Alert archive / California / 2019
Weather alerts in California, September 2019
299 weather alerts in September 2019, 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 September 2019. Tap one for its archive.
- Alerts
- 299
- Warnings
- 87
- Watches
- 33
- Advisories
- 120
- Busiest day
- September 5, 201930 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 |
|---|---|---|---|---|
| Sep 1, 9:34 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 41 min |
| Sep 1, 10:12 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 48 min |
| Sep 1, 10:29 PM PDT | Dust Storm Warning | VEF | San Bernardino | 61 min |
| Sep 1, 11:05 PM PDT | Dust Storm Advisory | PSR | Imperial, Riverside | 25 min |
| Sep 1, 11:10 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 1, 11:50 PM PDT | Dust Storm Advisory | PSR | Imperial, Riverside | 85 min |
| Sep 2, 12:22 AM PDT | Special Weather Statement | PSR | Riverside | 38 min |
| Sep 2, 1:28 AM PDT | Dust Storm Warning | VEF | Inyo, San Bernardino | 62 min |
| Sep 2, 1:35 AM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino, San Diego | 3 hr |
| Sep 2, 2:22 AM PDT | Flash Flood Watch | SGX | Riverside, San Bernardino, San Diego | 18 hr |
| Sep 2, 3:09 AM PDT | Flash Flood Watch | LOX | 19 hr | |
| Sep 2, 3:38 AM PDT | Flash Flood Warning | PSR | Riverside | 6 hr |
| Sep 2, 1:38 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 3 hr |
| Sep 2, 2:07 PM PDT | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Sep 2, 2:25 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 65 min |
| Sep 2, 2:30 PM PDT | Small Craft Advisory | MTR | 55 hr | |
| Sep 2, 2:37 PM PDT | Special Weather Statement | LOX | Ventura | 83 min |
| Sep 2, 2:38 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Sep 2, 2:44 PM PDT | Flash Flood Warning | LOX | Ventura | 89 min |
| Sep 2, 2:49 PM PDT | Special Weather Statement | SGX | San Diego | 41 min |
| Sep 2, 2:57 PM PDT | Beach Hazards Statement | EKA | Del Norte, Humboldt | 42 hr |
| Sep 2, 3:26 PM PDT | Flash Flood Warning | SGX | San Diego | 59 min |
| Sep 2, 3:36 PM PDT | Special Weather Statement | HNX | Kern | 24 min |
| Sep 2, 3:56 PM PDT | Special Weather Statement | SGX | San Diego | 49 min |
| Sep 2, 4:59 PM PDT | Special Weather Statement | HNX | 46 min | |
| Sep 2, 7:02 PM PDT | Special Weather Statement | HNX | 43 min | |
| Sep 2, 7:45 PM PDT | Areal Flood Advisory | LOX | Los Angeles | 2 hr |
| Sep 3, 2:59 AM PDT | Flash Flood Watch | LOX | 16 hr | |
| Sep 3, 3:08 AM PDT | Excessive Heat Warning | PSR | Imperial, Riverside | 41 hr |
| Sep 3, 3:24 AM PDT | Small Craft Advisory | EKA | 48 hr | |
| Sep 3, 3:28 AM PDT | Excessive Heat Warning | VEF | San Bernardino | 41 hr |
| Sep 3, 9:19 AM PDT | Small Craft Advisory | LOX | 18 hr | |
| Sep 3, 12:46 PM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 26 hr |
| Sep 3, 12:59 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 3 hr |
| Sep 3, 1:10 PM PDT | Heat Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 55 hr |
| Sep 3, 1:56 PM PDT | Special Weather Statement | HNX | 49 min | |
| Sep 3, 2:33 PM PDT | Special Weather Statement | LOX | 42 min | |
| Sep 3, 2:40 PM PDT | Special Weather Statement | HNX | Tulare | 50 min |
