Alert archive / California / Winter Storm Warnings
Winter Storm Warnings in California, 2019
102 winter storm warnings in 2019. 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 2019. Tap one for its archive.
- Winter Storm Warnings
- 102
- Busiest month
- February33 winter storm warnings
- Busiest day
- February 12, 20195 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 3, 10:37 PM PST | Winter Storm Warning | MFR | Siskiyou | 71 hr |
| Jan 4, 3:04 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 3 days |
| Jan 4, 4:36 AM PST | Winter Storm Warning | EKA | Mendocino, Trinity | 41 hr |
| Jan 4, 3:15 PM PST | Winter Storm Warning | STO | 68 hr | |
| Jan 5, 10:11 PM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Mendocino, Trinity | 20 hr |
| Jan 6, 3:11 AM PST | Winter Storm Warning | HNX | 25 hr | |
| Jan 13, 10:46 AM PST | Winter Storm Warning | HNX | 41 hr | |
| Jan 13, 2:23 PM PST | Winter Storm Warning | VEF | Inyo | 38 hr |
| Jan 13, 2:40 PM PST | Winter Storm Warning | LOX | 61 hr | |
| Jan 13, 3:06 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 60 hr |
| Jan 15, 2:14 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 57 hr |
| Jan 15, 3:06 PM PST | Winter Storm Warning | STO | 61 hr | |
| Jan 15, 7:53 PM PST | Winter Storm Warning | HNX | 50 hr | |
| Jan 15, 8:13 PM PST | Winter Storm Warning | STO | 7 hr | |
| Jan 15, 9:08 PM PST | Winter Storm Warning | VEF | Inyo | 49 hr |
| Jan 15, 9:47 PM PST | Winter Storm Warning | MFR | Siskiyou | 40 hr |
| Jan 19, 10:07 AM PST | Winter Storm Warning | STO | 42 hr | |
| Jan 19, 12:10 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Nevada, Placer | 40 hr |
| Jan 31, 2:15 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 5 days |
| Jan 31, 2:40 PM PST | Winter Storm Warning | STO | 5 days | |
| Jan 31, 2:51 PM PST | Winter Storm Warning | VEF | Inyo | 6 days |
| Jan 31, 2:56 PM PST | Winter Storm Warning | MFR | Siskiyou | 47 hr |
| Feb 1, 2:54 AM PST | Winter Storm Warning | HNX | 5 days | |
| Feb 1, 5:32 AM PST | Winter Storm Warning | LOX | 5 days | |
| Feb 1, 1:39 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 5 days |
| Feb 2, 2:43 PM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Mendocino, Trinity | 55 hr |
| Feb 2, 8:02 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 47 hr |
| Feb 4, 10:41 AM PST | Winter Storm Warning | STO | 17 hr | |
| Feb 7, 1:30 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 3 days |
| Feb 7, 1:55 PM PST | Winter Storm Warning | STO | 3 days | |
| Feb 7, 2:15 PM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Mendocino, Trinity | 70 hr |
| Feb 7, 4:15 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 60 hr |
| Feb 8, 12:21 AM PST | Winter Storm Warning | HNX | 62 hr | |
| Feb 9, 3:54 AM PST | Winter Storm Warning | MFR | Modoc | 18 hr |
| Feb 9, 12:32 PM PST | Winter Storm Warning | SGX | San Bernardino | 31 hr |
| Feb 11, 1:24 PM PST | Winter Storm Warning | MFR | Siskiyou | 49 hr |
| Feb 12, 3:58 AM PST | Winter Storm Warning | VEF | Inyo | 64 hr |
| Feb 12, 4:12 AM PST | Winter Storm Warning | EKA | Trinity | 33 hr |
| Feb 12, 6:26 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 6 days |
| Feb 12, 12:52 PM PST | Winter Storm Warning | HNX | 57 hr | |
| Feb 12, 2:29 PM PST | Winter Storm Warning | STO | 5 days | |
| Feb 13, 2:30 PM PST | Winter Storm Warning | MFR | Siskiyou | 3 days |
| Feb 13, 3:00 PM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Mendocino, Trinity | 70 hr |
| Feb 14, 3:00 AM PST | Winter Storm Warning | STO | 49 hr | |
| Feb 15, 3:20 AM PST | Winter Storm Warning | HNX | 61 hr | |
| Feb 16, 12:30 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 38 hr |
| Feb 18, 2:39 AM PST | Winter Storm Warning | SGX | San Diego | 3 hr |
| Feb 19, 1:30 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 60 hr |
| Feb 19, 2:29 PM PST | Winter Storm Warning | VEF | San Bernardino | 62 hr |
