Alert archive / California / 2012
Weather alerts in California, April 2012
258 weather alerts in April 2012, 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 April 2012. Tap one for its archive.
- Alerts
- 258
- Warnings
- 62
- Watches
- 20
- Advisories
- 134
- Busiest day
- April 12, 201243 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 |
|---|---|---|---|---|
| Apr 1, 2:48 AM PDT | High Surf Advisory | EKA | 9 hr | |
| Apr 1, 3:23 AM PDT | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 34 hr |
| Apr 1, 3:23 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 9 hr |
| Apr 1, 3:23 AM PDT | Wind Advisory | SGX | San Diego | 34 hr |
| Apr 1, 3:57 AM PDT | High Wind Watch | VEF | San Bernardino | 10 hr |
| Apr 1, 4:04 AM PDT | Frost Advisory | EKA | 18 hr | |
| Apr 1, 4:10 AM PDT | High Wind Warning | LOX | 17 hr | |
| Apr 1, 4:44 AM PDT | Fire Weather Watch | PSR | Imperial, Riverside | 9 hr |
| Apr 1, 10:17 AM PDT | High Wind Warning | HNX | 9 hr | |
| Apr 1, 12:58 PM PDT | Wind Advisory | PSR | 29 hr | |
| Apr 1, 1:34 PM PDT | Red Flag Warning | PSR | Imperial, Riverside | 30 hr |
| Apr 1, 2:00 PM PDT | Wind Advisory | VEF | San Bernardino | 29 hr |
| Apr 1, 2:09 PM PDT | Red Flag Warning | VEF | San Bernardino | 29 hr |
| Apr 1, 2:39 PM PDT | Small Craft Advisory for Hazardous Seas | MTR | 30 hr | |
| Apr 1, 3:06 PM PDT | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 17 hr |
| Apr 1, 6:07 PM PDT | Wind Advisory | LOX | 17 hr | |
| Apr 1, 8:07 PM PDT | Small Craft Advisory for Hazardous Seas | SGX | 19 hr | |
| Apr 1, 9:01 PM PDT | Small Craft Advisory | LOX | 6 hr | |
| Apr 2, 3:05 AM PDT | Small Craft Advisory | LOX | 54 hr | |
| Apr 2, 3:05 AM PDT | Small Craft Advisory for Hazardous Seas | LOX | 6 hr | |
| Apr 2, 2:13 PM PDT | Gale Watch | LOX | 7 hr | |
| Apr 2, 2:27 PM PDT | Small Craft Advisory | EKA | 3 days | |
| Apr 3, 3:16 AM PDT | Gale Watch | LOX | 23 hr | |
| Apr 3, 3:29 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 41 hr |
| Apr 3, 3:29 AM PDT | Wind Advisory | REV | Mono | 31 hr |
| Apr 3, 1:52 PM PDT | Wind Advisory | HNX | 49 hr | |
| Apr 3, 2:30 PM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 60 hr |
| Apr 3, 2:35 PM PDT | Gale Warning | LOX | 60 hr | |
| Apr 3, 2:51 PM PDT | Wind Advisory | LOX | Los Angeles | 69 hr |
| Apr 3, 2:51 PM PDT | Wind Advisory | LOX | 56 hr | |
| Apr 3, 10:27 PM PDT | Winter Weather Advisory | EKA | 23 hr | |
| Apr 4, 2:53 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Apr 4, 3:20 AM PDT | Frost Advisory | MTR | Marin, Monterey, Napa, Sonoma | 24 hr |
| Apr 4, 3:39 AM PDT | Frost Advisory | EKA | 29 hr | |
| Apr 4, 3:39 AM PDT | Freeze Warning | EKA | 29 hr | |
| Apr 4, 3:44 AM PDT | Red Flag Warning | VEF | San Bernardino | 40 hr |
| Apr 4, 9:02 AM PDT | Small Craft Advisory | LOX | 12 hr | |
