Alert archive / California / 2011
Weather alerts in California, February 2011
332 weather alerts in February 2011, 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 February 2011. Tap one for its archive.
- Alerts
- 332
- Warnings
- 68
- Watches
- 50
- Advisories
- 186
- Busiest day
- February 17, 201132 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 |
|---|---|---|---|---|
| Feb 1, 2:19 AM PST | Dense Fog Advisory | MTR | Marin, Napa, Sonoma | 8 hr |
| Feb 1, 2:44 AM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 55 hr |
| Feb 1, 2:44 AM PST | Wind Advisory | SGX | Riverside, San Diego | 39 hr |
| Feb 1, 2:48 AM PST | Small Craft Advisory | MTR | 29 hr | |
| Feb 1, 3:06 AM PST | High Wind Warning | LOX | Los Angeles | 36 hr |
| Feb 1, 3:06 AM PST | Wind Advisory | LOX | Los Angeles | 49 hr |
| Feb 1, 3:21 AM PST | Freeze Warning | PSR | 54 hr | |
| Feb 1, 3:21 AM PST | Wind Advisory | PSR | 37 hr | |
| Feb 1, 3:30 AM PST | Wind Advisory | STO | 24 hr | |
| Feb 1, 3:55 AM PST | Dense Fog Advisory | STO | 6 hr | |
| Feb 1, 4:00 AM PST | Small Craft Advisory | LOX | 5 hr | |
| Feb 1, 9:16 AM PST | Gale Watch | LOX | 5 hr | |
| Feb 1, 1:08 PM PST | Red Flag Warning | PSR | Imperial, Riverside | 29 hr |
| Feb 1, 1:35 PM PST | Small Craft Advisory for Winds | SGX | 33 hr | |
| Feb 1, 2:34 PM PST | Small Craft Advisory | LOX | 23 hr | |
| Feb 2, 3:11 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 30 hr |
| Feb 2, 3:26 AM PST | Freeze Warning | PSR | 54 hr | |
| Feb 2, 1:53 PM PST | Frost Advisory | HNX | 19 hr | |
| Feb 2, 1:59 PM PST | Frost Advisory | SGX | Riverside, San Bernardino, San Diego | 19 hr |
| Feb 2, 1:59 PM PST | Freeze Warning | SGX | Riverside | 19 hr |
| Feb 3, 2:14 AM PST | Small Craft Advisory | MTR | 6 days | |
| Feb 3, 9:28 AM PST | Frost Advisory | SGX | Riverside, San Bernardino, San Diego | 24 hr |
| Feb 3, 9:28 AM PST | Freeze Warning | SGX | Riverside | 24 hr |
| Feb 3, 2:30 PM PST | Small Craft Advisory | EKA | 61 hr | |
| Feb 4, 2:56 PM PST | High Surf Advisory | LOX | 6 hr | |
| Feb 4, 3:27 PM PST | Wind Advisory | STO | 27 hr | |
| Feb 4, 9:04 PM PST | Coastal Flood Statement | LOX | 12 hr | |
| Feb 5, 2:22 AM PST | Gale Warning | MTR | 26 hr | |
| Feb 5, 2:52 AM PST | Wind Advisory | MTR | San Mateo, Santa Clara, Santa Cruz | 31 hr |
| Feb 5, 2:59 AM PST | Small Craft Advisory | LOX | 30 hr | |
| Feb 5, 3:00 AM PST | Gale Warning | EKA | 24 hr | |
| Feb 5, 3:00 AM PST | Small Craft Advisory | EKA | 24 hr | |
| Feb 5, 3:42 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 24 hr |
| Feb 5, 2:28 PM PST | Wind Advisory | LOX | Los Angeles | 24 hr |
| Feb 6, 2:25 AM PST | Dense Fog Advisory | SGX | San Diego | 6 hr |
| Feb 6, 3:11 AM PST | Gale Watch | EKA | 12 hr | |
| Feb 6, 3:11 AM PST | Small Craft Advisory | EKA | 35 hr | |
| Feb 6, 8:58 AM PST | Dense Fog Advisory | LOX | 2 hr | |
| Feb 6, 10:27 AM PST | Gale Watch | LOX | 28 hr | |
| Feb 6, 2:03 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 32 hr |
| Feb 6, 2:42 PM PST | Gale Watch | MTR | 12 hr | |
