Alert archive / California / 2021
Weather alerts in California, March 2021
359 weather alerts in March 2021, 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 March 2021. Tap one for its archive.
- Alerts
- 359
- Warnings
- 72
- Watches
- 39
- Advisories
- 199
- Busiest day
- March 10, 202133 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 |
|---|---|---|---|---|
| Mar 1, 2:42 PM PST | Frost Advisory | EKA | Humboldt, Lake, Mendocino | 18 hr |
| Mar 1, 2:56 PM PST | Small Craft Advisory | EKA | 48 hr | |
| Mar 1, 6:34 PM PST | Freeze Warning | EKA | Lake, Mendocino | 14 hr |
| Mar 1, 8:32 PM PST | Small Craft Advisory | MTR | 36 hr | |
| Mar 2, 11:34 AM PST | Small Craft Advisory | SGX | 30 hr | |
| Mar 2, 12:16 PM PST | Wind Advisory | PSR | Imperial | 31 hr |
| Mar 2, 12:25 PM PST | Winter Weather Advisory | SGX | Riverside, San Bernardino, San Diego | 34 hr |
| Mar 2, 1:55 PM PST | Winter Weather Advisory | LOX | 31 hr | |
| Mar 2, 2:33 PM PST | High Wind Watch | MFR | Siskiyou | 24 hr |
| Mar 2, 2:37 PM PST | Frost Advisory | EKA | Del Norte, Humboldt, Lake, Mendocino | 18 hr |
| Mar 2, 8:58 PM PST | Gale Warning | EKA | 60 hr | |
| Mar 3, 2:26 AM PST | Small Craft Advisory | MTR | 8 days | |
| Mar 3, 2:51 AM PST | Storm Watch | EKA | 12 hr | |
| Mar 3, 3:00 AM PST | Wind Advisory | SGX | Orange, San Diego | 19 hr |
| Mar 3, 3:33 AM PST | Wind Advisory | EKA | Del Norte, Humboldt | 54 hr |
| Mar 3, 9:51 AM PST | Beach Hazards Statement | SGX | Orange, San Diego | 8 hr |
| Mar 3, 12:05 PM PST | Areal Flood Advisory | SGX | San Diego | 3 hr |
| Mar 3, 2:10 PM PST | Beach Hazards Statement | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 37 hr |
| Mar 3, 2:22 PM PST | Small Craft Advisory | EKA | 31 hr | |
| Mar 3, 2:22 PM PST | Storm Warning | EKA | 43 hr | |
| Mar 3, 2:23 PM PST | High Wind Warning | MFR | Siskiyou | 56 hr |
| Mar 3, 2:23 PM PST | Wind Advisory | MFR | Modoc, Siskiyou | 56 hr |
| Mar 3, 4:05 PM PST | Small Craft Advisory | MTR | 5 hr | |
| Mar 4, 1:07 AM PST | Frost Advisory | EKA | Mendocino | 7 hr |
| Mar 4, 1:07 AM PST | Freeze Warning | EKA | Lake, Mendocino | 7 hr |
| Mar 4, 12:52 PM PST | Small Craft Advisory | LOX | 8 days | |
| Mar 4, 12:55 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 54 hr |
| Mar 4, 1:01 PM PST | High Surf Advisory | LOX | 3 days | |
| Mar 4, 2:12 PM PST | Winter Weather Advisory | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 36 hr |
| Mar 4, 2:16 PM PST | Winter Weather Advisory | STO | 40 hr | |
| Mar 4, 2:49 PM PST | Winter Storm Watch | MFR | Siskiyou | 7 hr |
| Mar 4, 2:49 PM PST | Winter Weather Advisory | MFR | Siskiyou | 37 hr |
| Mar 5, 9:01 AM PST | Small Craft Advisory | EKA | 30 hr | |
| Mar 5, 9:01 AM PST | Hazardous Seas Warning | EKA | 6 hr | |
| Mar 5, 10:17 AM PST | High Wind Watch | REV | Mono | 6 hr |
| Mar 5, 12:09 PM PST | Small Craft Advisory | SGX | 34 hr | |
| Mar 5, 4:22 PM PST | Wind Advisory | REV | Alpine, El Dorado, Mono, Nevada, Placer | 18 hr |
| Mar 6, 1:39 AM PST | Wind Advisory | LOX | 6 hr | |
| Mar 6, 3:32 AM PST | Frost Advisory | EKA | Mendocino | 29 hr |
| Mar 6, 3:32 AM PST | Freeze Warning | EKA | Lake, Mendocino | 29 hr |
| Mar 6, 12:47 PM PST | Wind Advisory | HNX | 11 hr | |
| Mar 6, 2:13 PM PST | Wind Advisory | LOX | 13 hr | |
| Mar 6, 2:35 PM PST | Small Craft Advisory | EKA | 6 days | |
