Alert archive / California / 2007
Weather alerts in California, December 2007
248 weather alerts in December 2007, 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 December 2007. Tap one for its archive.
- Alerts
- 248
- Warnings
- 57
- Watches
- 34
- Advisories
- 140
- Busiest day
- December 1, 200716 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 |
|---|---|---|---|---|
| Nov 30, 9:05 PM PST | Flash Flood Warning | SGX | San Diego | 115 min |
| Nov 30, 9:23 PM PST | Wind Advisory | LOX | 9 hr | |
| Nov 30, 10:53 PM PST | Flash Flood Warning | SGX | San Diego | 4 hr |
| Nov 30, 11:10 PM PST | Flash Flood Warning | SGX | San Diego | 2 hr |
| Dec 1, 12:48 AM PST | Flash Flood Warning | SGX | San Diego | 117 min |
| Dec 1, 2:53 AM PST | Dense Fog Advisory | LOX | 4 hr | |
| Dec 1, 3:36 AM PST | High Wind Watch | REV | Lassen, Modoc, Plumas, Sierra | 24 hr |
| Dec 1, 4:00 AM PST | High Wind Warning | MFR | Siskiyou | 63 hr |
| Dec 1, 4:19 AM PST | High Wind Warning | EKA | 65 hr | |
| Dec 1, 4:53 AM PST | Snow Advisory | EKA | 29 hr | |
| Dec 1, 7:31 AM PST | Wind Advisory | PSR | 8 hr | |
| Dec 1, 8:40 AM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 12 hr |
| Dec 1, 1:39 PM PST | High Surf Advisory | SGX | San Diego | 6 hr |
| Dec 1, 1:41 PM PST | Wind Advisory | MFR | Modoc, Siskiyou | 49 hr |
| Dec 1, 2:45 PM PST | High Surf Warning | EKA | 3 days | |
| Dec 1, 3:47 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 12 hr |
| Dec 1, 8:27 PM PST | Freeze Warning | HNX | 13 hr | |
| Dec 1, 8:35 PM PST | Wind Advisory | MTR | Marin, Sonoma | 36 hr |
| Dec 2, 3:44 AM PST | High Wind Warning | REV | Lassen, Modoc, Plumas, Sierra | 40 hr |
| Dec 2, 3:44 AM PST | Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 42 hr |
| Dec 2, 4:22 AM PST | Winter Weather Advisory | STO | 24 hr | |
| Dec 2, 4:46 AM PST | Wind Advisory | STO | 31 hr | |
| Dec 2, 6:25 AM PST | Coastal Flood Statement | LOX | Los Angeles | 19 hr |
| Dec 2, 9:26 AM PST | Snow and Blowing Snow Advisory | MFR | Siskiyou | 10 hr |
| Dec 2, 12:12 PM PST | Marine Weather Statement | LOX | 4 days | |
| Dec 2, 1:40 PM PST | Wind Advisory | EKA | 26 hr | |
| Dec 2, 3:22 PM PST | Fire Weather Watch | LOX | 25 hr | |
| Dec 2, 7:22 PM PST | Heavy Snow Warning | MFR | Siskiyou | 13 hr |
| Dec 2, 7:28 PM PST | High Surf Advisory | MTR | Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 45 hr |
| Dec 3, 1:21 AM PST | High Surf Advisory | SGX | San Diego | 6 days |
| Dec 3, 1:31 AM PST | Marine Weather Statement | SGX | 52 hr | |
| Dec 3, 1:49 AM PST | High Surf Advisory | LOX | Los Angeles | 4 days |
| Dec 3, 5:59 AM PST | Marine Weather Statement | MTR | 16 hr | |
| Dec 3, 6:00 AM PST | Red Flag Warning | HNX | 12 hr | |
| Dec 3, 12:33 PM PST | Wind Advisory | STO | 8 hr | |
| Dec 3, 4:15 PM PST | Red Flag Warning | LOX | Los Angeles | 42 hr |
| Dec 4, 8:56 AM PST | Wind Advisory | LOX | 17 hr | |
| Dec 4, 10:43 AM PST | High Surf Warning | MTR | Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 19 hr |
| Dec 4, 2:32 PM PST | Winter Storm Watch | STO | 24 hr | |
| Dec 4, 2:41 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 24 hr |
| Dec 4, 3:27 PM PST | Winter Storm Watch | HNX | 36 hr | |