| Sep 3, 2:47 PM PDT | Special Weather Statement | HNX | 28 min | |
| Sep 3, 2:57 PM PDT | Special Weather Statement | SGX | San Diego | 48 min |
| Sep 3, 3:11 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 49 min |
| Sep 3, 3:32 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Sep 3, 3:58 PM PDT | Areal Flood Advisory | SGX | Riverside, San Diego | 3 hr |
| Sep 3, 4:26 PM PDT | Special Weather Statement | HNX | Tuolumne | 49 min |
| Sep 3, 4:31 PM PDT | Special Weather Statement | HNX | 44 min | |
| Sep 3, 5:47 PM PDT | Special Weather Statement | HNX | Mariposa | 28 min |
| Sep 3, 5:51 PM PDT | Special Weather Statement | HNX | Mono | 24 min |
| Sep 4, 2:36 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Sep 4, 3:24 AM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 44 hr |
| Sep 4, 9:31 AM PDT | Fire Weather Watch | EKA | 8 hr | |
| Sep 4, 9:51 AM PDT | Fire Weather Watch | STO | 5 hr | |
| Sep 4, 12:51 PM PDT | Special Weather Statement | REV | Alpine, Mono | 3 hr |
| Sep 4, 1:31 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 59 min |
| Sep 4, 1:38 PM PDT | Heat Advisory | LOX | Los Angeles | 30 hr |
| Sep 4, 1:48 PM PDT | Flash Flood Warning | SGX | San Diego | 94 min |
| Sep 4, 2:29 PM PDT | Small Craft Advisory | MTR | 31 hr | |
| Sep 4, 2:33 PM PDT | Special Weather Statement | SGX | San Diego | 57 min |
| Sep 4, 2:44 PM PDT | Beach Hazards Statement | SGX | San Diego | 2 hr |
| Sep 4, 2:51 PM PDT | Red Flag Warning | STO | 13 hr | |
| Sep 4, 2:52 PM PDT | Areal Flood Advisory | PSR | Riverside | 3 hr |
| Sep 4, 3:03 PM PDT | Special Weather Statement | PSR | Riverside | 42 min |
| Sep 4, 3:10 PM PDT | Severe Thunderstorm Warning | REV | Lassen, Plumas | 35 min |
| Sep 4, 3:11 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 4, 3:12 PM PDT | Special Weather Statement | SGX | San Diego | 63 min |
| Sep 4, 3:18 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 65 min |
| Sep 4, 3:19 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 56 min |
| Sep 4, 3:57 PM PDT | Special Weather Statement | PSR | Riverside | 48 min |
| Sep 4, 4:15 PM PDT | Severe Thunderstorm Warning | REV | Plumas, Sierra | 30 min |
| Sep 4, 4:42 PM PDT | Areal Flood Advisory | PSR | Imperial, Riverside | 3 hr |
| Sep 4, 5:20 PM PDT | Small Craft Advisory | LOX | 69 hr | |
| Sep 4, 6:16 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 44 min |
| Sep 4, 6:37 PM PDT | Areal Flood Advisory | PSR | Imperial, Riverside | 3 hr |
| Sep 4, 6:43 PM PDT | Dust Storm Warning | PSR | Imperial | 62 min |
| Sep 4, 7:46 PM PDT | Dust Storm Advisory | PSR | Imperial | 89 min |
| Sep 4, 8:01 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 44 min |
| Sep 4, 8:06 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 4, 8:45 PM PDT | Special Weather Statement | PSR | Imperial | 45 min |
| Sep 4, 9:36 PM PDT | Dust Storm Warning | VEF | San Bernardino | 54 min |
| Sep 4, 10:24 PM PDT | Special Weather Statement | PSR | Riverside | 51 min |
| Sep 5, 2:28 AM PDT | Small Craft Advisory | LOX | 19 hr | |
| Sep 5, 3:14 AM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Sep 5, 4:23 AM PDT | Flash Flood Watch | SGX | Riverside, San Bernardino, San Diego | 15 hr |