| Feb 6, 3:01 PM PST | Gale Warning | EKA | 60 hr | |
| Feb 7, 2:16 AM PST | Small Craft Advisory | LOX | 25 hr | |
| Feb 7, 2:33 AM PST | Gale Warning | MTR | 48 hr | |
| Feb 7, 2:50 AM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 30 hr |
| Feb 7, 3:20 AM PST | Wind Advisory | HNX | 28 hr | |
| Feb 7, 9:32 AM PST | Wind Advisory | LOX | Los Angeles | 17 hr |
| Feb 7, 1:38 PM PST | Wind Advisory | HNX | 29 hr | |
| Feb 7, 2:28 PM PST | Gale Warning | LOX | 31 hr | |
| Feb 7, 2:36 PM PST | Small Craft Advisory | EKA | 36 hr | |
| Feb 7, 3:14 PM PST | Wind Advisory | VEF | Inyo, San Bernardino | 23 hr |
| Feb 7, 3:39 PM PST | Wind Advisory | STO | 27 hr | |
| Feb 7, 6:24 PM PST | Wind Advisory | STO | 4 hr | |
| Feb 7, 9:07 PM PST | Hazardous Seas Warning | EKA | 5 hr | |
| Feb 7, 9:29 PM PST | High Wind Warning | VEF | Inyo | 10 hr |
| Feb 8, 1:42 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 59 hr |
| Feb 8, 2:24 AM PST | Frost Advisory | HNX | 30 hr | |
| Feb 8, 2:30 AM PST | Small Craft Advisory | LOX | 13 hr | |
| Feb 8, 3:40 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 24 hr |
| Feb 8, 8:15 AM PST | Wind Advisory | LOX | Los Angeles | 55 hr |
| Feb 8, 3:28 PM PST | Small Craft Advisory | LOX | 23 hr | |
| Feb 8, 9:23 PM PST | Small Craft Advisory | LOX | 5 hr | |
| Feb 8, 9:29 PM PST | Small Craft Advisory | MTR | 11 hr | |
| Feb 9, 2:34 AM PST | Small Craft Advisory | EKA | 24 hr | |
| Feb 9, 2:48 AM PST | Small Craft Advisory for Hazardous Seas | MTR | 6 hr | |
| Feb 9, 3:03 AM PST | Frost Advisory | HNX | 30 hr | |
| Feb 11, 8:32 PM PST | Small Craft Advisory | EKA | 54 hr | |
| Feb 12, 3:04 AM PST | High Wind Watch | MFR | Siskiyou | 24 hr |
| Feb 12, 3:04 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 24 hr |
| Feb 12, 3:14 AM PST | Gale Watch | EKA | 11 hr | |
| Feb 12, 12:58 PM PST | Wind Advisory | MFR | Siskiyou | 6 hr |
| Feb 12, 2:32 PM PST | Gale Watch | EKA | 13 hr | |
| Feb 12, 2:32 PM PST | Gale Warning | EKA | 66 hr | |
| Feb 12, 2:32 PM PST | Winter Storm Watch | MFR | Modoc, Siskiyou | 36 hr |
| Feb 12, 3:13 PM PST | High Wind Watch | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 24 hr |
| Feb 13, 2:48 AM PST | Small Craft Advisory | MTR | 4 days | |
| Feb 13, 3:00 AM PST | High Wind Warning | MFR | Modoc, Siskiyou | 64 hr |
| Feb 13, 3:00 AM PST | Wind Advisory | MFR | Modoc, Siskiyou | 48 hr |
| Feb 13, 3:01 PM PST | Wind Advisory | EKA | 30 hr | |
| Feb 13, 3:23 PM PST | Winter Storm Watch | STO | 48 hr | |
| Feb 13, 3:29 PM PST | High Wind Warning | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 61 hr |
| Feb 13, 3:29 PM PST | Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 12 hr |
| Feb 13, 3:29 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 48 hr |
| Feb 14, 3:00 AM PST | Winter Storm Warning | MFR | Siskiyou | 4 days |
| Feb 14, 3:00 AM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 3 days |
| Feb 14, 3:02 AM PST | Small Craft Advisory | LOX | 11 hr | |
| Feb 14, 3:50 AM PST | Winter Storm Watch | EKA | 20 hr | |
| Feb 14, 8:17 AM PST | Wind Advisory | STO | 8 hr | |
