Alert archive / California / 2021
Weather alerts in California, February 2021
215 weather alerts in February 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 February 2021. Tap one for its archive.
- Alerts
- 215
- Warnings
- 40
- Watches
- 24
- Advisories
- 149
- Busiest day
- February 12, 202120 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, 1:46 AM PST | Winter Weather Advisory | HNX | 47 hr | |
| Feb 1, 2:15 AM PST | Winter Storm Warning | STO | 41 hr | |
| Feb 1, 5:16 AM PST | Flood Watch | EKA | Del Norte, Humboldt, Trinity | 15 hr |
| Feb 1, 9:32 AM PST | Areal Flood Advisory | MFR | Siskiyou | 18 hr |
| Feb 1, 2:15 PM PST | Gale Watch | EKA | 16 hr | |
| Feb 1, 3:09 PM PST | Winter Weather Advisory | MFR | Siskiyou | 44 hr |
| Feb 1, 11:56 PM PST | Winter Weather Advisory | EKA | 4 hr | |
| Feb 2, 2:32 AM PST | Small Craft Advisory | MTR | 48 hr | |
| Feb 2, 3:30 AM PST | Wind Advisory | VEF | Inyo, San Bernardino | 40 hr |
| Feb 2, 4:04 AM PST | Winter Weather Advisory | EKA | Humboldt, Trinity | 31 hr |
| Feb 2, 6:38 AM PST | Gale Warning | EKA | 20 hr | |
| Feb 2, 12:25 PM PST | Winter Weather Advisory | REV | Lassen, Plumas, Sierra | 14 hr |
| Feb 2, 12:36 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 43 hr |
| Feb 2, 12:36 PM PST | Wind Advisory | REV | Mono | 26 hr |
| Feb 2, 1:02 PM PST | Wind Advisory | HNX | 13 hr | |
| Feb 2, 1:10 PM PST | Small Craft Advisory | SGX | 32 hr | |
| Feb 2, 2:06 PM PST | Small Craft Advisory | LOX | 43 hr | |
| Feb 2, 2:26 PM PST | Winter Weather Advisory | STO | 21 hr | |
| Feb 2, 8:49 PM PST | Winter Storm Warning | MFR | Siskiyou | 15 hr |
| Feb 2, 8:54 PM PST | Small Craft Advisory | EKA | 6 hr | |
| Feb 3, 1:43 AM PST | Wind Advisory | HNX | 20 hr | |
| Feb 3, 2:30 AM PST | Winter Weather Advisory | STO | 12 hr | |
| Feb 3, 2:46 AM PST | Small Craft Advisory | EKA | 6 days | |
| Feb 3, 2:46 AM PST | Hazardous Seas Warning | EKA | 12 hr | |
| Feb 3, 4:35 AM PST | Dense Fog Advisory | LOX | 4 hr | |
| Feb 3, 5:37 AM PST | Dense Fog Advisory | HNX | 8 hr | |
| Feb 3, 2:06 PM PST | Wind Advisory | LOX | Los Angeles | 25 hr |
| Feb 4, 1:32 AM PST | Lake Wind Advisory | VEF | San Bernardino | 16 hr |
| Feb 4, 2:52 AM PST | Gale Watch | EKA | 25 hr | |
| Feb 4, 2:52 AM PST | Hazardous Seas Warning | EKA | 66 hr | |
| Feb 4, 3:13 AM PST | Small Craft Advisory | MTR | 4 days | |
| Feb 4, 3:13 AM PST | Small Craft Advisory | MTR | 3 days | |
| Feb 5, 2:26 AM PST | Small Craft Advisory | LOX | 3 days | |
| Feb 5, 2:32 AM PST | Dense Fog Advisory | HNX | 6 hr | |
| Feb 5, 8:34 AM PST | Gale Warning | EKA | 36 hr | |
| Feb 5, 9:55 PM PST | Wind Advisory | LOX | Los Angeles | 13 hr |
| Feb 6, 2:00 PM PST | Small Craft Advisory | MTR | 25 hr | |
| Feb 6, 9:34 PM PST | Dense Fog Advisory | SGX | Orange, San Diego | 11 hr |
| Feb 7, 2:21 AM PST | Dense Fog Advisory | LOX | 7 hr | |
| Feb 7, 6:00 AM PST | Dense Fog Advisory | HNX | 3 hr | |
| Feb 7, 8:44 PM PST | Dense Fog Advisory | SGX | Orange, San Diego | 13 hr |
| Feb 7, 10:14 PM PST | Dense Fog Advisory | LOX | Los Angeles | 11 hr |
| Feb 8, 12:57 AM PST | Dense Fog Advisory | HNX | 8 hr | |
