Alert archive / Delaware / 2025

Weather alerts in Delaware, October 2025

17 weather alerts in October 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 October 2025. Tap one for its archive.

Alerts
17
Warnings
2
Watches
2
Advisories
12
Busiest day
October 11, 20253 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.

IssuedProductOfficeCountiesLasted
Oct 2, 6:06 AM EDTCoastal Flood AdvisoryPHISussex16 hr
Oct 8, 5:21 AM EDTCoastal Flood AdvisoryPHIKent, Sussex4 days
Oct 9, 5:14 AM EDTCoastal Flood WatchPHIKent, New Castle, Sussex46 hr
Oct 9, 2:08 PM EDTHigh Wind WatchPHISussex48 hr
Oct 11, 3:19 AM EDTCoastal Flood WarningPHIKent, New Castle, Sussex3 days
Oct 11, 1:56 PM EDTHigh Wind WarningPHISussex42 hr
Oct 11, 1:56 PM EDTWind AdvisoryPHISussex42 hr
Oct 13, 7:55 PM EDTCoastal Flood AdvisoryPHIKent, Sussex37 hr
Oct 18, 9:27 AM EDTCoastal Flood AdvisoryPHISussex53 hr
Oct 24, 10:37 AM EDTFrost AdvisoryPHIKent, New Castle, Sussex22 hr
Oct 25, 2:16 PM EDTFrost AdvisoryPHIKent, New Castle, Sussex19 hr
Oct 26, 2:50 PM EDTFrost AdvisoryPHIKent, New Castle, Sussex18 hr
Oct 27, 2:40 PM EDTFrost AdvisoryPHIKent, New Castle, Sussex18 hr
Oct 28, 10:52 AM EDTCoastal Flood AdvisoryPHIKent, New Castle, Sussex3 days
Oct 29, 2:08 PM EDTWind AdvisoryPHISussex25 hr
Oct 30, 2:52 PM EDTWind AdvisoryPHIKent, New Castle, Sussex30 hr
Oct 30, 3:16 PM EDTMesoscale DiscussionSPCKent, New Castle, Sussex119 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 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. Warning verification from the Mesonet's Cow. Rebuilt daily.