| Feb 14, 1:39 PM PST | Winter Storm Watch | HNX | 23 hr | |
| Feb 14, 2:29 PM PST | Winter Storm Watch | VEF | Inyo | 25 hr |
| Feb 14, 2:40 PM PST | Small Craft Advisory | MTR | 53 hr | |
| Feb 14, 3:08 PM PST | Winter Weather Advisory | EKA | 3 days | |
| Feb 14, 3:14 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 55 hr |
| Feb 14, 4:04 PM PST | Winter Weather Advisory | STO | 24 hr | |
| Feb 14, 4:19 PM PST | Wind Advisory | STO | 3 hr | |
| Feb 14, 4:19 PM PST | Wind Advisory | STO | 34 hr | |
| Feb 14, 6:40 PM PST | Coastal Flood Statement | LOX | 22 hr | |
| Feb 14, 8:55 PM PST | Winter Storm Warning | STO | 45 hr | |
| Feb 14, 9:12 PM PST | Small Craft Advisory | MTR | 18 hr | |
| Feb 15, 2:39 AM PST | Small Craft Advisory for Rough Bar | MTR | 6 hr | |
| Feb 15, 2:44 AM PST | Small Craft Advisory | EKA | 6 hr | |
| Feb 15, 3:18 AM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 31 hr |
| Feb 15, 3:31 AM PST | Small Craft Advisory for Hazardous Seas | LOX | 11 hr | |
| Feb 15, 4:31 AM PST | High Wind Watch | VEF | Inyo, San Bernardino | 10 hr |
| Feb 15, 8:40 AM PST | Small Craft Advisory for Rough Bar | MTR | 66 hr | |
| Feb 15, 8:57 AM PST | Small Craft Advisory | EKA | 60 hr | |
| Feb 15, 1:00 PM PST | High Wind Watch | HNX | 14 hr | |
| Feb 15, 1:00 PM PST | Wind Advisory | HNX | 31 hr | |
| Feb 15, 1:00 PM PST | Winter Storm Warning | HNX | 23 hr | |
| Feb 15, 1:00 PM PST | Winter Weather Advisory | HNX | 29 hr | |
| Feb 15, 1:26 PM PST | Winter Weather Advisory | SGX | Riverside, San Bernardino | 24 hr |
| Feb 15, 1:57 PM PST | Coastal Flood Statement | LOX | 56 hr | |
| Feb 15, 1:57 PM PST | High Surf Advisory | LOX | 56 hr | |
| Feb 15, 2:30 PM PST | Small Craft Advisory | LOX | 61 hr | |
| Feb 15, 2:35 PM PST | Wind Advisory | LOX | 30 hr | |
| Feb 15, 2:49 PM PST | Winter Weather Advisory | LOX | 30 hr | |
| Feb 15, 2:49 PM PST | High Wind Warning | VEF | Inyo, San Bernardino | 31 hr |
| Feb 15, 2:49 PM PST | Wind Advisory | VEF | San Bernardino | 31 hr |
| Feb 15, 2:53 PM PST | Gale Warning | MTR | 11 hr | |
| Feb 15, 3:06 PM PST | Winter Storm Warning | VEF | Inyo | 27 hr |
| Feb 15, 3:06 PM PST | Winter Weather Advisory | VEF | Inyo | 27 hr |
| Feb 15, 4:29 PM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 34 hr |
| Feb 15, 5:17 PM PST | Mesoscale Discussion | SPC | Alpine, El Dorado, Nevada, Placer, Plumas, Sierra and 1 more | 6 hr |
| Feb 15, 5:22 PM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more | 8 hr |
| Feb 15, 5:41 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 20 hr |
| Feb 16, 12:47 AM PST | Wind Advisory | PSR | 20 hr | |
| Feb 16, 2:22 AM PST | Mesoscale Discussion | SPC | Amador, Calaveras, Mariposa, Tuolumne | 3 hr |
| Feb 16, 3:41 AM PST | High Wind Warning | SGX | San Bernardino | 17 hr |
| Feb 16, 3:41 AM PST | Wind Advisory | SGX | San Bernardino | 23 hr |
| Feb 16, 3:45 AM PST | Winter Storm Watch | STO | 18 hr | |
| Feb 16, 3:45 AM PST | Winter Weather Advisory | STO | 14 hr | |
| Feb 16, 4:24 AM PST | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 18 hr |
