Aug 27, 6:35 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 115 min |
| Aug 27, 7:12 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 48 min |
| Aug 27, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 35 min |
| Aug 28, 9:55 AM EDT | Mesoscale Discussion | SPC | New Castle | 3 hr |
| Aug 28, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 8 hr |
| Aug 28, 1:53 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Aug 28, 2:40 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 50 min |
| Aug 28, 3:15 PM EDT | Special Weather Statement | PHI | New Castle | 30 min |
| Aug 28, 3:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 24 min |
| Aug 28, 3:41 PM EDT | Special Weather Statement | PHI | New Castle | 34 min |
| Aug 28, 3:50 PM EDT | Mesoscale Discussion | SPC | New Castle | 85 min |
| Aug 28, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 53 min |
| Aug 28, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Aug 28, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 66 min |
| Aug 28, 5:40 PM EDT | Special Weather Statement | PHI | Kent | 35 min |
| Aug 28, 6:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 43 min |
| Aug 28, 7:50 PM EDT | Mesoscale Discussion | SPC | Sussex | 2 hr |
| Aug 28, 7:53 PM EDT | Special Weather Statement | PHI | Sussex | 37 min |
| Aug 29, 12:58 AM EDT | Special Weather Statement | PHI | Sussex | 32 min |
| Aug 29, 8:16 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| Aug 29, 12:08 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 3 hr |
| Aug 29, 2:02 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
| Aug 29, 2:38 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 26 min |
| Aug 29, 2:49 PM EDT | Special Weather Statement | PHI | New Castle | 41 min |
| Aug 29, 9:46 PM EDT | Special Weather Statement | PHI | Kent | 59 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.
Nearby
Alerts in force nowTornadoes on recordThe 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.