| Sep 5, 12:17 PM PDT | Special Weather Statement | SGX | Orange | 43 min |
| Sep 5, 12:32 PM PDT | Special Weather Statement | SGX | Orange | 28 min |
| Sep 5, 1:05 PM PDT | Special Weather Statement | REV | Lassen | 55 min |
| Sep 5, 1:28 PM PDT | Mesoscale Discussion | SPC | Modoc | 3 hr |
| Sep 5, 1:45 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 60 min |
| Sep 5, 1:47 PM PDT | Special Weather Statement | SGX | 58 min | |
| Sep 5, 2:04 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 56 min |
| Sep 5, 2:38 PM PDT | Flash Flood Warning | VEF | San Bernardino | 112 min |
| Sep 5, 2:41 PM PDT | Flash Flood Warning | SGX | San Bernardino | 3 hr |
| Sep 5, 2:44 PM PDT | Special Weather Statement | HNX | Kern | 61 min |
| Sep 5, 2:54 PM PDT | Special Weather Statement | HNX | Tulare | 66 min |
| Sep 5, 3:01 PM PDT | Special Weather Statement | SGX | 59 min | |
| Sep 5, 3:03 PM PDT | Special Weather Statement | SGX | San Diego | 27 min |
| Sep 5, 3:26 PM PDT | Special Weather Statement | SGX | San Diego | 19 min |
| Sep 5, 3:52 PM PDT | Special Weather Statement | HNX | 38 min | |
| Sep 5, 4:09 PM PDT | Special Weather Statement | SGX | 96 min | |
| Sep 5, 4:21 PM PDT | Special Weather Statement | LOX | Los Angeles | 84 min |
| Sep 5, 5:00 PM PDT | Special Weather Statement | HNX | 45 min | |
| Sep 6, 12:22 AM PDT | Small Craft Advisory | MTR | 27 hr | |
| Sep 6, 2:05 AM PDT | Gale Watch | LOX | 20 hr | |
| Sep 6, 2:22 AM PDT | Wind Advisory | LOX | 43 hr | |
| Sep 6, 10:19 AM PDT | Fire Weather Watch | LOX | 23 hr | |
| Sep 6, 2:38 PM PDT | Small Craft Advisory | MTR | 72 hr | |
| Sep 6, 4:51 PM PDT | Wind Advisory | HNX | 59 hr | |
| Sep 6, 6:30 PM PDT | Small Craft Advisory for Winds | SGX | 32 hr | |
| Sep 6, 9:37 PM PDT | Gale Watch | LOX | 4 hr | |
| Sep 6, 9:37 PM PDT | Gale Warning | LOX | 3 days | |
| Sep 7, 2:02 AM PDT | Small Craft Advisory | LOX | 25 hr | |
| Sep 7, 9:38 AM PDT | Red Flag Warning | LOX | 23 hr | |
| Sep 7, 1:16 PM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 19 hr |
| Sep 7, 2:02 PM PDT | Small Craft Advisory | MTR | 49 hr | |
| Sep 7, 2:34 PM PDT | Wind Advisory | PSR | Imperial | 16 hr |
| Sep 7, 6:00 PM PDT | High Wind Warning | LOX | 9 hr | |
| Sep 8, 12:19 AM PDT | Dense Smoke Advisory | REV | Lassen, Plumas, Sierra | 35 hr |
| Sep 8, 2:35 AM PDT | Small Craft Advisory | LOX | 24 hr | |
| Sep 8, 2:43 AM PDT | Wind Advisory | LOX | 48 hr | |
| Sep 8, 2:45 AM PDT | Red Flag Warning | VEF | Inyo, Tulare | 42 hr |
| Sep 8, 4:12 AM PDT | Small Craft Advisory | MTR | 41 hr | |
| Sep 8, 9:36 AM PDT | Small Craft Advisory for Hazardous Seas | SGX | 16 hr | |
| Sep 8, 2:17 PM PDT | Lake Wind Advisory | VEF | San Bernardino | 57 hr |
| Sep 9, 3:02 AM PDT | Small Craft Advisory | LOX | 24 hr | |
| Sep 9, 8:13 AM PDT | Red Flag Warning | REV | 13 hr | |
| Sep 9, 1:51 PM PDT | Wind Advisory | HNX | 39 hr | |
| Sep 9, 2:36 PM PDT | Small Craft Advisory | MTR | 6 days | |
| Sep 10, 3:03 AM PDT | Small Craft Advisory | LOX | 48 hr | |
| Sep 10, 6:26 PM PDT | Areal Flood Advisory | REV | Lassen | 49 min |
| Sep 10, 8:45 PM PDT | Small Craft Advisory | MTR | 31 hr | |
