Alert archive / California / 2026
Weather alerts in California, August 2026
310 weather alerts in August 2026, 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 August 2026. Tap one for its archive.
- Alerts
- 310
- Warnings
- 84
- Watches
- 16
- Advisories
- 129
- Busiest day
- August 11, 202667 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 |
|---|---|---|---|---|
| Aug 1, 2:32 AM PDT | Small Craft Advisory | LOX | 17 hr | |
| Aug 1, 1:03 PM PDT | Beach Hazards Statement | LOX | Los Angeles | 7 hr |
| Aug 1, 10:37 PM PDT | Heat Advisory | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 8 days |
| Aug 2, 10:32 AM PDT | Heat Advisory | MFR | Modoc, Siskiyou | 7 days |
| Aug 2, 8:23 PM PDT | Extreme Heat Warning | LOX | Santa Barbara | 7 days |
| Aug 2, 8:28 PM PDT | Heat Advisory | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 7 days |
| Aug 2, 8:42 PM PDT | Hazardous Seas Warning | EKA | 12 hr | |
| Aug 2, 10:52 PM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Napa, Santa Clara, Sonoma | 23 hr |
| Aug 3, 12:01 AM PDT | Heat Advisory | REV | Lassen, Modoc, Plumas, Sierra | 7 days |
| Aug 3, 12:01 AM PDT | Extreme Heat Watch | REV | Lassen, Modoc, Plumas, Sierra | 35 hr |
| Aug 3, 1:29 AM PDT | Heat Advisory | STO | Amador, Butte, Calaveras, Colusa, El Dorado, Glenn and 13 more | 21 hr |
| Aug 3, 9:28 AM PDT | Small Craft Advisory | EKA | 48 hr | |
| Aug 3, 9:28 AM PDT | Hazardous Seas Warning | EKA | 12 hr | |
| Aug 3, 12:48 PM PDT | Red Flag Warning | MFR | Siskiyou | 56 hr |
| Aug 3, 8:50 PM PDT | Hazardous Seas Warning | EKA | 18 hr | |
| Aug 4, 12:24 AM PDT | Heat Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 6 days |
| Aug 4, 5:09 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Santa Clara | 16 hr |
| Aug 5, 12:31 PM PDT | Red Flag Warning | MFR | Siskiyou | 31 hr |
| Aug 6, 12:52 AM PDT | Heat Advisory | EKA | Lake, Mendocino | 4 days |
| Aug 6, 8:43 AM PDT | Small Craft Advisory | EKA | 8 days | |
| Aug 6, 9:46 AM PDT | Heat Advisory | STO | Amador, Butte, Calaveras, Colusa, El Dorado, Glenn and 15 more | 4 days |
| Aug 6, 11:07 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Monterey, Napa, San Benito, San Mateo and 3 more | 3 days |
| Aug 6, 12:36 PM PDT | Heat Advisory | EKA | Mendocino | 3 days |
| Aug 6, 1:40 PM PDT | Gale Watch | EKA | 25 hr | |
| Aug 6, 3:11 PM PDT | Special Weather Statement | PSR | Riverside | 34 min |
| Aug 6, 7:45 PM PDT | Coastal Flood Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, City and County of San Francisco and 4 more | 6 days |
| Aug 6, 10:36 PM PDT | Special Weather Statement | SGX | 39 min | |
| Aug 7, 2:04 AM PDT | Small Craft Advisory | MTR | 7 days | |
| Aug 7, 3:00 PM PDT | Gale Warning | EKA | 6 days | |
| Aug 7, 10:59 PM PDT | Heat Advisory | MFR | Modoc, Siskiyou | 24 hr |
| Aug 8, 2:32 AM PDT | Small Craft Advisory | MTR | 66 hr | |
| Aug 8, 1:22 PM PDT | Coastal Flood Advisory | LOX | Los Angeles, Santa Barbara, Ventura | 4 days |
| Aug 8, 4:47 PM PDT | Flash Flood Warning | REV | Mono | 118 min |
| Aug 8, 5:49 PM PDT | Small Craft Advisory | LOX | 6 hr | |
| Aug 8, 6:44 PM PDT | Areal Flood Advisory | REV | Mono | 3 hr |
