Alert archive / California / 2011
Weather alerts in California, August 2011
168 weather alerts in August 2011, 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 2011. Tap one for its archive.
- Alerts
- 168
- Warnings
- 60
- Watches
- 19
- Advisories
- 69
- Busiest day
- August 28, 201129 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, 5:06 PM PDT | Special Weather Statement | MFR | Siskiyou | 24 min |
| Jul 31, 7:07 PM PDT | Fire Weather Watch | MFR | Siskiyou | 14 hr |
| Aug 1, 4:32 AM PDT | Red Flag Warning | MFR | Siskiyou | 13 hr |
| Aug 1, 8:32 AM PDT | Small Craft Advisory | MTR | 14 hr | |
| Aug 1, 1:59 PM PDT | Flash Flood Warning | SGX | San Diego | 91 min |
| Aug 1, 2:09 PM PDT | Small Craft Advisory | EKA | 14 days | |
| Aug 1, 2:09 PM PDT | Flash Flood Warning | SGX | Riverside | 81 min |
| Aug 1, 2:11 PM PDT | Special Weather Statement | HNX | Mono | 49 min |
| Aug 1, 2:27 PM PDT | Small Craft Advisory | LOX | 5 days | |
| Aug 1, 2:29 PM PDT | Small Craft Advisory | MTR | 4 days | |
| Aug 1, 3:14 PM PDT | Flash Flood Warning | SGX | San Bernardino | 61 min |
| Aug 1, 3:19 PM PDT | Special Weather Statement | HNX | Kern | 56 min |
| Aug 1, 3:32 PM PDT | Special Weather Statement | HNX | Kern | 58 min |
| Aug 1, 3:47 PM PDT | Flash Flood Warning | VEF | San Bernardino | 67 min |
| Aug 1, 4:43 PM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Aug 1, 4:45 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 45 min |
| Aug 1, 4:48 PM PDT | Special Weather Statement | LOX | 27 min | |
| Aug 1, 5:06 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 39 min |
| Aug 1, 5:11 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 19 min |
| Aug 1, 5:29 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 46 min |
| Aug 1, 5:30 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 45 min |
| Aug 1, 5:35 PM PDT | Special Weather Statement | LOX | 55 min | |
| Aug 1, 6:21 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 72 min |
| Aug 1, 6:32 PM PDT | Areal Flood Advisory | VEF | Inyo | 94 min |
| Aug 1, 6:45 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 1, 7:40 PM PDT | Special Weather Statement | HNX | 50 min | |
| Aug 1, 8:30 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 45 min |
| Aug 2, 5:03 AM PDT | Excessive Heat Warning | PSR | 63 hr | |
| Aug 2, 3:31 PM PDT | Areal Flood Advisory | SGX | Riverside | 89 min |
| Aug 2, 4:05 PM PDT | Areal Flood Advisory | SGX | San Diego | 111 min |
| Aug 2, 4:29 PM PDT | Flash Flood Warning | SGX | San Diego | 81 min |
| Aug 2, 7:10 PM PDT | Fire Weather Watch | LOX | Los Angeles | 14 hr |
| Aug 2, 9:14 PM PDT | Small Craft Advisory | LOX | 60 hr | |
| Aug 3, 2:39 AM PDT | Small Craft Advisory | MTR | 45 hr | |
| Aug 3, 9:04 PM PDT | Small Craft Advisory | MTR | 24 hr | |
| Aug 4, 5:58 AM PDT | Dense Fog Advisory | LOX | 3 hr | |
| Aug 4, 9:37 PM PDT | Small Craft Advisory | MTR | 25 hr | |
| Aug 5, 12:51 PM PDT | High Surf Advisory | SGX | 21 hr | |
| Aug 5, 2:29 PM PDT | High Surf Advisory | LOX | Los Angeles | 18 hr |
| Aug 6, 8:40 AM PDT | Small Craft Advisory | MTR | 12 hr | |
| Aug 6, 2:22 PM PDT | Small Craft Advisory | LOX | 67 hr | |
| Aug 6, 5:27 PM PDT | Areal Flood Advisory | EKA | Trinity | 3 hr |
| Aug 6, 5:53 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 22 min |
