Alert archive / California / 2010
Weather alerts in California, January 2010
537 weather alerts in January 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in January 2010. Tap one for its archive.
- Alerts
- 537
- Warnings
- 163
- Watches
- 55
- Advisories
- 238
- Busiest day
- January 20, 201083 alerts
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 6:01 PM PST | Wind Advisory | MFR | Siskiyou | 16 hr |
| Dec 31, 8:37 PM PST | Small Craft Advisory for Winds | EKA | 11 hr | |
| Dec 31, 8:37 PM PST | Small Craft Advisory for Hazardous Seas | EKA | 24 hr | |
| Jan 1, 3:12 AM PST | High Surf Advisory | EKA | 25 hr | |
| Jan 1, 3:14 AM PST | Small Craft Advisory for Rough Bar | MTR | 45 hr | |
| Jan 1, 3:14 AM PST | Small Craft Advisory for Hazardous Seas | MTR | 35 hr | |
| Jan 1, 3:23 AM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 34 hr |
| Jan 1, 3:24 AM PST | Gale Warning | EKA | 96 min | |
| Jan 1, 3:24 AM PST | Hazardous Seas Warning | EKA | 10 hr | |
| Jan 1, 3:24 AM PST | Hazardous Seas Warning | EKA | 23 hr | |
| Jan 1, 10:30 AM PST | Small Craft Advisory | LOX | 40 hr | |
| Jan 1, 2:12 PM PST | Wind Advisory | LOX | Los Angeles | 19 hr |
| Jan 1, 10:05 PM PST | Dense Fog Advisory | HNX | 12 hr | |
| Jan 2, 2:14 AM PST | Small Craft Advisory for Hazardous Seas | EKA | 20 hr | |
| Jan 2, 3:40 AM PST | High Wind Warning | LOX | 5 hr | |
| Jan 2, 8:15 AM PST | Dense Fog Advisory | STO | 3 hr | |
| Jan 2, 9:14 AM PST | Wind Advisory | LOX | Los Angeles | 5 hr |
| Jan 2, 12:43 PM PST | High Surf Advisory | LOX | 8 hr | |
| Jan 2, 9:02 PM PST | Small Craft Advisory for Hazardous Seas | LOX | 11 hr | |
| Jan 3, 7:06 AM PST | Dense Fog Advisory | STO | 3 hr | |
| Jan 3, 8:54 PM PST | Freezing Fog Advisory | REV | Lassen, Plumas, Sierra | 34 hr |
| Jan 4, 10:33 PM PST | Dense Fog Advisory | STO | 13 hr | |
| Jan 5, 3:11 AM PST | Small Craft Advisory | LOX | 42 hr | |
| Jan 5, 3:50 AM PST | Dense Fog Advisory | MTR | Alameda, Contra Costa, Marin, Napa, Sonoma | 5 hr |
| Jan 5, 10:35 PM PST | Dense Fog Advisory | MTR | Alameda, Contra Costa, Marin, Napa, Sonoma | 10 hr |
| Jan 7, 2:51 AM PST | Small Craft Advisory for Hazardous Seas | EKA | 3 days | |
| Jan 7, 1:10 PM PST | High Surf Advisory | SGX | San Diego | 4 days |
| Jan 7, 2:02 PM PST | Small Craft Advisory for Rough Bar | MTR | 4 days | |
| Jan 7, 2:26 PM PST | High Surf Advisory | LOX | Los Angeles | 22 hr |
| Jan 7, 2:26 PM PST | Small Craft Advisory for Hazardous Seas | LOX | 4 days | |
| Jan 7, 8:07 PM PST | Dense Fog Advisory | SGX | San Diego | 7 hr |
| Jan 7, 8:46 PM PST | Small Craft Advisory | EKA | 24 hr | |
| Jan 7, 8:46 PM PST | Small Craft Advisory for Hazardous Seas | EKA | 66 hr | |
| Jan 8, 7:36 AM PST | Small Craft Advisory for Hazardous Seas | SGX | 3 days | |
| Jan 9, 12:02 AM PST | Coastal Flood Statement | LOX | Los Angeles | 45 hr |
| Jan 9, 12:02 AM PST | High Surf Advisory | LOX | Los Angeles | 56 hr |
| Jan 9, 12:16 AM PST | Dense Fog Advisory | STO | 10 hr | |
| Jan 9, 12:25 AM PST | Dense Fog Advisory | HNX | 10 hr | |
| Jan 9, 2:46 PM PST | Gale Watch | EKA | 24 hr | |
| Jan 9, 2:46 PM PST | Small Craft Advisory | EKA | 42 hr | |
| Jan 9, 2:46 PM PST | Hazardous Seas Watch | EKA | 12 hr | |
| Jan 9, 2:46 PM PST | High Wind Watch | MFR | Siskiyou | 24 hr |
| Jan 9, 3:42 PM PST | Freezing Fog Advisory | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 21 hr |
| Jan 10, 2:40 AM PST | Dense Fog Advisory | MTR | Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 2 more | 7 hr |
| Jan 10, 2:45 AM PST | Dense Fog Advisory | STO | 7 hr | |
| Jan 10, 2:50 AM PST | Marine Dense Fog Advisory | MTR | 7 hr | |
| Jan 10, 2:50 AM PST | Small Craft Advisory | MTR | 3 days | |
| Jan 10, 2:59 AM PST | Gale Warning | EKA | 48 hr | |
| Jan 10, 2:59 AM PST | Hazardous Seas Watch | EKA | 24 hr | |
| Jan 10, 2:59 AM PST | Hazardous Seas Warning | EKA | 3 days | |
| Jan 10, 2:18 PM PST | Gale Warning | MTR | 37 hr | |
| Jan 10, 2:42 PM PST | High Wind Warning | MFR | Siskiyou | 37 hr |
| Jan 10, 2:42 PM PST | Wind Advisory | MFR | Siskiyou | 31 hr |
| Jan 10, 3:29 PM PST | Winter Storm Watch | STO | 23 hr | |
| Jan 10, 6:39 PM PST | Dense Fog Advisory | REV | Lassen, Plumas, Sierra | 17 hr |
| Jan 11, 2:53 AM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 12 hr |
| Jan 11, 3:26 AM PST | Coastal Flood Statement | LOX | Los Angeles | 11 hr |
| Jan 11, 3:30 AM PST | Winter Storm Watch | HNX | 16 hr | |
| Jan 11, 2:20 PM PST | High Surf Advisory | EKA | 44 hr | |
| Jan 11, 2:28 PM PST | High Surf Advisory | LOX | Los Angeles | 4 days |
| Jan 11, 2:29 PM PST | Small Craft Advisory for Hazardous Seas | MTR | 12 hr | |
| Jan 11, 2:41 PM PST | Coastal Flood Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 41 hr |
| Jan 11, 2:41 PM PST | High Surf Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 41 hr |
| Jan 11, 2:55 PM PST | Winter Storm Warning | STO | 45 hr | |
| Jan 11, 3:29 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 27 hr |
| Jan 11, 3:37 PM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 42 hr |
| Jan 11, 7:27 PM PST | Winter Storm Warning | HNX | 38 hr | |
| Jan 11, 7:27 PM PST | Winter Weather Advisory | HNX | 38 hr | |