| Apr 4, 9:15 AM PDT | Wind Advisory | LOX | 51 hr | |
| Apr 4, 9:33 AM PDT | Small Craft Advisory for Winds | SGX | 18 hr | |
| Apr 4, 5:32 PM PDT | Small Craft Advisory for Hazardous Seas | SGX | 16 hr | |
| Apr 5, 3:15 AM PDT | Freeze Watch | EKA | 13 hr | |
| Apr 5, 3:24 AM PDT | Wind Advisory | VEF | San Bernardino | 23 hr |
| Apr 5, 8:42 AM PDT | Winter Weather Advisory | MFR | Modoc | 3 hr |
| Apr 5, 8:57 AM PDT | Winter Storm Warning | REV | Modoc | 6 hr |
| Apr 5, 9:03 AM PDT | Small Craft Advisory | LOX | 10 hr | |
| Apr 5, 9:52 AM PDT | Small Craft Advisory | SGX | 19 hr | |
| Apr 5, 9:52 AM PDT | Small Craft Advisory for Winds | SGX | 12 hr | |
| Apr 5, 2:32 PM PDT | Frost Advisory | HNX | 17 hr | |
| Apr 5, 2:47 PM PDT | Frost Advisory | LOX | Santa Barbara | 17 hr |
| Apr 5, 3:49 PM PDT | Frost Advisory | EKA | 16 hr | |
| Apr 5, 3:49 PM PDT | Freeze Warning | EKA | 16 hr | |
| Apr 5, 3:49 PM PDT | Hard Freeze Warning | EKA | 16 hr | |
| Apr 5, 8:17 PM PDT | Frost Advisory | MTR | Marin, Monterey, Napa, Sonoma | 12 hr |
| Apr 5, 9:05 PM PDT | Gale Warning | LOX | 3 hr | |
| Apr 5, 11:51 PM PDT | Small Craft Advisory | LOX | 27 hr | |
| Apr 6, 1:37 PM PDT | Small Craft Advisory for Winds | SGX | 7 hr | |
| Apr 6, 2:28 PM PDT | Frost Advisory | EKA | 13 hr | |
| Apr 6, 2:33 PM PDT | Frost Advisory | LOX | Santa Barbara | 17 hr |
| Apr 6, 2:33 PM PDT | Freeze Warning | LOX | 17 hr | |
| Apr 6, 3:48 PM PDT | Frost Advisory | SGX | San Bernardino | 16 hr |
| Apr 7, 8:35 AM PDT | Small Craft Advisory | EKA | 25 hr | |
| Apr 7, 1:58 PM PDT | Frost Advisory | LOX | 18 hr | |
| Apr 7, 2:44 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 26 hr |
| Apr 8, 3:37 AM PDT | Fire Weather Watch | VEF | San Bernardino | 27 hr |
| Apr 8, 11:23 AM PDT | Red Flag Warning | HNX | 51 hr | |
| Apr 9, 6:42 AM PDT | Red Flag Warning | VEF | Inyo, San Bernardino, Tulare | 36 hr |
| Apr 9, 9:03 AM PDT | Small Craft Advisory for Rough Bar | MTR | 5 hr | |
| Apr 9, 9:03 AM PDT | Small Craft Advisory | MTR | 7 hr | |
| Apr 9, 1:53 PM PDT | Winter Storm Watch | HNX | 25 hr | |
| Apr 9, 2:29 PM PDT | Small Craft Advisory | MTR | 19 hr | |
| Apr 9, 2:42 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 29 hr |
| Apr 9, 3:02 PM PDT | Wind Advisory | VEF | Inyo | 28 hr |
| Apr 9, 6:22 PM PDT | Small Craft Advisory | MTR | 5 hr | |
| Apr 9, 7:48 PM PDT | Wind Advisory | HNX | 6 hr | |
| Apr 10, 2:20 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 23 hr |
| Apr 10, 2:20 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 39 hr |
| Apr 10, 2:21 AM PDT | Winter Weather Advisory | STO | 42 hr | |
| Apr 10, 2:33 AM PDT | Winter Weather Advisory | SGX | San Bernardino | 38 hr |
| Apr 10, 3:03 AM PDT | Wind Advisory | HNX | 7 hr | |
