Alert archive / Delaware / Severe Thunderstorm Warnings / 2021

Severe Thunderstorm Warnings in Delaware, July 2021

17 severe thunderstorm warnings in July 2021. 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 July 2021. Tap one for its archive.

Severe Thunderstorm Warnings
17
Busiest day
July 1, 20216 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
Jul 1, 3:50 PM EDTSevere Thunderstorm WarningPHINew Castle40 min
Jul 1, 4:08 PM EDTSevere Thunderstorm WarningPHISussex52 min
Jul 1, 4:08 PM EDTSevere Thunderstorm WarningPHIKent52 min
Jul 1, 4:27 PM EDTSevere Thunderstorm WarningPHINew Castle48 min
Jul 1, 4:32 PM EDTSevere Thunderstorm WarningPHIKent, New Castle, Sussex43 min
Jul 1, 5:12 PM EDTSevere Thunderstorm WarningPHIKent, Sussex48 min
Jul 9, 5:17 PM EDTSevere Thunderstorm WarningPHINew Castle43 min
Jul 9, 6:19 PM EDTSevere Thunderstorm WarningPHINew Castle41 min
Jul 9, 6:57 PM EDTSevere Thunderstorm WarningPHINew Castle63 min
Jul 12, 7:06 PM EDTSevere Thunderstorm WarningPHINew Castle69 min
Jul 17, 7:59 PM EDTSevere Thunderstorm WarningPHIKent46 min
Jul 17, 9:27 PM EDTSevere Thunderstorm WarningPHINew Castle48 min
Jul 17, 10:55 PM EDTSevere Thunderstorm WarningPHIKent50 min
Jul 21, 3:27 PM EDTSevere Thunderstorm WarningPHINew Castle33 min
Jul 21, 4:50 PM EDTSevere Thunderstorm WarningPHIKent, Sussex25 min
Jul 26, 1:05 AM EDTSevere Thunderstorm WarningPHIKent, New Castle40 min
Jul 29, 2:43 PM EDTSevere Thunderstorm WarningPHISussex62 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 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.