| Dec 4, 8:39 PM PST | High Surf Advisory | EKA | 4 hr | |
| Dec 4, 11:49 PM PST | Coastal Flood Advisory | LOX | 10 hr | |
| Dec 5, 2:06 AM PST | High Surf Advisory | EKA | 7 hr | |
| Dec 5, 2:59 AM PST | Snow Advisory | MFR | Modoc, Siskiyou | 46 hr |
| Dec 5, 5:58 AM PST | High Surf Advisory | MTR | Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 10 hr |
| Dec 5, 7:09 AM PST | Dense Fog Advisory | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 3 hr |
| Dec 5, 7:37 AM PST | Dense Fog Advisory | STO | 3 hr | |
| Dec 5, 2:31 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 49 hr |
| Dec 5, 2:43 PM PST | Flash Flood Watch | LOX | Los Angeles, Santa Barbara | 47 hr |
| Dec 5, 2:48 PM PST | Winter Storm Watch | REV | Modoc | 13 hr |
| Dec 5, 2:48 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 49 hr |
| Dec 5, 2:50 PM PST | Winter Storm Warning | STO | 24 hr | |
| Dec 5, 3:22 PM PST | Winter Storm Warning | VEF | Inyo | 43 hr |
| Dec 5, 9:35 PM PST | Dense Fog Advisory | LOX | 8 hr | |
| Dec 6, 3:00 AM PST | Snow Advisory | STO | 22 hr | |
| Dec 6, 3:30 AM PST | Winter Storm Warning | HNX | 43 hr | |
| Dec 6, 3:53 AM PST | Dense Fog Advisory | PSR | 5 hr | |
| Dec 6, 4:05 AM PST | Heavy Snow Warning | REV | Modoc | 31 hr |
| Dec 6, 5:17 AM PST | High Wind Watch | SGX | Riverside, San Bernardino, San Diego | 10 hr |
| Dec 6, 12:28 PM PST | Wind Advisory | PSR | 31 hr | |
| Dec 6, 2:08 PM PST | Wind Advisory | LOX | Los Angeles, Santa Barbara | 21 hr |
| Dec 6, 2:42 PM PST | Heavy Snow Warning | STO | 21 hr | |
| Dec 6, 2:43 PM PST | Wind Advisory | HNX | 26 hr | |
| Dec 6, 3:20 PM PST | High Wind Warning | SGX | Riverside, San Bernardino, San Diego | 30 hr |
| Dec 6, 3:20 PM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 22 hr |
| Dec 6, 3:41 PM PST | Wind Advisory | VEF | San Bernardino | 26 hr |
| Dec 6, 6:24 PM PST | High Wind Warning | LOX | 17 hr | |
| Dec 6, 7:36 PM PST | Marine Weather Statement | LOX | 58 hr | |
| Dec 6, 8:20 PM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 18 hr |
| Dec 7, 2:33 AM PST | Marine Weather Statement | MTR | 25 hr | |
| Dec 7, 5:00 AM PST | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Dec 7, 5:58 AM PST | Flash Flood Warning | SGX | San Diego | 2 hr |
| Dec 7, 9:19 AM PST | Dense Fog Advisory | PSR | 101 min | |
| Dec 7, 11:11 AM PST | Wind Advisory | LOX | 3 hr | |
| Dec 7, 1:00 PM PST | High Surf Advisory | LOX | 38 hr | |
| Dec 7, 2:31 PM PST | Wind Advisory | LOX | 6 hr | |
| Dec 7, 5:26 PM PST | Coastal Flood Statement | LOX | 23 hr | |
| Dec 8, 2:22 AM PST | Snow and Blowing Snow Advisory | LOX | 31 hr | |
| Dec 8, 12:09 PM PST | Marine Weather Statement | SGX | 23 hr | |
| Dec 8, 1:40 PM PST | Snow Advisory | SGX | Riverside, San Bernardino, San Diego | 22 hr |
| Dec 8, 2:31 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 25 hr |
| Dec 8, 4:24 PM PST | Snow Advisory | HNX | 10 hr | |
| Dec 9, 1:36 AM PST | Snow Advisory | LOX | 7 hr | |
| Dec 9, 2:20 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 24 hr |
| Dec 9, 3:30 AM PST | Frost Advisory | HNX | 29 hr | |
| Dec 9, 3:30 AM PST | Frost Advisory | HNX | 53 hr | |