| Mar 6, 9:07 PM PST | Small Craft Advisory | MTR | 7 days | |
| Mar 7, 2:47 AM PST | Small Craft Advisory | MTR | 18 hr | |
| Mar 7, 12:40 PM PST | Winter Storm Watch | SGX | Riverside, San Bernardino, San Diego | 29 hr |
| Mar 7, 1:02 PM PST | Winter Weather Advisory | STO | 25 hr | |
| Mar 7, 1:46 PM PST | High Wind Watch | REV | Mono | 14 hr |
| Mar 7, 1:46 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 29 hr |
| Mar 7, 1:46 PM PST | Wind Advisory | REV | Mono | 29 hr |
| Mar 7, 1:53 PM PST | Winter Weather Advisory | MFR | Siskiyou | 68 hr |
| Mar 7, 2:01 PM PST | Winter Storm Watch | LOX | 28 hr | |
| Mar 7, 2:04 PM PST | Frost Advisory | EKA | Humboldt, Mendocino | 17 hr |
| Mar 7, 2:04 PM PST | Freeze Warning | EKA | Lake, Mendocino | 17 hr |
| Mar 7, 2:06 PM PST | Small Craft Advisory | SGX | 3 days | |
| Mar 7, 2:09 PM PST | Winter Weather Advisory | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 68 hr |
| Mar 8, 1:23 AM PST | High Surf Advisory | LOX | 4 days | |
| Mar 8, 2:30 AM PST | Winter Storm Watch | STO | 12 hr | |
| Mar 8, 2:51 AM PST | Winter Storm Watch | HNX | 10 hr | |
| Mar 8, 3:04 AM PST | Wind Advisory | LOX | 23 hr | |
| Mar 8, 3:40 AM PST | Winter Storm Warning | MFR | Siskiyou | 54 hr |
| Mar 8, 3:59 AM PST | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 11 hr |
| Mar 8, 7:47 AM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 62 hr |
| Mar 8, 8:17 AM PST | Beach Hazards Statement | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 13 hr |
| Mar 8, 12:27 PM PST | Winter Storm Warning | HNX | 3 days | |
| Mar 8, 1:07 PM PST | Wind Advisory | VEF | San Bernardino | 33 hr |
| Mar 8, 1:15 PM PST | Wind Advisory | PSR | Imperial, Riverside, San Bernardino | 32 hr |
| Mar 8, 2:25 PM PST | Winter Storm Warning | STO | 53 hr | |
| Mar 8, 2:45 PM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 52 hr |
| Mar 8, 5:45 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 4 days |
| Mar 8, 6:02 PM PST | Winter Storm Warning | LOX | 3 days | |
| Mar 8, 10:33 PM PST | Special Marine Warning | EKA | 27 min | |
| Mar 8, 11:11 PM PST | Special Marine Warning | EKA | 34 min | |
| Mar 8, 11:44 PM PST | Special Marine Warning | EKA | 31 min | |
| Mar 9, 2:09 AM PST | Wind Advisory | LOX | 17 hr | |
| Mar 9, 2:30 AM PST | Winter Weather Advisory | STO | 25 hr | |
| Mar 9, 10:13 AM PST | Wind Advisory | HNX | 12 hr | |
| Mar 9, 1:33 PM PST | Blowing Dust Advisory | PSR | Imperial, Riverside | 5 hr |
| Mar 9, 2:09 PM PST | Freeze Watch | EKA | Mendocino | 24 hr |
| Mar 9, 2:09 PM PST | Hard Freeze Watch | EKA | Lake, Mendocino | 24 hr |
| Mar 9, 2:44 PM PST | Special Weather Statement | STO | Sacramento | 61 min |
| Mar 9, 3:36 PM PST | Special Weather Statement | STO | San Joaquin | 54 min |
| Mar 9, 3:48 PM PST | Special Weather Statement | STO | Tehama | 42 min |
| Mar 9, 4:35 PM PST | Special Marine Warning | MTR | 25 min | |
| Mar 9, 4:36 PM PST | Special Weather Statement | STO | Tehama | 39 min |
| Mar 9, 4:53 PM PST | Special Weather Statement | STO | Shasta | 37 min |
| Mar 9, 5:52 PM PST | Special Marine Warning | EKA | 23 min | |
| Mar 10, 12:26 AM PST | Special Weather Statement | LOX | San Luis Obispo | 64 min |
| Mar 10, 12:37 AM PST | Special Weather Statement | LOX | San Luis Obispo | 53 min |
| Mar 10, 2:34 AM PST | Areal Flood Advisory | LOX | Los Angeles | 88 min |
| Mar 10, 3:52 AM PST | Winter Weather Advisory | STO | 6 hr | |