| Feb 8, 8:32 PM PST | Small Craft Advisory | MTR | 54 hr | |
| Feb 9, 12:43 AM PST | Wind Advisory | HNX | 27 hr | |
| Feb 9, 2:16 AM PST | Gale Watch | LOX | 26 hr | |
| Feb 9, 2:16 AM PST | Small Craft Advisory | LOX | 48 hr | |
| Feb 10, 2:34 AM PST | Gale Watch | EKA | 24 hr | |
| Feb 10, 2:53 AM PST | Small Craft Advisory | MTR | 8 days | |
| Feb 10, 3:56 AM PST | Gale Warning | LOX | 16 hr | |
| Feb 10, 12:22 PM PST | Winter Weather Advisory | HNX | 43 hr | |
| Feb 10, 1:09 PM PST | Winter Weather Advisory | STO | 39 hr | |
| Feb 10, 1:41 PM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Mono, Nevada, Placer | 38 hr |
| Feb 10, 2:18 PM PST | Small Craft Advisory | EKA | 28 hr | |
| Feb 10, 7:53 PM PST | Small Craft Advisory | LOX | 43 hr | |
| Feb 11, 2:07 AM PST | Gale Watch | LOX | 25 hr | |
| Feb 11, 2:07 AM PST | Small Craft Advisory | LOX | 4 days | |
| Feb 11, 2:28 AM PST | High Wind Watch | VEF | Inyo, San Bernardino | 35 hr |
| Feb 11, 2:48 AM PST | High Wind Watch | HNX | 41 hr | |
| Feb 11, 2:59 AM PST | Gale Warning | MTR | 24 hr | |
| Feb 11, 1:08 PM PST | Small Craft Advisory | SGX | 30 hr | |
| Feb 11, 2:56 PM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 48 hr |
| Feb 12, 2:07 AM PST | Hazardous Seas Watch | EKA | 12 hr | |
| Feb 12, 2:17 AM PST | High Wind Watch | SGX | Riverside, San Bernardino, San Diego | 11 hr |
| Feb 12, 2:39 AM PST | Gale Watch | LOX | 12 hr | |
| Feb 12, 2:39 AM PST | Gale Warning | LOX | 67 hr | |
| Feb 12, 2:49 AM PST | Winter Weather Advisory | EKA | 33 hr | |
| Feb 12, 2:59 AM PST | Winter Weather Advisory | STO | 33 hr | |
| Feb 12, 3:08 AM PST | Small Craft Advisory | MTR | 6 days | |
| Feb 12, 4:08 AM PST | Wind Advisory | MFR | Modoc, Siskiyou | 35 hr |
| Feb 12, 5:33 AM PST | High Wind Watch | LOX | 23 hr | |
| Feb 12, 5:33 AM PST | Wind Advisory | LOX | Los Angeles | 3 days |
| Feb 12, 6:26 AM PST | Gale Watch | SGX | 12 hr | |
| Feb 12, 7:30 AM PST | Wind Advisory | HNX | 12 hr | |
| Feb 12, 10:03 AM PST | Areal Flood Advisory | SGX | Riverside, San Bernardino | 59 min |
| Feb 12, 1:10 PM PST | High Wind Warning | REV | Mono | 27 hr |
| Feb 12, 1:10 PM PST | High Wind Warning | VEF | Inyo, San Bernardino | 30 hr |
| Feb 12, 1:10 PM PST | Wind Advisory | VEF | Inyo, San Bernardino | 39 hr |
| Feb 12, 1:19 PM PST | High Wind Warning | SGX | Riverside, San Bernardino, San Diego | 33 hr |
| Feb 12, 1:25 PM PST | Wind Advisory | PSR | Imperial, Riverside, San Bernardino | 33 hr |
| Feb 12, 1:26 PM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Nevada, Placer | 23 hr |
| Feb 12, 2:22 PM PST | Small Craft Advisory | EKA | 5 days | |
| Feb 12, 6:44 PM PST | Gale Warning | SGX | 27 hr | |
| Feb 12, 6:44 PM PST | Small Craft Advisory | SGX | 9 hr | |
| Feb 12, 7:23 PM PST | High Wind Warning | HNX | 26 hr | |
| Feb 12, 7:23 PM PST | Wind Advisory | HNX | 14 hr | |
| Feb 13, 3:03 AM PST | Wind Advisory | SGX | Orange, San Diego | 15 hr |
| Feb 13, 4:20 AM PST | High Wind Warning | LOX | 32 hr | |
| Feb 13, 4:53 AM PST | Special Weather Statement | STO | Tehama | 37 min |
| Feb 13, 5:27 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 11 hr |
| Feb 13, 10:33 AM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 4 hr |