| Sep 11, 2:10 AM PDT | Small Craft Advisory | EKA | 4 days | |
| Sep 11, 8:59 AM PDT | Small Craft Advisory | LOX | 18 hr | |
| Sep 11, 1:41 PM PDT | Fire Weather Watch | REV | El Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more | 62 hr |
| Sep 12, 8:47 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 10 hr |
| Sep 12, 8:47 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 34 hr |
| Sep 12, 1:28 PM PDT | Fire Weather Watch | MFR | Modoc | 23 hr |
| Sep 12, 3:04 PM PDT | Fire Weather Watch | VEF | Inyo, Tulare | 47 hr |
| Sep 12, 6:42 PM PDT | Heat Advisory | LOX | Los Angeles, Santa Barbara | 48 hr |
| Sep 13, 2:50 AM PDT | Small Craft Advisory | MTR | 3 days | |
| Sep 13, 12:08 PM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 56 hr |
| Sep 14, 3:19 AM PDT | Red Flag Warning | REV | El Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more | 63 hr |
| Sep 14, 5:15 AM PDT | Red Flag Warning | MFR | Modoc | 15 hr |
| Sep 14, 1:58 PM PDT | Red Flag Warning | VEF | Inyo, Tulare | 55 hr |
| Sep 14, 2:08 PM PDT | High Wind Watch | VEF | Inyo | 24 hr |
| Sep 14, 2:19 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 54 hr |
| Sep 14, 8:13 PM PDT | Small Craft Advisory | LOX | 5 days | |
| Sep 15, 2:54 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Sep 15, 3:21 AM PDT | Wind Advisory | MFR | Modoc, Siskiyou | 17 hr |
| Sep 15, 12:20 PM PDT | Wind Advisory | HNX | 35 hr | |
| Sep 15, 1:46 PM PDT | Wind Advisory | VEF | Inyo | 31 hr |
| Sep 16, 2:45 AM PDT | Small Craft Advisory | MTR | 24 hr | |
| Sep 16, 2:45 AM PDT | Small Craft Advisory | MTR | 54 hr | |
| Sep 16, 3:48 AM PDT | Wind Advisory | REV | Mono | 16 hr |
| Sep 16, 10:49 AM PDT | High Wind Warning | HNX | 10 hr | |
| Sep 16, 1:09 PM PDT | Special Marine Warning | EKA | 21 min | |
| Sep 16, 1:42 PM PDT | Special Weather Statement | STO | Yuba | 33 min |
| Sep 16, 2:14 PM PDT | Special Weather Statement | STO | Yuba | 46 min |
| Sep 16, 2:16 PM PDT | Special Marine Warning | EKA | 29 min | |
| Sep 16, 2:35 PM PDT | Small Craft Advisory | EKA | 30 hr | |
| Sep 16, 3:04 PM PDT | Special Weather Statement | STO | Yuba | 41 min |
| Sep 16, 3:46 PM PDT | Special Weather Statement | STO | Yuba | 44 min |
| Sep 16, 4:32 PM PDT | Special Weather Statement | STO | Yuba | 43 min |
| Sep 16, 5:18 PM PDT | Special Weather Statement | STO | Placer | 42 min |
| Sep 16, 7:12 PM PDT | Wind Advisory | LOX | 8 hr | |
| Sep 17, 2:42 AM PDT | Small Craft Advisory | LOX | 17 hr | |
| Sep 17, 2:35 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 29 hr |
| Sep 18, 2:57 AM PDT | Red Flag Warning | VEF | Inyo, Tulare | 26 hr |
| Sep 18, 2:59 AM PDT | Small Craft Advisory | MTR | 5 days | |
| Sep 18, 3:11 AM PDT | Small Craft Advisory | EKA | 4 days | |
| Sep 18, 3:20 PM PDT | Special Weather Statement | STO | Tehama | 40 min |
| Sep 18, 5:22 PM PDT | Special Weather Statement | EKA | Humboldt | 38 min |
| Sep 18, 7:30 PM PDT | Areal Flood Advisory | STO | Butte, Plumas, Sierra, Yuba | 3 hr |
| Sep 19, 2:15 AM PDT | Small Craft Advisory | LOX | 25 hr | |
| Sep 19, 3:00 AM PDT | Small Craft Advisory | MTR | 48 hr | |