| Feb 22, 6:02 PM PST | Winter Storm Warning | MFR | Siskiyou | 3 days |
| Feb 24, 11:56 AM PST | Winter Storm Warning | STO | 4 days | |
| Feb 24, 12:27 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 4 days |
| Feb 25, 3:16 AM PST | Winter Storm Warning | HNX | 30 hr | |
| Feb 26, 2:57 AM PST | Winter Storm Warning | EKA | 32 hr | |
| Feb 26, 4:05 AM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 41 hr |
| Mar 1, 2:50 AM PST | Winter Storm Warning | HNX | 40 hr | |
| Mar 1, 4:00 AM PST | Winter Storm Warning | STO | 33 hr | |
| Mar 4, 1:10 PM PST | Winter Storm Warning | HNX | 63 hr | |
| Mar 4, 1:25 PM PST | Winter Storm Warning | STO | 62 hr | |
| Mar 4, 2:32 PM PST | Winter Storm Warning | VEF | Inyo | 55 hr |
| Mar 4, 2:43 PM PST | Winter Storm Warning | MFR | Siskiyou | 55 hr |
| Mar 10, 2:09 PM PDT | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 13 hr |
| Mar 11, 1:56 PM PDT | Winter Storm Warning | LOX | 22 hr | |
| Mar 11, 2:09 PM PDT | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 22 hr |
| Mar 23, 2:06 PM PDT | Winter Storm Warning | MFR | Siskiyou | 51 hr |
| Mar 24, 2:48 AM PDT | Winter Storm Warning | STO | 48 hr | |
| Mar 25, 12:39 PM PDT | Winter Storm Warning | HNX | 64 hr | |
| Mar 25, 1:59 PM PDT | Winter Storm Warning | STO | 63 hr | |
| Mar 25, 3:25 PM PDT | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 56 hr |
| Mar 26, 12:57 PM PDT | Winter Storm Warning | MFR | Siskiyou | 26 hr |
| May 14, 1:40 PM PDT | Winter Storm Warning | HNX | 62 hr | |
| May 14, 2:31 PM PDT | Winter Storm Warning | VEF | Inyo | 60 hr |
| May 14, 2:47 PM PDT | Winter Storm Warning | STO | 63 hr | |
| May 18, 2:10 AM PDT | Winter Storm Warning | HNX | 45 hr | |
| May 18, 2:37 AM PDT | Winter Storm Warning | STO | 43 hr | |
| May 25, 2:08 PM PDT | Winter Storm Warning | MFR | Siskiyou | 18 hr |
| Nov 18, 1:44 PM PST | Winter Storm Warning | VEF | Inyo | 71 hr |
| Nov 18, 2:09 PM PST | Winter Storm Warning | HNX | 61 hr | |
| Nov 19, 10:40 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 40 hr |
| Nov 24, 2:00 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 4 days |
| Nov 24, 2:16 PM PST | Winter Storm Warning | HNX | 5 days | |
| Nov 24, 2:29 PM PST | Winter Storm Warning | STO | 3 days | |
| Nov 24, 2:37 PM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 62 hr |
| Nov 25, 1:55 AM PST | Winter Storm Warning | VEF | Inyo, San Bernardino | 5 days |
| Nov 25, 3:58 AM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Mendocino, Trinity | 58 hr |
| Nov 25, 1:16 PM PST | Winter Storm Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 4 days |
| Nov 25, 2:26 PM PST | Winter Storm Warning | LOX | 4 days | |
| Nov 27, 3:13 AM PST | Winter Storm Warning | PSR | San Bernardino | 68 hr |
| Nov 28, 1:25 PM PST | Winter Storm Warning | MFR | Siskiyou | 69 hr |
| Nov 29, 11:44 AM PST | Winter Storm Warning | STO | 3 days | |
| Nov 29, 12:13 PM PST | Winter Storm Warning | HNX | 71 hr | |
| Nov 29, 12:40 PM PST | Winter Storm Warning | EKA | Humboldt, Mendocino, Trinity | 42 hr |
| Nov 29, 3:44 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 66 hr |
| Dec 5, 1:17 PM PST | Winter Storm Warning | MFR | Siskiyou | 49 hr |
| Dec 5, 2:00 PM PST | Winter Storm Warning | STO | 70 hr | |
| Dec 5, 2:01 PM PST | Winter Storm Warning | HNX | 71 hr | |
| Dec 5, 2:45 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 67 hr |
| Dec 21, 4:14 AM PST | Winter Storm Warning | MFR | Siskiyou | 23 hr |
| Dec 24, 4:12 AM PST | Winter Storm Warning | HNX | 64 hr | |
| Dec 25, 2:34 AM PST | Winter Storm Warning | LOX | 43 hr | |
| Dec 25, 3:03 AM PST | Winter Storm Warning | PSR | San Bernardino | 50 hr |
| Dec 25, 3:36 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 47 hr |
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 archive20182020
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.