| Jan 11, 9:01 PM PST | Small Craft Advisory for Winds | EKA | 39 hr | |
| Jan 11, 9:12 PM PST | Small Craft Advisory for Hazardous Seas | LOX | 24 hr | |
| Jan 11, 9:59 PM PST | Wind Advisory | MFR | Siskiyou | 3 hr |
| Jan 12, 1:08 AM PST | Dense Fog Advisory | LOX | 8 hr | |
| Jan 12, 1:50 AM PST | Coastal Flood Watch | SGX | San Diego | 24 hr |
| Jan 12, 1:58 AM PST | Small Craft Advisory for Hazardous Seas | SGX | 59 hr | |
| Jan 12, 2:50 AM PST | Small Craft Advisory for Rough Bar | MTR | 64 hr | |
| Jan 12, 3:28 AM PST | Wind Advisory | REV | Mono | 15 hr |
| Jan 12, 4:48 AM PST | Coastal Flood Watch | LOX | Los Angeles | 32 hr |
| Jan 12, 1:07 PM PST | High Surf Advisory | SGX | San Diego | 68 hr |
| Jan 12, 2:00 PM PST | Winter Weather Advisory | MFR | Siskiyou | 18 hr |
| Jan 12, 2:27 PM PST | Small Craft Advisory | LOX | 43 hr | |
| Jan 12, 2:32 PM PST | High Wind Watch | LOX | Los Angeles | 24 hr |
| Jan 12, 4:34 PM PST | Mesoscale Discussion | SPC | Alpine, El Dorado, Mono, Nevada, Placer, Plumas and 2 more | 4 hr |
| Jan 12, 4:37 PM PST | Gale Warning | EKA | 10 hr | |
| Jan 12, 9:23 PM PST | Wind Advisory | LOX | Los Angeles | 63 hr |
| Jan 13, 12:17 AM PST | Mesoscale Discussion | SPC | Alpine, Amador, Calaveras, El Dorado, Mariposa, Nevada and 4 more | 4 hr |
| Jan 13, 1:21 AM PST | Coastal Flood Warning | SGX | San Diego | 35 hr |
| Jan 13, 2:51 AM PST | Small Craft Advisory for Hazardous Seas | EKA | 65 hr | |
| Jan 13, 3:08 AM PST | Wind Advisory | HNX | 23 hr | |
| Jan 13, 3:49 AM PST | Special Weather Statement | STO | Calaveras | 41 min |
| Jan 13, 4:24 AM PST | Coastal Flood Advisory | LOX | Los Angeles | 8 hr |
| Jan 13, 8:52 AM PST | Wind Advisory | PSR | 12 hr | |
| Jan 13, 11:18 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 50 hr |
| Jan 13, 12:44 PM PST | Coastal Flood Advisory | LOX | Los Angeles | 24 hr |
| Jan 13, 2:26 PM PST | Lake Wind Advisory | VEF | San Bernardino | 28 hr |
| Jan 13, 2:26 PM PST | Wind Advisory | VEF | San Bernardino | 6 hr |
| Jan 13, 2:31 PM PST | High Wind Warning | LOX | Los Angeles | 24 hr |
| Jan 13, 2:41 PM PST | Wind Advisory | PSR | 27 hr | |
| Jan 14, 1:49 AM PST | Coastal Flood Statement | LOX | Los Angeles | 31 hr |
| Jan 14, 2:38 AM PST | Small Craft Advisory for Winds | EKA | 42 hr | |
| Jan 14, 3:06 AM PST | Small Craft Advisory for Winds | LOX | 18 hr | |
| Jan 14, 3:06 AM PST | Small Craft Advisory for Hazardous Seas | LOX | 23 hr | |
| Jan 14, 9:00 AM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 8 hr |
| Jan 14, 9:00 AM PST | Wind Advisory | SGX | San Diego | 28 hr |
| Jan 14, 6:20 PM PST | Dense Fog Advisory | HNX | 18 hr | |
| Jan 15, 2:35 AM PST | Small Craft Advisory | MTR | 30 hr | |
| Jan 15, 8:51 AM PST | Gale Warning | EKA | 11 hr | |
| Jan 15, 2:31 PM PST | Winter Storm Watch | VEF | Inyo | 56 hr |
| Jan 15, 3:00 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 24 hr |
| Jan 15, 3:13 PM PST | Winter Storm Watch | MFR | Siskiyou | 22 hr |
| Jan 15, 3:44 PM PST | Winter Storm Watch | STO | 37 hr | |
| Jan 15, 8:10 PM PST | Small Craft Advisory | EKA | 18 hr | |
| Jan 16, 2:21 AM PST | Gale Warning | EKA | 47 hr | |
| Jan 16, 2:21 AM PST | Hazardous Seas Warning | EKA | 47 hr | |
| Jan 16, 2:29 AM PST | Small Craft Advisory | MTR | 54 hr | |
| Jan 16, 2:55 AM PST | Coastal Flood Statement | LOX | Los Angeles | 56 hr |
| Jan 16, 3:43 AM PST | Dense Fog Advisory | STO | 23 min | |
| Jan 16, 3:52 AM PST | Winter Storm Watch | EKA | 24 hr | |
| Jan 16, 4:06 AM PST | Dense Fog Advisory | STO | 8 hr | |
| Jan 16, 4:14 AM PST | Winter Storm Watch | HNX | 35 hr | |
| Jan 16, 1:26 PM PST | Wind Advisory | MFR | Siskiyou | 38 hr |
| Jan 16, 1:26 PM PST | Winter Storm Warning | MFR | Siskiyou | 57 hr |
| Jan 16, 2:29 PM PST | High Wind Watch | LOX | Santa Barbara | 29 hr |
| Jan 16, 2:29 PM PST | Winter Storm Watch | LOX | 23 hr | |
| Jan 16, 2:39 PM PST | Gale Watch | MTR | 7 hr | |
| Jan 16, 2:46 PM PST | Winter Storm Warning | STO | 6 days | |
| Jan 16, 2:59 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 58 hr |
| Jan 16, 9:13 PM PST | Gale Warning | MTR | 62 hr | |
| Jan 17, 2:14 AM PST | Small Craft Advisory | SGX | 3 days | |
| Jan 17, 2:56 AM PST | Gale Watch | LOX | 12 hr | |
| Jan 17, 3:01 AM PST | Gale Warning | MTR | 36 hr | |
| Jan 17, 3:01 AM PST | Small Craft Advisory | MTR | 3 days | |
| Jan 17, 3:41 AM PST | Winter Weather Advisory | EKA | 23 hr | |
| Jan 17, 3:59 AM PST | Winter Storm Warning | HNX | 6 days | |
| Jan 17, 4:33 AM PST | Winter Weather Advisory | STO | 47 hr | |
| Jan 17, 5:16 AM PST | High Wind Watch | MTR | Monterey, San Benito, City and County of San Francisco, San Mateo, Santa Clara, Santa Cruz | 9 hr |
| Jan 17, 9:27 AM PST | Winter Storm Warning | VEF | Inyo | 41 hr |
| Jan 17, 11:29 AM PST | Wind Advisory | EKA | 8 hr | |
| Jan 17, 12:52 PM PST | Wind Advisory | STO | 8 hr | |
| Jan 17, 1:20 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 30 hr |
| Jan 17, 1:31 PM PST | High Wind Watch | SGX | Riverside, San Bernardino, San Diego | 14 hr |
| Jan 17, 1:58 PM PST | Flash Flood Watch | LOX | Los Angeles | 5 days |
| Jan 17, 1:58 PM PST | Winter Storm Warning | LOX | 26 hr | |
