Alert archive / California / 2019
Weather alerts in California, August 2019
165 weather alerts in August 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 August 2019. Tap one for its archive.
- Alerts
- 165
- Warnings
- 38
- Watches
- 21
- Advisories
- 70
- Busiest day
- August 10, 201924 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 |
|---|---|---|---|---|
| Jul 31, 5:13 PM PDT | Small Craft Advisory | LOX | 46 hr | |
| Aug 1, 2:42 AM PDT | Gale Watch | LOX | 11 hr | |
| Aug 1, 2:42 AM PDT | Small Craft Advisory | LOX | 48 hr | |
| Aug 1, 3:00 AM PDT | Small Craft Advisory | MTR | 48 hr | |
| Aug 1, 2:02 PM PDT | Gale Warning | LOX | 37 hr | |
| Aug 1, 2:12 PM PDT | Small Craft Advisory | MTR | 31 hr | |
| Aug 1, 7:39 PM PDT | Wind Advisory | LOX | 9 hr | |
| Aug 2, 2:56 AM PDT | Small Craft Advisory | LOX | 18 hr | |
| Aug 2, 12:55 PM PDT | Excessive Heat Warning | PSR | Imperial, Riverside, San Bernardino | 3 days |
| Aug 2, 1:15 PM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 3 days |
| Aug 2, 1:40 PM PDT | Excessive Heat Warning | SGX | Riverside, San Bernardino, San Diego | 3 days |
| Aug 2, 1:40 PM PDT | Heat Advisory | SGX | Riverside, San Bernardino, San Diego | 3 days |
| Aug 2, 2:06 PM PDT | Small Craft Advisory | MTR | 37 hr | |
| Aug 3, 2:50 AM PDT | Small Craft Advisory | MTR | 24 hr | |
| Aug 3, 2:56 AM PDT | Small Craft Advisory | EKA | 29 hr | |
| Aug 3, 3:02 AM PDT | Small Craft Advisory | LOX | 9 days | |
| Aug 4, 3:45 AM PDT | Small Craft Advisory | MTR | 17 hr | |
| Aug 4, 2:17 PM PDT | Small Craft Advisory | EKA | 3 days | |
| Aug 4, 6:28 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 21 min |
| Aug 5, 2:53 AM PDT | Small Craft Advisory | MTR | 4 days | |
| Aug 6, 3:03 AM PDT | Small Craft Advisory | MTR | 4 days | |
| Aug 6, 10:26 PM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 22 hr |
| Aug 7, 2:24 AM PDT | Small Craft Advisory | MTR | 43 hr | |
| Aug 7, 8:54 AM PDT | Areal Flood Advisory | PSR | Imperial | 3 hr |
| Aug 7, 1:07 PM PDT | Fire Weather Watch | MFR | Siskiyou | 24 hr |
| Aug 7, 1:08 PM PDT | Special Weather Statement | REV | Mono | 52 min |
| Aug 7, 1:41 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 2:04 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 7, 2:33 PM PDT | Special Weather Statement | HNX | Tuolumne | 42 min |
| Aug 7, 3:06 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 3:28 PM PDT | Special Weather Statement | REV | Mono | 107 min |
| Aug 7, 4:16 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 7, 9:29 PM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 24 hr |
| Aug 8, 2:31 AM PDT | Small Craft Advisory | MTR | 36 hr | |
| Aug 8, 3:42 AM PDT | Fire Weather Watch | EKA | 8 hr | |
| Aug 8, 11:45 AM PDT | Red Flag Warning | EKA | 44 hr | |
| Aug 8, 12:06 PM PDT | Special Weather Statement | REV | Alpine, Mono | 114 min |
| Aug 8, 12:43 PM PDT | Flash Flood Warning | REV | Mono | 77 min |
| Aug 8, 1:09 PM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 56 hr |
| Aug 8, 2:12 PM PDT | Special Weather Statement | HNX | 48 min | |
| Aug 9, 3:53 AM PDT | Wind Advisory | LOX | 23 hr | |
| Aug 9, 1:00 PM PDT | Mesoscale Discussion | SPC | Siskiyou | 2 hr |
| Aug 9, 2:38 PM PDT | Small Craft Advisory | MTR | 3 days | |
| Aug 9, 6:47 PM PDT | Special Weather Statement | EKA | Trinity | 13 min |