| Feb 16, 4:50 AM PST | Gale Watch | LOX | 29 hr | |
| Feb 16, 8:09 AM PST | Small Craft Advisory for Hazardous Seas | SGX | 18 hr | |
| Feb 16, 8:41 AM PST | High Surf Advisory | SGX | San Diego | 18 hr |
| Feb 16, 10:27 AM PST | Dust Storm Warning | PSR | 5 hr | |
| Feb 16, 12:15 PM PST | Winter Storm Watch | HNX | 47 hr | |
| Feb 16, 12:27 PM PST | Special Weather Statement | HNX | Fresno | 48 min |
| Feb 16, 12:32 PM PST | Special Weather Statement | HNX | Mariposa | 43 min |
| Feb 16, 1:06 PM PST | Special Weather Statement | STO | Tehama | 54 min |
| Feb 16, 1:16 PM PST | Special Weather Statement | HNX | Mariposa | 44 min |
| Feb 16, 1:19 PM PST | Special Weather Statement | HNX | Kings | 41 min |
| Feb 16, 2:00 PM PST | Wind Advisory | HNX | 30 hr | |
| Feb 16, 2:01 PM PST | Special Weather Statement | HNX | Kings | 44 min |
| Feb 16, 2:24 PM PST | Special Weather Statement | HNX | Mariposa | 51 min |
| Feb 16, 2:27 PM PST | Special Weather Statement | HNX | Kings | 48 min |
| Feb 16, 3:23 PM PST | Special Weather Statement | HNX | Tulare | 37 min |
| Feb 16, 3:42 PM PST | Special Weather Statement | HNX | Madera | 48 min |
| Feb 16, 3:53 PM PST | Special Weather Statement | HNX | Fresno | 52 min |
| Feb 16, 5:23 PM PST | Special Weather Statement | HNX | Fresno | 67 min |
| Feb 16, 5:35 PM PST | Winter Weather Advisory | STO | 10 hr | |
| Feb 16, 8:09 PM PST | Small Craft Advisory | MTR | 24 hr | |
| Feb 16, 9:11 PM PST | Special Weather Statement | HNX | Fresno | 49 min |
| Feb 16, 9:55 PM PST | Winter Storm Warning | STO | 61 hr | |
| Feb 16, 9:55 PM PST | Winter Weather Advisory | STO | 30 hr | |
| Feb 16, 10:13 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 59 hr |
| Feb 17, 2:17 AM PST | High Surf Advisory | SGX | San Diego | 11 hr |
| Feb 17, 2:18 AM PST | Small Craft Advisory for Hazardous Seas | SGX | 17 hr | |
| Feb 17, 3:11 AM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 12 hr |
| Feb 17, 3:20 AM PST | Winter Storm Warning | HNX | 69 hr | |
| Feb 17, 3:29 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 7 hr |
| Feb 17, 3:43 AM PST | Winter Storm Watch | LOX | 11 hr | |
| Feb 17, 3:47 AM PST | High Wind Watch | LOX | Santa Barbara | 11 hr |
| Feb 17, 3:47 AM PST | Wind Advisory | LOX | Los Angeles, Santa Barbara | 47 hr |
| Feb 17, 4:12 AM PST | Winter Weather Advisory | REV | Modoc | 32 hr |
| Feb 17, 4:25 AM PST | Winter Storm Watch | VEF | Inyo | 10 hr |
| Feb 17, 9:03 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 31 days |
| Feb 17, 9:06 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, City and County of San Francisco, San Mateo, Santa Clara | 6 hr |
| Feb 17, 9:10 AM PST | Gale Warning | MTR | 6 hr | |
| Feb 17, 9:31 AM PST | Gale Watch | LOX | 8 hr | |
| Feb 17, 9:31 AM PST | Gale Warning | LOX | 35 hr | |
| Feb 17, 10:24 AM PST | Flash Flood Warning | MTR | Sonoma | 106 min |
| Feb 17, 10:25 AM PST | High Wind Watch | HNX | 7 hr | |
| Feb 17, 11:21 AM PST | Wind Advisory | STO | 7 hr | |
| Feb 17, 12:47 PM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, City and County of San Francisco, San Mateo, Santa Clara | 2 hr |
