Tornado Warnings in Delaware

114 tornado warnings since 1986. 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 tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Tornado Warnings: 114
Busiest year: 202015 tornado warnings
Average year: 4over 28 years on file

Over time

By year

Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.

By month of the year

By county

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

The latest tornado warnings

The most recent on file, newest first.

Issued	Product	Office	Counties	Lasted
Aug 20, 6:03 PM EDT	Tornado Warning	PHI	Kent	42 min
Aug 20, 5:39 PM EDT	Tornado Warning	PHI	Kent	36 min
Aug 20, 4:16 PM EDT	Tornado Warning	PHI	Kent	29 min
Jul 28, 8:08 PM EDT	Tornado Warning	PHI	Sussex	26 min
Jul 28, 6:46 PM EDT	Tornado Warning	PHI	New Castle	29 min
Jul 28, 6:16 PM EDT	Tornado Warning	PHI	New Castle	29 min
Jul 18, 6:27 PM EDT	Tornado Warning	PHI	Sussex	33 min
Jun 22, 8:23 PM EDT	Tornado Warning	PHI	Sussex	22 min
Mar 16, 10:44 PM EDT	Tornado Warning	PHI	Kent	18 min
Mar 16, 10:35 PM EDT	Tornado Warning	PHI	Kent	25 min
Mar 16, 10:23 PM EDT	Tornado Warning	PHI	Kent	37 min

Nearby

Alerts in force now Tornadoes on record The radar archive

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.