Alert archive / California

Storm Warnings in California

102 storm 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 storm warnings reaches back to 2005.

Storm Warnings by county

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

Storm Warnings
102
Busiest year
202515 storm warnings
Average year
6over 17 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

The latest storm warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
May 16, 2:07 AM PDTStorm WarningMTR37 hr
Feb 20, 10:20 AM PSTStorm WarningEKA42 hr
Jan 2, 10:46 PM PSTStorm WarningEKA24 hr
Jan 1, 9:49 PM PSTStorm WarningEKA49 hr

Nearby

Alerts in force nowTornadoes on recordThe 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.