| Jan 17, 1:59 PM PST | High Wind Warning | LOX | Los Angeles, Santa Barbara | 30 hr |
| Jan 17, 2:30 PM PST | High Wind Warning | HNX | 26 hr | |
| Jan 17, 2:30 PM PST | Wind Advisory | HNX | 26 hr | |
| Jan 17, 2:30 PM PST | Gale Warning | LOX | 26 hr | |
| Jan 17, 2:38 PM PST | Small Craft Advisory for Rough Bar | MTR | 5 days | |
| Jan 17, 2:45 PM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, San Benito, City and County of San Francisco and 4 more | 24 hr |
| Jan 17, 6:29 PM PST | High Surf Advisory | LOX | Los Angeles | 7 days |
| Jan 17, 6:39 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 33 hr |
| Jan 17, 8:05 PM PST | High Wind Warning | MTR | Monterey, San Mateo, Santa Cruz | 19 hr |
| Jan 17, 8:32 PM PST | Storm Warning | LOX | 18 hr | |
| Jan 17, 8:44 PM PST | Wind Advisory | STO | 21 hr | |
| Jan 17, 9:41 PM PST | Gale Watch | EKA | 5 hr | |
| Jan 18, 2:17 AM PST | Gale Watch | LOX | 24 hr | |
| Jan 18, 2:17 AM PST | Gale Warning | LOX | 13 hr | |
| Jan 18, 2:17 AM PST | Small Craft Advisory | LOX | 41 hr | |
| Jan 18, 2:22 AM PST | Gale Warning | EKA | 41 hr | |
| Jan 18, 2:22 AM PST | Hazardous Seas Warning | EKA | 3 days | |
| Jan 18, 2:35 AM PST | High Surf Advisory | EKA | 3 days | |
| Jan 18, 2:46 AM PST | High Surf Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 3 days |
| Jan 18, 2:57 AM PST | Wind Advisory | LOX | Los Angeles, Santa Barbara | 17 hr |
| Jan 18, 3:00 AM PST | Gale Warning | MTR | 32 hr | |
| Jan 18, 3:04 AM PST | Winter Storm Watch | EKA | 11 hr | |
| Jan 18, 3:36 AM PST | Wind Advisory | EKA | 12 hr | |
| Jan 18, 3:38 AM PST | Winter Storm Watch | MFR | Siskiyou | 11 hr |
| Jan 18, 3:58 AM PST | High Surf Advisory | SGX | San Diego | 7 days |
| Jan 18, 3:59 AM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 15 hr |
| Jan 18, 3:59 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 15 hr |
| Jan 18, 4:02 AM PST | Winter Weather Advisory | REV | Modoc | 21 hr |
| Jan 18, 4:20 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 14 hr |
| Jan 18, 7:05 AM PST | Gale Warning | SGX | 12 hr | |
| Jan 18, 9:07 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 5 hr |
| Jan 18, 9:40 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, City and County of San Francisco and 4 more | 3 hr |
| Jan 18, 9:54 AM PST | Special Marine Warning | MTR | 21 min | |
| Jan 18, 10:03 AM PST | Mesoscale Discussion | SPC | Alpine, Tuolumne | 4 hr |
| Jan 18, 10:06 AM PST | Special Marine Warning | MTR | 24 min | |
| Jan 18, 10:16 AM PST | Mesoscale Discussion | SPC | Alameda, San Mateo, Santa Clara, Santa Cruz | 59 min |
| Jan 18, 10:24 AM PST | Special Marine Warning | MTR | 30 min | |
| Jan 18, 10:24 AM PST | Special Weather Statement | MTR | Alameda, Santa Clara, Santa Cruz | 51 min |
| Jan 18, 10:33 AM PST | Coastal Flood Watch | LOX | Los Angeles | 59 hr |
| Jan 18, 10:55 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 6 hr |
| Jan 18, 11:02 AM PST | Severe Thunderstorm Warning | MTR | Santa Clara, Santa Cruz | 43 min |
| Jan 18, 11:07 AM PST | Flash Flood Warning | LOX | Santa Barbara | 113 min |
| Jan 18, 11:15 AM PST | Special Weather Statement | LOX | 45 min | |
| Jan 18, 11:35 AM PST | Special Weather Statement | MTR | 40 min | |
| Jan 18, 12:01 PM PST | Wind Advisory | MFR | Siskiyou | 4 hr |
| Jan 18, 12:17 PM PST | Flash Flood Warning | LOX | Los Angeles | 4 hr |
| Jan 18, 12:28 PM PST | Severe Thunderstorm Warning | HNX | Fresno, Kern, Kings, Tulare | 47 min |
| Jan 18, 1:00 PM PST | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Jan 18, 1:35 PM PST | Wind Advisory | PSR | 6 hr | |
| Jan 18, 1:35 PM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 3 hr |
| Jan 18, 1:39 PM PST | Areal Flood Advisory | HNX | Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more | 3 hr |
| Jan 18, 1:45 PM PST | Special Weather Statement | HNX | Kern, Tulare | 60 min |
| Jan 18, 2:15 PM PST | Winter Storm Warning | MFR | Siskiyou | 32 hr |
| Jan 18, 2:23 PM PST | Gale Watch | EKA | 12 hr | |
| Jan 18, 2:25 PM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Diego | 3 hr |
| Jan 18, 2:31 PM PST | Winter Storm Warning | EKA | 61 hr | |
| Jan 18, 2:31 PM PST | Gale Warning | MTR | 25 hr | |
| Jan 18, 2:50 PM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, San Benito, City and County of San Francisco and 4 more | 22 hr |
| Jan 18, 2:59 PM PST | Special Weather Statement | HNX | 46 min | |
| Jan 18, 3:02 PM PST | Special Weather Statement | HNX | Fresno, Kings | 73 min |
| Jan 18, 3:24 PM PST | Tornado Warning | HNX | Fresno, Madera | 19 min |
| Jan 18, 4:00 PM PST | Flash Flood Warning | SGX | San Diego | 60 min |
| Jan 18, 4:05 PM PST | Wind Advisory | EKA | 18 hr | |
| Jan 18, 4:19 PM PST | Special Weather Statement | HNX | Fresno | 56 min |
| Jan 18, 4:22 PM PST | Winter Weather Advisory | STO | 6 hr | |
| Jan 18, 4:25 PM PST | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Jan 18, 5:34 PM PST | Areal Flood Advisory | SGX | San Diego | 86 min |
| Jan 18, 6:05 PM PST | Wind Advisory | STO | 24 hr | |
| Jan 18, 8:40 PM PST | Winter Weather Advisory | HNX | 24 hr | |
| Jan 18, 8:41 PM PST | Storm Warning | EKA | 12 hr | |
| Jan 18, 9:02 PM PST | Coastal Flood Watch | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 31 hr |