| Sep 20, 2:42 PM PDT | Fire Weather Watch | STO | 46 hr | |
| Sep 20, 5:22 PM PDT | Small Craft Advisory | LOX | 8 hr | |
| Sep 21, 2:15 AM PDT | Gale Watch | EKA | 36 hr | |
| Sep 21, 2:59 AM PDT | Small Craft Advisory | MTR | 6 days | |
| Sep 21, 1:12 PM PDT | Fire Weather Watch | MTR | 24 hr | |
| Sep 21, 2:00 PM PDT | Small Craft Advisory | MTR | 43 hr | |
| Sep 21, 2:11 PM PDT | Small Craft Advisory | LOX | 6 hr | |
| Sep 22, 2:08 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 20 hr |
| Sep 22, 2:14 AM PDT | Gale Warning | EKA | 5 days | |
| Sep 22, 2:14 AM PDT | Small Craft Advisory | EKA | 4 days | |
| Sep 22, 2:34 AM PDT | Small Craft Advisory | MTR | 42 hr | |
| Sep 22, 3:04 AM PDT | Small Craft Advisory | LOX | 41 hr | |
| Sep 22, 12:55 PM PDT | Red Flag Warning | STO | 3 days | |
| Sep 22, 1:28 PM PDT | Red Flag Warning | MTR | 70 hr | |
| Sep 22, 1:36 PM PDT | Red Flag Warning | EKA | 69 hr | |
| Sep 22, 2:11 PM PDT | Gale Warning | MTR | 37 hr | |
| Sep 23, 2:01 AM PDT | Hazardous Seas Watch | EKA | 26 hr | |
| Sep 23, 12:13 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 47 min |
| Sep 23, 1:32 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 53 hr |
| Sep 23, 1:32 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 29 hr |
| Sep 23, 2:06 PM PDT | Heat Advisory | LOX | Los Angeles | 30 hr |
| Sep 23, 5:18 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 42 min |
| Sep 23, 6:36 PM PDT | Dust Storm Warning | PSR | Imperial | 32 min |
| Sep 23, 8:46 PM PDT | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Sep 23, 9:01 PM PDT | Areal Flood Advisory | PSR | Imperial | 119 min |
| Sep 23, 9:41 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 23, 11:17 PM PDT | Areal Flood Advisory | PSR | Riverside | 3 hr |
| Sep 23, 11:26 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 23, 11:35 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 23, 11:58 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 24, 12:30 AM PDT | Areal Flood Advisory | PSR | Riverside | 3 hr |
| Sep 24, 3:43 AM PDT | Hazardous Seas Warning | EKA | 55 hr | |
| Sep 24, 3:53 AM PDT | Heat Advisory | EKA | Mendocino | 40 hr |
| Sep 24, 9:21 AM PDT | Small Craft Advisory | LOX | 11 hr | |
| Sep 24, 2:25 PM PDT | Flash Flood Watch | PSR | Imperial, Riverside, San Bernardino | 51 hr |
| Sep 24, 2:25 PM PDT | Flash Flood Watch | VEF | San Bernardino | 51 hr |
| Sep 24, 3:00 PM PDT | Small Craft Advisory | MTR | 13 hr | |
| Sep 25, 2:10 AM PDT | Small Craft Advisory | LOX | 36 hr | |
| Sep 25, 4:11 AM PDT | Small Craft Advisory | MTR | 65 hr | |
| Sep 25, 1:08 PM PDT | Dust Storm Advisory | PSR | Imperial | 97 min |
| Sep 25, 1:39 PM PDT | Special Weather Statement | PSR | Imperial | 51 min |
| Sep 25, 2:13 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 62 min |
| Sep 25, 3:15 PM PDT | Special Weather Statement | PSR | Imperial | 60 min |
| Sep 25, 3:36 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 25, 3:48 PM PDT | Mesoscale Discussion | SPC | Imperial | 87 min |
| Sep 25, 4:00 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 25, 5:04 PM PDT | Flash Flood Warning | PSR | Imperial | 2 hr |
| Sep 25, 6:04 PM PDT | Special Weather Statement | PSR | Imperial | 41 min |