| Apr 10, 3:12 AM PDT | Winter Weather Advisory | LOX | 38 hr | |
| Apr 10, 9:00 AM PDT | Small Craft Advisory for Winds | SGX | 24 hr | |
| Apr 10, 2:17 PM PDT | Winter Storm Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 38 hr |
| Apr 10, 2:24 PM PDT | Winter Weather Advisory | HNX | 26 hr | |
| Apr 10, 11:00 PM PDT | Areal Flood Advisory | LOX | Santa Barbara | 5 hr |
| Apr 11, 1:55 AM PDT | Wind Advisory | PSR | 4 hr | |
| Apr 11, 2:26 AM PDT | Small Craft Advisory | MTR | 49 hr | |
| Apr 11, 2:43 AM PDT | Small Craft Advisory | EKA | 4 days | |
| Apr 11, 2:50 AM PDT | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Apr 11, 3:16 AM PDT | Winter Storm Watch | MFR | Siskiyou | 12 hr |
| Apr 11, 3:42 AM PDT | Wind Advisory | VEF | San Bernardino | 17 hr |
| Apr 11, 3:58 AM PDT | Winter Storm Watch | STO | 16 hr | |
| Apr 11, 8:46 AM PDT | Small Craft Advisory | LOX | 5 hr | |
| Apr 11, 11:39 AM PDT | Special Weather Statement | HNX | Kings | 66 min |
| Apr 11, 12:45 PM PDT | Special Weather Statement | HNX | Fresno | 45 min |
| Apr 11, 1:02 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings, Tulare | 43 min |
| Apr 11, 1:09 PM PDT | Special Weather Statement | STO | San Joaquin | 21 min |
| Apr 11, 1:44 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings, Tulare | 31 min |
| Apr 11, 1:46 PM PDT | Special Weather Statement | STO | Shasta | 44 min |
| Apr 11, 2:07 PM PDT | Special Weather Statement | STO | San Joaquin | 53 min |
| Apr 11, 2:13 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings, Tulare | 47 min |
| Apr 11, 2:24 PM PDT | Special Weather Statement | HNX | Kings | 51 min |
| Apr 11, 2:30 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 32 hr |
| Apr 11, 2:43 PM PDT | Tornado Warning | HNX | Tulare | 32 min |
| Apr 11, 2:49 PM PDT | Special Weather Statement | HNX | Kern | 56 min |
| Apr 11, 3:04 PM PDT | Special Weather Statement | HNX | Tulare | 86 min |
| Apr 11, 3:26 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Tulare | 34 min |
| Apr 11, 3:30 PM PDT | Special Weather Statement | HNX | Tulare | 45 min |
| Apr 11, 3:33 PM PDT | Winter Storm Warning | MFR | Siskiyou | 18 hr |
| Apr 11, 3:33 PM PDT | Winter Weather Advisory | MFR | Siskiyou | 18 hr |
| Apr 11, 3:43 PM PDT | Wind Advisory | MFR | Modoc | 18 hr |
| Apr 11, 6:47 PM PDT | Winter Storm Watch | HNX | 11 hr | |
| Apr 11, 6:55 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings | 35 min |
| Apr 11, 8:08 PM PDT | Winter Storm Warning | STO | 46 hr | |
| Apr 12, 2:40 AM PDT | Winter Storm Watch | SGX | Riverside, San Bernardino | 7 hr |
| Apr 12, 2:55 AM PDT | High Wind Watch | SGX | Riverside, San Bernardino, San Diego | 11 hr |
| Apr 12, 2:57 AM PDT | Winter Storm Watch | HNX | 7 hr | |
| Apr 12, 2:57 AM PDT | Winter Storm Warning | HNX | 60 hr | |