| Jan 18, 9:40 PM PST | Wind Advisory | STO | 20 hr | |
| Jan 18, 11:18 PM PST | High Wind Watch | MTR | Alameda, Contra Costa, Marin, Monterey, San Benito, City and County of San Francisco and 4 more | 14 hr |
| Jan 19, 1:59 AM PST | Winter Weather Advisory | VEF | Inyo | 22 hr |
| Jan 19, 2:14 AM PST | Gale Warning | LOX | 13 hr | |
| Jan 19, 2:14 AM PST | Storm Watch | LOX | 24 hr | |
| Jan 19, 2:21 AM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 25 hr |
| Jan 19, 2:21 AM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 20 hr |
| Jan 19, 2:54 AM PST | Special Marine Warning | MTR | 21 min | |
| Jan 19, 2:55 AM PST | High Wind Watch | STO | 18 hr | |
| Jan 19, 3:11 AM PST | Special Marine Warning | MTR | 49 min | |
| Jan 19, 3:20 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 15 hr |
| Jan 19, 3:29 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 15 hr |
| Jan 19, 3:37 AM PST | High Wind Watch | LOX | Los Angeles, Santa Barbara | 24 hr |
| Jan 19, 3:37 AM PST | Wind Advisory | LOX | Los Angeles, Santa Barbara | 11 hr |
| Jan 19, 3:37 AM PST | High Wind Watch | MFR | Siskiyou | 25 hr |
| Jan 19, 3:37 AM PST | Wind Advisory | MFR | Siskiyou | 11 hr |
| Jan 19, 3:42 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 14 hr |
| Jan 19, 3:56 AM PST | Mesoscale Discussion | SPC | Trinity | 4 hr |
| Jan 19, 4:00 AM PST | Winter Storm Watch | MFR | Siskiyou | 11 hr |
| Jan 19, 4:15 AM PST | Wind Advisory | HNX | 12 hr | |
| Jan 19, 4:20 AM PST | Winter Storm Watch | LOX | 18 hr | |
| Jan 19, 4:20 AM PST | Winter Weather Advisory | LOX | 30 hr | |
| Jan 19, 4:22 AM PST | Coastal Flood Advisory | LOX | Los Angeles | 27 hr |
| Jan 19, 4:30 AM PST | Special Marine Warning | MTR | 30 min | |
| Jan 19, 4:38 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more | 3 hr |
| Jan 19, 4:50 AM PST | Special Marine Warning | MTR | 25 min | |
| Jan 19, 5:50 AM PST | Special Marine Warning | MTR | 25 min | |
| Jan 19, 5:52 AM PST | Areal Flood Advisory | STO | Butte, Colusa, Glenn, Placer, Sacramento, San Joaquin and 6 more | 8 hr |
| Jan 19, 9:22 AM PST | Mesoscale Discussion | SPC | Santa Barbara, Ventura | 83 min |
| Jan 19, 9:56 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara, Ventura | 4 hr |
| Jan 19, 10:15 AM PST | Winter Weather Advisory | EKA | 54 hr | |
| Jan 19, 11:21 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 3 hr |
| Jan 19, 11:25 AM PST | Gale Warning | MTR | 3 hr | |
| Jan 19, 11:34 AM PST | Areal Flood Advisory | HNX | Fresno, Kern, Kings, Madera, Tulare | 9 hr |
| Jan 19, 12:02 PM PST | Mesoscale Discussion | SPC | Orange, Ventura | 58 min |
| Jan 19, 12:04 PM PST | Special Marine Warning | LOX | 56 min | |
| Jan 19, 12:36 PM PST | Tornado Warning | LOX | Los Angeles | 39 min |
| Jan 19, 12:45 PM PST | Tornado Warning | SGX | Orange | 45 min |
| Jan 19, 12:51 PM PST | High Wind Warning | MTR | Alameda, Contra Costa, Marin, Monterey, San Mateo, Santa Clara and 2 more | 23 hr |
| Jan 19, 12:51 PM PST | Wind Advisory | MTR | Monterey, San Benito, City and County of San Francisco, Santa Clara, Santa Cruz | 23 hr |
| Jan 19, 1:28 PM PST | Tornado Warning | SGX | Orange | 22 min |
| Jan 19, 1:42 PM PST | Special Marine Warning | SGX | 61 min | |
| Jan 19, 1:54 PM PST | Tornado Warning | SGX | Orange, San Diego | 36 min |
| Jan 19, 1:57 PM PST | Areal Flood Advisory | STO | El Dorado, Nevada, Placer, Sacramento, Sutter, Yolo and 1 more | 2 hr |
| Jan 19, 2:00 PM PST | Severe Thunderstorm Warning | SGX | Riverside, San Bernardino | 45 min |
| Jan 19, 2:09 PM PST | Areal Flood Advisory | HNX | Kern | 6 hr |
| Jan 19, 2:23 PM PST | Gale Warning | MTR | 21 hr | |
| Jan 19, 2:23 PM PST | Storm Warning | MTR | 21 hr | |
| Jan 19, 2:24 PM PST | Severe Thunderstorm Warning | SGX | Orange, Riverside, San Diego | 51 min |
| Jan 19, 2:34 PM PST | Winter Storm Warning | MFR | Siskiyou | 37 hr |
| Jan 19, 2:34 PM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 37 hr |
| Jan 19, 2:35 PM PST | Tornado Warning | SGX | San Diego | 40 min |
| Jan 19, 2:41 PM PST | Special Weather Statement | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 79 min |
| Jan 19, 2:52 PM PST | Wind Advisory | MFR | Siskiyou | 26 hr |
| Jan 19, 2:56 PM PST | Special Weather Statement | STO | Yolo | 64 min |
| Jan 19, 3:05 PM PST | Winter Storm Warning | VEF | Inyo | 61 hr |
| Jan 19, 3:06 PM PST | Special Weather Statement | MTR | Alameda, Contra Costa, Marin, Napa, San Benito, San Mateo and 3 more | 54 min |
| Jan 19, 3:08 PM PST | Severe Thunderstorm Warning | STO | Solano, Yolo | 38 min |
| Jan 19, 3:15 PM PST | Wind Advisory | EKA | 23 hr | |
| Jan 19, 3:21 PM PST | Gale Warning | EKA | 31 hr | |
| Jan 19, 3:21 PM PST | Gale Warning | EKA | 31 hr | |
| Jan 19, 3:21 PM PST | Storm Warning | EKA | 21 hr | |
| Jan 19, 3:29 PM PST | Flood Watch | VEF | San Bernardino | 54 hr |
| Jan 19, 3:34 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 60 hr |
| Jan 19, 3:53 PM PST | Mesoscale Discussion | SPC | Fresno, Merced, Napa, Sacramento, San Joaquin, Solano and 3 more | 97 min |
| Jan 19, 3:56 PM PST | Special Marine Warning | MTR | 15 min | |