| Sep 25, 6:22 PM PDT | Areal Flood Advisory | PSR | Imperial | 3 hr |
| Sep 25, 7:04 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 25, 7:25 PM PDT | Areal Flood Advisory | PSR | Imperial | 3 hr |
| Sep 25, 7:49 PM PDT | Areal Flood Advisory | PSR | Imperial, Riverside | 3 hr |
| Sep 25, 8:01 PM PDT | Flash Flood Warning | PSR | Imperial | 4 hr |
| Sep 26, 4:43 AM PDT | Areal Flood Advisory | PSR | Riverside | 3 hr |
| Sep 26, 6:12 AM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Sep 26, 11:03 AM PDT | Small Craft Advisory | EKA | 52 hr | |
| Sep 26, 11:42 AM PDT | Special Weather Statement | PSR | Riverside | 48 min |
| Sep 26, 12:29 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 26, 12:30 PM PDT | Special Weather Statement | PSR | Riverside | 45 min |
| Sep 26, 1:17 PM PDT | Special Weather Statement | PSR | Riverside | 43 min |
| Sep 26, 1:58 PM PDT | Special Weather Statement | PSR | Imperial | 47 min |
| Sep 26, 2:23 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 37 min |
| Sep 26, 2:30 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 57 hr |
| Sep 26, 2:41 PM PDT | Gale Warning | EKA | 36 hr | |
| Sep 26, 2:41 PM PDT | Small Craft Advisory | EKA | 68 hr | |
| Sep 26, 2:41 PM PDT | Hazardous Seas Warning | EKA | 12 hr | |
| Sep 26, 2:53 PM PDT | Gale Watch | MTR | 13 hr | |
| Sep 26, 2:53 PM PDT | Small Craft Advisory | MTR | 3 days | |
| Sep 26, 3:00 PM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 63 hr |
| Sep 26, 3:03 PM PDT | Flash Flood Warning | PSR | Riverside | 4 hr |
| Sep 26, 3:49 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Sep 26, 3:58 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 62 min |
| Sep 27, 2:34 AM PDT | Hazardous Seas Warning | EKA | 24 hr | |
| Sep 27, 2:44 AM PDT | Small Craft Advisory | LOX | 47 hr | |
| Sep 27, 3:27 AM PDT | Gale Warning | MTR | 42 hr | |
| Sep 27, 3:27 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Sep 27, 9:07 AM PDT | Gale Watch | LOX | 5 hr | |
| Sep 27, 9:38 AM PDT | Freeze Watch | REV | Lassen, Plumas, Sierra | 27 hr |
| Sep 27, 9:38 AM PDT | Freeze Watch | REV | Lassen, Modoc, Mono, Plumas, Sierra | 71 hr |
| Sep 27, 9:38 AM PDT | Freeze Watch | REV | Lassen, Modoc, Mono, Plumas, Sierra | 53 hr |
| Sep 27, 10:21 AM PDT | Wind Advisory | HNX | 34 hr | |
| Sep 27, 11:40 AM PDT | Red Flag Warning | REV | 32 hr | |
| Sep 27, 1:35 PM PDT | Frost Advisory | EKA | Trinity | 18 hr |
| Sep 27, 1:35 PM PDT | Freeze Watch | EKA | Trinity | 21 hr |
| Sep 27, 1:45 PM PDT | Winter Weather Advisory | STO | 3 days | |
| Sep 27, 1:54 PM PDT | Gale Warning | LOX | 36 hr | |
| Sep 27, 2:42 PM PDT | Freeze Watch | VEF | 24 hr | |
| Sep 27, 2:42 PM PDT | Freeze Watch | VEF | 24 hr | |
| Sep 27, 2:48 PM PDT | Small Craft Advisory for Rough Bar | MTR | 18 hr | |
| Sep 27, 3:03 PM PDT | Winter Storm Watch | REV | Lassen, Plumas, Sierra | 21 hr |
| Sep 27, 3:03 PM PDT | Winter Weather Advisory | REV | Alpine, El Dorado, Nevada, Placer | 35 hr |
| Sep 27, 8:17 PM PDT | Wind Advisory | LOX | 31 hr | |
| Sep 27, 9:10 PM PDT | Wind Advisory | REV | Mono | 23 hr |
| Sep 28, 1:23 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 31 hr |