| Aug 9, 12:24 PM PDT | Coastal Flood Advisory | SGX | Orange, San Diego | 3 days |
| Aug 9, 12:48 PM PDT | Special Weather Statement | SGX | San Diego | 42 min |
| Aug 9, 1:21 PM PDT | Areal Flood Advisory | SGX | Riverside, San Diego | 110 min |
| Aug 9, 4:13 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 32 min |
| Aug 9, 4:43 PM PDT | Special Weather Statement | SGX | San Diego | 47 min |
| Aug 9, 5:27 PM PDT | Special Weather Statement | SGX | San Diego | 48 min |
| Aug 9, 5:54 PM PDT | Flash Flood Warning | SGX | San Diego | 60 min |
| Aug 10, 4:04 AM PDT | Coastal Flood Advisory | EKA | Humboldt | 21 hr |
| Aug 10, 12:48 PM PDT | Special Weather Statement | SGX | San Diego | 42 min |
| Aug 10, 1:12 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 63 min |
| Aug 10, 1:45 PM PDT | Areal Flood Advisory | SGX | San Diego | 2 hr |
| Aug 10, 1:48 PM PDT | Special Weather Statement | SGX | 42 min | |
| Aug 10, 2:09 PM PDT | Special Weather Statement | SGX | San Diego | 51 min |
| Aug 10, 2:21 PM PDT | Areal Flood Advisory | SGX | Riverside, San Diego | 2 hr |
| Aug 10, 2:28 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 119 min |
| Aug 10, 2:34 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 10, 2:43 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 47 min |
| Aug 10, 3:03 PM PDT | Areal Flood Advisory | SGX | Riverside | 2 hr |
| Aug 10, 3:12 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 10, 3:21 PM PDT | Flash Flood Warning | SGX | Riverside | 117 min |
| Aug 10, 3:22 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 10, 3:41 PM PDT | Special Weather Statement | SGX | Riverside | 49 min |
| Aug 10, 4:11 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 4 hr |
| Aug 10, 4:14 PM PDT | Areal Flood Advisory | SGX | San Diego | 118 min |
| Aug 10, 4:25 PM PDT | Special Weather Statement | SGX | San Diego | 50 min |
| Aug 10, 4:36 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 24 min |
| Aug 10, 4:58 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 32 min |
| Aug 10, 5:02 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 43 min |
| Aug 10, 5:21 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 10, 5:31 PM PDT | Areal Flood Advisory | PSR | Imperial | 3 hr |
| Aug 10, 5:31 PM PDT | Areal Flood Advisory | SGX | San Diego | 59 min |
| Aug 10, 6:05 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 10, 6:30 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 10, 6:52 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 10, 7:22 PM PDT | Flash Flood Warning | VEF | San Bernardino | 113 min |
| Aug 10, 10:26 PM PDT | Dust Storm Advisory | PSR | Imperial, Riverside | 64 min |
| Aug 11, 2:17 AM PDT | Coastal Flood Advisory | EKA | Humboldt | 23 hr |
| Aug 11, 2:44 AM PDT | Small Craft Advisory | MTR | 42 hr | |
| Aug 11, 9:34 AM PDT | Flood Watch | REV | Mono | 59 hr |
| Aug 11, 9:57 AM PDT | Fire Weather Watch | STO | Alpine, Amador, Butte, Calaveras, El Dorado, Nevada and 6 more | 25 hr |
| Aug 11, 10:19 AM PDT | Fire Weather Watch | REV | El Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more | 41 hr |
| Aug 11, 11:54 AM PDT | Special Weather Statement | SGX | Riverside | 36 min |