| Jan 19, 4:04 PM PST | Special Weather Statement | MTR | Alameda, Contra Costa, Napa, San Benito, San Mateo, Santa Clara and 1 more | 56 min |
| Jan 19, 4:07 PM PST | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Jan 19, 4:11 PM PST | High Wind Watch | HNX | 13 hr | |
| Jan 19, 4:35 PM PST | Mesoscale Discussion | SPC | Imperial | 115 min |
| Jan 19, 4:38 PM PST | Special Weather Statement | STO | Butte, Colusa, Glenn, Sacramento, San Joaquin, Solano and 3 more | 52 min |
| Jan 19, 5:06 PM PST | Special Weather Statement | MTR | Monterey, San Benito, Santa Clara, Santa Cruz | 54 min |
| Jan 19, 5:28 PM PST | Special Weather Statement | STO | Sacramento, Sutter | 62 min |
| Jan 19, 6:24 PM PST | Special Marine Warning | MTR | 21 min | |
| Jan 19, 6:25 PM PST | Special Weather Statement | HNX | Merced | 50 min |
| Jan 19, 6:51 PM PST | Coastal Flood Watch | SGX | San Diego | 33 hr |
| Jan 19, 6:55 PM PST | Severe Thunderstorm Warning | MTR | Monterey | 18 min |
| Jan 19, 7:24 PM PST | Special Marine Warning | MTR | 36 min | |
| Jan 19, 8:00 PM PST | Gale Watch | LOX | 6 hr | |
| Jan 19, 8:00 PM PST | Small Craft Advisory | LOX | 17 hr | |
| Jan 19, 8:51 PM PST | River Flood Watch | EKA | Mendocino | 15 hr |
| Jan 19, 8:56 PM PST | High Wind Warning | STO | 20 hr | |
| Jan 19, 8:59 PM PST | High Wind Warning | LOX | Los Angeles, Santa Barbara | 23 hr |
| Jan 19, 10:12 PM PST | Coastal Flood Warning | LOX | Los Angeles | 68 hr |
| Jan 19, 10:41 PM PST | Winter Storm Warning | LOX | 71 hr | |
| Jan 19, 11:45 PM PST | Special Marine Warning | LOX | 47 min | |
| Jan 20, 12:31 AM PST | Gale Watch | SGX | 8 hr | |
| Jan 20, 12:31 AM PST | Small Craft Advisory | SGX | 4 days | |
| Jan 20, 2:18 AM PST | Gale Warning | LOX | 11 hr | |
| Jan 20, 2:18 AM PST | Small Craft Advisory | LOX | 31 hr | |
| Jan 20, 2:18 AM PST | Storm Warning | LOX | 11 hr | |
| Jan 20, 2:46 AM PST | Winter Weather Advisory | VEF | San Bernardino | 49 hr |
| Jan 20, 3:00 AM PST | Winter Weather Advisory | REV | Modoc | 24 hr |
| Jan 20, 3:19 AM PST | Flash Flood Watch | PSR | 40 hr | |
| Jan 20, 3:41 AM PST | Special Weather Statement | LOX | Los Angeles | 49 min |
| Jan 20, 3:57 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 17 hr |
| Jan 20, 4:06 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 18 hr |
| Jan 20, 4:17 AM PST | Coastal Flood Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 8 hr |
| Jan 20, 4:26 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 16 hr |
| Jan 20, 4:52 AM PST | High Wind Warning | HNX | 11 hr | |
| Jan 20, 4:52 AM PST | Wind Advisory | HNX | 11 hr | |
| Jan 20, 5:01 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 6 hr |
| Jan 20, 5:34 AM PST | Special Marine Warning | LOX | 41 min | |
| Jan 20, 5:37 AM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo, Santa Barbara | 83 min |
| Jan 20, 5:58 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 9 hr |
| Jan 20, 6:39 AM PST | Special Marine Warning | LOX | 36 min | |
| Jan 20, 8:10 AM PST | Areal Flood Advisory | STO | Amador, Butte, Calaveras, Colusa, El Dorado, Glenn and 13 more | 12 hr |
| Jan 20, 8:28 AM PST | Mesoscale Discussion | SPC | El Dorado, Nevada, Sierra, Tuolumne | 4 hr |
| Jan 20, 8:42 AM PST | Gale Warning | SGX | 11 hr | |
| Jan 20, 8:47 AM PST | Coastal Flood Advisory | SGX | San Diego | 19 hr |
| Jan 20, 9:01 AM PST | Flash Flood Warning | MTR | Sonoma | 119 min |
| Jan 20, 9:03 AM PST | High Wind Watch | PSR | 18 hr | |
| Jan 20, 9:08 AM PST | Severe Thunderstorm Warning | MTR | San Mateo | 22 min |
| Jan 20, 9:14 AM PST | Areal Flood Advisory | HNX | Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more | 32 hr |
| Jan 20, 9:17 AM PST | Special Marine Warning | MTR | 28 min | |
| Jan 20, 9:29 AM PST | Severe Thunderstorm Warning | MTR | Monterey | 22 min |
| Jan 20, 9:34 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 9 hr |
| Jan 20, 9:58 AM PST | Mesoscale Discussion | SPC | Monterey, San Mateo, Santa Barbara, Santa Cruz, Ventura | 92 min |
| Jan 20, 9:59 AM PST | Wind Advisory | VEF | 11 hr | |
| Jan 20, 10:17 AM PST | Special Marine Warning | LOX | 43 min | |
| Jan 20, 10:38 AM PST | Special Weather Statement | STO | Sutter, Yolo | 52 min |
| Jan 20, 10:58 AM PST | Special Marine Warning | LOX | 47 min | |
| Jan 20, 11:06 AM PST | Flash Flood Warning | MTR | Sonoma | 3 hr |
| Jan 20, 11:36 AM PST | River Flood Warning | EKA | Mendocino | 10 hr |
| Jan 20, 11:46 AM PST | Small Craft Advisory | MTR | 64 hr | |
| Jan 20, 11:47 AM PST | Special Weather Statement | STO | Sacramento | 73 min |
| Jan 20, 11:51 AM PST | Special Marine Warning | LOX | 39 min | |
| Jan 20, 12:03 PM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 3 hr |
| Jan 20, 12:38 PM PST | Special Weather Statement | MTR | Santa Clara | 52 min |
| Jan 20, 12:55 PM PST | Areal Flood Advisory | VEF | San Bernardino | 6 hr |
| Jan 20, 1:21 PM PST | Gale Warning | LOX | 99 min | |
| Jan 20, 1:45 PM PST | Special Weather Statement | MTR | Santa Cruz | 30 min |
| Jan 20, 1:54 PM PST | Special Weather Statement | MTR | Santa Clara | 66 min |
| Jan 20, 2:07 PM PST | Tornado Warning | MTR | Santa Clara, Santa Cruz | 23 min |