| Mar 10, 9:55 AM PST | Flash Flood Watch | MTR | Monterey, San Benito | 12 hr |
| Mar 10, 10:10 AM PST | Winter Weather Advisory | EKA | Lake, Mendocino, Trinity | 6 hr |
| Mar 10, 11:17 AM PST | Special Weather Statement | HNX | Merced | 43 min |
| Mar 10, 11:21 AM PST | Beach Hazards Statement | SGX | Orange, San Diego | 15 hr |
| Mar 10, 11:36 AM PST | Special Weather Statement | MTR | Alameda | 39 min |
| Mar 10, 12:13 PM PST | Special Weather Statement | HNX | Fresno | 47 min |
| Mar 10, 12:40 PM PST | Special Weather Statement | SGX | San Diego | 50 min |
| Mar 10, 12:43 PM PST | Special Marine Warning | SGX | 32 min | |
| Mar 10, 12:55 PM PST | Special Weather Statement | HNX | Merced | 35 min |
| Mar 10, 1:15 PM PST | Special Weather Statement | STO | Yolo | 45 min |
| Mar 10, 1:38 PM PST | Special Weather Statement | HNX | Fresno | 37 min |
| Mar 10, 2:02 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Diego | 38 hr |
| Mar 10, 2:03 PM PST | Small Craft Advisory | MTR | 61 hr | |
| Mar 10, 2:05 PM PST | Special Weather Statement | STO | Yolo | 55 min |
| Mar 10, 2:13 PM PST | Special Weather Statement | STO | Glenn | 32 min |
| Mar 10, 2:15 PM PST | Special Weather Statement | HNX | Madera | 45 min |
| Mar 10, 2:21 PM PST | Special Weather Statement | HNX | Fresno | 39 min |
| Mar 10, 2:22 PM PST | Winter Weather Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 20 hr |
| Mar 10, 2:31 PM PST | Frost Advisory | EKA | Humboldt, Mendocino | 18 hr |
| Mar 10, 2:31 PM PST | Freeze Warning | EKA | 18 hr | |
| Mar 10, 2:31 PM PST | Hard Freeze Warning | EKA | Lake, Mendocino | 18 hr |
| Mar 10, 2:43 PM PST | Special Weather Statement | HNX | Fresno | 47 min |
| Mar 10, 2:46 PM PST | Severe Thunderstorm Warning | HNX | Fresno | 44 min |
| Mar 10, 2:46 PM PST | Special Weather Statement | LOX | Los Angeles | 59 min |
| Mar 10, 3:26 PM PST | Special Weather Statement | HNX | Fresno | 34 min |
| Mar 10, 4:11 PM PST | Special Weather Statement | STO | Sacramento | 34 min |
| Mar 10, 10:17 PM PST | Areal Flood Advisory | SGX | Orange | 88 min |
| Mar 11, 1:31 AM PST | Special Marine Warning | LOX | 44 min | |
| Mar 11, 1:48 AM PST | Special Weather Statement | SGX | Orange | 27 min |
| Mar 11, 2:40 AM PST | Small Craft Advisory | MTR | 18 hr | |
| Mar 11, 1:04 PM PST | Frost Advisory | EKA | Humboldt, Mendocino | 20 hr |
| Mar 11, 1:04 PM PST | Freeze Warning | EKA | Lake, Mendocino | 20 hr |
| Mar 11, 2:06 PM PST | Winter Weather Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 13 hr |
| Mar 11, 9:02 PM PST | Small Craft Advisory | MTR | 30 hr | |
| Mar 12, 12:15 AM PST | Special Marine Warning | LOX | 90 min | |
| Mar 12, 12:51 AM PST | Special Marine Warning | SGX | 54 min | |
| Mar 12, 2:24 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 16 hr |
| Mar 12, 2:30 AM PST | Dense Fog Advisory | VEF | 4 hr | |
| Mar 12, 12:01 PM PST | Special Weather Statement | SGX | 44 min | |
| Mar 12, 12:40 PM PST | Wind Advisory | PSR | Imperial | 33 hr |
| Mar 12, 1:43 PM PST | Frost Advisory | EKA | Mendocino | 19 hr |
| Mar 12, 1:43 PM PST | Freeze Warning | EKA | Lake, Mendocino | 19 hr |
| Mar 12, 1:53 PM PST | Areal Flood Advisory | SGX | Orange | 3 hr |
| Mar 12, 4:23 PM PST | Special Weather Statement | LOX | San Luis Obispo | 52 min |
| Mar 12, 4:54 PM PST | Special Weather Statement | SGX | Orange | 36 min |