| Aug 9, 8:58 PM PDT | Special Weather Statement | EKA | Trinity | 32 min |
| Aug 9, 9:04 PM PDT | Special Weather Statement | EKA | Trinity | 41 min |
| Aug 9, 9:31 PM PDT | Special Weather Statement | MFR | Del Norte | 29 min |
| Aug 9, 11:45 PM PDT | Special Weather Statement | STO | Tehama | 45 min |
| Aug 9, 11:56 PM PDT | Severe Thunderstorm Warning | STO | Shasta, Tehama | 49 min |
| Aug 10, 12:45 AM PDT | Special Weather Statement | STO | Shasta, Tehama | 45 min |
| Aug 10, 1:07 AM PDT | Special Weather Statement | STO | Shasta | 38 min |
| Aug 10, 1:26 AM PDT | Special Weather Statement | MFR | Siskiyou | 34 min |
| Aug 10, 2:47 AM PDT | Small Craft Advisory | LOX | 3 days | |
| Aug 10, 2:59 AM PDT | Small Craft Advisory | MTR | 8 days | |
| Aug 10, 3:25 AM PDT | Wind Advisory | LOX | 26 hr | |
| Aug 10, 5:17 AM PDT | Dense Fog Advisory | LOX | 3 hr | |
| Aug 10, 10:09 AM PDT | Special Weather Statement | REV | Lassen | 36 min |
| Aug 10, 10:24 AM PDT | Special Weather Statement | MFR | Modoc | 36 min |
| Aug 10, 10:57 AM PDT | Special Weather Statement | MFR | Modoc | 33 min |
| Aug 10, 11:36 AM PDT | Mesoscale Discussion | SPC | Lassen, Modoc, Shasta, Siskiyou, Tehama, Trinity | 114 min |
| Aug 10, 11:46 AM PDT | Special Weather Statement | MFR | Modoc | 29 min |
| Aug 10, 12:05 PM PDT | Special Weather Statement | STO | Tehama | 40 min |
| Aug 10, 12:48 PM PDT | Severe Thunderstorm Warning | STO | Butte, Glenn, Tehama | 44 min |
| Aug 10, 1:32 PM PDT | Special Weather Statement | REV | Lassen | 118 min |
| Aug 10, 2:17 PM PDT | Special Weather Statement | MFR | Siskiyou | 28 min |
| Aug 10, 3:48 PM PDT | Special Weather Statement | STO | Tehama | 42 min |
| Aug 10, 4:27 PM PDT | Special Weather Statement | REV | Lassen | 108 min |
| Aug 10, 5:42 PM PDT | Special Weather Statement | STO | Shasta | 33 min |
| Aug 11, 2:45 AM PDT | Excessive Heat Watch | PSR | Imperial, Riverside | 36 hr |
| Aug 11, 6:14 AM PDT | Dense Fog Advisory | MTR | Marin, Monterey, Napa, San Benito, Santa Cruz, Sonoma | 3 hr |
| Aug 11, 8:08 PM PDT | Excessive Heat Watch | SGX | Riverside, San Diego | 18 hr |
| Aug 11, 8:49 PM PDT | Small Craft Advisory | MTR | 30 hr | |
| Aug 12, 2:59 AM PDT | Excessive Heat Watch | VEF | San Bernardino | 35 hr |
| Aug 12, 8:28 AM PDT | Special Weather Statement | HNX | Tulare | 17 min |
| Aug 12, 2:17 PM PDT | Excessive Heat Warning | PSR | Imperial, Riverside, San Bernardino | 4 days |
| Aug 12, 2:26 PM PDT | Excessive Heat Warning | SGX | Riverside, San Diego | 3 days |
| Aug 12, 2:26 PM PDT | Heat Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 3 days |
| Aug 12, 8:53 PM PDT | Small Craft Advisory | EKA | 6 days | |
| Aug 13, 1:54 AM PDT | Excessive Heat Watch | HNX | 12 hr | |
| Aug 13, 9:24 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 59 hr |
| Aug 13, 11:12 AM PDT | Excessive Heat Warning | STO | 3 days | |
| Aug 13, 1:56 PM PDT | Excessive Heat Warning | HNX | 54 hr | |
| Aug 13, 1:56 PM PDT | Heat Advisory | HNX | 30 hr | |
| Aug 13, 1:56 PM PDT | Heat Advisory | HNX | 54 hr | |
| Aug 13, 1:56 PM PDT | Heat Advisory | HNX | 59 hr | |
| Aug 13, 2:26 PM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 3 days |
| Aug 13, 9:14 PM PDT | Heat Advisory | LOX | Santa Barbara | 48 hr |
