Alert archive / Delaware / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Delaware, 2026

22 severe thunderstorm watches in 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 watches reaches back to 1997.

Severe Thunderstorm Watches by county

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

Severe Thunderstorm Watches
22
Busiest month
July7 severe thunderstorm watches
Busiest day
July 28, 20262 severe thunderstorm watches

Over time

By month

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, 7:03 PM EDTSevere Thunderstorm WatchSPCKent, New Castle3 hr
Mar 16, 8:15 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex4 hr
May 20, 2:10 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Jun 6, 4:45 PM EDTSevere Thunderstorm WatchSPCKent, New Castle5 hr
Jun 11, 7:14 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex5 hr
Jun 14, 7:06 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex6 hr
Jun 22, 2:08 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex8 hr
Jun 23, 11:45 AM EDTSevere Thunderstorm WatchSPCSussex8 hr
Jul 3, 3:25 PM EDTSevere Thunderstorm WatchSPCNew Castle7 hr
Jul 4, 3:28 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Jul 5, 6:44 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex6 hr
Jul 9, 2:30 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Jul 21, 2:46 PM EDTSevere Thunderstorm WatchSPCKent, Sussex11 hr
Jul 28, 12:51 PM EDTSevere Thunderstorm WatchSPCNew Castle8 hr
Jul 28, 2:48 PM EDTSevere Thunderstorm WatchSPCKent, Sussex9 hr
Aug 7, 1:22 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Aug 8, 1:12 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex5 hr
Aug 10, 2:10 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex6 hr
Aug 20, 2:31 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Aug 27, 12:51 PM EDTSevere Thunderstorm WatchSPCKent, New Castle9 hr
Sep 1, 4:32 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Sep 3, 8:38 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex5 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 28, 20262severe thunderstorm watches
  2. March 11, 20261severe thunderstorm watches
  3. March 17, 20261severe thunderstorm watches
  4. May 20, 20261severe thunderstorm watches
  5. June 6, 20261severe thunderstorm watches
  6. June 11, 20261severe thunderstorm watches
  7. June 14, 20261severe thunderstorm watches
  8. June 22, 20261severe thunderstorm watches
  9. June 23, 20261severe thunderstorm watches
  10. July 3, 20261severe thunderstorm watches
  11. July 4, 20261severe thunderstorm watches
  12. July 5, 20261severe thunderstorm watches

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.