Alert archive / Delaware / Severe Thunderstorm Warnings / 2026

Severe Thunderstorm Warnings in Delaware, March 2026

6 severe thunderstorm warnings in March 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in March 2026. Tap one for its archive.

Severe Thunderstorm Warnings
6
Busiest day
March 17, 20264 severe thunderstorm warnings

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
Mar 11, 7:48 PM EDTSevere Thunderstorm WarningPHIKent, New Castle42 min
Mar 11, 8:28 PM EDTSevere Thunderstorm WarningPHIKent, New Castle47 min
Mar 16, 10:07 PM EDTSevere Thunderstorm WarningPHINew Castle53 min
Mar 16, 10:13 PM EDTSevere Thunderstorm WarningPHIKent, New Castle, Sussex62 min
Mar 16, 10:24 PM EDTSevere Thunderstorm WarningPHISussex62 min
Mar 16, 10:39 PM EDTSevere Thunderstorm Warning Considerable damage threatPHINew Castle51 min

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 archive2025

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.