| Jan 20, 2:14 PM PST | Special Weather Statement | STO | Colusa, Sacramento, San Joaquin, Solano, Stanislaus, Sutter and 2 more | 61 min |
| Jan 20, 2:16 PM PST | Special Weather Statement | MTR | Santa Clara, Santa Cruz | 59 min |
| Jan 20, 2:19 PM PST | Special Marine Warning | LOX | 26 min | |
| Jan 20, 2:21 PM PST | Severe Thunderstorm Warning | MTR | Monterey | 24 min |
| Jan 20, 2:30 PM PST | Wind Advisory | LOX | Los Angeles | 6 hr |
| Jan 20, 2:42 PM PST | Severe Thunderstorm Warning | MTR | Monterey | 33 min |
| Jan 20, 2:45 PM PST | Special Weather Statement | LOX | Los Angeles | 30 min |
| Jan 20, 2:45 PM PST | Special Weather Statement | STO | Sacramento, San Joaquin, Stanislaus, Sutter, Yolo, Yuba | 75 min |
| Jan 20, 2:48 PM PST | Winter Weather Advisory | STO | 36 hr | |
| Jan 20, 2:55 PM PST | Mesoscale Discussion | SPC | Los Angeles, Monterey, Orange, San Benito, San Luis Obispo, Santa Barbara and 1 more | 95 min |
| Jan 20, 2:58 PM PST | River Flood Advisory | EKA | Mendocino | 21 hr |
| Jan 20, 3:00 PM PST | Gale Watch | LOX | 6 hr | |
| Jan 20, 3:05 PM PST | Special Weather Statement | MTR | Monterey | 25 min |
| Jan 20, 3:42 PM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Jan 20, 3:59 PM PST | Special Weather Statement | STO | Butte, Sacramento, San Joaquin, Stanislaus, Sutter, Yuba | 46 min |
| Jan 20, 4:04 PM PST | Special Weather Statement | STO | Butte, Sacramento, San Joaquin, Stanislaus, Sutter, Yuba | 41 min |
| Jan 20, 4:05 PM PST | River Flood Warning | STO | Tehama | 27 hr |
| Jan 20, 4:09 PM PST | Special Marine Warning | SGX | 96 min | |
| Jan 20, 4:41 PM PST | Winter Weather Advisory | LOX | 3 hr | |
| Jan 20, 4:43 PM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 4 hr |
| Jan 20, 4:54 PM PST | Special Weather Statement | LOX | San Luis Obispo, Santa Barbara | 51 min |
| Jan 20, 4:56 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 34 min |
| Jan 20, 5:07 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo, Santa Barbara, Ventura | 38 min |
| Jan 20, 5:11 PM PST | Special Weather Statement | MTR | San Benito | 49 min |
| Jan 20, 5:14 PM PST | Special Weather Statement | MTR | Napa | 46 min |
| Jan 20, 5:26 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 34 min |
| Jan 20, 5:36 PM PST | Special Marine Warning | MTR | 24 min | |
| Jan 20, 5:51 PM PST | Areal Flood Advisory | SGX | San Bernardino | 3 hr |
| Jan 20, 6:34 PM PST | Special Weather Statement | MTR | San Mateo | 26 min |
| Jan 20, 6:40 PM PST | Special Weather Statement | HNX | Fresno, Kern, Kings, Tulare | 65 min |
| Jan 20, 6:46 PM PST | Areal Flood Advisory | VEF | San Bernardino | 119 min |
| Jan 20, 7:01 PM PST | Special Weather Statement | MTR | San Mateo | 29 min |
| Jan 20, 7:18 PM PST | Special Marine Warning | MTR | 27 min | |
| Jan 20, 7:32 PM PST | Special Weather Statement | MTR | Alameda | 28 min |
| Jan 20, 7:36 PM PST | Areal Flood Advisory | VEF | San Bernardino | 84 min |
| Jan 20, 8:41 PM PST | Areal Flood Advisory | VEF | San Bernardino | 109 min |
| Jan 20, 8:43 PM PST | Special Weather Statement | MTR | Marin | 47 min |
| Jan 20, 8:56 PM PST | Gale Warning | LOX | 22 hr | |
| Jan 20, 9:06 PM PST | Gale Warning | MTR | 6 hr | |
| Jan 20, 10:17 PM PST | Special Weather Statement | STO | Solano | 58 min |
| Jan 21, 2:50 AM PST | High Wind Warning | PSR | 18 hr | |
| Jan 21, 2:50 AM PST | Wind Advisory | PSR | 18 hr | |
| Jan 21, 3:06 AM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 25 hr |
| Jan 21, 3:26 AM PST | Wind Advisory | LOX | Santa Barbara | 22 hr |
| Jan 21, 3:26 AM PST | Winter Weather Advisory | MFR | Siskiyou | 7 hr |
| Jan 21, 3:37 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 38 hr |
| Jan 21, 3:58 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 38 hr |
| Jan 21, 4:07 AM PST | Small Craft Advisory | MTR | 47 hr | |
| Jan 21, 4:09 AM PST | Coastal Flood Warning | SGX | San Diego | 42 hr |
| Jan 21, 4:12 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 38 hr |
| Jan 21, 6:34 AM PST | Areal Flood Advisory | PSR | Imperial, Riverside | 101 min |
| Jan 21, 7:01 AM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 8 hr |
| Jan 21, 8:06 AM PST | Gale Warning | SGX | 12 hr | |
| Jan 21, 8:08 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 16 hr |
| Jan 21, 8:22 AM PST | Wind Advisory | HNX | 7 hr | |
| Jan 21, 8:29 AM PST | Areal Flood Advisory | PSR | Imperial, Riverside | 106 min |
| Jan 21, 8:39 AM PST | Small Craft Advisory for Hazardous Seas | EKA | 3 days | |
| Jan 21, 8:42 AM PST | Small Craft Advisory for Hazardous Seas | MTR | 43 hr | |
| Jan 21, 8:57 AM PST | Areal Flood Advisory | VEF | San Bernardino | 12 hr |
| Jan 21, 9:54 AM PST | Flash Flood Warning | PSR | Imperial | 2 hr |
| Jan 21, 10:12 AM PST | River Flood Warning | SGX | San Diego | 11 hr |
| Jan 21, 10:27 AM PST | Special Weather Statement | LOX | San Luis Obispo | 63 min |
| Jan 21, 10:47 AM PST | Areal Flood Advisory | PSR | Imperial | 118 min |
| Jan 21, 10:55 AM PST | Special Marine Warning | SGX | 73 min | |
| Jan 21, 10:56 AM PST | Flash Flood Warning | SGX | Orange, Riverside, San Diego | 3 hr |
| Jan 21, 11:17 AM PST | Winter Weather Advisory | HNX | 29 hr | |
| Jan 21, 11:34 AM PST | Severe Thunderstorm Warning | LOX | Santa Barbara | 26 min |