| Feb 13, 11:06 AM PST | Blowing Dust Advisory | PSR | Imperial, Riverside, San Bernardino | 9 hr |
| Feb 13, 12:05 PM PST | Lake Wind Advisory | VEF | San Bernardino | 30 hr |
| Feb 13, 1:54 PM PST | High Surf Advisory | LOX | 4 days | |
| Feb 13, 2:14 PM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Nevada, Placer | 48 hr |
| Feb 13, 2:15 PM PST | Winter Weather Advisory | STO | 48 hr | |
| Feb 13, 9:17 PM PST | Wind Advisory | HNX | 4 hr | |
| Feb 13, 9:32 PM PST | Small Craft Advisory | SGX | 25 hr | |
| Feb 14, 2:27 AM PST | Small Craft Advisory | LOX | 4 days | |
| Feb 14, 2:52 AM PST | Small Craft Advisory | MTR | 18 hr | |
| Feb 14, 4:19 AM PST | Winter Weather Advisory | MFR | Modoc | 54 hr |
| Feb 14, 4:20 AM PST | Wind Advisory | MFR | Modoc | 48 hr |
| Feb 14, 11:28 AM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 25 hr |
| Feb 14, 12:28 PM PST | Wind Advisory | VEF | Inyo, San Bernardino | 43 hr |
| Feb 14, 1:17 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 35 hr |
| Feb 14, 1:24 PM PST | Wind Advisory | HNX | 59 hr | |
| Feb 14, 1:38 PM PST | Wind Advisory | LOX | 56 hr | |
| Feb 14, 8:36 PM PST | Small Craft Advisory | MTR | 54 hr | |
| Feb 14, 9:53 PM PST | Wind Advisory | LOX | Los Angeles | 53 hr |
| Feb 14, 9:56 PM PST | Gale Warning | LOX | 53 hr | |
| Feb 15, 1:43 AM PST | Wind Advisory | PSR | Imperial | 33 hr |
| Feb 15, 2:30 AM PST | Small Craft Advisory | SGX | 55 hr | |
| Feb 15, 2:51 AM PST | Small Craft Advisory | MTR | 48 hr | |
| Feb 15, 3:04 AM PST | Wind Advisory | REV | Mono | 16 hr |
| Feb 15, 9:05 AM PST | Dense Fog Advisory | HNX | 8 hr | |
| Feb 15, 12:39 PM PST | High Wind Warning | SGX | Riverside, San Bernardino, San Diego | 21 hr |
| Feb 15, 9:02 PM PST | High Wind Warning | LOX | 14 hr | |
| Feb 16, 9:33 AM PST | Dense Fog Advisory | HNX | 4 hr | |
| Feb 16, 12:04 PM PST | Beach Hazards Statement | LOX | 26 hr | |
| Feb 17, 2:55 AM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 46 hr |
| Feb 17, 3:01 AM PST | Wind Advisory | MFR | Siskiyou | 46 hr |
| Feb 17, 3:43 AM PST | Winter Weather Advisory | EKA | 43 hr | |
| Feb 17, 11:57 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 26 hr |
| Feb 17, 1:30 PM PST | Wind Advisory | LOX | Los Angeles | 25 hr |
| Feb 17, 2:01 PM PST | Small Craft Advisory | EKA | 34 hr | |
| Feb 18, 8:14 AM PST | Small Craft Advisory | LOX | 7 hr | |
| Feb 18, 1:11 PM PST | Gale Watch | LOX | 7 hr | |
| Feb 18, 1:11 PM PST | Small Craft Advisory | LOX | 3 days | |
| Feb 18, 8:23 PM PST | Small Craft Advisory | MTR | 4 days | |
| Feb 18, 8:33 PM PST | Gale Warning | LOX | 48 hr | |
| Feb 19, 2:17 AM PST | Small Craft Advisory | SGX | 43 hr | |
| Feb 19, 2:19 AM PST | Small Craft Advisory | MTR | 55 hr | |
| Feb 19, 2:27 AM PST | Winter Weather Advisory | STO | 18 hr | |
| Feb 19, 2:43 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 28 hr |
| Feb 19, 3:01 AM PST | Small Craft Advisory | EKA | 21 hr | |
| Feb 19, 12:41 PM PST | Wind Advisory | HNX | 27 hr | |
| Feb 19, 1:07 PM PST | Wind Advisory | VEF | San Bernardino | 29 hr |
| Feb 19, 1:21 PM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 50 hr |