| Feb 17, 12:54 PM PST | Areal Flood Advisory | MTR | Monterey, San Benito, Santa Cruz | 6 hr |
| Feb 17, 1:10 PM PST | Gale Watch | SGX | 7 hr | |
| Feb 17, 1:46 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 23 hr |
| Feb 17, 1:46 PM PST | Winter Storm Watch | SGX | Riverside, San Bernardino | 13 hr |
| Feb 17, 2:42 PM PST | Winter Storm Warning | LOX | 43 hr | |
| Feb 17, 2:42 PM PST | Winter Storm Warning | VEF | Inyo | 43 hr |
| Feb 17, 5:44 PM PST | High Wind Warning | HNX | 28 hr | |
| Feb 17, 7:31 PM PST | Flash Flood Watch | LOX | Los Angeles, Santa Barbara | 55 hr |
| Feb 17, 7:41 PM PST | Gale Warning | SGX | 29 hr | |
| Feb 17, 8:08 PM PST | Wind Advisory | HNX | 16 hr | |
| Feb 17, 10:32 PM PST | High Wind Warning | LOX | 24 hr | |
| Feb 18, 2:15 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 27 hr |
| Feb 18, 2:31 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 49 hr |
| Feb 18, 2:31 AM PST | Winter Weather Advisory | SGX | San Diego | 49 hr |
| Feb 18, 2:52 AM PST | Small Craft Advisory | EKA | 48 hr | |
| Feb 18, 8:41 AM PST | Winter Weather Advisory | REV | Lassen, Plumas, Sierra | 24 hr |
| Feb 18, 10:39 AM PST | Winter Weather Advisory | STO | 24 hr | |
| Feb 18, 12:21 PM PST | Winter Weather Advisory | HNX | 36 hr | |
| Feb 18, 1:12 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 31 hr |
| Feb 18, 1:39 PM PST | Small Craft Advisory | MTR | 13 hr | |
| Feb 18, 1:51 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 60 min |
| Feb 18, 1:55 PM PST | Wind Advisory | PSR | 28 hr | |
| Feb 18, 2:51 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 114 min |
| Feb 18, 3:16 PM PST | Special Weather Statement | LOX | Santa Barbara | 59 min |
| Feb 18, 4:32 PM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 4 hr |
| Feb 18, 6:13 PM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 6 hr |
| Feb 18, 6:50 PM PST | Areal Flood Advisory | HNX | Fresno, Kings | 6 hr |
| Feb 18, 7:50 PM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 10 hr |
| Feb 18, 8:18 PM PST | Areal Flood Advisory | LOX | Los Angeles | 5 hr |
| Feb 18, 8:35 PM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 4 hr |
| Feb 18, 8:59 PM PST | Small Craft Advisory | LOX | 29 hr | |
| Feb 18, 9:28 PM PST | Special Weather Statement | LOX | San Luis Obispo | 47 min |
| Feb 18, 10:05 PM PST | Severe Thunderstorm Warning | LOX | San Luis Obispo, Santa Barbara | 55 min |
| Feb 18, 10:15 PM PST | Mesoscale Discussion | SPC | Orange | 90 min |
| Feb 19, 1:47 AM PST | Areal Flood Advisory | HNX | Fresno, Kings | 4 hr |
| Feb 19, 2:13 AM PST | Areal Flood Warning | SGX | San Diego | 6 hr |
| Feb 19, 4:57 AM PST | Areal Flood Advisory | PSR | Imperial, Riverside, San Bernardino | 108 min |
| Feb 19, 7:33 AM PST | Areal Flood Advisory | PSR | Imperial, Riverside | 117 min |
| Feb 19, 7:48 AM PST | Winter Weather Advisory | MTR | Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz | 11 hr |
| Feb 19, 9:17 AM PST | Winter Weather Advisory | LOX | Santa Barbara | 18 hr |