| Jan 21, 11:34 AM PST | Severe Thunderstorm Warning | SGX | San Diego | 64 min |
| Jan 21, 11:51 AM PST | Mesoscale Discussion | SPC | Orange, Santa Barbara, Ventura | 54 min |
| Jan 21, 12:02 PM PST | Flash Flood Warning | PSR | Imperial, Riverside | 3 hr |
| Jan 21, 12:06 PM PST | Flash Flood Warning | SGX | San Diego | 84 min |
| Jan 21, 12:18 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 22 min |
| Jan 21, 12:27 PM PST | Areal Flood Advisory | HNX | Kern | 2 hr |
| Jan 21, 12:43 PM PST | Areal Flood Advisory | LOX | Los Angeles, Santa Barbara, Ventura | 12 hr |
| Jan 21, 12:44 PM PST | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Jan 21, 12:47 PM PST | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Jan 21, 12:51 PM PST | Areal Flood Advisory | SGX | San Bernardino | 3 hr |
| Jan 21, 12:51 PM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 84 min |
| Jan 21, 1:25 PM PST | Flash Flood Watch | VEF | San Bernardino | 8 hr |
| Jan 21, 1:30 PM PST | Winter Weather Advisory | STO | 14 hr | |
| Jan 21, 2:23 PM PST | High Surf Advisory | MTR | Marin, Monterey, San Mateo, Santa Cruz, Sonoma | 38 hr |
| Jan 21, 2:34 PM PST | Mesoscale Discussion | SPC | Imperial | 56 min |
| Jan 21, 2:42 PM PST | Areal Flood Advisory | LOX | Los Angeles | 10 hr |
| Jan 21, 2:44 PM PST | Special Weather Statement | PSR | Imperial | 61 min |
| Jan 21, 3:12 PM PST | Tornado Watch | SPC | Imperial, Riverside | 9 hr |
| Jan 21, 3:14 PM PST | Tornado Warning | PSR | Imperial, Riverside | 46 min |
| Jan 21, 3:31 PM PST | Severe Thunderstorm Warning | PSR | Imperial, Riverside | 59 min |
| Jan 21, 3:47 PM PST | Severe Thunderstorm Warning | PSR | Imperial | 45 min |
| Jan 21, 3:48 PM PST | Flash Flood Warning | VEF | San Bernardino | 117 min |
| Jan 21, 4:44 PM PST | Flash Flood Warning | VEF | Inyo | 2 hr |
| Jan 21, 5:41 PM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 49 min |
| Jan 21, 5:53 PM PST | Areal Flood Advisory | SGX | San Bernardino | 2 hr |
| Jan 21, 5:54 PM PST | Flash Flood Warning | LOX | Los Angeles | 111 min |
| Jan 21, 6:01 PM PST | Severe Thunderstorm Warning | LOX | Ventura | 44 min |
| Jan 21, 6:06 PM PST | Areal Flood Advisory | HNX | Fresno, Kern, Kings, Madera, Mariposa, Merced and 2 more | 24 hr |
| Jan 21, 6:06 PM PST | Severe Thunderstorm Warning | LOX | Los Angeles, Ventura | 39 min |
| Jan 21, 6:12 PM PST | Special Marine Warning | SGX | 93 min | |
| Jan 21, 6:18 PM PST | Special Weather Statement | HNX | Fresno, Kings, Madera, Mariposa, Merced | 87 min |
| Jan 21, 6:30 PM PST | Mesoscale Discussion | SPC | Los Angeles, Orange, San Diego, Ventura | 60 min |
| Jan 21, 6:34 PM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 56 min |
| Jan 21, 6:46 PM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 44 min |
| Jan 21, 6:55 PM PST | Small Craft Advisory | LOX | 14 hr | |
| Jan 21, 7:35 PM PST | Special Weather Statement | LOX | Los Angeles | 25 min |
| Jan 21, 7:42 PM PST | Severe Thunderstorm Warning | LOX | Los Angeles | 18 min |
| Jan 21, 7:48 PM PST | Flash Flood Warning | LOX | Los Angeles | 117 min |
| Jan 21, 8:14 PM PST | Areal Flood Advisory | SGX | San Bernardino | 5 hr |
| Jan 21, 8:41 PM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 49 min |
| Jan 21, 9:28 PM PST | Areal Flood Advisory | STO | Amador, Calaveras, Colusa, El Dorado, Nevada, Placer and 7 more | 4 hr |
| Jan 22, 2:02 AM PST | Winter Weather Advisory | SGX | Riverside, San Bernardino | 16 hr |
| Jan 22, 2:56 AM PST | Small Craft Advisory for Hazardous Seas | LOX | 63 hr | |
| Jan 22, 4:22 AM PST | Winter Weather Advisory | LOX | 23 hr | |
| Jan 22, 4:34 AM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 41 min |
| Jan 22, 4:35 AM PST | Special Weather Statement | LOX | Los Angeles, Ventura | 40 min |
| Jan 22, 7:46 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 10 hr |
| Jan 22, 8:32 AM PST | Special Weather Statement | LOX | San Luis Obispo | 43 min |
| Jan 22, 9:18 AM PST | Small Craft Advisory for Rough Bar | MTR | 39 hr | |
| Jan 22, 9:31 AM PST | Winter Weather Advisory | STO | 10 hr | |
| Jan 22, 10:09 AM PST | Special Weather Statement | LOX | Santa Barbara | 51 min |
| Jan 22, 11:00 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 2 hr |
| Jan 22, 12:03 PM PST | Special Weather Statement | LOX | Los Angeles | 27 min |
| Jan 22, 1:30 PM PST | Special Weather Statement | LOX | San Luis Obispo | 30 min |
| Jan 22, 2:01 PM PST | Special Weather Statement | LOX | Los Angeles | 44 min |
| Jan 22, 2:11 PM PST | Gale Watch | EKA | 13 hr | |
| Jan 22, 2:11 PM PST | Hazardous Seas Watch | EKA | 24 hr | |
| Jan 22, 2:20 PM PST | Special Weather Statement | LOX | San Luis Obispo | 40 min |
| Jan 22, 3:13 PM PST | Special Weather Statement | LOX | Los Angeles | 47 min |
| Jan 22, 3:29 PM PST | Special Weather Statement | LOX | San Luis Obispo, Santa Barbara | 46 min |
| Jan 22, 4:01 PM PST | Special Weather Statement | LOX | Los Angeles | 59 min |
| Jan 22, 4:11 PM PST | Special Weather Statement | HNX | Fresno, Madera, Mariposa, Merced | 79 min |
| Jan 22, 5:39 PM PST | Special Weather Statement | HNX | Fresno, Kings | 51 min |
| Jan 22, 6:09 PM PST | Winter Weather Advisory | SGX | Riverside, San Diego | 8 hr |