| Feb 19, 2:17 PM PST | Wind Advisory | LOX | Los Angeles | 3 days |
| Feb 19, 2:23 PM PST | Small Craft Advisory | EKA | 10 hr | |
| Feb 19, 2:23 PM PST | Hazardous Seas Warning | EKA | 6 hr | |
| Feb 19, 2:35 PM PST | Winter Weather Advisory | MFR | Siskiyou | 19 hr |
| Feb 19, 4:25 PM PST | Gale Warning | EKA | 17 hr | |
| Feb 19, 4:49 PM PST | Winter Weather Advisory | EKA | Humboldt, Trinity | 14 hr |
| Feb 19, 8:05 PM PST | Winter Weather Advisory | STO | 14 hr | |
| Feb 20, 2:37 AM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Nevada, Placer | 7 hr |
| Feb 20, 2:41 AM PST | Hazardous Seas Warning | EKA | 18 hr | |
| Feb 20, 2:10 PM PST | Blowing Dust Advisory | PSR | Imperial, Riverside | 4 hr |
| Feb 20, 5:20 PM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 22 hr |
| Feb 20, 5:27 PM PST | High Wind Warning | LOX | 4 hr | |
| Feb 20, 5:27 PM PST | Wind Advisory | LOX | 45 hr | |
| Feb 20, 5:54 PM PST | Small Craft Advisory | EKA | 8 days | |
| Feb 20, 9:07 PM PST | Small Craft Advisory | LOX | 18 hr | |
| Feb 21, 2:45 AM PST | High Surf Advisory | LOX | 18 hr | |
| Feb 21, 2:00 PM PST | Gale Watch | MTR | 12 hr | |
| Feb 21, 2:00 PM PST | Small Craft Advisory | MTR | 4 days | |
| Feb 21, 2:07 PM PST | Gale Watch | EKA | 24 hr | |
| Feb 21, 8:17 PM PST | Small Craft Advisory | LOX | 18 hr | |
| Feb 22, 2:27 AM PST | Gale Warning | MTR | 67 hr | |
| Feb 22, 2:27 AM PST | Small Craft Advisory | MTR | 6 days | |
| Feb 22, 1:37 PM PST | Small Craft Advisory | LOX | 4 days | |
| Feb 22, 2:02 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 56 hr |
| Feb 22, 2:04 PM PST | Gale Warning | EKA | 55 hr | |
| Feb 22, 2:04 PM PST | Hazardous Seas Warning | EKA | 13 hr | |
| Feb 22, 2:04 PM PST | Hazardous Seas Warning | EKA | 43 hr | |
| Feb 23, 2:17 AM PST | Wind Advisory | EKA | Lake | 52 hr |
| Feb 23, 2:36 AM PST | Wind Advisory | MTR | Alameda, Contra Costa, San Mateo, Santa Clara, Santa Cruz | 49 hr |
| Feb 23, 2:50 AM PST | Wind Advisory | STO | 41 hr | |
| Feb 23, 2:52 AM PST | Wind Advisory | VEF | Inyo, San Bernardino | 61 hr |
| Feb 23, 3:01 AM PST | Small Craft Advisory | MTR | 48 hr | |
| Feb 23, 4:34 AM PST | High Surf Advisory | LOX | 39 hr | |
| Feb 23, 12:01 PM PST | High Wind Watch | LOX | Los Angeles | 15 hr |
| Feb 23, 12:06 PM PST | High Wind Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 14 hr |
| Feb 24, 2:25 AM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 34 hr |
| Feb 24, 2:44 AM PST | Gale Warning | LOX | 33 hr | |
| Feb 24, 3:01 AM PST | Wind Advisory | PSR | Imperial, Riverside | 34 hr |
| Feb 24, 3:23 AM PST | High Wind Warning | LOX | Los Angeles | 33 hr |
| Feb 24, 3:23 AM PST | Wind Advisory | LOX | Los Angeles | 39 hr |
| Feb 24, 12:32 PM PST | Small Craft Advisory | SGX | 23 hr | |
| Feb 24, 12:46 PM PST | High Wind Watch | MFR | Modoc | 26 hr |
| Feb 24, 12:46 PM PST | Wind Advisory | MFR | Modoc, Siskiyou | 63 hr |
| Feb 24, 2:56 PM PST | Gale Watch | MTR | 7 hr | |
| Feb 24, 3:02 PM PST | Small Craft Advisory | EKA | 4 days | |
| Feb 24, 9:11 PM PST | Hazardous Seas Warning | EKA | 12 hr | |
| Feb 24, 9:38 PM PST | Gale Warning | MTR | 71 hr | |