| Aug 14, 12:20 AM PDT | Dense Fog Advisory | LOX | 8 hr | |
| Aug 14, 2:48 AM PDT | Small Craft Advisory | MTR | 24 hr | |
| Aug 14, 2:48 AM PDT | Small Craft Advisory | MTR | 4 days | |
| Aug 14, 2:52 AM PDT | Gale Watch | EKA | 12 hr | |
| Aug 14, 3:02 PM PDT | Gale Warning | EKA | 3 days | |
| Aug 14, 3:02 PM PDT | Small Craft Advisory | EKA | 4 days | |
| Aug 16, 1:19 AM PDT | Excessive Heat Warning | HNX | 19 hr | |
| Aug 16, 1:41 AM PDT | Dense Fog Advisory | LOX | 6 hr | |
| Aug 16, 2:46 AM PDT | Heat Advisory | HNX | 17 hr | |
| Aug 16, 7:27 AM PDT | Heat Advisory | MTR | Alameda, Contra Costa, Marin, Napa, Sonoma | 13 hr |
| Aug 16, 1:06 PM PDT | Excessive Heat Warning | PSR | Imperial, Riverside, San Bernardino | 5 days |
| Aug 17, 2:01 AM PDT | Wind Advisory | HNX | 21 hr | |
| Aug 17, 2:16 AM PDT | Excessive Heat Watch | SGX | Riverside, San Bernardino, San Diego | 48 hr |
| Aug 17, 2:38 AM PDT | Excessive Heat Watch | VEF | Inyo, San Bernardino | 25 hr |
| Aug 17, 10:06 PM PDT | Small Craft Advisory | MTR | 54 min | |
| Aug 18, 3:21 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 4 days |
| Aug 18, 1:54 PM PDT | Small Craft Advisory | MTR | 7 hr | |
| Aug 18, 8:14 PM PDT | Small Craft Advisory | LOX | 67 hr | |
| Aug 19, 2:24 AM PDT | Excessive Heat Warning | SGX | Riverside, San Bernardino, San Diego | 66 hr |
| Aug 19, 3:06 AM PDT | Small Craft Advisory | MTR | 4 days | |
| Aug 20, 2:33 AM PDT | Gale Watch | LOX | 12 hr | |
| Aug 20, 3:00 AM PDT | Small Craft Advisory | MTR | 3 days | |
| Aug 20, 3:08 AM PDT | Wind Advisory | LOX | 24 hr | |
| Aug 20, 2:24 PM PDT | Gale Warning | LOX | 37 hr | |
| Aug 21, 2:50 AM PDT | Gale Watch | EKA | 12 hr | |
| Aug 21, 2:50 AM PDT | Small Craft Advisory | EKA | 4 days | |
| Aug 21, 2:50 AM PDT | Hazardous Seas Watch | EKA | 12 hr | |
| Aug 21, 2:57 AM PDT | Small Craft Advisory | LOX | 24 hr | |
| Aug 21, 2:57 AM PDT | Small Craft Advisory | MTR | 42 hr | |
| Aug 21, 4:06 AM PDT | Wind Advisory | LOX | 23 hr | |
| Aug 21, 2:31 PM PDT | Gale Warning | EKA | 38 hr | |
| Aug 21, 2:31 PM PDT | Hazardous Seas Warning | EKA | 54 hr | |
| Aug 22, 3:03 AM PDT | Small Craft Advisory | LOX | 24 hr | |
| Aug 22, 1:06 PM PDT | Beach Hazards Statement | SGX | Orange, San Diego | 4 days |
| Aug 22, 1:12 PM PDT | Beach Hazards Statement | LOX | Los Angeles | 4 days |
| Aug 22, 1:36 PM PDT | Small Craft Advisory | LOX | 18 hr | |
| Aug 22, 3:57 PM PDT | Small Craft Advisory | MTR | 29 hr | |
| Aug 23, 2:59 PM PDT | Small Craft Advisory | MTR | 24 hr | |
| Aug 24, 2:39 PM PDT | Small Craft Advisory | MTR | 12 hr | |
| Aug 25, 2:50 AM PDT | Small Craft Advisory | EKA | 54 hr | |
| Aug 25, 4:13 AM PDT | Excessive Heat Watch | MFR | Siskiyou | 23 hr |
| Aug 25, 12:45 PM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 61 hr |
| Aug 25, 2:57 PM PDT | Excessive Heat Watch | VEF | San Bernardino | 12 hr |
| Aug 26, 2:30 AM PDT | Heat Advisory | STO | 43 hr | |
| Aug 26, 3:13 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 7 days |
| Aug 26, 3:42 AM PDT | Excessive Heat Warning | MFR | Siskiyou | 62 hr |
| Aug 26, 2:02 PM PDT | Fire Weather Watch | EKA | 21 hr | |
| Aug 26, 2:06 PM PDT | Small Craft Advisory | LOX | 13 hr | |
| Aug 26, 2:22 PM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 3 days |
| Aug 26, 2:34 PM PDT | Fire Weather Watch | REV | Lassen, Modoc, Plumas, Sierra | 36 hr |