| Dec 9, 3:59 AM PST | Wind Advisory | LOX | Los Angeles | 14 hr |
| Dec 9, 2:44 PM PST | Frost Advisory | LOX | 13 hr | |
| Dec 10, 4:09 AM PST | Wind Advisory | LOX | Los Angeles | 11 hr |
| Dec 10, 1:51 PM PST | Wind Advisory | MTR | 19 hr | |
| Dec 10, 2:28 PM PST | Wind Advisory | STO | 24 hr | |
| Dec 10, 3:14 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 21 hr |
| Dec 10, 3:28 PM PST | Wind Advisory | LOX | Los Angeles | 27 hr |
| Dec 11, 6:58 AM PST | Marine Weather Statement | LOX | 5 hr | |
| Dec 11, 7:01 AM PST | Marine Weather Statement | SGX | 5 hr | |
| Dec 11, 7:34 AM PST | Special Marine Warning | SGX | 116 min | |
| Dec 11, 1:58 PM PST | Freeze Warning | MTR | Marin, Napa, Sonoma | 14 hr |
| Dec 11, 2:13 PM PST | Frost Advisory | LOX | 19 hr | |
| Dec 11, 8:33 PM PST | Frost Advisory | HNX | 11 hr | |
| Dec 12, 1:50 PM PST | Frost Advisory | HNX | 18 hr | |
| Dec 13, 9:33 AM PST | Frost Advisory | HNX | 23 hr | |
| Dec 14, 3:25 AM PST | Frost Advisory | HNX | 30 hr | |
| Dec 14, 2:37 PM PST | High Wind Watch | MFR | Siskiyou | 24 hr |
| Dec 15, 1:59 AM PST | Frost Advisory | HNX | 30 hr | |
| Dec 15, 2:09 PM PST | Winter Storm Watch | STO | 39 hr | |
| Dec 15, 2:09 PM PST | Winter Weather Advisory | STO | 16 hr | |
| Dec 15, 2:25 PM PST | Winter Storm Watch | MFR | Siskiyou | 6 hr |
| Dec 15, 2:26 PM PST | High Wind Warning | MFR | Siskiyou | 30 hr |
| Dec 15, 2:43 PM PST | Snow Advisory | EKA | 43 hr | |
| Dec 15, 3:07 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 36 hr |
| Dec 15, 8:45 PM PST | Snow and Blowing Snow Advisory | MFR | Modoc, Siskiyou | 37 hr |
| Dec 15, 8:45 PM PST | Winter Storm Watch | MFR | Siskiyou | 18 hr |
| Dec 15, 8:45 PM PST | Winter Storm Warning | MFR | Siskiyou | 61 hr |
| Dec 15, 8:46 PM PST | High Wind Watch | MFR | Siskiyou | 31 hr |
| Dec 16, 3:41 AM PST | Winter Storm Watch | EKA | 31 hr | |
| Dec 16, 4:41 AM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 24 hr |
| Dec 16, 6:38 AM PST | Snow Advisory | STO | 8 hr | |
| Dec 16, 2:38 PM PST | Snow and Blowing Snow Advisory | STO | 20 hr | |
| Dec 16, 2:40 PM PST | Snow and Blowing Snow Advisory | MFR | Modoc, Siskiyou | 14 hr |
| Dec 16, 3:15 PM PST | Winter Storm Watch | HNX | 12 hr | |
| Dec 16, 3:17 PM PST | Snow Advisory | REV | Lassen, Plumas, Sierra | 14 hr |
| Dec 17, 2:58 AM PST | Winter Storm Watch | HNX | 7 hr | |
| Dec 17, 2:58 AM PST | Winter Storm Warning | HNX | 49 hr | |
| Dec 17, 3:45 AM PST | Wind Advisory | MFR | Siskiyou | 16 hr |
| Dec 17, 4:28 AM PST | Snow Advisory | MFR | Siskiyou | 16 hr |
| Dec 17, 4:42 AM PST | Winter Storm Warning | STO | 38 hr | |
| Dec 17, 4:45 AM PST | Winter Storm Warning | EKA | 29 hr | |
| Dec 17, 4:51 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 41 hr |
| Dec 17, 9:50 AM PST | Snow Advisory | HNX | 42 hr | |
| Dec 17, 9:54 AM PST | Snow and Blowing Snow Advisory | MFR | Siskiyou | 28 hr |
| Dec 17, 10:48 AM PST | Snow Advisory | EKA | 23 hr | |
| Dec 17, 10:51 AM PST | Winter Storm Watch | VEF | Inyo | 5 hr |
| Dec 17, 11:00 AM PST | Snow Advisory | REV | Modoc | 23 hr |
| Dec 17, 2:47 PM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 25 hr |
| Dec 17, 3:19 PM PST | Wind Advisory | STO | 19 hr | |
