Alert archive / Delaware

Weather alerts in New Castle County, Delaware

4,888 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

New Castle County and its neighbors

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

Alerts
4,888
Warnings
1,525
Watches
743
Advisories
1,315
Busiest year
2011337 alerts
Average year
119over 41 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 3, 5:26 AM EDTAreal Flood WarningPHI4 hr
Sep 3, 1:34 AM EDTFlash Flood WarningPHI4 hr
Sep 2, 1:35 PM EDTSevere Thunderstorm WarningPHI40 min
Sep 1, 9:40 PM EDTSevere Thunderstorm WarningPHI65 min
Sep 1, 8:46 PM EDTSevere Thunderstorm Warning Destructive damage threatPHI59 min
Sep 1, 8:44 PM EDTFlash Flood WarningPHI3 hr
Sep 1, 8:17 PM EDTSevere Thunderstorm WarningPHI58 min
Sep 1, 7:43 PM EDTSevere Thunderstorm WarningPHI47 min
Aug 27, 3:26 PM EDTAreal Flood WarningPHI5 hr
Aug 27, 1:50 PM EDTFlash Flood WarningPHI4 hr
Aug 27, 1:32 PM EDTSevere Thunderstorm WarningPHI43 min
Aug 27, 11:38 AM EDTFlash Flood WarningPHI4 hr

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.