| Aug 26, 2:54 PM PDT | Fire Weather Watch | STO | 24 hr | |
| Aug 27, 12:25 AM PDT | Excessive Heat Warning | HNX | 19 hr | |
| Aug 27, 12:25 AM PDT | Heat Advisory | HNX | 19 hr | |
| Aug 27, 9:34 AM PDT | Red Flag Warning | REV | Lassen, Modoc | 34 hr |
| Aug 27, 2:16 PM PDT | Excessive Heat Warning | PSR | Imperial, Riverside | 4 days |
| Aug 27, 3:23 PM PDT | Red Flag Warning | STO | 27 hr | |
| Aug 27, 4:26 PM PDT | Special Weather Statement | STO | Alpine | 34 min |
| Aug 27, 4:55 PM PDT | Special Weather Statement | REV | Alpine | 110 min |
| Aug 28, 9:15 AM PDT | Small Craft Advisory | LOX | 10 days | |
| Aug 28, 12:53 PM PDT | Excessive Heat Watch | SGX | Riverside, San Bernardino, San Diego | 20 hr |
| Aug 28, 2:02 PM PDT | Small Craft Advisory | MTR | 61 hr | |
| Aug 28, 3:29 PM PDT | Special Weather Statement | REV | Lassen | 31 min |
| Aug 28, 3:39 PM PDT | Severe Thunderstorm Warning | REV | Lassen | 22 min |
| Aug 28, 4:23 PM PDT | Special Weather Statement | MFR | Siskiyou | 22 min |
| Aug 28, 4:47 PM PDT | Special Weather Statement | MFR | Siskiyou | 28 min |
| Aug 28, 5:28 PM PDT | Special Weather Statement | MFR | Siskiyou | 32 min |
| Aug 28, 6:01 PM PDT | Special Weather Statement | MFR | Modoc | 29 min |
| Aug 29, 3:15 AM PDT | Small Craft Advisory | MTR | 42 hr | |
| Aug 29, 5:56 AM PDT | Wind Advisory | LOX | 21 hr | |
| Aug 29, 9:09 AM PDT | Excessive Heat Warning | SGX | Riverside, San Bernardino, San Diego | 3 days |
| Aug 29, 1:16 PM PDT | Beach Hazards Statement | LOX | Los Angeles | 34 hr |
| Aug 30, 2:38 AM PDT | Small Craft Advisory | LOX | 24 hr | |
| Aug 30, 3:08 AM PDT | Small Craft Advisory | MTR | 11 days | |
| Aug 30, 1:34 PM PDT | Heat Advisory | SGX | Riverside, San Bernardino | 54 hr |
| Aug 30, 2:28 PM PDT | Excessive Heat Watch | LOX | 13 hr | |
| Aug 30, 2:28 PM PDT | Heat Advisory | LOX | Los Angeles, Santa Barbara | 54 hr |
| Aug 31, 2:56 AM PDT | Small Craft Advisory | MTR | 5 days | |
| Aug 31, 3:16 AM PDT | Excessive Heat Warning | LOX | 41 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 | |
| Severe Thunderstorm Warning | 4 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 31 |
| Flooding | |
| Flash Flood Warning | 4 |
| Areal Flood Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 18 |
| Excessive Heat Watch | 10 |
| Heat Advisory | 13 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
| Coast and beach | |
| Beach Hazards Statement | 3 |
| Marine | |
| Gale Warning | 4 |
| Hazardous Seas Warning | 1 |
| Gale Watch | 4 |
| Hazardous Seas Watch | 1 |
| Small Craft Advisory | 44 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County22
- Siskiyou County16
- Riverside County15
- Modoc County12
- San Diego County10
- Lassen County8
- Tehama County7
- Imperial County6
- Inyo County5
- Shasta County5
- Mono County4
- Trinity County4
- Alpine County3
- Marin County3
- Napa County3
- Sonoma County3
- Los Angeles County3
- Monterey County2
- San Benito County2
- Santa Cruz County2
- Orange County2
- Alameda County2
- Contra Costa County2
- Santa Barbara County2
- Tuolumne County1
- Del Norte County1
- Butte County1
- Glenn County1
- Tulare County1
- San Mateo County1
- Santa Clara County1
- Plumas County1
- Sierra 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.