| Mar 12, 5:06 PM PST | Areal Flood Advisory | SGX | Riverside | 2 hr |
| Mar 12, 5:07 PM PST | Gale Watch | EKA | 9 hr | |
| Mar 12, 6:28 PM PST | Special Weather Statement | LOX | Ventura | 47 min |
| Mar 12, 10:21 PM PST | Winter Storm Watch | MFR | Siskiyou | 16 hr |
| Mar 12, 10:21 PM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 66 hr |
| Mar 12, 10:36 PM PST | Small Craft Advisory | LOX | 27 hr | |
| Mar 13, 2:34 AM PST | Winter Storm Watch | STO | 11 hr | |
| Mar 13, 2:35 AM PST | Gale Warning | EKA | 35 hr | |
| Mar 13, 2:35 AM PST | Small Craft Advisory | EKA | 43 hr | |
| Mar 13, 2:41 AM PST | Small Craft Advisory | MTR | 47 hr | |
| Mar 13, 3:36 AM PST | Wind Advisory | HNX | 25 hr | |
| Mar 13, 3:51 AM PST | Winter Storm Watch | HNX | 8 hr | |
| Mar 13, 4:06 AM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 22 hr |
| Mar 13, 4:13 AM PST | Winter Weather Advisory | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 50 hr |
| Mar 13, 5:59 AM PST | Wind Advisory | LOX | 21 hr | |
| Mar 13, 12:17 PM PST | Winter Weather Advisory | HNX | 65 hr | |
| Mar 13, 12:36 PM PST | Frost Advisory | EKA | Mendocino | 18 hr |
| Mar 13, 12:36 PM PST | Freeze Warning | EKA | Lake, Mendocino | 18 hr |
| Mar 13, 12:36 PM PST | High Wind Watch | VEF | San Bernardino | 13 hr |
| Mar 13, 1:01 PM PST | Gale Watch | SGX | 13 hr | |
| Mar 13, 1:51 PM PST | Winter Storm Warning | STO | 50 hr | |
| Mar 13, 1:51 PM PST | Winter Weather Advisory | STO | 45 hr | |
| Mar 13, 1:55 PM PST | High Wind Watch | SGX | Riverside, San Bernardino, San Diego | 12 hr |
| Mar 13, 2:22 PM PST | Gale Watch | LOX | 12 hr | |
| Mar 13, 2:32 PM PST | Wind Advisory | MFR | Siskiyou | 28 hr |
| Mar 13, 2:32 PM PST | Winter Storm Warning | MFR | Siskiyou | 46 hr |
| Mar 13, 2:34 PM PST | Gale Watch | MTR | 11 hr | |
| Mar 14, 1:23 AM PST | Blowing Dust Advisory | PSR | Imperial, Riverside | 44 hr |
| Mar 14, 1:23 AM PST | High Wind Warning | PSR | Imperial | 44 hr |
| Mar 14, 1:23 AM PST | Wind Advisory | PSR | Imperial, Riverside, San Bernardino | 44 hr |
| Mar 14, 1:28 AM PST | High Wind Warning | VEF | Inyo, San Bernardino | 43 hr |
| Mar 14, 1:28 AM PST | Wind Advisory | VEF | Inyo, San Bernardino | 43 hr |
| Mar 14, 1:39 AM PST | Gale Warning | SGX | 54 hr | |
| Mar 14, 1:41 AM PST | High Wind Warning | SGX | Riverside, San Bernardino, San Diego | 48 hr |
| Mar 14, 1:59 AM PST | Gale Warning | LOX | 48 hr | |
| Mar 14, 1:59 AM PST | Small Craft Advisory | LOX | 32 hr | |
| Mar 14, 3:02 AM PDT | Gale Warning | MTR | 48 hr | |
| Mar 14, 3:06 AM PDT | Gale Warning | EKA | 54 hr | |
| Mar 14, 3:32 AM PDT | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 37 hr |
| Mar 14, 3:51 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 16 hr |
| Mar 14, 11:20 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 33 hr |
| Mar 14, 12:31 PM PDT | Winter Weather Advisory | LOX | 39 hr | |
| Mar 14, 12:42 PM PDT | Wind Advisory | LOX | Los Angeles | 38 hr |
| Mar 14, 12:51 PM PDT | Storm Warning | MTR | 20 hr | |
| Mar 14, 12:58 PM PDT | Wind Advisory | HNX | 41 hr | |
| Mar 14, 1:01 PM PDT | Winter Weather Advisory | SGX | Riverside, San Bernardino, San Diego | 38 hr |
| Mar 14, 1:04 PM PDT | Wind Advisory | MTR | Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 25 hr |
| Mar 14, 1:04 PM PDT | Wind Advisory | SGX | Riverside, San Diego | 19 hr |
