Alert archive / California / Winter Storm Warnings
Winter Storm Warnings in California, 2022
53 winter storm warnings in 2022. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Winter Storm Warnings
- 53
- Busiest month
- December21 winter storm warnings
- Busiest day
- November 29, 20226 winter 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 2:22 PM PST | Winter Storm Warning | STO | 55 hr | |
| Jan 1, 3:09 PM PST | Winter Storm Warning | EKA | 60 hr | |
| Jan 1, 3:35 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 3 days |
| Feb 21, 2:30 AM PST | Winter Storm Warning | STO | 44 hr | |
| Feb 21, 3:18 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 63 hr |
| Mar 3, 4:05 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 66 hr |
| Mar 3, 2:54 PM PST | Winter Storm Warning | MFR | Modoc | 40 hr |
| Mar 27, 12:50 PM PDT | Winter Storm Warning | SGX | Riverside, San Bernardino | 43 hr |
| Mar 27, 1:45 PM PDT | Winter Storm Warning | LOX | 37 hr | |
| Apr 9, 2:33 PM PDT | Winter Storm Warning | MFR | Siskiyou | 4 days |
| Apr 19, 2:17 PM PDT | Winter Storm Warning | EKA | 27 hr | |
| Apr 19, 2:38 PM PDT | Winter Storm Warning | STO | 66 hr | |
| Apr 19, 3:31 PM PDT | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 65 hr |
| Apr 20, 2:41 AM PDT | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 56 hr |
| May 8, 8:07 AM PDT | Winter Storm Warning | EKA | Del Norte, Humboldt, Mendocino, Trinity | 13 hr |
| Oct 31, 10:24 AM PDT | Winter Storm Warning | STO | 62 hr | |
| Oct 31, 11:01 AM PDT | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tulare, Tuolumne | 60 hr |
| Nov 4, 12:49 PM PDT | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 5 days |
| Nov 4, 1:00 PM PDT | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 5 days |
| Nov 4, 1:08 PM PDT | Winter Storm Warning | STO | 5 days | |
| Nov 5, 1:16 AM PDT | Winter Storm Warning | VEF | Inyo | 4 days |
| Nov 5, 3:27 AM PDT | Winter Storm Warning | EKA | Del Norte, Humboldt, Trinity | 4 days |
| Nov 5, 5:16 AM PDT | Winter Storm Warning | MFR | Modoc, Siskiyou | 48 hr |
| Nov 6, 4:05 AM PST | Winter Storm Warning | MFR | Siskiyou | 59 hr |
| Nov 7, 11:57 AM PST | Winter Storm Warning | LOX | 33 hr | |
| Nov 7, 1:13 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 44 hr |
| Nov 29, 8:17 AM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Trinity | 47 hr |
| Nov 29, 11:43 AM PST | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tulare, Tuolumne | 64 hr |
| Nov 29, 11:47 AM PST | Winter Storm Warning | VEF | Inyo | 64 hr |
| Nov 29, 12:54 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 48 hr |
| Nov 29, 1:28 PM PST | Winter Storm Warning | STO | 58 hr | |
| Nov 29, 2:03 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 62 hr |
| Dec 2, 10:07 AM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 50 hr |
| Dec 2, 11:44 AM PST | Winter Storm Warning | STO | 63 hr | |
| Dec 2, 12:20 PM PST | Winter Storm Warning | VEF | Inyo | 48 hr |
| Dec 2, 1:53 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 61 hr |
| Dec 7, 3:21 PM PST | Winter Storm Warning | MFR | Siskiyou | 31 hr |
| Dec 8, 9:31 AM PST | Winter Storm Warning | EKA | 53 hr | |
| Dec 8, 11:55 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 4 days |
| Dec 8, 12:22 PM PST | Winter Storm Warning | STO | 4 days | |
| Dec 8, 12:56 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 4 days |
| Dec 8, 10:02 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 42 hr |
| Dec 9, 1:22 AM PST | Winter Storm Warning | VEF | Inyo | 68 hr |
| Dec 10, 1:26 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 57 hr |
| Dec 10, 2:21 PM PST | Winter Storm Warning | LOX | Santa Barbara | 43 hr |
| Dec 26, 12:13 AM PST | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tulare, Tuolumne | 52 hr |
| Dec 26, 12:55 AM PST | Winter Storm Warning | VEF | Inyo | 51 hr |
| Dec 26, 12:59 AM PST | Winter Storm Warning | STO | 49 hr | |
| Dec 26, 3:44 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 42 hr |
| Dec 28, 3:45 AM PST | Winter Storm Warning | EKA | 31 hr | |
| Dec 29, 11:51 AM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 64 hr |
| Dec 29, 1:58 PM PST | Winter Storm Warning | VEF | Inyo | 62 hr |
| Dec 29, 2:17 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 68 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fresno County8
- Madera County8
- Mariposa County8
- Tulare County8
- Tuolumne County8
- Siskiyou County7
- Alpine County7
- El Dorado County7
- Mono County7
- Nevada County7
- Placer County7
- Inyo County6
- Modoc County5
- Riverside County5
- San Bernardino County5
- Lassen County5
- Plumas County5
- Sierra County5
- Kern County5
- Del Norte County3
- Humboldt County3
- Trinity County3
- San Diego County2
- Mendocino County1
- Santa Barbara County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.