| Aug 6, 6:10 PM PDT | Special Weather Statement | MFR | Siskiyou | 50 min |
| Aug 7, 2:25 AM PDT | Small Craft Advisory | MTR | 9 days | |
| Aug 7, 6:25 PM PDT | Special Weather Statement | MFR | Siskiyou | 20 min |
| Aug 7, 7:58 PM PDT | Special Weather Statement | MFR | Siskiyou | 32 min |
| Aug 8, 2:54 PM PDT | Small Craft Advisory for Hazardous Seas | EKA | 12 hr | |
| Aug 9, 9:04 AM PDT | Small Craft Advisory | LOX | 12 hr | |
| Aug 9, 9:03 PM PDT | Small Craft Advisory | LOX | 6 hr | |
| Aug 10, 2:37 AM PDT | Small Craft Advisory | MTR | 20 hr | |
| Aug 12, 8:44 PM PDT | Small Craft Advisory | LOX | 6 hr | |
| Aug 13, 1:50 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 25 min |
| Aug 13, 2:15 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 30 min |
| Aug 13, 2:28 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 45 min |
| Aug 13, 2:31 PM PDT | Small Craft Advisory | LOX | 12 hr | |
| Aug 13, 2:35 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 29 hr |
| Aug 13, 2:41 PM PDT | Special Weather Statement | SGX | 79 min | |
| Aug 13, 2:47 PM PDT | Fire Weather Watch | REV | 39 hr | |
| Aug 13, 3:11 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Aug 13, 4:22 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 113 min |
| Aug 13, 6:33 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 117 min |
| Aug 14, 2:31 PM PDT | Small Craft Advisory | LOX | 42 hr | |
| Aug 15, 3:06 AM PDT | Small Craft Advisory | LOX | 30 hr | |
| Aug 16, 2:40 AM PDT | Small Craft Advisory | EKA | 5 days | |
| Aug 16, 3:34 AM PDT | Small Craft Advisory | MTR | 17 hr | |
| Aug 16, 2:43 PM PDT | Small Craft Advisory | LOX | 4 days | |
| Aug 16, 8:38 PM PDT | Small Craft Advisory | EKA | 7 hr | |
| Aug 17, 2:41 PM PDT | Gale Watch | EKA | 18 hr | |
| Aug 17, 2:47 PM PDT | Small Craft Advisory | MTR | 53 hr | |
| Aug 17, 8:58 PM PDT | Gale Warning | LOX | 30 hr | |
| Aug 17, 8:58 PM PDT | Small Craft Advisory | LOX | 6 hr | |
| Aug 18, 2:24 AM PDT | Small Craft Advisory | MTR | 54 hr | |
| Aug 18, 2:42 AM PDT | Hazardous Seas Warning | EKA | 55 hr | |
| Aug 18, 4:20 AM PDT | Dense Fog Advisory | SGX | San Diego | 5 hr |
| Aug 19, 2:55 AM PDT | Gale Warning | EKA | 18 hr | |
| Aug 20, 2:21 AM PDT | Small Craft Advisory | MTR | 18 hr | |
| Aug 20, 3:35 AM PDT | Small Craft Advisory | LOX | 5 hr | |
| Aug 20, 2:32 PM PDT | Small Craft Advisory | MTR | 30 hr | |
| Aug 21, 4:30 AM PDT | Excessive Heat Watch | PSR | 10 hr | |
| Aug 21, 2:16 PM PDT | Excessive Heat Warning | PSR | 12 days | |
| Aug 22, 2:31 AM PDT | Small Craft Advisory | MTR | 19 hr | |
| Aug 22, 2:50 AM PDT | Excessive Heat Watch | VEF | Inyo, San Bernardino | 12 hr |
| Aug 22, 2:50 AM PDT | Excessive Heat Watch | VEF | Inyo, San Bernardino | 12 hr |
| Aug 22, 2:28 PM PDT | Small Craft Advisory | LOX | 19 hr | |
| Aug 22, 2:58 PM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 4 days |
| Aug 23, 2:33 AM PDT | Small Craft Advisory | MTR | 8 hr | |
| Aug 23, 2:43 AM PDT | Dense Fog Advisory | MTR | Marin, Monterey, San Benito, City and County of San Francisco, San Mateo, Santa Cruz and 1 more | 5 hr |
| Aug 23, 3:39 AM PDT | Marine Dense Fog Advisory | MTR | 4 hr | |
| Aug 23, 8:33 AM PDT | Dense Fog Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 87 min |
| Aug 23, 8:33 AM PDT | Marine Dense Fog Advisory | MTR | 87 min | |