| Feb 25, 2:49 AM PST | Gale Watch | LOX | 12 hr | |
| Feb 25, 8:38 AM PST | Gale Warning | MTR | 60 hr | |
| Feb 25, 8:38 AM PST | Small Craft Advisory | MTR | 3 days | |
| Feb 25, 2:17 PM PST | High Wind Warning | MFR | Modoc | 29 hr |
| Feb 25, 2:26 PM PST | Gale Warning | LOX | 55 hr | |
| Feb 25, 2:34 PM PST | Wind Advisory | LOX | 9 hr | |
| Feb 25, 2:52 PM PST | Wind Advisory | REV | Modoc | 28 hr |
| Feb 25, 9:00 PM PST | Hazardous Seas Warning | EKA | 30 hr | |
| Feb 25, 9:02 PM PST | Wind Advisory | LOX | Los Angeles | 69 hr |
| Feb 26, 1:38 AM PST | High Surf Advisory | LOX | 56 hr | |
| Feb 26, 2:39 AM PST | Small Craft Advisory | LOX | 60 hr | |
| Feb 26, 3:13 AM PST | High Wind Watch | LOX | Los Angeles | 24 hr |
| Feb 26, 3:44 AM PST | High Wind Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 23 hr |
| Feb 26, 1:28 PM PST | Wind Advisory | HNX | 10 hr | |
| Feb 26, 1:28 PM PST | Wind Advisory | HNX | 32 hr | |
| Feb 26, 1:28 PM PST | Wind Advisory | HNX | 37 hr | |
| Feb 26, 1:42 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 5 hr |
| Feb 27, 1:43 AM PST | Wind Advisory | VEF | San Bernardino | 35 hr |
| Feb 27, 2:16 AM PST | Wind Advisory | STO | 16 hr | |
| Feb 27, 2:35 AM PST | Small Craft Advisory | EKA | 36 hr | |
| Feb 27, 2:52 AM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 36 hr |
| Feb 27, 2:52 AM PST | Wind Advisory | SGX | Orange | 24 hr |
| Feb 27, 3:30 AM PST | High Wind Watch | LOX | 10 hr | |
| Feb 27, 3:30 AM PST | High Wind Warning | LOX | Los Angeles | 33 hr |
| Feb 27, 3:32 AM PST | Gale Warning | LOX | 32 hr | |
| Feb 27, 3:32 AM PST | Small Craft Advisory | LOX | 23 hr | |
| Feb 27, 12:27 PM PST | Wind Advisory | PSR | Imperial, Riverside, San Bernardino | 27 hr |
| Feb 28, 2:28 AM PST | Wind Advisory | SGX | Orange, Riverside, San Diego | 25 hr |
| Feb 28, 3:10 PM PST | Frost Advisory | EKA | Mendocino | 17 hr |
| Feb 28, 3:10 PM PST | Freeze Warning | EKA | Lake, Mendocino | 17 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 | |
| Special Weather Statement | 1 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Weather Advisory | 25 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 13 |
| High Wind Watch | 10 |
| Blowing Dust Advisory | 2 |
| Lake Wind Advisory | 8 |
| Wind Advisory | 50 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
| Coast and beach | |
| High Surf Advisory | 4 |
| Beach Hazards Statement | 1 |
| Marine | |
| Gale Warning | 16 |
| Hazardous Seas Warning | 8 |
| Gale Watch | 12 |
| Hazardous Seas Watch | 1 |
| Small Craft Advisory | 46 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County25
- Riverside County18
- San Diego County15
- Los Angeles County13
- Orange County11
- Siskiyou County10
- Alpine County10
- El Dorado County10
- Nevada County10
- Placer County10
- Modoc County10
- Inyo County6
- Imperial County6
- Mono County4
- Humboldt County3
- Trinity County3
- Lake County2
- Mendocino County2
- Del Norte County1
- Lassen County1
- Plumas County1
- Sierra County1
- Tehama County1
- Alameda County1
- Contra Costa County1
- San Mateo County1
- Santa Clara County1
- Santa Cruz County1
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.