| Aug 11, 12:10 PM PDT | Special Weather Statement | REV | Mono | 110 min |
| Aug 11, 12:44 PM PDT | Special Weather Statement | LOX | Ventura | 46 min |
| Aug 11, 12:44 PM PDT | Areal Flood Advisory | SGX | Riverside | 2 hr |
| Aug 11, 12:50 PM PDT | Special Weather Statement | HNX | 25 min | |
| Aug 11, 12:50 PM PDT | Areal Flood Advisory | LOX | Ventura | 2 hr |
| Aug 11, 12:53 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 2 hr |
| Aug 11, 12:58 PM PDT | Flood Watch | HNX | Kern | 2 min |
| Aug 11, 1:00 PM PDT | Areal Flood Advisory | HNX | Kern | 3 hr |
| Aug 11, 1:08 PM PDT | Flash Flood Warning | LOX | Ventura | 3 hr |
| Aug 11, 1:12 PM PDT | Special Weather Statement | SGX | Riverside | 33 min |
| Aug 11, 1:19 PM PDT | Areal Flood Advisory | SGX | Riverside | 101 min |
| Aug 11, 1:21 PM PDT | Areal Flood Advisory | SGX | Riverside, San Diego | 99 min |
| Aug 11, 1:31 PM PDT | Special Weather Statement | HNX | 29 min | |
| Aug 11, 1:38 PM PDT | Special Weather Statement | SGX | San Diego | 37 min |
| Aug 11, 1:42 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 78 min |
| Aug 11, 1:42 PM PDT | Special Weather Statement | SGX | Riverside | 33 min |
| Aug 11, 1:46 PM PDT | Special Weather Statement | SGX | Riverside | 29 min |
| Aug 11, 1:54 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 2 hr |
| Aug 11, 1:56 PM PDT | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Aug 11, 1:58 PM PDT | Special Weather Statement | REV | Mono | 2 hr |
| Aug 11, 2:01 PM PDT | Areal Flood Advisory | SGX | San Diego | 119 min |
| Aug 11, 2:01 PM PDT | Special Weather Statement | SGX | San Diego | 29 min |
| Aug 11, 2:11 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 22 min |
| Aug 11, 2:13 PM PDT | Flash Flood Warning | SGX | San Diego | 109 min |
| Aug 11, 2:14 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 46 min |
| Aug 11, 2:23 PM PDT | Areal Flood Advisory | SGX | Riverside, San Diego | 97 min |
| Aug 11, 2:24 PM PDT | Areal Flood Advisory | HNX | Kern | 3 hr |
| Aug 11, 2:25 PM PDT | Special Weather Statement | SGX | San Diego | 35 min |
| Aug 11, 2:36 PM PDT | Areal Flood Advisory | LOX | Santa Barbara | 2 hr |
| Aug 11, 2:40 PM PDT | Special Weather Statement | SGX | San Diego | 35 min |
| Aug 11, 2:42 PM PDT | Special Weather Statement | SGX | San Diego | 33 min |
| Aug 11, 2:49 PM PDT | Areal Flood Advisory | SGX | San Diego | 71 min |
| Aug 11, 2:53 PM PDT | Flash Flood Warning | SGX | San Diego | 67 min |
| Aug 11, 2:54 PM PDT | Flash Flood Warning | SGX | San Diego | 66 min |
| Aug 11, 2:56 PM PDT | Areal Flood Advisory | LOX | Ventura | 2 hr |
| Aug 11, 3:03 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 59 min |
| Aug 11, 3:08 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 11, 3:11 PM PDT | Special Weather Statement | LOX | Santa Barbara | 34 min |
| Aug 11, 3:12 PM PDT | Areal Flood Advisory | SGX | San Diego | 48 min |
| Aug 11, 3:25 PM PDT | Severe Thunderstorm Warning | PSR | Riverside, San Bernardino | 50 min |
| Aug 11, 3:26 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 11, 3:36 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 39 min |