| Mar 14, 1:04 PM PDT | Wind Advisory | SGX | Orange, San Diego | 36 hr |
| Mar 14, 2:47 PM PDT | Small Craft Advisory | EKA | 5 hr | |
| Mar 15, 1:43 AM PDT | High Surf Advisory | SGX | Orange, San Diego | 20 hr |
| Mar 15, 2:14 AM PDT | High Surf Advisory | LOX | 31 hr | |
| Mar 15, 2:30 AM PDT | Frost Advisory | MTR | Marin, Monterey, Napa, San Benito, Sonoma | 31 hr |
| Mar 15, 3:21 AM PDT | Freeze Watch | EKA | Del Norte, Humboldt, Mendocino | 10 hr |
| Mar 15, 3:29 AM PDT | Hard Freeze Watch | EKA | Lake, Mendocino | 10 hr |
| Mar 15, 11:22 AM PDT | Special Weather Statement | STO | Stanislaus | 53 min |
| Mar 15, 12:20 PM PDT | Special Weather Statement | HNX | Merced | 40 min |
| Mar 15, 1:01 PM PDT | Frost Advisory | SGX | Riverside, San Bernardino, San Diego | 19 hr |
| Mar 15, 1:03 PM PDT | Special Weather Statement | HNX | Mariposa | 42 min |
| Mar 15, 1:07 PM PDT | Special Weather Statement | HNX | Kings | 38 min |
| Mar 15, 1:25 PM PDT | Special Weather Statement | HNX | Kings | 50 min |
| Mar 15, 1:31 PM PDT | Frost Advisory | STO | 20 hr | |
| Mar 15, 1:33 PM PDT | Special Weather Statement | HNX | Kings | 42 min |
| Mar 15, 1:38 PM PDT | Freeze Warning | EKA | Del Norte, Humboldt, Mendocino | 19 hr |
| Mar 15, 1:38 PM PDT | Hard Freeze Warning | EKA | Lake, Mendocino | 19 hr |
| Mar 15, 2:26 PM PDT | Special Weather Statement | HNX | Fresno | 34 min |
| Mar 15, 2:52 PM PDT | Small Craft Advisory | MTR | 30 hr | |
| Mar 15, 3:03 PM PDT | Special Weather Statement | HNX | 27 min | |
| Mar 15, 3:13 PM PDT | Special Weather Statement | HNX | Fresno | 32 min |
| Mar 15, 3:16 PM PDT | Special Weather Statement | HNX | Kings | 29 min |
| Mar 15, 3:32 PM PDT | Special Weather Statement | HNX | Kern | 28 min |
| Mar 15, 3:38 PM PDT | Special Weather Statement | HNX | Kings | 37 min |
| Mar 15, 3:40 PM PDT | Special Weather Statement | HNX | Fresno | 35 min |
| Mar 15, 6:05 PM PDT | Special Weather Statement | HNX | Kern | 25 min |
| Mar 15, 6:17 PM PDT | Dust Storm Warning | PSR | Imperial | 88 min |
| Mar 15, 6:31 PM PDT | Special Weather Statement | HNX | Kern | 44 min |
| Mar 15, 9:04 PM PDT | Wind Advisory | VEF | San Bernardino | 5 hr |
| Mar 15, 10:44 PM PDT | Small Craft Advisory | EKA | 20 hr | |
| Mar 15, 11:33 PM PDT | Wind Advisory | PSR | Imperial | 7 hr |
| Mar 16, 3:03 AM PDT | Small Craft Advisory | LOX | 18 hr | |
| Mar 16, 3:09 AM PDT | Gale Watch | EKA | 11 hr | |
| Mar 16, 3:57 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 4 hr |
| Mar 16, 9:08 AM PDT | Freeze Watch | EKA | Lake, Mendocino | 4 hr |
| Mar 16, 1:27 PM PDT | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 20 hr |
| Mar 16, 1:27 PM PDT | Freeze Warning | EKA | Lake, Mendocino | 20 hr |
| Mar 16, 1:34 PM PDT | Winter Storm Watch | STO | 24 hr | |
| Mar 16, 1:39 PM PDT | Winter Storm Watch | EKA | 14 hr | |
| Mar 16, 2:25 PM PDT | Gale Warning | EKA | 46 hr | |
| Mar 16, 2:25 PM PDT | Small Craft Advisory | EKA | 36 hr | |
| Mar 17, 2:33 AM PDT | Small Craft Advisory | MTR | 4 days | |
| Mar 17, 3:17 AM PDT | Winter Storm Warning | EKA | 38 hr | |
| Mar 17, 3:22 AM PDT | Wind Advisory | MFR | Modoc, Siskiyou | 44 hr |
| Mar 17, 3:48 AM PDT | Winter Storm Watch | MFR | Siskiyou | 8 hr |
| Mar 17, 11:52 AM PDT | Winter Storm Warning | MFR | Siskiyou | 25 hr |
| Mar 17, 11:52 AM PDT | Winter Weather Advisory | MFR | Siskiyou | 35 hr |