| Apr 12, 3:25 AM PDT | Winter Weather Advisory | EKA | 31 hr | |
| Apr 12, 3:29 AM PDT | Wind Advisory | LOX | 72 hr | |
| Apr 12, 3:52 AM PDT | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 35 hr |
| Apr 12, 4:16 AM PDT | Areal Flood Advisory | MTR | Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 1 more | 89 min |
| Apr 12, 4:30 AM PDT | High Wind Watch | VEF | San Bernardino | 11 hr |
| Apr 12, 4:32 AM PDT | Winter Storm Watch | VEF | Inyo | 11 hr |
| Apr 12, 4:43 AM PDT | Winter Storm Warning | LOX | 46 hr | |
| Apr 12, 4:43 AM PDT | Winter Weather Advisory | LOX | 46 hr | |
| Apr 12, 9:17 AM PDT | Winter Storm Warning | MFR | Siskiyou | 23 hr |
| Apr 12, 9:17 AM PDT | Winter Weather Advisory | MFR | Siskiyou | 23 hr |
| Apr 12, 9:25 AM PDT | Winter Storm Watch | SGX | San Diego | 4 hr |
| Apr 12, 9:25 AM PDT | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 52 hr |
| Apr 12, 11:11 AM PDT | Mesoscale Discussion | SPC | Amador, Calaveras, Colusa, Glenn, Humboldt, Sacramento and 7 more | 64 min |
| Apr 12, 11:40 AM PDT | Special Marine Warning | EKA | 65 min | |
| Apr 12, 12:01 PM PDT | Small Craft Advisory | SGX | 57 hr | |
| Apr 12, 12:18 PM PDT | Special Marine Warning | EKA | 27 min | |
| Apr 12, 12:43 PM PDT | Areal Flood Advisory | LOX | San Luis Obispo | 88 min |
| Apr 12, 12:50 PM PDT | Special Marine Warning | EKA | 55 min | |
| Apr 12, 1:29 PM PDT | Special Marine Warning | EKA | 61 min | |
| Apr 12, 1:36 PM PDT | High Wind Warning | SGX | Riverside, San Bernardino, San Diego | 33 hr |
| Apr 12, 2:02 PM PDT | Special Weather Statement | EKA | 43 min | |
| Apr 12, 2:09 PM PDT | Wind Advisory | HNX | 39 hr | |
| Apr 12, 2:24 PM PDT | Wind Advisory | PSR | 37 hr | |
| Apr 12, 2:32 PM PDT | Gale Watch | LOX | 12 hr | |
| Apr 12, 2:56 PM PDT | Small Craft Advisory | MTR | 60 hr | |
| Apr 12, 2:59 PM PDT | Wind Advisory | VEF | San Bernardino | 24 hr |
| Apr 12, 3:04 PM PDT | Special Marine Warning | EKA | 41 min | |
| Apr 12, 3:08 PM PDT | Mesoscale Discussion | SPC | Colusa, Glenn, Merced, Sacramento, San Joaquin, Stanislaus and 3 more | 97 min |
| Apr 12, 3:10 PM PDT | Winter Storm Warning | VEF | Inyo | 42 hr |
| Apr 12, 3:12 PM PDT | Wind Advisory | LOX | Los Angeles | 23 hr |
| Apr 12, 3:25 PM PDT | Special Marine Warning | EKA | 65 min | |
| Apr 12, 3:33 PM PDT | Special Weather Statement | EKA | Mendocino | 42 min |
| Apr 12, 3:59 PM PDT | Special Weather Statement | EKA | Humboldt | 46 min |
| Apr 12, 4:15 PM PDT | Special Marine Warning | EKA | 60 min | |
| Apr 12, 4:37 PM PDT | Special Marine Warning | EKA | 53 min | |
| Apr 12, 4:59 PM PDT | Special Weather Statement | HNX | Merced | 46 min |
| Apr 12, 5:18 PM PDT | Severe Thunderstorm Warning | HNX | Merced | 42 min |
| Apr 12, 5:18 PM PDT | Special Weather Statement | STO | San Joaquin | 42 min |