| Aug 11, 3:50 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Aug 11, 3:59 PM PDT | Special Weather Statement | SGX | San Diego | 31 min |
| Aug 11, 4:00 PM PDT | Special Weather Statement | SGX | San Diego | 30 min |
| Aug 11, 4:12 PM PDT | Special Weather Statement | REV | Mono | 2 hr |
| Aug 11, 4:12 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 48 min |
| Aug 11, 4:18 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 11, 4:24 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Aug 11, 4:37 PM PDT | Special Weather Statement | SGX | San Diego | 38 min |
| Aug 11, 4:42 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 11, 4:43 PM PDT | Special Weather Statement | PSR | Imperial | 32 min |
| Aug 11, 5:11 PM PDT | Areal Flood Advisory | LOX | Ventura | 104 min |
| Aug 11, 5:19 PM PDT | Special Weather Statement | PSR | Riverside | 26 min |
| Aug 11, 5:42 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 48 min |
| Aug 11, 6:26 PM PDT | Areal Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 11, 6:46 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 11, 6:54 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 51 min |
| Aug 12, 4:12 AM PDT | Special Weather Statement | HNX | Mariposa | 33 min |
| Aug 12, 4:13 AM PDT | Special Weather Statement | HNX | Tuolumne | 32 min |
| Aug 12, 4:29 AM PDT | Special Weather Statement | HNX | Mariposa | 31 min |
| Aug 12, 4:50 AM PDT | Special Weather Statement | HNX | Tuolumne | 25 min |
| Aug 12, 5:10 AM PDT | Special Weather Statement | HNX | Mariposa | 35 min |
| Aug 12, 5:38 AM PDT | Special Weather Statement | HNX | Kings | 37 min |
| Aug 12, 5:59 AM PDT | Special Weather Statement | HNX | Fresno | 46 min |
| Aug 12, 6:01 AM PDT | Special Weather Statement | HNX | Kings | 29 min |
| Aug 12, 6:44 AM PDT | Special Weather Statement | HNX | Fresno | 31 min |
| Aug 12, 6:50 AM PDT | Special Weather Statement | HNX | Mariposa | 25 min |
| Aug 12, 7:10 AM PDT | Special Weather Statement | HNX | Mariposa | 35 min |
| Aug 12, 7:11 AM PDT | Special Weather Statement | HNX | Fresno | 34 min |
| Aug 12, 7:13 AM PDT | Special Weather Statement | HNX | Fresno | 32 min |
| Aug 12, 7:38 AM PDT | Special Weather Statement | HNX | Fresno | 37 min |
| Aug 12, 7:39 AM PDT | Special Weather Statement | HNX | Mariposa | 36 min |
| Aug 12, 7:40 AM PDT | Special Weather Statement | HNX | Tulare | 35 min |
| Aug 12, 7:54 AM PDT | Special Weather Statement | HNX | Fresno | 36 min |
| Aug 12, 8:21 AM PDT | Special Weather Statement | HNX | Fresno | 24 min |
| Aug 12, 8:40 AM PDT | Special Weather Statement | HNX | Madera | 35 min |
| Aug 12, 9:54 AM PDT | Special Weather Statement | HNX | Madera | 36 min |
| Aug 12, 10:33 AM PDT | Special Weather Statement | HNX | Fresno | 27 min |
| Aug 12, 11:04 AM PDT | Red Flag Warning | STO | Alpine, Amador, Calaveras, El Dorado, Tuolumne | 30 hr |
| Aug 12, 11:07 AM PDT | Special Weather Statement | HNX | Fresno | 38 min |
| Aug 12, 11:41 AM PDT | Special Weather Statement | REV | Alpine, Mono | 109 min |
| Aug 12, 1:18 PM PDT | Special Weather Statement | MTR | Monterey | 42 min |
| Aug 12, 1:31 PM PDT | Coastal Flood Advisory | EKA | Humboldt | 11 hr |