| Feb 19, 1:33 PM PST | Special Marine Warning | LOX | 50 min | |
| Feb 19, 2:44 PM PST | Special Weather Statement | HNX | Kings | 46 min |
| Feb 19, 2:59 PM PST | Special Weather Statement | HNX | Fresno | 46 min |
| Feb 19, 3:11 PM PST | Special Weather Statement | HNX | Kings | 49 min |
| Feb 19, 6:06 PM PST | Tornado Warning | LOX | Santa Barbara, Ventura | 39 min |
| Feb 19, 6:09 PM PST | Special Marine Warning | LOX | 21 min | |
| Feb 19, 6:51 PM PST | Special Weather Statement | LOX | Ventura | 39 min |
| Feb 19, 7:32 PM PST | Areal Flood Advisory | LOX | Los Angeles | 3 hr |
| Feb 19, 9:19 PM PST | Freeze Warning | STO | 9 hr | |
| Feb 19, 11:11 PM PST | Small Craft Advisory | SGX | 9 hr | |
| Feb 20, 2:26 AM PST | Small Craft Advisory for Hazardous Seas | LOX | 7 hr | |
| Feb 20, 9:07 AM PST | Small Craft Advisory | LOX | 17 hr | |
| Feb 21, 3:08 AM PST | Small Craft Advisory | EKA | 12 hr | |
| Feb 21, 8:36 AM PST | Small Craft Advisory | MTR | 66 hr | |
| Feb 21, 2:21 PM PST | Small Craft Advisory | MTR | 61 hr | |
| Feb 21, 3:10 PM PST | Winter Storm Watch | MFR | Siskiyou | 47 hr |
| Feb 21, 8:59 PM PST | Small Craft Advisory | EKA | 5 days | |
| Feb 22, 3:15 AM PST | Winter Storm Watch | STO | 36 hr | |
| Feb 22, 3:25 AM PST | Winter Weather Advisory | EKA | 3 days | |
| Feb 22, 2:34 PM PST | Small Craft Advisory | LOX | 36 hr | |
| Feb 22, 3:15 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 24 hr |
| Feb 23, 1:41 AM PST | Winter Storm Warning | MFR | Siskiyou | 37 hr |
| Feb 23, 4:06 AM PST | Winter Storm Watch | MTR | 9 hr | |
| Feb 23, 12:21 PM PST | Small Craft Advisory | EKA | 33 hr | |
| Feb 23, 1:26 PM PST | Winter Storm Watch | MTR | Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz | 13 hr |
| Feb 23, 1:26 PM PST | Winter Weather Advisory | MTR | Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz | 67 hr |
| Feb 23, 1:29 PM PST | Freeze Watch | MTR | Marin, Napa, Sonoma | 38 hr |
| Feb 23, 1:56 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 26 hr |
| Feb 23, 2:05 PM PST | Hard Freeze Watch | EKA | 38 hr | |
| Feb 23, 2:23 PM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 45 hr |
| Feb 23, 2:39 PM PST | Wind Advisory | VEF | Inyo | 33 hr |
| Feb 23, 2:39 PM PST | Wind Advisory | VEF | Inyo, San Bernardino | 61 hr |
| Feb 23, 3:05 PM PST | Winter Storm Watch | HNX | 25 hr | |
| Feb 23, 3:11 PM PST | Winter Storm Watch | VEF | Inyo | 24 hr |
| Feb 23, 3:17 PM PST | Winter Storm Warning | STO | 54 hr | |
| Feb 23, 3:17 PM PST | Winter Weather Advisory | STO | 54 hr | |
| Feb 23, 3:25 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 60 hr |
| Feb 24, 3:02 AM PST | Small Craft Advisory | MTR | 3 days | |
| Feb 24, 3:05 AM PST | Winter Storm Warning | HNX | 54 hr | |
| Feb 24, 3:16 AM PST | Winter Storm Watch | LOX | Santa Barbara | 24 hr |
| Feb 24, 3:17 AM PST | Winter Storm Warning | VEF | Inyo | 3 days |
| Feb 24, 4:17 AM PST | Winter Storm Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 23 hr |
| Feb 24, 1:15 PM PST | Small Craft Advisory | SGX | 52 hr | |
| Feb 24, 2:32 PM PST | Small Craft Advisory | LOX | 3 days | |