| Mar 17, 2:00 PM PDT | Winter Weather Advisory | STO | 58 hr | |
| Mar 18, 2:40 AM PDT | Small Craft Advisory | MTR | 5 days | |
| Mar 18, 3:29 AM PDT | Winter Weather Advisory | HNX | 50 hr | |
| Mar 18, 8:54 AM PDT | Small Craft Advisory | MTR | 66 hr | |
| Mar 18, 9:12 AM PDT | Small Craft Advisory | EKA | 48 hr | |
| Mar 18, 2:05 PM PDT | Hazardous Seas Warning | EKA | 24 hr | |
| Mar 18, 5:04 PM PDT | Winter Weather Advisory | EKA | 6 hr | |
| Mar 18, 7:39 PM PDT | High Surf Advisory | LOX | 49 hr | |
| Mar 19, 2:46 AM PDT | Small Craft Advisory | MTR | 42 hr | |
| Mar 19, 2:54 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 17 hr |
| Mar 19, 2:54 AM PDT | Wind Advisory | REV | Mono | 17 hr |
| Mar 19, 3:32 AM PDT | Frost Advisory | EKA | Lake, Mendocino | 29 hr |
| Mar 19, 3:38 AM PDT | Beach Hazards Statement | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 18 hr |
| Mar 19, 3:38 AM PDT | Areal Flood Advisory | MTR | Monterey | 112 min |
| Mar 19, 9:06 AM PDT | Small Craft Advisory | LOX | 7 days | |
| Mar 19, 1:33 PM PDT | Small Craft Advisory | SGX | 32 hr | |
| Mar 20, 2:37 AM PDT | Small Craft Advisory | MTR | 42 hr | |
| Mar 20, 3:39 AM PDT | Wind Advisory | HNX | 20 hr | |
| Mar 20, 9:50 AM PDT | Wind Advisory | LOX | 20 hr | |
| Mar 20, 12:51 PM PDT | Frost Advisory | MTR | Marin, Monterey, Napa, Sonoma | 20 hr |
| Mar 20, 1:57 PM PDT | Small Craft Advisory | EKA | 37 hr | |
| Mar 20, 2:04 PM PDT | Small Craft Advisory | MTR | 4 days | |
| Mar 20, 2:12 PM PDT | Gale Watch | LOX | 7 hr | |
| Mar 20, 2:30 PM PDT | Frost Advisory | EKA | Del Norte, Humboldt | 18 hr |
| Mar 20, 2:30 PM PDT | Freeze Warning | EKA | Mendocino | 18 hr |
| Mar 20, 2:30 PM PDT | Hard Freeze Warning | EKA | Lake, Mendocino | 18 hr |
| Mar 20, 8:50 PM PDT | Gale Watch | LOX | 18 hr | |
| Mar 21, 2:19 AM PDT | Small Craft Advisory | SGX | 22 hr | |
| Mar 21, 2:41 AM PDT | Small Craft Advisory | LOX | 24 hr | |
| Mar 21, 2:44 AM PDT | Small Craft Advisory | MTR | 5 days | |
| Mar 21, 3:40 AM PDT | Wind Advisory | LOX | 53 hr | |
| Mar 21, 6:07 AM PDT | Wind Advisory | LOX | 3 hr | |
| Mar 21, 2:51 PM PDT | Gale Warning | LOX | 54 hr | |
| Mar 21, 8:58 PM PDT | Gale Warning | MTR | 48 hr | |
| Mar 21, 11:47 PM PDT | High Wind Warning | LOX | 4 hr | |
| Mar 22, 2:05 AM PDT | Small Craft Advisory | SGX | 43 hr | |
| Mar 22, 3:10 AM PDT | Gale Watch | EKA | 11 hr | |
| Mar 22, 3:10 AM PDT | Small Craft Advisory | EKA | 4 days | |
| Mar 22, 3:27 AM PDT | Wind Advisory | LOX | Los Angeles | 57 hr |
| Mar 22, 3:27 AM PDT | Wind Advisory | VEF | San Bernardino | 27 hr |
| Mar 22, 3:27 AM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 58 hr |
| Mar 22, 3:28 AM PDT | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 30 hr |
| Mar 22, 3:28 AM PDT | Freeze Warning | EKA | Lake, Mendocino | 30 hr |
| Mar 22, 3:31 AM PDT | Wind Advisory | HNX | 28 hr | |
| Mar 22, 3:48 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 26 hr |
| Mar 22, 1:51 PM PDT | Wind Advisory | PSR | Imperial | 15 hr |
| Mar 22, 1:58 PM PDT | Wind Advisory | STO | 37 hr | |
| Mar 22, 2:03 PM PDT | Wind Advisory | HNX | 5 hr | |
| Mar 22, 2:17 PM PDT | Gale Warning | EKA | 37 hr | |
| Mar 22, 2:37 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 38 hr |
| Mar 22, 7:19 PM PDT | High Wind Warning | HNX | 34 hr | |
| Mar 23, 1:56 AM PDT | Wind Advisory | PSR | Imperial, Riverside, San Bernardino | 33 hr |