| Aug 12, 1:34 PM PDT | Special Weather Statement | REV | Alpine, Mono | 101 min |
| Aug 12, 1:41 PM PDT | Mesoscale Discussion | SPC | Imperial | 2 hr |
| Aug 12, 1:55 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 12, 2:42 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 118 min |
| Aug 12, 2:53 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 52 min |
| Aug 12, 3:15 PM PDT | Special Weather Statement | REV | Alpine, Mono | 2 hr |
| Aug 12, 3:30 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 30 min |
| Aug 12, 3:47 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 43 min |
| Aug 12, 3:58 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 47 min |
| Aug 12, 4:00 PM PDT | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Aug 12, 4:01 PM PDT | Flash Flood Warning | PSR | Imperial | 3 hr |
| Aug 12, 4:05 PM PDT | Areal Flood Advisory | REV | Alpine | 3 hr |
| Aug 12, 4:26 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 49 min |
| Aug 12, 4:31 PM PDT | Dust Storm Warning | PSR | Imperial | 59 min |
| Aug 12, 4:35 PM PDT | Flash Flood Warning | PSR | Imperial | 3 hr |
| Aug 12, 4:58 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 47 min |
| Aug 12, 5:08 PM PDT | Dust Storm Warning | PSR | Imperial, Riverside | 52 min |
| Aug 12, 5:53 PM PDT | Dust Storm Warning | PSR | Imperial, Riverside | 67 min |
| Aug 12, 6:02 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 12, 6:08 PM PDT | Dust Storm Warning | SGX | Riverside, San Diego | 52 min |
| Aug 12, 6:25 PM PDT | Flash Flood Warning | PSR | Riverside | 5 hr |
| Aug 12, 6:39 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 12, 8:04 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 12, 11:33 PM PDT | Extreme Heat Watch | PSR | Imperial, Riverside | 59 hr |
| Aug 13, 12:23 AM PDT | Special Weather Statement | HNX | Merced | 37 min |
| Aug 13, 12:59 AM PDT | Special Weather Statement | HNX | Merced | 31 min |
| Aug 13, 9:32 AM PDT | Lake Wind Advisory | HNX | Fresno, Merced | 16 hr |
| Aug 13, 10:41 AM PDT | Special Weather Statement | HNX | 34 min | |
| Aug 13, 11:11 AM PDT | Special Weather Statement | REV | Alpine, Mono | 109 min |
| Aug 13, 12:06 PM PDT | Special Weather Statement | HNX | 24 min | |
| Aug 13, 12:07 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Aug 13, 12:14 PM PDT | Special Weather Statement | HNX | 31 min | |
| Aug 13, 12:24 PM PDT | Mesoscale Discussion | SPC | Mono | 2 hr |
| Aug 13, 12:42 PM PDT | Special Weather Statement | HNX | Mono | 33 min |
| Aug 13, 12:43 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 47 min |
| Aug 13, 12:44 PM PDT | Severe Thunderstorm Warning | REV | Mono | 46 min |
| Aug 13, 12:53 PM PDT | Special Weather Statement | REV | Alpine, Mono | 112 min |
| Aug 13, 1:04 PM PDT | Special Weather Statement | HNX | Mono | 26 min |
| Aug 13, 1:23 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 13, 1:29 PM PDT | Special Weather Statement | HNX | 31 min | |
| Aug 13, 1:36 PM PDT | Areal Flood Advisory | VEF | Inyo | 3 hr |
| Aug 13, 1:56 PM PDT | Areal Flood Advisory | HNX | Fresno | 2 hr |
| Aug 13, 2:13 PM PDT | Areal Flood Advisory | VEF | Inyo | 3 hr |