| Dec 17, 3:29 PM PST | Winter Storm Warning | VEF | Inyo | 29 hr |
| Dec 17, 3:40 PM PST | Winter Storm Watch | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 37 hr |
| Dec 17, 10:00 PM PST | Flash Flood Watch | LOX | Los Angeles, Santa Barbara | 29 hr |
| Dec 18, 2:41 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 23 hr |
| Dec 18, 2:53 AM PST | Winter Storm Watch | MFR | Siskiyou | 24 hr |
| Dec 18, 6:19 AM PST | Wind Advisory | MFR | Siskiyou | 3 hr |
| Dec 18, 9:36 AM PST | Snow Advisory | MFR | Siskiyou | 5 hr |
| Dec 18, 10:10 AM PST | Mesoscale Discussion | SPC | Alpine, El Dorado, Nevada, Placer, Tulare, Tuolumne | 5 hr |
| Dec 18, 1:26 PM PST | Snow Advisory | SGX | San Bernardino | 19 hr |
| Dec 18, 2:05 PM PST | Snow and Blowing Snow Advisory | LOX | 12 hr | |
| Dec 18, 3:02 PM PST | Winter Storm Watch | STO | 13 hr | |
| Dec 19, 12:20 AM PST | Flash Flood Warning | HNX | Fresno | 3 hr |
| Dec 19, 2:28 AM PST | Snow Advisory | LOX | 8 hr | |
| Dec 19, 2:32 AM PST | Winter Storm Warning | MFR | Siskiyou | 30 hr |
| Dec 19, 4:11 AM PST | Winter Storm Warning | HNX | 38 hr | |
| Dec 19, 4:22 AM PST | Winter Storm Warning | STO | 30 hr | |
| Dec 19, 4:24 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 35 hr |
| Dec 19, 4:35 AM PST | High Wind Watch | REV | Modoc | 10 hr |
| Dec 19, 4:35 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 15 hr |
| Dec 19, 4:38 AM PST | Snow Advisory | EKA | 29 hr | |
| Dec 19, 1:51 PM PST | Snow and Blowing Snow Advisory | MFR | Siskiyou | 19 hr |
| Dec 19, 1:51 PM PST | Snow Advisory | MFR | Modoc, Siskiyou | 19 hr |
| Dec 19, 2:00 PM PST | Snow Advisory | REV | Modoc | 20 hr |
| Dec 19, 4:40 PM PST | Mesoscale Discussion | SPC | Siskiyou | 5 hr |
| Dec 19, 7:34 PM PST | Wind Advisory | STO | 8 hr | |
| Dec 19, 9:34 PM PST | Mesoscale Discussion | SPC | Alpine, El Dorado, Nevada, Placer, Plumas, Sierra and 1 more | 4 hr |
| Dec 19, 9:45 PM PST | High Wind Watch | LOX | 17 hr | |
| Dec 20, 2:22 AM PST | Marine Weather Statement | MTR | 8 hr | |
| Dec 20, 2:27 AM PST | Wind Advisory | HNX | 19 hr | |
| Dec 20, 2:41 AM PST | Snow Advisory | HNX | 15 hr | |
| Dec 20, 2:49 AM PST | Wind Advisory | PSR | 40 hr | |
| Dec 20, 3:07 AM PST | Wind Advisory | MTR | San Mateo, Santa Clara, Santa Cruz | 5 hr |
| Dec 20, 3:12 AM PST | Wind Advisory | LOX | Los Angeles | 55 hr |
| Dec 20, 3:40 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 54 hr |
| Dec 20, 3:44 AM PST | Wind Advisory | VEF | San Bernardino | 35 hr |
| Dec 20, 4:47 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 17 hr |
| Dec 20, 7:02 AM PST | Coastal Flood Advisory | SGX | San Diego | 5 days |
| Dec 20, 2:23 PM PST | High Wind Warning | LOX | 20 hr | |
| Dec 20, 3:24 PM PST | Wind Advisory | VEF | San Bernardino | 24 hr |
| Dec 21, 3:20 AM PST | Frost Advisory | MTR | Santa Clara | 12 hr |
| Dec 21, 3:20 AM PST | Freeze Warning | MTR | Marin, Napa, Santa Clara, Sonoma | 30 hr |
| Dec 21, 8:03 AM PST | Frost Advisory | HNX | 25 hr | |
| Dec 21, 10:39 AM PST | Red Flag Warning | PSR | Imperial, Riverside | 8 hr |
| Dec 21, 3:49 PM PST | Frost Advisory | MTR | Alameda, Contra Costa, San Mateo, Santa Clara | 17 hr |