| Feb 24, 3:25 PM PST | Winter Weather Advisory | VEF | San Bernardino | 49 hr |
| Feb 24, 3:35 PM PST | Winter Storm Warning | LOX | 53 hr | |
| Feb 24, 3:46 PM PST | Winter Weather Advisory | STO | 35 hr | |
| Feb 24, 4:22 PM PST | Winter Weather Advisory | HNX | 40 hr | |
| Feb 24, 5:15 PM PST | Mesoscale Discussion | SPC | Alpine, El Dorado, Nevada, Placer, Plumas, Sierra and 1 more | 6 hr |
| Feb 24, 6:12 PM PST | Wind Advisory | HNX | 6 hr | |
| Feb 24, 7:20 PM PST | Hard Freeze Watch | STO | 20 hr | |
| Feb 24, 9:39 PM PST | Winter Weather Advisory | STO | 29 hr | |
| Feb 25, 12:25 AM PST | Mesoscale Discussion | SPC | Alpine, El Dorado, Nevada, Placer, Tuolumne | 6 hr |
| Feb 25, 2:34 AM PST | Hazardous Seas Warning | EKA | 12 hr | |
| Feb 25, 2:56 AM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 30 hr |
| Feb 25, 3:05 AM PST | Winter Weather Advisory | LOX | Santa Barbara | 32 hr |
| Feb 25, 3:08 AM PST | Wind Advisory | LOX | Santa Barbara | 23 hr |
| Feb 25, 3:10 AM PST | Freeze Warning | MTR | Marin, Napa, Sonoma | 29 hr |
| Feb 25, 3:26 AM PST | Winter Storm Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 48 hr |
| Feb 25, 3:41 AM PST | Flash Flood Watch | SGX | Riverside, San Bernardino, San Diego | 36 hr |
| Feb 25, 3:51 AM PST | Hard Freeze Warning | EKA | 28 hr | |
| Feb 25, 3:52 AM PST | Winter Storm Warning | MTR | Monterey | 29 hr |
| Feb 25, 6:23 AM PST | Wind Advisory | STO | 4 hr | |
| Feb 25, 7:30 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, Monterey, San Benito, City and County of San Francisco, San Mateo and 2 more | 75 min |
| Feb 25, 8:40 AM PST | Areal Flood Advisory | MTR | Monterey, San Benito, Santa Clara, Santa Cruz | 65 min |
| Feb 25, 9:56 AM PST | Areal Flood Advisory | MTR | Monterey, San Benito, Santa Clara | 49 min |
| Feb 25, 10:11 AM PST | Wind Advisory | STO | 3 hr | |
| Feb 25, 10:19 AM PST | Mesoscale Discussion | SPC | Alpine, El Dorado, Nevada, Placer, Tulare, Tuolumne | 4 hr |
| Feb 25, 1:45 PM PST | Wind Advisory | PSR | 12 hr | |
| Feb 25, 1:45 PM PST | Wind Advisory | PSR | 32 hr | |
| Feb 25, 2:40 PM PST | Gale Warning | EKA | 18 hr | |
| Feb 25, 3:00 PM PST | Severe Thunderstorm Warning | STO | Sacramento | 27 min |
| Feb 25, 3:01 PM PST | Freeze Watch | HNX | 12 hr | |
| Feb 25, 3:29 PM PST | Hard Freeze Warning | STO | 41 hr | |
| Feb 25, 6:40 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 2 hr |
| Feb 25, 6:47 PM PST | Areal Flood Advisory | LOX | Ventura | 4 hr |
| Feb 25, 8:42 PM PST | Areal Flood Advisory | LOX | Los Angeles | 4 hr |
| Feb 25, 9:05 PM PST | Freeze Warning | STO | 12 hr | |
| Feb 25, 10:03 PM PST | Winter Weather Advisory | VEF | Inyo | 6 hr |
| Feb 25, 10:53 PM PST | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Feb 26, 12:38 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 4 hr |
| Feb 26, 12:46 AM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 6 hr |
| Feb 26, 2:46 AM PST | Wind Advisory | PSR | 8 hr | |
| Feb 26, 2:53 AM PST | Areal Flood Advisory | HNX | Kern | 6 hr |