| Sep 28, 1:46 AM PDT | Wind Advisory | PSR | Imperial, Riverside, San Bernardino | 30 hr |
| Sep 28, 2:22 AM PDT | Small Craft Advisory | EKA | 37 hr | |
| Sep 28, 2:22 AM PDT | Hazardous Seas Warning | EKA | 7 hr | |
| Sep 28, 3:14 AM PDT | Frost Advisory | EKA | Humboldt, Mendocino, Trinity | 29 hr |
| Sep 28, 11:01 AM PDT | Freeze Watch | EKA | Humboldt, Mendocino, Trinity | 26 hr |
| Sep 28, 12:09 PM PDT | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more | 46 hr |
| Sep 28, 12:22 PM PDT | Freeze Warning | REV | Lassen, Plumas, Sierra | 21 hr |
| Sep 28, 2:18 PM PDT | Small Craft Advisory | MTR | 18 hr | |
| Sep 28, 2:43 PM PDT | Freeze Warning | VEF | 42 hr | |
| Sep 28, 5:48 PM PDT | Special Weather Statement | STO | Yolo | 42 min |
| Sep 28, 6:08 PM PDT | Severe Thunderstorm Warning | STO | Sacramento, Solano, Sutter, Yolo | 52 min |
| Sep 28, 6:36 PM PDT | Tornado Warning | STO | Solano, Yolo | 24 min |
| Sep 28, 7:14 PM PDT | Special Weather Statement | STO | Sutter, Yuba | 61 min |
| Sep 28, 8:43 PM PDT | Special Weather Statement | STO | Amador | 47 min |
| Sep 28, 9:44 PM PDT | Small Craft Advisory | MTR | 5 hr | |
| Sep 29, 2:12 AM PDT | Small Craft Advisory | LOX | 6 days | |
| Sep 29, 3:38 AM PDT | Small Craft Advisory | MTR | 71 hr | |
| Sep 29, 8:31 AM PDT | Small Craft Advisory | MTR | 6 hr | |
| Sep 29, 10:37 AM PDT | Special Weather Statement | MFR | Del Norte | 23 min |
| Sep 29, 1:23 PM PDT | Freeze Watch | EKA | Humboldt, Mendocino, Trinity | 14 hr |
| Sep 29, 2:00 PM PDT | Wind Advisory | LOX | 13 hr | |
| Sep 29, 2:56 PM PDT | Frost Advisory | MFR | Siskiyou | 18 hr |
| Sep 29, 2:56 PM PDT | Frost Advisory | MFR | Siskiyou | 42 hr |
| Sep 29, 2:56 PM PDT | Freeze Watch | MFR | Siskiyou | 24 hr |
| Sep 29, 2:56 PM PDT | Freeze Warning | MFR | Siskiyou | 18 hr |
| Sep 29, 3:04 PM PDT | Freeze Warning | REV | Mono | 18 hr |
| Sep 30, 2:57 AM PDT | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 29 hr |
| Sep 30, 2:57 AM PDT | Freeze Warning | EKA | Humboldt, Mendocino, Trinity | 29 hr |
| Sep 30, 10:06 AM PDT | Wind Advisory | LOX | 17 hr | |
| Sep 30, 2:45 PM PDT | Frost Advisory | MFR | Siskiyou | 42 hr |
| Sep 30, 2:45 PM PDT | Freeze Watch | MFR | Siskiyou | 24 hr |
| Sep 30, 2:45 PM PDT | Freeze Warning | MFR | Siskiyou | 18 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.
- Riverside County40
- Imperial County32
- San Diego County27
- San Bernardino County25
- Lassen County12
- Plumas County12
- Modoc County11
- Siskiyou County11
- Sierra County11
- Placer County9
- Inyo County8
- El Dorado County8
- Nevada County8
- Humboldt County7
- Mono County7
- Alpine County7
- Yuba County7
- Tulare County6
- Mendocino County6
- Trinity County6
- Los Angeles County5
- Alameda County4
- Contra Costa County4
- Marin County4
- Monterey County4
- Napa County4
- San Benito County4
- City and County of San Francisco4
- San Mateo County4
- Santa Clara County4
- Santa Cruz County4
- Sonoma County4
- Ventura County3
- Del Norte County3
- Orange County3
- Yolo County3
- Kern County2
- Solano County2
- Sutter County2
- Tuolumne County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.