| Mar 23, 2:40 AM PDT | Wind Advisory | HNX | 26 hr | |
| Mar 23, 3:05 AM PDT | Small Craft Advisory | MTR | 12 hr | |
| Mar 23, 3:29 AM PDT | High Wind Warning | LOX | 33 hr | |
| Mar 23, 3:29 AM PDT | Wind Advisory | LOX | Los Angeles | 33 hr |
| Mar 23, 5:04 AM PDT | Wind Advisory | PSR | Imperial | 3 hr |
| Mar 23, 12:15 PM PDT | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 24 hr |
| Mar 23, 2:04 PM PDT | Frost Advisory | EKA | Humboldt, Mendocino | 19 hr |
| Mar 23, 2:04 PM PDT | Freeze Warning | EKA | Lake, Mendocino | 19 hr |
| Mar 23, 4:32 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 40 min |
| Mar 23, 4:39 PM PDT | Special Weather Statement | PSR | Imperial | 36 min |
| Mar 23, 5:11 PM PDT | Dust Storm Advisory | PSR | Imperial | 64 min |
| Mar 23, 5:14 PM PDT | Special Weather Statement | PSR | Imperial | 46 min |
| Mar 23, 8:58 PM PDT | Gale Warning | MTR | 54 hr | |
| Mar 23, 8:58 PM PDT | Small Craft Advisory | MTR | 60 hr | |
| Mar 24, 3:05 AM PDT | Small Craft Advisory | LOX | 18 hr | |
| Mar 24, 3:09 AM PDT | Gale Warning | MTR | 41 hr | |
| Mar 24, 3:09 AM PDT | Small Craft Advisory | MTR | 6 hr | |
| Mar 24, 3:09 AM PDT | Small Craft Advisory | MTR | 42 hr | |
| Mar 24, 4:49 AM PDT | Wind Advisory | HNX | 42 hr | |
| Mar 24, 8:09 AM PDT | Gale Watch | EKA | 18 hr | |
| Mar 24, 1:04 PM PDT | Wind Advisory | VEF | San Bernardino | 31 hr |
| Mar 24, 1:08 PM PDT | Small Craft Advisory | SGX | 34 hr | |
| Mar 24, 1:23 PM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 38 hr |
| Mar 24, 2:03 PM PDT | Blowing Dust Advisory | PSR | Imperial, Riverside | 30 hr |
| Mar 24, 2:03 PM PDT | Wind Advisory | PSR | Imperial, Riverside, San Bernardino | 39 hr |
| Mar 24, 2:06 PM PDT | Wind Advisory | LOX | 40 hr | |
| Mar 24, 2:08 PM PDT | Frost Advisory | EKA | Lake, Mendocino | 19 hr |
| Mar 24, 2:13 PM PDT | Small Craft Advisory | EKA | 28 hr | |
| Mar 24, 2:13 PM PDT | Gale Warning | LOX | 31 hr | |
| Mar 25, 1:56 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 33 hr |
| Mar 25, 2:05 AM PDT | Gale Warning | EKA | 28 hr | |
| Mar 25, 2:12 PM PDT | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 19 hr |
| Mar 25, 2:12 PM PDT | Freeze Warning | EKA | Lake, Mendocino | 19 hr |
| Mar 25, 8:48 PM PDT | Small Craft Advisory | LOX | 12 hr | |
| Mar 26, 2:41 AM PDT | Small Craft Advisory | EKA | 37 hr | |
| Mar 26, 2:41 AM PDT | Hazardous Seas Warning | EKA | 24 hr | |
| Mar 26, 2:48 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Mar 26, 9:10 AM PDT | Small Craft Advisory | LOX | 6 hr | |
| Mar 26, 2:32 PM PDT | Frost Advisory | EKA | Humboldt, Lake, Mendocino | 18 hr |
| Mar 27, 2:56 AM PDT | Small Craft Advisory | LOX | 18 hr | |
| Mar 27, 3:00 AM PDT | Gale Watch | EKA | 24 hr | |
| Mar 27, 3:54 AM PDT | Gale Watch | MTR | 23 hr | |
| Mar 27, 8:33 AM PDT | Small Craft Advisory | MTR | 66 hr | |
| Mar 27, 1:18 PM PDT | Wind Advisory | MFR | Modoc | 38 hr |
| Mar 27, 1:59 PM PDT | Small Craft Advisory | EKA | 37 hr | |
| Mar 27, 2:10 PM PDT | Gale Watch | LOX | 24 hr | |
| Mar 27, 3:55 PM PDT | Small Craft Advisory | EKA | 35 hr | |
| Mar 28, 2:20 AM PDT | Small Craft Advisory | LOX | 43 hr | |
| Mar 28, 2:35 AM PDT | Gale Warning | EKA | 69 hr | |
| Mar 28, 2:42 AM PDT | Gale Warning | MTR | 48 hr | |
| Mar 28, 2:15 PM PDT | Wind Advisory | STO | 30 hr | |
