Alert archive / California / Storm Warnings

Storm Warnings in California, 2021

7 storm warnings in 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 storm warnings reaches back to 2005.

Storm Warnings by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Storm Warnings
7
Busiest month
January4 storm warnings
Busiest day
January 26, 20212 storm warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jan 3, 2:58 AM PSTStorm WarningEKA30 hr
Jan 25, 2:43 PM PSTStorm WarningEKA28 hr
Jan 26, 2:55 AM PSTStorm WarningMTR27 hr
Jan 26, 1:53 PM PSTStorm WarningLOX37 hr
Mar 3, 2:22 PM PSTStorm WarningEKA43 hr
Mar 14, 12:51 PM PDTStorm WarningMTR20 hr
Nov 7, 3:09 AM PSTStorm WarningEKA47 hr

The busiest days

Days with the most alerts issued, by UTC date.

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.