Alert archive / Delaware / 2021
Weather alerts in Delaware, September 2021
43 weather alerts in September 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 September 2021. Tap one for its archive.
- Alerts
- 43
- Warnings
- 21
- Watches
- 3
- Advisories
- 6
- Busiest day
- September 1, 202121 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 |
|---|---|---|---|---|
| Sep 1, 4:01 AM EDT | Mesoscale Discussion | SPC | New Castle | 119 min |
| Sep 1, 6:19 AM EDT | Areal Flood Advisory | PHI | New Castle | 116 min |
| Sep 1, 6:49 AM EDT | Flash Flood Warning | PHI | New Castle | 86 min |
| Sep 1, 8:03 AM EDT | River Flood Warning | PHI | New Castle | 4 hr |
| Sep 1, 11:03 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Sep 1, 12:40 PM EDT | Tornado Watch | SPC | Kent, New Castle, Sussex | 9 hr |
| Sep 1, 2:53 PM EDT | Flash Flood Warning | PHI | New Castle | 9 hr |
| Sep 1, 3:09 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 3 hr |
| Sep 1, 4:28 PM EDT | Mesoscale Discussion | SPC | New Castle | 2 hr |
| Sep 1, 4:59 PM EDT | Tornado Warning | PHI | Kent, Sussex | 46 min |
| Sep 1, 5:01 PM EDT | Tornado Warning | PHI | Kent, New Castle | 44 min |
| Sep 1, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 44 min |
| Sep 1, 5:26 PM EDT | Flash Flood Warning | PHI | New Castle | 9 hr |
| Sep 1, 5:35 PM EDT | Tornado Warning | PHI | Kent, New Castle | 25 min |
| Sep 1, 6:03 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 42 min |
| Sep 1, 6:08 PM EDT | River Flood Warning | PHI | New Castle | 18 hr |
| Sep 1, 6:15 PM EDT | River Flood Warning | PHI | New Castle | 9 hr |
| Sep 1, 6:24 PM EDT | Tornado Warning | PHI | New Castle | 16 min |
| Sep 1, 6:38 PM EDT | River Flood Warning | PHI | New Castle | 28 hr |
| Sep 1, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 63 min |
| Sep 1, 7:44 PM EDT | River Flood Warning | PHI | New Castle | 11 hr |
| Sep 1, 10:23 PM EDT | Coastal Flood Statement | PHI | Sussex | 13 hr |
| Sep 1, 11:38 PM EDT | Areal Flood Warning | PHI | New Castle | 10 hr |
| Sep 2, 2:23 AM EDT | Areal Flood Warning | PHI | New Castle | 9 hr |
| Sep 7, 2:33 PM EDT | Flash Flood Watch | PHI | New Castle | 37 hr |
| Sep 7, 8:12 PM EDT | Rip Current Statement | PHI | Sussex | 4 days |
| Sep 9, 12:58 AM EDT | Special Weather Statement | PHI | New Castle | 32 min |
| Sep 9, 1:12 AM EDT | Areal Flood Advisory | PHI | New Castle | 62 min |
| Sep 9, 5:37 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 3 hr |
| Sep 16, 3:19 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Sep 16, 9:11 PM EDT | Rip Current Statement | PHI | Sussex | 47 hr |
| Sep 21, 4:59 AM EDT | Rip Current Statement | PHI | Sussex | 4 days |
| Sep 22, 3:24 AM EDT | Flash Flood Watch | PHI | New Castle | 41 hr |
| Sep 22, 5:01 PM EDT | Coastal Flood Advisory | PHI | New Castle | 22 hr |
| Sep 22, 6:14 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 2 hr |
| Sep 23, 3:13 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 5 hr |
| Sep 23, 10:30 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Sep 23, 11:11 AM EDT | Special Weather Statement | PHI | New Castle | 64 min |
| Sep 23, 11:33 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Sep 23, 11:42 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 33 min |
| Sep 23, 11:57 AM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Sep 23, 12:12 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| Sep 28, 7:29 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 31 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.