| Aug 13, 2:45 PM PDT | Areal Flood Advisory | HNX | Fresno | 90 min |
| Aug 13, 3:52 PM PDT | Areal Flood Advisory | REV | Mono | 3 hr |
| Aug 13, 3:55 PM PDT | Areal Flood Advisory | REV | Mono | 3 hr |
| Aug 13, 4:05 PM PDT | Areal Flood Advisory | HNX | Tuolumne | 3 hr |
| Aug 13, 4:09 PM PDT | Areal Flood Advisory | REV | Mono | 3 hr |
| Aug 13, 5:31 PM PDT | Special Weather Statement | REV | Mono | 119 min |
| Aug 14, 7:41 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 14, 8:18 PM PDT | Small Craft Advisory | LOX | 5 days | |
| Aug 14, 10:30 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 15, 10:05 AM PDT | Extreme Heat Warning | PSR | Imperial, Riverside, San Bernardino | 14 days |
| Aug 15, 12:45 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 45 min |
| Aug 15, 1:08 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 15, 3:44 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 15, 4:16 PM PDT | Flash Flood Warning | PSR | Riverside | 3 hr |
| Aug 15, 4:36 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 102 min |
| Aug 15, 4:38 PM PDT | Areal Flood Advisory | SGX | San Diego | 2 hr |
| Aug 15, 4:46 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 15, 4:48 PM PDT | Special Weather Statement | SGX | 42 min | |
| Aug 15, 4:49 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 41 min |
| Aug 15, 5:20 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 13 min |
| Aug 15, 5:22 PM PDT | Areal Flood Advisory | PSR | Imperial | 103 min |
| Aug 15, 5:42 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 24 min |
| Aug 15, 6:29 PM PDT | Areal Flood Advisory | VEF | Inyo, San Bernardino | 3 hr |
| Aug 15, 8:33 PM PDT | Small Craft Advisory | LOX | 4 days | |
| Aug 16, 2:53 AM PDT | Small Craft Advisory | EKA | 5 days | |
| Aug 16, 10:45 AM PDT | Extreme Heat Watch | VEF | Inyo, San Bernardino | 15 hr |
| Aug 16, 12:21 PM PDT | Heat Advisory | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 4 days |
| Aug 17, 2:14 AM PDT | Extreme Heat Warning | VEF | Inyo, San Bernardino | 7 days |
| Aug 17, 2:37 AM PDT | Small Craft Advisory | MTR | 6 days | |
| Aug 17, 10:35 AM PDT | Lake Wind Advisory | HNX | Kern, Tulare | 9 hr |
| Aug 17, 2:45 PM PDT | Small Craft Advisory | MTR | 66 hr | |
| Aug 18, 11:56 AM PDT | Heat Advisory | SGX | Riverside, San Bernardino | 56 hr |
| Aug 18, 2:25 PM PDT | Lake Wind Advisory | HNX | Kern, Tulare | 9 hr |
| Aug 18, 7:33 PM PDT | Wind Advisory | LOX | Santa Barbara | 6 hr |
| Aug 19, 12:58 AM PDT | Extreme Heat Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 11 days |
| Aug 19, 10:12 AM PDT | Lake Wind Advisory | HNX | Kern, Tulare | 10 hr |
| Aug 19, 11:53 AM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 22 hr |
| Aug 20, 7:23 AM PDT | Small Craft Advisory | LOX | 15 days | |
| Aug 20, 9:28 AM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 24 hr |
| Aug 20, 9:28 AM PDT | Red Flag Warning | MFR | Siskiyou | 12 hr |
| Aug 20, 9:28 AM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 35 hr |
| Aug 20, 10:32 AM PDT | Lake Wind Advisory | HNX | Kern, Tulare | 9 hr |
| Aug 20, 10:52 AM PDT | Fire Weather Watch | REV | Lassen, Modoc | 21 hr |