| Apr 12, 5:31 PM PDT | Severe Thunderstorm Warning | STO | Amador, Calaveras, Sacramento, San Joaquin | 43 min |
| Apr 12, 5:42 PM PDT | Special Weather Statement | STO | Sacramento | 48 min |
| Apr 12, 5:53 PM PDT | Severe Thunderstorm Warning | STO | Calaveras, San Joaquin, Stanislaus | 34 min |
| Apr 12, 5:58 PM PDT | Severe Thunderstorm Warning | HNX | Mariposa, Merced | 47 min |
| Apr 12, 6:43 PM PDT | Severe Thunderstorm Warning | HNX | Mariposa, Merced | 47 min |
| Apr 12, 7:37 PM PDT | Special Marine Warning | MTR | 23 min | |
| Apr 12, 8:11 PM PDT | Special Marine Warning | MTR | 19 min | |
| Apr 12, 8:14 PM PDT | Severe Thunderstorm Warning | MTR | San Mateo | 31 min |
| Apr 12, 11:04 PM PDT | Special Weather Statement | HNX | Tulare | 41 min |
| Apr 12, 11:04 PM PDT | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 43 hr |
| Apr 13, 12:53 AM PDT | Special Weather Statement | LOX | San Luis Obispo, Santa Barbara | 52 min |
| Apr 13, 1:58 AM PDT | Gale Warning | LOX | 43 hr | |
| Apr 13, 1:58 AM PDT | Small Craft Advisory | LOX | 31 hr | |
| Apr 13, 3:07 AM PDT | Small Craft Advisory for Rough Bar | MTR | 42 hr | |
| Apr 13, 4:16 AM PDT | Severe Thunderstorm Warning | LOX | San Luis Obispo | 59 min |
| Apr 13, 5:07 AM PDT | Special Weather Statement | LOX | Santa Barbara | 53 min |
| Apr 13, 5:41 AM PDT | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Apr 13, 9:11 AM PDT | Areal Flood Advisory | STO | Amador, Butte, Calaveras, El Dorado, Nevada, Placer and 7 more | 4 hr |
| Apr 13, 9:25 AM PDT | High Surf Advisory | LOX | 44 hr | |
| Apr 13, 10:20 AM PDT | Areal Flood Advisory | LOX | Ventura | 96 min |
| Apr 13, 10:53 AM PDT | Mesoscale Discussion | SPC | Alameda, Contra Costa, Merced, Napa, Sacramento, San Joaquin and 4 more | 2 hr |
| Apr 13, 11:04 AM PDT | Areal Flood Advisory | LOX | Los Angeles, Ventura | 4 hr |
| Apr 13, 1:09 PM PDT | Special Marine Warning | SGX | 51 min | |
| Apr 13, 1:19 PM PDT | Areal Flood Advisory | HNX | Kern | 6 hr |
| Apr 13, 1:20 PM PDT | Special Weather Statement | SGX | Orange | 55 min |
| Apr 13, 1:50 PM PDT | Severe Thunderstorm Warning | SGX | Orange | 25 min |
| Apr 13, 2:01 PM PDT | Special Weather Statement | HNX | Kings | 59 min |
| Apr 13, 2:01 PM PDT | Special Marine Warning | SGX | 17 min | |
| Apr 13, 2:08 PM PDT | Special Weather Statement | STO | San Joaquin | 42 min |
| Apr 13, 2:10 PM PDT | Special Weather Statement | HNX | Fresno, Kings | 65 min |
| Apr 13, 2:13 PM PDT | Special Weather Statement | SGX | Orange | 62 min |
| Apr 13, 2:14 PM PDT | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 106 min |
| Apr 13, 2:26 PM PDT | Special Weather Statement | STO | San Joaquin | 49 min |
| Apr 13, 2:34 PM PDT | Special Weather Statement | SGX | Orange | 56 min |
