Alert archive / Delaware / 2021
Weather alerts in Delaware, August 2021
76 weather alerts in August 2021, 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 2021. Tap one for its archive.
- Alerts
- 76
- Warnings
- 22
- Watches
- 6
- Advisories
- 21
- Busiest day
- August 13, 202110 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 7, 9:49 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 5 hr |
| Aug 9, 2:10 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Aug 9, 2:41 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 3 hr |
| Aug 9, 3:01 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 2 hr |
| Aug 9, 3:43 PM EDT | Excessive Heat Watch | PHI | New Castle | 12 hr |
| Aug 9, 4:35 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 40 min |
| Aug 9, 4:36 PM EDT | Areal Flood Advisory | PHI | New Castle | 104 min |
| Aug 9, 4:59 PM EDT | Flash Flood Warning | PHI | Kent | 79 min |
| Aug 9, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 20 min |
| Aug 10, 3:33 AM EDT | Excessive Heat Warning | PHI | New Castle | 4 days |
| Aug 10, 3:33 AM EDT | Heat Advisory | PHI | Kent, Sussex | 4 days |
| Aug 10, 2:30 PM EDT | Mesoscale Discussion | SPC | New Castle | 3 hr |
| Aug 10, 7:54 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 51 min |
| Aug 10, 8:11 PM EDT | Special Weather Statement | PHI | New Castle | 34 min |
| Aug 10, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 42 min |
| Aug 10, 9:09 PM EDT | Special Weather Statement | PHI | Sussex | 36 min |
| Aug 11, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle | 6 hr |
| Aug 11, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| Aug 11, 6:44 PM EDT | Mesoscale Discussion | SPC | New Castle | 91 min |
| Aug 11, 7:04 PM EDT | Areal Flood Advisory | PHI | New Castle | 2 hr |
| Aug 11, 7:11 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| Aug 13, 3:21 PM EDT | Special Weather Statement | PHI | Sussex | 24 min |
| Aug 13, 6:02 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 58 min |
| Aug 13, 6:04 PM EDT | Special Weather Statement | PHI | Sussex | 26 min |
| Aug 13, 6:45 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 30 min |
| Aug 13, 6:47 PM EDT | Special Weather Statement | PHI | Sussex | 43 min |
| Aug 13, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 37 min |
| Aug 13, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 33 min |
| Aug 13, 7:30 PM EDT | Special Weather Statement | PHI | Sussex | 45 min |
| Aug 13, 7:43 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| Aug 13, 7:57 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 93 min |
| Aug 13, 8:04 PM EDT | Special Weather Statement | PHI | Sussex | 41 min |
| Aug 13, 8:28 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Aug 13, 8:40 PM EDT | Areal Flood Advisory | PHI | Sussex | 62 min |
| Aug 14, 11:34 PM EDT | Areal Flood Advisory | PHI | Kent | 116 min |
| Aug 15, 12:36 AM EDT | Flash Flood Warning | PHI | Kent | 3 hr |
| Aug 17, 12:11 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Aug 17, 1:25 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Aug 17, 1:31 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Aug 17, 1:46 PM EDT | River Flood Warning | PHI | New Castle | 3 hr |
| Aug 17, 1:56 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Aug 17, 2:06 PM EDT | River Flood Warning | PHI | New Castle | 4 hr |
| Aug 17, 2:49 PM EDT | Flash Flood Warning | PHI | Kent, New Castle | 91 min |
| Aug 19, 3:22 PM EDT | Flash Flood Watch | PHI | Kent, Sussex | 23 hr |
| Aug 19, 8:15 PM EDT | Rip Current Statement | PHI | Sussex | 3 days |
| Aug 20, 6:39 AM EDT | Areal Flood Advisory | PHI | Kent | 8 hr |
| Aug 20, 6:46 AM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Aug 20, 8:18 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 117 min |
| Aug 21, 3:09 AM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Aug 21, 3:26 AM EDT | Coastal Flood Advisory | PHI | Sussex | 22 hr |
| Aug 21, 3:27 AM EDT | Flood Watch | PHI | New Castle | 53 hr |
| Aug 22, 9:41 AM EDT | Areal Flood Advisory | PHI | Kent | 2 hr |
| Aug 22, 9:57 AM EDT | Special Weather Statement | PHI | Kent | 33 min |
| Aug 22, 10:24 AM EDT | Special Weather Statement | PHI | Kent | 51 min |
| Aug 22, 10:37 AM EDT | Special Weather Statement | PHI | Sussex | 53 min |
| Aug 22, 10:52 AM EDT | Special Weather Statement | PHI | Sussex | 38 min |
| Aug 23, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 31 min |
| Aug 25, 2:13 PM EDT | Heat Advisory | PHI | New Castle | 53 hr |
| Aug 26, 2:36 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 43 min |
| Aug 26, 3:30 PM EDT | Flash Flood Watch | PHI | New Castle | 48 hr |
| Aug 27, 3:48 PM EDT | Areal Flood Advisory | PHI | New Castle | 102 min |
| Aug 27, 5:11 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Aug 27, 5:39 PM EDT | Special Weather Statement | PHI | New Castle | 36 min |
| Aug 27, 6:10 PM EDT | Areal Flood Advisory | PHI | New Castle | 2 hr |
| Aug 27, 8:29 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Aug 27, 8:57 PM EDT | Special Weather Statement | PHI | Kent | 33 min |
| Aug 27, 9:04 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 41 min |
| Aug 27, 9:09 PM EDT | Special Weather Statement | PHI | New Castle | 36 min |
| Aug 27, 9:44 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Aug 28, 12:08 AM EDT | Special Weather Statement | PHI | Sussex | 37 min |
| Aug 30, 5:00 AM EDT | Flash Flood Watch | PHI | Kent, New Castle, Sussex | 71 hr |
| Aug 30, 3:44 PM EDT | Special Weather Statement | PHI | New Castle | 31 min |
| Aug 30, 4:14 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Aug 30, 4:51 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 84 min |
| Aug 30, 6:02 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 28 min |
| Aug 30, 9:09 PM EDT | Special Weather Statement | PHI | Kent | 36 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 archive20202022
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.