Alert archive / California / Tornado Warnings
Tornado Warnings in California, 2023
16 tornado warnings in 2023. 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Tornado Warnings
- 16
- Busiest month
- March6 tornado warnings
- Busiest day
- January 10, 20232 tornado 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 3:35 AM PST | Tornado Warning | STO | Amador, Calaveras, San Joaquin, Stanislaus | 25 min |
| Jan 10, 3:43 AM PST | Tornado Warning | STO | Calaveras, San Joaquin, Stanislaus, Tuolumne | 32 min |
| Jan 10, 4:49 PM PST | Tornado Warning | HNX | Tulare | 26 min |
| Jan 10, 5:15 PM PST | Tornado Warning | HNX | Tulare | 19 min |
| Feb 24, 10:07 AM PST | Tornado Warning | LOX | Santa Barbara | 23 min |
| Mar 11, 2:37 PM PST | Tornado Warning | STO | Calaveras, Tuolumne | 38 min |
| Mar 11, 3:38 PM PST | Tornado Warning | HNX | Fresno | 37 min |
| Mar 12, 3:05 PM PDT | Tornado Warning | HNX | Fresno, Madera, Merced | 25 min |
| Mar 15, 5:15 PM PDT | Tornado Warning | VEF | San Bernardino | 30 min |
| Mar 21, 8:18 PM PDT | Tornado Warning | LOX | Los Angeles, Ventura | 12 min |
| Mar 30, 10:22 AM PDT | Tornado Warning | SGX | San Diego | 8 min |
| Aug 20, 3:37 PM PDT | Tornado Warning | SGX | San Diego | 23 min |
| Aug 21, 12:41 PM PDT | Tornado Warning | HNX | Merced | 34 min |
| Aug 21, 1:12 PM PDT | Tornado Warning | HNX | Merced | 33 min |
| Dec 21, 1:28 AM PST | Tornado Warning | LOX | Ventura | 32 min |
| Dec 21, 1:56 AM PST | Tornado Warning | LOX | Ventura | 34 min |
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 archive20222024
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.