| Dec 22, 10:54 AM PST | Freeze Warning | PSR | 21 hr | |
| Dec 22, 2:20 PM PST | High Wind Watch | LOX | Los Angeles | 48 hr |
| Dec 23, 2:29 AM PST | Dense Fog Advisory | HNX | 9 hr | |
| Dec 23, 3:04 AM PST | High Wind Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 34 hr |
| Dec 23, 8:17 AM PST | Wind Advisory | LOX | 37 hr | |
| Dec 23, 11:14 AM PST | Dense Fog Advisory | HNX | 59 min | |
| Dec 23, 2:22 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 28 hr |
| Dec 23, 2:49 PM PST | Fire Weather Watch | LOX | Los Angeles | 19 hr |
| Dec 23, 8:30 PM PST | Dense Fog Advisory | HNX | 15 hr | |
| Dec 24, 12:38 AM PST | Fire Weather Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 10 hr |
| Dec 24, 2:44 AM PST | Wind Advisory | VEF | San Bernardino | 37 hr |
| Dec 24, 9:13 AM PST | High Wind Warning | LOX | Los Angeles | 33 hr |
| Dec 24, 9:14 AM PST | High Surf Advisory | EKA | 13 hr | |
| Dec 24, 9:44 AM PST | Red Flag Warning | LOX | Los Angeles | 34 hr |
| Dec 24, 10:31 AM PST | Red Flag Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 31 hr |
| Dec 24, 12:44 PM PST | Wind Advisory | PSR | 27 hr | |
| Dec 24, 12:45 PM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 29 hr |
| Dec 24, 12:45 PM PST | Wind Advisory | SGX | Riverside, San Diego | 29 hr |
| Dec 24, 1:45 PM PST | Red Flag Warning | PSR | Imperial, Riverside | 28 hr |
| Dec 24, 3:19 PM PST | High Wind Watch | VEF | Inyo | 24 hr |
| Dec 24, 6:40 PM PST | High Surf Advisory | LOX | 33 hr | |
| Dec 24, 8:59 PM PST | Wind Advisory | LOX | 6 hr | |
| Dec 24, 9:42 PM PST | Dense Fog Advisory | HNX | 9 hr | |
| Dec 25, 2:32 AM PST | Snow Advisory | MFR | Siskiyou | 37 hr |
| Dec 25, 3:15 AM PST | Marine Weather Statement | LOX | 13 hr | |
| Dec 25, 2:20 PM PST | Freeze Warning | PSR | 18 hr | |
| Dec 25, 3:48 PM PST | High Wind Warning | VEF | Inyo | 18 hr |
| Dec 25, 7:02 PM PST | High Wind Watch | LOX | Los Angeles | 18 hr |
| Dec 26, 2:27 AM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 16 hr |
| Dec 26, 2:56 AM PST | High Wind Warning | LOX | Los Angeles | 33 hr |
| Dec 26, 10:36 AM PST | Wind Advisory | LOX | 3 hr | |
| Dec 26, 11:05 AM PST | Wind Advisory | HNX | 11 hr | |
| Dec 26, 12:24 PM PST | Wind Advisory | VEF | San Bernardino | 10 hr |
| Dec 26, 12:32 PM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 25 hr |
| Dec 26, 12:50 PM PST | Frost Advisory | HNX | 20 hr | |
| Dec 26, 1:09 PM PST | Wind Advisory | LOX | Los Angeles | 23 hr |
| Dec 26, 1:18 PM PST | Freeze Warning | PSR | 43 hr | |
| Dec 26, 2:13 PM PST | Frost Advisory | MTR | Alameda, Contra Costa, San Mateo, Santa Clara | 13 hr |
| Dec 26, 2:13 PM PST | Freeze Warning | MTR | Marin, Napa, Santa Clara, Sonoma | 13 hr |
| Dec 26, 3:32 PM PST | Snow Advisory | MFR | Siskiyou | 36 hr |
| Dec 26, 5:00 PM PST | High Surf Advisory | LOX | 42 hr | |
| Dec 27, 2:22 AM PST | Snow Advisory | REV | Lassen, Modoc, Plumas, Sierra | 20 hr |
| Dec 27, 4:23 AM PST | Snow Advisory | STO | 21 hr | |
| Dec 27, 4:34 AM PST | Marine Weather Statement | LOX | 7 hr | |
| Dec 27, 4:42 AM PST | Snow Advisory | EKA | 23 hr | |
| Dec 27, 3:32 PM PST | Coastal Flood Statement | MTR | Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 13 hr |