| Feb 26, 3:05 AM PST | Freeze Warning | HNX | 30 hr | |
| Feb 26, 3:06 AM PST | Frost Advisory | LOX | Los Angeles | 29 hr |
| Feb 26, 4:16 AM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Diego | 6 hr |
| Feb 26, 5:40 AM PST | Freeze Warning | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 1 more | 26 hr |
| Feb 26, 6:33 AM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 117 min |
| Feb 26, 2:51 PM PST | Hazardous Seas Warning | EKA | 12 hr | |
| Feb 26, 3:30 PM PST | Hard Freeze Warning | EKA | 19 hr | |
| Feb 26, 4:35 PM PST | Winter Weather Advisory | LOX | 4 hr | |
| Feb 26, 4:43 PM PST | Winter Storm Warning | SGX | San Bernardino | 2 hr |
| Feb 26, 8:52 PM PST | Small Craft Advisory for Winds | EKA | 3 hr | |
| Feb 26, 8:52 PM PST | Small Craft Advisory for Hazardous Seas | EKA | 6 hr | |
| Feb 26, 8:53 PM PST | Wind Advisory | LOX | 12 hr | |
| Feb 27, 3:00 AM PST | Frost Advisory | SGX | Riverside, San Bernardino, San Diego | 29 hr |
| Feb 27, 3:17 AM PST | Small Craft Advisory | EKA | 42 hr | |
| Feb 27, 2:00 PM PST | Frost Advisory | HNX | 18 hr | |
| Feb 27, 2:09 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 29 hr |
| Feb 27, 2:10 PM PST | Frost Advisory | LOX | Los Angeles | 19 hr |
| Feb 27, 2:48 PM PST | Winter Weather Advisory | MFR | Siskiyou | 37 hr |
| Feb 27, 2:49 PM PST | Wind Advisory | MFR | Siskiyou | 25 hr |
| Feb 28, 2:00 AM PST | Winter Storm Watch | HNX | 34 hr | |
| Feb 28, 2:17 AM PST | Small Craft Advisory | MTR | 43 hr | |
| Feb 28, 3:14 AM PST | Gale Watch | EKA | 11 hr | |
| Feb 28, 3:14 AM PST | Gale Warning | EKA | 13 hr | |
| Feb 28, 3:30 AM PST | Winter Storm Watch | STO | 24 hr | |
| Feb 28, 9:18 AM PST | Storm Watch | EKA | 5 hr | |
| Feb 28, 2:18 PM PST | Gale Warning | EKA | 40 hr | |
| Feb 28, 2:18 PM PST | Storm Warning | EKA | 40 hr | |
| Feb 28, 2:42 PM PST | Gale Warning | MTR | 36 hr | |
| Feb 28, 2:42 PM PST | Small Craft Advisory | MTR | 54 hr | |
| Feb 28, 3:20 PM PST | Wind Advisory | EKA | 36 hr | |
| Feb 28, 3:20 PM PST | Winter Weather Advisory | EKA | 48 hr | |
| Feb 28, 3:27 PM PST | Winter Storm Watch | MFR | Siskiyou | 12 hr |
| Feb 28, 3:53 PM PST | High Wind Watch | MFR | Siskiyou | 11 hr |
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.
- San Bernardino County31
- Riverside County28
- San Diego County25
- Alpine County20
- El Dorado County20
- Nevada County20
- Placer County20
- Siskiyou County15
- Santa Barbara County15
- Los Angeles County14
- Inyo County14
- Orange County13
- Modoc County13
- Monterey County12
- San Mateo County11
- Santa Clara County11
- Santa Cruz County10
- Plumas County10
- Sierra County10
- Sonoma County9
- San Benito County9
- Marin County8
- Lassen County8
- Mono County8
- City and County of San Francisco7
- Fresno County7
- Kings County7
- Napa County6
- Alameda County6
- Contra Costa County6
- Ventura County6
- Tuolumne County5
- Mariposa County4
- San Luis Obispo County4
- Imperial County3
- Tulare County2
- Amador County1
- Calaveras County1
- Tehama County1
- Madera County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.