Alert archive / Delaware / 2025
Weather alerts in Delaware, September 2025
14 weather alerts in September 2025, 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 2025. Tap one for its archive.
- Alerts
- 14
- Warnings
- 1
- Watches
- 1
- Advisories
- 5
- Busiest day
- September 6, 20254 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 6, 11:56 AM EDT | Mesoscale Discussion | SPC | New Castle | 94 min |
| Sep 6, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle | 7 hr |
| Sep 6, 5:34 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 56 min |
| Sep 6, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 32 min |
| Sep 8, 11:22 AM EDT | Rip Current Statement | PHI | Sussex | 3 days |
| Sep 9, 12:40 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 52 hr |
| Sep 15, 5:19 AM EDT | Rip Current Statement | PHI | Sussex | 63 hr |
| Sep 15, 5:24 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 28 hr |
| Sep 16, 3:01 PM EDT | Wind Advisory | PHI | Sussex | 5 hr |
| Sep 17, 5:05 AM EDT | Coastal Flood Advisory | PHI | Sussex | 11 hr |
| Sep 20, 4:34 PM EDT | Rip Current Statement | PHI | Sussex | 4 days |
| Sep 25, 3:22 PM EDT | Mesoscale Discussion | SPC | New Castle | 113 min |
| Sep 29, 4:11 AM EDT | Rip Current Statement | PHI | Sussex | 39 hr |
| Sep 30, 5:49 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 32 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 4 |
| Rip Current Statement | 4 |
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 archive20242026
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.