| Aug 20, 12:52 PM PDT | Areal Flood Advisory | SGX | San Diego | 59 min |
| Aug 20, 12:56 PM PDT | Special Weather Statement | SGX | San Diego | 34 min |
| Aug 20, 2:34 PM PDT | Small Craft Advisory | MTR | 24 hr | |
| Aug 21, 2:36 AM PDT | Small Craft Advisory | MTR | 12 hr | |
| Aug 21, 7:37 AM PDT | Red Flag Warning | REV | Lassen, Modoc | 39 hr |
| Aug 21, 9:30 AM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 36 hr |
| Aug 21, 11:22 AM PDT | Lake Wind Advisory | REV | Lassen, Plumas, Sierra | 36 hr |
| Aug 21, 12:23 PM PDT | Heat Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 8 days |
| Aug 21, 1:12 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 59 min |
| Aug 21, 2:18 PM PDT | Small Craft Advisory | EKA | 3 days | |
| Aug 21, 2:45 PM PDT | Small Craft Advisory | MTR | 60 hr | |
| Aug 21, 7:41 PM PDT | Small Craft Advisory | LOX | 30 hr | |
| Aug 22, 1:10 PM PDT | Extreme Heat Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 36 hr |
| Aug 22, 2:25 PM PDT | Heat Advisory | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 7 days |
| Aug 22, 2:25 PM PDT | Extreme Heat Watch | LOX | Los Angeles, Santa Barbara, Ventura | 46 hr |
| Aug 23, 11:59 AM PDT | Red Flag Warning | MFR | Siskiyou | 32 hr |
| Aug 23, 4:36 PM PDT | Heat Advisory | HNX | Fresno, Kern, Kings, Tulare | 3 days |
| Aug 23, 4:36 PM PDT | Extreme Heat Warning | HNX | Kern | 3 days |
| Aug 23, 4:43 PM PDT | Special Weather Statement | SGX | San Diego | 47 min |
| Aug 23, 4:56 PM PDT | Areal Flood Advisory | SGX | San Diego | 58 min |
| Aug 24, 7:22 AM PDT | Extreme Heat Warning | VEF | Inyo, San Bernardino | 5 days |
| Aug 24, 12:44 PM PDT | Heat Advisory | LOX | San Luis Obispo, Santa Barbara | 4 days |
| Aug 24, 12:44 PM PDT | Extreme Heat Warning | LOX | Los Angeles, Santa Barbara, Ventura | 4 days |
| Aug 24, 1:24 PM PDT | Small Craft Advisory | LOX | 7 days | |
| Aug 24, 1:46 PM PDT | Red Flag Warning | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 4 days |
| Aug 24, 2:00 PM PDT | Lake Wind Advisory | HNX | Fresno, Merced | 6 hr |
| Aug 24, 2:30 PM PDT | Small Craft Advisory | MTR | 3 days | |
| Aug 24, 2:56 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 97 min |
| Aug 24, 8:28 PM PDT | Small Craft Advisory | LOX | 53 hr | |
| Aug 25, 12:25 PM PDT | Beach Hazards Statement | LOX | Los Angeles, Ventura | 59 hr |
| Aug 25, 12:48 PM PDT | Fire Weather Watch | MFR | Modoc | 21 hr |
| Aug 25, 12:48 PM PDT | Red Flag Warning | MFR | Modoc | 31 hr |
| Aug 25, 1:16 PM PDT | Beach Hazards Statement | SGX | Orange, San Diego | 58 hr |
| Aug 25, 8:37 PM PDT | Wind Advisory | LOX | Santa Barbara | 9 hr |
| Aug 25, 8:46 PM PDT | Small Craft Advisory | EKA | 6 days | |
| Aug 26, 10:12 AM PDT | Red Flag Warning | MFR | Modoc | 34 hr |
| Aug 27, 11:07 AM PDT | Red Flag Warning | MTR | Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz | 28 hr |
| Aug 27, 1:33 PM PDT | Red Flag Warning | LOX | San Luis Obispo | 25 hr |
| Aug 27, 2:09 PM PDT | Small Craft Advisory | MTR | 61 hr | |
| Aug 27, 3:50 PM PDT | Special Weather Statement | LOX | Ventura | 25 min |
| Aug 27, 7:26 PM PDT | Wind Advisory | LOX | Santa Barbara, Ventura | 3 hr |
