Alert archive / California / Winter Storm Warnings
Winter Storm Warnings in California, 2024
97 winter storm warnings in 2024. 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 2024. Tap one for its archive.
- Winter Storm Warnings
- 97
- Busiest month
- January31 winter storm warnings
- Busiest day
- February 3, 20245 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 2, 2:51 AM PST | Winter Storm Warning | EKA | 28 hr | |
| Jan 2, 3:00 AM PST | Winter Storm Warning | MFR | Siskiyou | 24 hr |
| Jan 2, 11:49 AM PST | Winter Storm Warning | STO | 26 hr | |
| Jan 2, 12:23 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 32 hr |
| Jan 4, 12:55 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 59 hr |
| Jan 4, 1:07 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 58 hr |
| Jan 4, 1:42 PM PST | Winter Storm Warning | STO | 56 hr | |
| Jan 4, 2:15 PM PST | Winter Storm Warning | MFR | Siskiyou | 56 hr |
| Jan 5, 12:57 AM PST | Winter Storm Warning | VEF | Inyo | 47 hr |
| Jan 6, 6:20 AM PST | Winter Storm Warning | LOX | Los Angeles, Ventura | 32 hr |
| Jan 7, 8:01 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 71 hr |
| Jan 8, 12:42 PM PST | Winter Storm Warning | STO | 59 hr | |
| Jan 8, 1:33 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Nevada, Placer | 61 hr |
| Jan 8, 2:57 PM PST | Winter Storm Warning | EKA | Humboldt, Trinity | 49 hr |
| Jan 9, 1:00 PM PST | Winter Storm Warning | LOX | Los Angeles, Ventura | 47 hr |
| Jan 11, 3:34 AM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 72 hr |
| Jan 11, 2:49 PM PST | Winter Storm Warning | STO | 61 hr | |
| Jan 11, 3:04 PM PST | Winter Storm Warning | EKA | 54 hr | |
| Jan 11, 5:57 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Nevada, Placer | 58 hr |
| Jan 12, 12:41 AM PST | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tuolumne | 51 hr |
| Jan 19, 12:22 PM PST | Winter Storm Warning | STO | 3 days | |
| Jan 20, 12:07 AM PST | Winter Storm Warning | VEF | Inyo | 3 days |
| Jan 20, 12:07 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 57 hr |
| Jan 30, 12:36 PM PST | Winter Storm Warning | STO | 72 hr | |
| Jan 30, 1:27 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 69 hr |
| Jan 30, 1:49 PM PST | Winter Storm Warning | MFR | Siskiyou | 41 hr |
| Jan 30, 2:29 PM PST | Winter Storm Warning | EKA | 45 hr | |
| Jan 30, 11:46 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 61 hr |
| Jan 31, 1:40 AM PST | Winter Storm Warning | VEF | Inyo | 56 hr |
| Jan 31, 2:01 AM PST | Winter Storm Warning | LOX | Los Angeles, Ventura | 38 hr |
| Jan 31, 2:27 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 52 hr |
| Feb 2, 1:20 PM PST | Winter Storm Warning | STO | 4 days | |
| Feb 2, 1:52 PM PST | Winter Storm Warning | MFR | Siskiyou | 71 hr |
| Feb 2, 2:43 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 67 hr |
| Feb 2, 7:11 PM PST | Winter Storm Warning | EKA | Lake, Mendocino, Trinity | 3 days |
| Feb 3, 2:57 AM PST | Winter Storm Warning | VEF | Inyo | 4 days |
| Feb 3, 4:00 AM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 3 days |
| Feb 3, 11:42 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 5 days |
| Feb 3, 1:24 PM PST | Winter Storm Warning | LOX | Los Angeles, Ventura | 5 days |
| Feb 6, 4:08 AM PST | Winter Storm Warning | HNX | Fresno, Kern, Tulare | 55 hr |
| Feb 13, 12:29 PM PST | Winter Storm Warning | STO | 46 hr | |
| Feb 16, 12:13 PM PST | Winter Storm Warning | STO | 4 days | |
| Feb 16, 12:16 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 4 days |
| Feb 16, 12:54 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 5 days |
| Feb 17, 1:38 AM PST | Winter Storm Warning | VEF | Inyo | 72 hr |
| Feb 17, 1:57 AM PST | Winter Storm Warning | EKA | 23 hr | |
| Feb 17, 11:02 PM PST | Winter Storm Warning | MFR | Siskiyou | 69 hr |
| Feb 18, 2:26 AM PST | Winter Storm Warning | EKA | 61 hr | |
| Feb 27, 12:06 PM PST | Winter Storm Warning | STO | 6 days | |
| Feb 27, 12:52 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 5 days |
| Feb 27, 1:47 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare | 5 days |