| Apr 13, 2:45 PM PDT | Special Marine Warning | SGX | 90 min | |
| Apr 13, 3:07 PM PDT | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 113 min |
| Apr 13, 3:09 PM PDT | Areal Flood Advisory | HNX | Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more | 4 hr |
| Apr 13, 3:15 PM PDT | Special Weather Statement | HNX | Fresno | 45 min |
| Apr 13, 3:19 PM PDT | Special Weather Statement | STO | Sacramento | 41 min |
| Apr 13, 3:25 PM PDT | Special Weather Statement | SGX | Orange | 5 min |
| Apr 13, 3:33 PM PDT | Special Weather Statement | SGX | San Diego | 57 min |
| Apr 13, 8:05 PM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 22 hr |
| Apr 13, 10:38 PM PDT | Winter Weather Advisory | MFR | Siskiyou | 5 hr |
| Apr 14, 2:21 AM PDT | Wind Advisory | VEF | San Bernardino | 11 hr |
| Apr 14, 3:23 AM PDT | Winter Storm Warning | LOX | 12 hr | |
| Apr 14, 7:50 AM PDT | Special Weather Statement | HNX | 3 hr | |
| Apr 14, 11:20 AM PDT | Wind Advisory | HNX | 10 hr | |
| Apr 14, 2:54 PM PDT | Frost Advisory | EKA | 10 hr | |
| Apr 14, 8:50 PM PDT | Small Craft Advisory | LOX | 4 days | |
| Apr 15, 2:36 AM PDT | Small Craft Advisory | MTR | 26 hr | |
| Apr 15, 2:39 AM PDT | Small Craft Advisory | EKA | 30 hr | |
| Apr 15, 9:15 PM PDT | Small Craft Advisory | MTR | 3 days | |
| Apr 16, 2:07 PM PDT | Small Craft Advisory for Hazardous Seas | EKA | 25 hr | |
| Apr 16, 2:38 PM PDT | Small Craft Advisory | MTR | 59 hr | |
| Apr 17, 7:46 PM PDT | Wind Advisory | LOX | 7 hr | |
| Apr 17, 9:33 PM PDT | Gale Warning | LOX | 29 hr | |
| Apr 18, 12:54 PM PDT | Wind Advisory | LOX | 20 hr | |
| Apr 19, 2:12 AM PDT | Special Weather Statement | HNX | 6 hr | |
| Apr 19, 2:59 AM PDT | Small Craft Advisory | LOX | 47 hr | |
| Apr 19, 3:13 AM PDT | Small Craft Advisory | MTR | 47 hr | |
| Apr 20, 9:05 PM PDT | Dense Fog Advisory | SGX | Riverside, San Bernardino, San Diego | 12 hr |
| Apr 21, 2:32 AM PDT | Small Craft Advisory | MTR | 48 hr | |
| Apr 21, 8:00 PM PDT | Dense Fog Advisory | SGX | Riverside, San Bernardino, San Diego | 13 hr |
| Apr 23, 2:54 AM PDT | Small Craft Advisory | MTR | 16 hr | |
| Apr 23, 4:32 AM PDT | Wind Advisory | LOX | 15 hr | |
| Apr 23, 12:59 PM PDT | Special Weather Statement | REV | Plumas | 31 min |
| Apr 23, 1:39 PM PDT | Mesoscale Discussion | SPC | Lassen, Modoc, Plumas, Sierra | 96 min |
| Apr 23, 2:12 PM PDT | Special Weather Statement | REV | Sierra | 2 hr |
| Apr 23, 2:20 PM PDT | Severe Thunderstorm Warning | MFR | Modoc | 40 min |
| Apr 23, 3:11 PM PDT | Severe Thunderstorm Warning | MFR | Modoc | 25 min |
| Apr 23, 4:04 PM PDT | Special Weather Statement | REV | Lassen | 26 min |
| Apr 23, 4:36 PM PDT | Special Weather Statement | REV | Lassen | 24 min |
| Apr 24, 1:00 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 32 hr |