| Mar 28, 2:15 PM PDT | Wind Advisory | STO | 51 hr | |
| Mar 28, 2:29 PM PDT | Frost Advisory | EKA | Lake, Mendocino | 19 hr |
| Mar 28, 2:34 PM PDT | Gale Warning | LOX | 30 hr | |
| Mar 28, 8:41 PM PDT | Small Craft Advisory | MTR | 24 hr | |
| Mar 29, 1:06 AM PDT | Wind Advisory | VEF | San Bernardino | 43 hr |
| Mar 29, 2:05 AM PDT | Wind Advisory | HNX | 22 hr | |
| Mar 29, 2:19 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 41 hr |
| Mar 29, 2:56 AM PDT | Wind Advisory | MTR | San Mateo, Santa Clara, Santa Cruz | 31 hr |
| Mar 29, 3:51 AM PDT | Freeze Watch | EKA | Lake, Mendocino | 11 hr |
| Mar 29, 7:48 AM PDT | Wind Advisory | LOX | 19 hr | |
| Mar 29, 12:46 PM PDT | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 50 hr |
| Mar 29, 2:24 PM PDT | Frost Advisory | EKA | Del Norte, Mendocino | 19 hr |
| Mar 29, 2:24 PM PDT | Freeze Warning | EKA | Humboldt, Lake, Mendocino | 19 hr |
| Mar 29, 2:24 PM PDT | Wind Advisory | LOX | Los Angeles | 49 hr |
| Mar 29, 8:59 PM PDT | Hazardous Seas Warning | EKA | 6 hr | |
| Mar 29, 8:59 PM PDT | Hazardous Seas Warning | EKA | 24 hr | |
| Mar 29, 9:03 PM PDT | Small Craft Advisory | LOX | 17 hr | |
| Mar 30, 3:01 AM PDT | Hazardous Seas Warning | EKA | 18 hr | |
| Mar 30, 3:03 AM PDT | Small Craft Advisory | MTR | 12 hr | |
| Mar 30, 9:28 AM PDT | Wind Advisory | LOX | Los Angeles | 30 hr |
| Mar 30, 2:05 PM PDT | Small Craft Advisory | LOX | 24 hr | |
| Mar 30, 2:08 PM PDT | Small Craft Advisory | MTR | 19 hr | |
| Mar 30, 5:06 PM PDT | Wind Advisory | STO | 54 min | |
| Mar 30, 9:01 PM PDT | Small Craft Advisory | EKA | 14 hr | |
| Mar 30, 9:01 PM PDT | Hazardous Seas Warning | EKA | 10 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 2 |
| Special Weather Statement | 44 |
| Flooding | |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Warning | 9 |
| Winter Storm Watch | 13 |
| Winter Weather Advisory | 25 |
| Cold | |
| Freeze Warning | 15 |
| Hard Freeze Warning | 3 |
| Freeze Watch | 4 |
| Hard Freeze Watch | 2 |
| Frost Advisory | 23 |
| Wind and dust | |
| Dust Storm Warning | 1 |
| High Wind Warning | 7 |
| High Wind Watch | 5 |
| Blowing Dust Advisory | 3 |
| Dust Storm Advisory | 1 |
| Lake Wind Advisory | 9 |
| Wind Advisory | 64 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| High Surf Advisory | 5 |
| Beach Hazards Statement | 5 |
| Marine | |
| Gale Warning | 17 |
| Hazardous Seas Warning | 7 |
| Special Marine Warning | 9 |
| Storm Warning | 2 |
| Gale Watch | 12 |
| Storm Watch | 1 |
| Small Craft Advisory | 62 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mendocino County45
- Lake County29
- San Bernardino County28
- Riverside County26
- San Diego County24
- Humboldt County18
- Imperial County17
- Siskiyou County15
- Orange County14
- Alpine County14
- El Dorado County14
- Nevada County14
- Placer County14
- Del Norte County12
- Mono County9
- Fresno County9
- Monterey County7
- Los Angeles County7
- Marin County6
- Sonoma County6
- San Mateo County5
- Santa Cruz County5
- Modoc County5
- Kings County5
- City and County of San Francisco4
- Trinity County4
- Lassen County3
- Plumas County3
- Sierra County3
- San Luis Obispo County3
- Merced County3
- Inyo County3
- Kern County3
- Sacramento County2
- Tehama County2
- San Benito County2
- Alameda County2
- Yolo County2
- Santa Clara County2
- Napa County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.