| Jan 22, 6:57 PM PST | Special Marine Warning | SGX | 33 min | |
| Jan 23, 3:13 AM PST | Gale Warning | EKA | 46 hr | |
| Jan 23, 3:13 AM PST | Hazardous Seas Warning | EKA | 65 hr | |
| Jan 23, 3:18 AM PST | Wind Advisory | MFR | Siskiyou | 45 hr |
| Jan 23, 3:18 AM PST | Winter Weather Advisory | MFR | Siskiyou | 46 hr |
| Jan 23, 3:34 AM PST | Small Craft Advisory for Hazardous Seas | MTR | 17 hr | |
| Jan 23, 6:40 AM PST | High Surf Advisory | MTR | Monterey | 8 hr |
| Jan 23, 1:05 PM PST | Tornado Warning | MTR | Contra Costa | 25 min |
| Jan 23, 1:32 PM PST | Tornado Warning | MTR | Contra Costa | 28 min |
| Jan 23, 1:56 PM PST | Special Weather Statement | STO | San Joaquin | 49 min |
| Jan 23, 2:02 PM PST | Winter Weather Advisory | EKA | 37 hr | |
| Jan 23, 3:03 PM PST | Winter Storm Warning | MFR | Siskiyou | 34 hr |
| Jan 23, 3:12 PM PST | Winter Storm Watch | STO | 12 hr | |
| Jan 23, 3:12 PM PST | Winter Weather Advisory | STO | 37 hr | |
| Jan 23, 8:27 PM PST | Small Craft Advisory | MTR | 60 hr | |
| Jan 24, 3:33 AM PST | Winter Storm Warning | STO | 48 hr | |
| Jan 24, 2:07 PM PST | Small Craft Advisory for Rough Bar | MTR | 54 hr | |
| Jan 24, 2:15 PM PST | High Surf Advisory | EKA | 17 hr | |
| Jan 24, 2:37 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 33 hr |
| Jan 24, 3:14 PM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more | 37 hr |
| Jan 25, 12:18 AM PST | High Wind Warning | MFR | Siskiyou | 3 hr |
| Jan 25, 2:38 AM PST | Small Craft Advisory for Winds | EKA | 18 hr | |
| Jan 25, 3:06 AM PST | Wind Advisory | MFR | Siskiyou | 7 hr |
| Jan 25, 3:06 AM PST | Winter Storm Warning | MFR | Modoc, Siskiyou | 28 hr |
| Jan 25, 3:06 AM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 28 hr |
| Jan 25, 3:19 AM PST | Small Craft Advisory | LOX | 42 hr | |
| Jan 25, 3:32 AM PST | Winter Weather Advisory | EKA | 23 hr | |
| Jan 25, 5:43 AM PST | Areal Flood Advisory | MTR | Marin, Napa, City and County of San Francisco, Sonoma | 9 hr |
| Jan 25, 7:27 AM PST | High Surf Warning | EKA | 6 hr | |
| Jan 25, 9:47 AM PST | River Flood Warning | EKA | Mendocino | 23 hr |
| Jan 25, 12:49 PM PST | Coastal Flood Statement | LOX | 36 hr | |
| Jan 25, 12:49 PM PST | High Surf Advisory | LOX | 30 hr | |
| Jan 25, 1:16 PM PST | Areal Flood Advisory | STO | Butte, Colusa, El Dorado, Glenn, Nevada, Placer and 5 more | 12 hr |
| Jan 25, 1:44 PM PST | High Surf Advisory | EKA | 7 hr | |
| Jan 25, 3:43 PM PST | River Flood Advisory | EKA | Mendocino | 18 hr |
| Jan 25, 6:05 PM PST | High Surf Warning | MTR | Marin, City and County of San Francisco, Sonoma | 6 hr |
| Jan 25, 8:31 PM PST | Small Craft Advisory | EKA | 6 hr | |
| Jan 25, 8:31 PM PST | Small Craft Advisory for Hazardous Seas | EKA | 18 hr | |
| Jan 25, 9:00 PM PST | Small Craft Advisory for Hazardous Seas | LOX | 24 hr | |
| Jan 26, 12:14 AM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 9 hr |
| Jan 26, 3:12 AM PST | Winter Weather Advisory | LOX | 24 hr | |
| Jan 26, 11:10 PM PST | Areal Flood Advisory | PSR | Imperial, Riverside | 58 min |
| Jan 27, 2:43 AM PST | Small Craft Advisory | LOX | 24 hr | |
| Jan 28, 2:34 AM PST | Small Craft Advisory | EKA | 60 hr | |
| Jan 28, 4:28 AM PST | Dense Fog Advisory | STO | 6 hr | |
| Jan 28, 10:07 AM PST | Dense Fog Advisory | STO | 113 min | |
| Jan 28, 2:21 PM PST | Small Craft Advisory for Hazardous Seas | EKA | 64 hr | |
| Jan 29, 3:24 AM PST | Dense Fog Advisory | STO | 5 hr | |
| Jan 29, 9:06 AM PST | Small Craft Advisory for Winds | EKA | 3 hr | |
| Jan 29, 9:23 AM PST | Small Craft Advisory for Hazardous Seas | LOX | 54 hr | |
| Jan 29, 1:16 PM PST | High Surf Advisory | SGX | San Diego | 24 hr |
| Jan 29, 1:17 PM PST | Small Craft Advisory for Hazardous Seas | SGX | 11 hr | |
| Jan 29, 2:09 PM PST | High Surf Advisory | LOX | Los Angeles | 28 hr |
| Jan 29, 9:59 PM PST | Special Weather Statement | STO | Amador | 46 min |
| Jan 30, 5:41 PM PST | Coastal Flood Statement | LOX | 21 hr | |
| Jan 30, 9:12 PM PST | Small Craft Advisory | LOX | 6 hr | |
| Jan 31, 2:19 AM PST | Small Craft Advisory | EKA | 72 hr | |
| Jan 31, 5:06 AM PST | Dense Fog Advisory | MTR | Marin, Napa, Sonoma | 4 hr |
| Jan 31, 7:38 AM PST | Dense Fog Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 74 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Los Angeles County55
- San Diego County44
- San Bernardino County44
- Riverside County35
- Santa Cruz County32
- Monterey County30
- San Mateo County29
- Sonoma County28
- Marin County27
- Siskiyou County26
- Orange County26
- Santa Barbara County24
- City and County of San Francisco21
- Santa Clara County21
- Ventura County20
- El Dorado County17
- Nevada County17
- Placer County17
- Alameda County16
- Contra Costa County15
- Sierra County14
- San Luis Obispo County14
- Plumas County13
- Napa County13
- Alpine County13
- Fresno County13
- Sutter County13
- Imperial County13
- San Benito County12
- Sacramento County12
- Yolo County12
- Lassen County11
- San Joaquin County10
- Mono County9
- Kern County9
- Kings County9
- Yuba County9
- Solano County8
- Stanislaus County8
- Modoc County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.