| Apr 25, 2:34 PM PDT | Gale Watch | LOX | 24 hr | |
| Apr 25, 2:39 PM PDT | Small Craft Advisory | EKA | 3 days | |
| Apr 25, 2:45 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 30 hr |
| Apr 25, 2:45 PM PDT | Wind Advisory | REV | Modoc, Mono | 30 hr |
| Apr 25, 2:56 PM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 37 hr |
| Apr 25, 4:46 PM PDT | Special Marine Warning | LOX | 14 min | |
| Apr 25, 9:18 PM PDT | Special Weather Statement | HNX | Kern | 42 min |
| Apr 25, 9:46 PM PDT | Severe Thunderstorm Warning | HNX | Kern, Tulare | 29 min |
| Apr 25, 10:31 PM PDT | Severe Thunderstorm Warning | HNX | Tulare | 29 min |
| Apr 25, 11:46 PM PDT | Special Weather Statement | HNX | Fresno | 44 min |
| Apr 26, 2:15 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 21 hr |
| Apr 26, 2:24 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Apr 26, 2:24 AM PDT | Small Craft Advisory | MTR | 7 days | |
| Apr 26, 3:15 AM PDT | Wind Advisory | LOX | 17 hr | |
| Apr 26, 4:26 AM PDT | Wind Advisory | HNX | 17 hr | |
| Apr 26, 10:16 AM PDT | Special Weather Statement | STO | Shasta | 44 min |
| Apr 26, 2:29 PM PDT | Gale Warning | LOX | 61 hr | |
| Apr 26, 4:39 PM PDT | High Wind Warning | VEF | Inyo | 4 hr |
| Apr 26, 8:57 PM PDT | Small Craft Advisory | LOX | 15 hr | |
| Apr 27, 2:47 AM PDT | Small Craft Advisory | LOX | 24 hr | |
| Apr 27, 3:06 AM PDT | Wind Advisory | LOX | 24 hr | |
| Apr 27, 3:01 PM PDT | Gale Watch | EKA | 12 hr | |
| Apr 27, 3:01 PM PDT | Small Craft Advisory | EKA | 5 days | |
| Apr 27, 10:55 PM PDT | Small Craft Advisory for Rough Bar | MTR | 3 hr | |
| Apr 28, 2:19 AM PDT | Gale Warning | MTR | 31 hr | |
| Apr 28, 2:35 AM PDT | Gale Warning | EKA | 42 hr | |
| Apr 29, 3:24 AM PDT | Small Craft Advisory | LOX | 6 hr | |
| Apr 29, 3:27 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 29 hr |
| Apr 30, 3:14 AM PDT | Small Craft Advisory | MTR | 21 hr | |
| Apr 30, 3:28 AM PDT | Small Craft Advisory | LOX | 72 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 County30
- Riverside County17
- San Diego County17
- Tulare County12
- San Joaquin County11
- El Dorado County10
- Nevada County10
- Placer County10
- Fresno County10
- Orange County9
- Alpine County9
- Kings County9
- Inyo County7
- Modoc County7
- Sacramento County7
- Merced County7
- Santa Barbara County6
- Siskiyou County6
- Kern County5
- Stanislaus County5
- Marin County4
- Mono County4
- Lassen County4
- Calaveras County4
- San Luis Obispo County4
- Monterey County3
- San Mateo County3
- Sonoma County3
- Los Angeles County3
- Napa County3
- Ventura County3
- Plumas County3
- Sierra County3
- Amador County3
- Sutter County3
- Tehama County3
- Yolo County3
- Mariposa County3
- Imperial County2
- City and County of San Francisco2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.