Alert archive / Delaware / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Delaware, 2009

12 severe thunderstorm watches in 2009. 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 2009. Tap one for its archive.

Severe Thunderstorm Watches
12
Busiest month
June4 severe thunderstorm watches
Busiest day
August 9, 20092 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
May 9, 6:25 PM EDTSevere Thunderstorm WatchSPCSussex4 hr
May 29, 1:26 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex8 hr
Jun 2, 1:58 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex6 hr
Jun 3, 1:06 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex9 hr
Jun 18, 2:21 PM EDTSevere Thunderstorm WatchSPCKent, Sussex9 hr
Jun 26, 2:42 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Jul 26, 2:07 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Jul 29, 12:49 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex8 hr
Jul 31, 1:18 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 hr
Aug 9, 3:18 PM EDTSevere Thunderstorm WatchSPCNew Castle5 hr
Aug 9, 5:33 PM EDTSevere Thunderstorm WatchSPCKent, Sussex4 hr
Aug 21, 12:36 PM EDTSevere Thunderstorm WatchSPCKent, New Castle, Sussex7 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.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

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.