Alert archive / California / Special Weather Statements / 2021

Special Weather Statements in California, December 2021

9 special weather statements in December 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 special weather statements reaches back to 2006.

Special Weather Statements by county

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

Special Weather Statements
9
Busiest day
December 24, 20213 special weather statements

Over time

By day

Days in UTC, the clock the archive keeps.

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
Dec 13, 8:54 AM PSTSpecial Weather StatementEKAHumboldt36 min
Dec 23, 5:11 PM PSTSpecial Weather StatementSTOButte64 min
Dec 23, 6:06 PM PSTSpecial Weather StatementSTOTehama54 min
Dec 23, 8:53 PM PSTSpecial Weather StatementSTOTuolumne52 min
Dec 25, 1:18 PM PSTSpecial Weather StatementSTOShasta, Tehama27 min
Dec 27, 1:55 PM PSTSpecial Weather StatementSTOSacramento50 min
Dec 27, 3:09 PM PSTSpecial Weather StatementSTOAmador51 min
Dec 29, 3:42 PM PSTSpecial Weather StatementMTRSanta Clara33 min
Dec 29, 3:43 PM PSTSpecial Weather StatementMTRSan Benito32 min

By county

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

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. Warning verification from the Mesonet's Cow. Rebuilt daily.