| Feb 27, 2:14 PM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 7 days |
| Feb 28, 12:04 AM PST | Winter Storm Warning | VEF | Inyo | 4 days |
| Feb 28, 1:38 PM PST | Winter Storm Warning | REV | Modoc | 4 days |
| Feb 29, 1:50 PM PST | Winter Storm Warning | EKA | Humboldt, Mendocino | 68 hr |
| Mar 1, 5:13 AM PST | Winter Storm Warning | LOX | Los Angeles | 52 hr |
| Mar 1, 12:01 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 50 hr |
| Mar 3, 2:09 AM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 62 hr |
| Mar 3, 3:15 AM PST | Winter Storm Warning | STO | 21 hr | |
| Mar 3, 9:14 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Nevada, Placer | 19 hr |
| Mar 4, 12:22 AM PST | Winter Storm Warning | STO | 30 hr | |
| Mar 9, 1:22 PM PST | Winter Storm Warning | MFR | Siskiyou | 27 hr |
| Mar 14, 11:49 PM PDT | Winter Storm Warning | SGX | Riverside, San Bernardino | 56 hr |
| Mar 21, 11:42 AM PDT | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 3 days |
| Mar 21, 1:27 PM PDT | Winter Storm Warning | STO | 67 hr | |
| Mar 22, 1:25 PM PDT | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 58 hr |
| Mar 26, 2:05 AM PDT | Winter Storm Warning | STO | 55 hr | |
| Mar 28, 12:54 PM PDT | Winter Storm Warning | STO | 69 hr | |
| Mar 28, 1:28 PM PDT | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 69 hr |
| Mar 28, 2:16 PM PDT | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 67 hr |
| Mar 29, 3:47 AM PDT | Winter Storm Warning | LOX | Los Angeles, Santa Barbara, Ventura | 67 hr |
| Mar 29, 1:54 PM PDT | Winter Storm Warning | SGX | San Bernardino | 52 hr |
| Apr 3, 1:14 PM PDT | Winter Storm Warning | SGX | Riverside, San Bernardino | 58 hr |
| Apr 4, 2:46 AM PDT | Winter Storm Warning | REV | Lassen, Modoc, Plumas, Sierra | 31 hr |
| Apr 4, 3:05 AM PDT | Winter Storm Warning | MFR | Modoc | 29 hr |
| Apr 4, 1:04 PM PDT | Winter Storm Warning | LOX | Los Angeles, Santa Barbara, Ventura | 34 hr |
| May 3, 12:45 PM PDT | Winter Storm Warning | STO | 43 hr | |
| May 3, 12:58 PM PDT | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tulare, Tuolumne | 43 hr |
| May 3, 1:47 PM PDT | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 42 hr |
| Nov 12, 2:43 PM PST | Winter Storm Warning | MFR | Siskiyou | 25 hr |
| Nov 16, 7:40 AM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 62 hr |
| Nov 18, 12:10 PM PST | Winter Storm Warning | EKA | Trinity | 3 days |
| Nov 18, 12:11 PM PST | Winter Storm Warning | STO | 68 hr | |
| Nov 18, 1:56 PM PST | Winter Storm Warning | MFR | Siskiyou | 56 hr |
| Nov 21, 3:25 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 67 hr |
| Nov 21, 12:07 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 5 days |
| Nov 21, 12:23 PM PST | Winter Storm Warning | STO | 5 days | |
| Nov 23, 1:02 PM PST | Winter Storm Warning | EKA | 51 hr | |
| Nov 23, 2:03 PM PST | Winter Storm Warning | MFR | Siskiyou | 59 hr |
| Nov 23, 2:48 PM PST | Winter Storm Warning | VEF | Inyo | 3 days |
| Nov 24, 4:25 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 60 hr |
| Dec 12, 11:52 AM PST | Winter Storm Warning | EKA | 49 hr | |
| Dec 12, 12:50 PM PST | Winter Storm Warning | MFR | Siskiyou | 44 hr |
| Dec 12, 1:40 PM PST | Winter Storm Warning | STO | 56 hr | |
| Dec 12, 2:36 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 55 hr |
| Dec 13, 1:57 AM PST | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tulare, Tuolumne | 44 hr |
| Dec 23, 2:04 AM PST | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tulare, Tuolumne | 38 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Siskiyou County15
- Fresno County15
- Madera County14
- Mariposa County14
- Tulare County14
- Tuolumne County13
- Alpine County12
- El Dorado County12
- Nevada County12
- Placer County12
- Kern County11
- Mono County9
- Modoc County8
- Inyo County7
- Los Angeles County7
- San Bernardino County7
- Ventura County6
- Riverside County6
- Lassen County5
- Plumas County5
- Sierra County5
- Trinity County4
- Humboldt County3
- Mendocino County3
- Lake County2
- San Diego County2
- Santa Barbara County2
- Del Norte County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.