| Aug 28, 11:16 AM PDT | Wind Advisory | LOX | Santa Barbara | 14 hr |
| Aug 28, 3:21 PM PDT | Special Weather Statement | PSR | Imperial | 39 min |
| Aug 28, 3:49 PM PDT | Special Weather Statement | PSR | Imperial | 26 min |
| Aug 28, 4:22 PM PDT | Dust Storm Advisory | PSR | Imperial | 38 min |
| Aug 28, 4:32 PM PDT | Dust Storm Warning | PSR | Imperial | 43 min |
| Aug 28, 5:07 PM PDT | Dust Storm Advisory | PSR | Imperial | 53 min |
| Aug 28, 5:08 PM PDT | Areal Flood Advisory | SGX | San Diego | 117 min |
| Aug 28, 5:12 PM PDT | Special Weather Statement | SGX | San Diego | 48 min |
| Aug 29, 5:04 AM PDT | Dense Fog Advisory | MTR | Marin, Napa, Sonoma | 4 hr |
| Aug 29, 7:49 AM PDT | Wind Advisory | LOX | Santa Barbara | 22 hr |
| Aug 29, 8:44 AM PDT | Small Craft Advisory | MTR | 66 hr | |
| Aug 29, 1:33 PM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 23 hr |
| Aug 29, 5:47 PM PDT | Beach Hazards Statement | LOX | Los Angeles, Ventura | 44 hr |
| Aug 30, 8:55 AM PDT | Small Craft Advisory | LOX | 18 hr | |
| Aug 30, 9:19 AM PDT | Fire Weather Watch | REV | Lassen, Modoc | 26 hr |
| Aug 30, 12:56 PM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 31 hr |
| Aug 30, 9:07 PM PDT | Small Craft Advisory | LOX | 25 hr | |
| Aug 31, 2:31 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Aug 31, 11:42 AM PDT | Red Flag Warning | REV | Lassen, Modoc | 35 hr |
| Aug 31, 12:19 PM PDT | Frost Advisory | MFR | Modoc | 40 hr |
| Aug 31, 1:21 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 3 days |
| Aug 31, 3:19 PM PDT | Dust Storm Advisory | PSR | Imperial | 56 min |
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 | 27 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 75 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 25 |
| Flood Watch | 2 |
| Areal Flood Advisory | 58 |
| Heat | |
| Extreme Heat Warning | 7 |
| Extreme Heat Watch | 5 |
| Heat Advisory | 19 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| Dust Storm Warning | 5 |
| Dust Storm Advisory | 4 |
| Lake Wind Advisory | 8 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 15 |
| Fire Weather Watch | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 6 |
| Beach Hazards Statement | 4 |
| Marine | |
| Gale Warning | 1 |
| Hazardous Seas Warning | 3 |
| Gale Watch | 1 |
| Small Craft Advisory | 27 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County59
- San Diego County46
- Riverside County31
- Imperial County25
- Mono County20
- Modoc County19
- Ventura County17
- Santa Barbara County16
- Fresno County14
- Siskiyou County12
- Los Angeles County10
- Lassen County10
- Alpine County9
- Kern County9
- Plumas County8
- Sierra County7
- Tuolumne County7
- Inyo County7
- San Luis Obispo County6
- El Dorado County6
- Orange County6
- Mariposa County6
- Tulare County6
- Santa Clara County5
- Nevada County5
- Placer County5
- Humboldt County4
- Alameda County4
- Contra Costa County4
- Napa County4
- Sonoma County4
- Amador County4
- Calaveras County4
- Monterey County4
- Merced County4
- Mendocino County3
- Butte County3
- Tehama County3
- Yuba County3
- San Mateo County3
18 more counties
Nearby
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.