| Dec 28, 3:53 AM PST | Snow Advisory | REV | Lassen, Modoc, Plumas, Sierra | 30 hr |
| Dec 28, 4:30 AM PST | Heavy Snow Warning | MFR | Siskiyou | 11 hr |
| Dec 28, 4:30 AM PST | Snow Advisory | MFR | Modoc, Siskiyou | 56 hr |
| Dec 28, 4:30 AM PST | Snow Advisory | STO | 30 hr | |
| Dec 28, 3:20 PM PST | Wind Advisory | REV | Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more | 24 hr |
| Dec 28, 4:18 PM PST | Snow Advisory | EKA | 18 hr | |
| Dec 29, 2:56 AM PST | Wind Advisory | LOX | 24 hr | |
| Dec 29, 4:00 AM PST | Snow and Blowing Snow Advisory | MFR | Modoc, Siskiyou | 26 hr |
| Dec 29, 10:15 AM PST | Fire Weather Watch | LOX | Los Angeles | 3 days |
| Dec 29, 10:28 AM PST | Snow Advisory | STO | 3 hr | |
| Dec 29, 10:38 AM PST | Fire Weather Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 39 hr |
| Dec 29, 3:00 PM PST | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 7 hr |
| Dec 30, 1:31 PM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 8 hr |
| Dec 30, 1:31 PM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 48 hr |
| Dec 30, 2:29 PM PST | Wind Advisory | LOX | Los Angeles | 67 hr |
| Dec 30, 2:44 PM PST | Lake Wind Advisory | VEF | San Bernardino | 27 hr |
| Dec 30, 2:53 PM PST | Freeze Warning | EKA | 17 hr | |
| Dec 30, 3:44 PM PST | Wind Advisory | LOX | 11 hr | |
| Dec 30, 11:34 PM PST | Red Flag Warning | LOX | Los Angeles | 42 hr |
| Dec 31, 1:17 AM PST | Red Flag Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 40 hr |
| Dec 31, 3:02 AM PST | Dense Fog Advisory | SGX | San Diego | 4 hr |
| Dec 31, 1:31 PM PST | Red Flag Warning | PSR | Imperial, Riverside | 5 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 | |
| Mesoscale Discussion | 3 |
| Flooding | |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 4 |
| Winter | |
| Heavy Snow Warning | 4 |
| Winter Storm Warning | 14 |
| Winter Storm Watch | 15 |
| Snow Advisory | 30 |
| Snow and Blowing Snow Advisory | 9 |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 8 |
| Frost Advisory | 14 |
| Wind and dust | |
| High Wind Warning | 12 |
| High Wind Watch | 10 |
| Lake Wind Advisory | 10 |
| Wind Advisory | 51 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
| Coast and beach | |
| High Surf Warning | 2 |
| Coastal Flood Advisory | 2 |
| High Surf Advisory | 11 |
| Coastal Flood Statement | 3 |
| Marine | |
| Special Marine Warning | 1 |
| Marine Weather Statement | 11 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Diego County28
- Siskiyou County28
- San Bernardino County26
- Riverside County22
- Alpine County20
- El Dorado County20
- Nevada County20
- Placer County20
- Los Angeles County20
- Modoc County17
- Plumas County14
- Sierra County14
- Lassen County13
- Orange County13
- Santa Clara County12
- Marin County10
- Sonoma County10
- San Mateo County9
- Alameda County8
- Contra Costa County8
- Santa Cruz County7
- City and County of San Francisco6
- Mono County6
- Inyo County5
- Napa County4
- Santa Barbara County3
- Imperial County3
- Tuolumne County2
- Monterey County1
- San Benito County1
- Tulare County1
- Fresno County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.