| Aug 23, 9:09 AM PDT | Small Craft Advisory | LOX | 4 days | |
| Aug 23, 1:58 PM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 14 hr |
| Aug 23, 2:23 PM PDT | Fire Weather Watch | REV | Lassen, Modoc, Plumas, Sierra | 19 hr |
| Aug 24, 1:45 AM PDT | Small Craft Advisory | MTR | 21 hr | |
| Aug 24, 4:00 AM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 16 hr |
| Aug 24, 7:38 AM PDT | Dense Fog Advisory | MTR | Monterey, City and County of San Francisco, San Mateo, Santa Cruz | 101 min |
| Aug 25, 1:23 PM PDT | Excessive Heat Watch | SGX | Riverside, San Diego | 14 hr |
| Aug 25, 1:59 PM PDT | Small Craft Advisory | EKA | 9 days | |
| Aug 25, 2:46 PM PDT | Excessive Heat Watch | LOX | Los Angeles | 36 hr |
| Aug 26, 2:22 AM PDT | Small Craft Advisory | MTR | 21 hr | |
| Aug 26, 3:32 AM PDT | Excessive Heat Watch | LOX | Los Angeles | 24 hr |
| Aug 26, 12:57 PM PDT | Special Weather Statement | SGX | 63 min | |
| Aug 26, 1:50 PM PDT | Fire Weather Watch | MFR | Siskiyou | 7 hr |
| Aug 26, 2:46 PM PDT | Excessive Heat Watch | VEF | Inyo, San Bernardino | 13 hr |
| Aug 26, 3:08 PM PDT | Areal Flood Advisory | SGX | Riverside, San Bernardino, San Diego | 112 min |
| Aug 26, 3:12 PM PDT | Special Weather Statement | SGX | San Diego | 48 min |
| Aug 26, 4:11 PM PDT | Areal Flood Advisory | SGX | Riverside | 3 hr |
| Aug 26, 8:30 PM PDT | Red Flag Warning | MFR | Siskiyou | 22 hr |
| Aug 27, 2:50 AM PDT | Small Craft Advisory | MTR | 20 hr | |
| Aug 27, 2:50 AM PDT | Small Craft Advisory | MTR | 5 days | |
| Aug 27, 3:13 AM PDT | Small Craft Advisory | LOX | 6 hr | |
| Aug 27, 3:15 AM PDT | Excessive Heat Warning | LOX | Los Angeles | 17 hr |
| Aug 27, 3:19 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 24 hr |
| Aug 27, 9:05 AM PDT | Flash Flood Watch | LOX | 10 hr | |
| Aug 27, 12:21 PM PDT | Small Craft Advisory | LOX | 4 days | |
| Aug 27, 12:30 PM PDT | Special Weather Statement | SGX | 60 min | |
| Aug 27, 12:49 PM PDT | Flash Flood Warning | SGX | San Bernardino | 86 min |
| Aug 27, 1:37 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 30 min |
| Aug 27, 2:01 PM PDT | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Aug 27, 2:19 PM PDT | Excessive Heat Watch | LOX | Los Angeles | 12 hr |
| Aug 27, 2:24 PM PDT | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Aug 27, 2:28 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 92 min |
| Aug 27, 3:29 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 32 min |
| Aug 27, 3:33 PM PDT | Special Weather Statement | HNX | 42 min | |
| Aug 27, 4:00 PM PDT | Special Weather Statement | LOX | 60 min | |
| Aug 27, 4:11 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 49 min |
| Aug 27, 4:18 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 42 min |
| Aug 27, 4:31 PM PDT | Flash Flood Warning | VEF | San Bernardino | 119 min |
| Aug 27, 5:00 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 30 min |
| Aug 27, 5:20 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Aug 27, 5:32 PM PDT | Areal Flood Advisory | VEF | Inyo | 118 min |
| Aug 27, 5:40 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Aug 27, 6:33 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 27, 6:57 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 48 min |
| Aug 27, 9:46 PM PDT | Dust Storm Warning | PSR | 2 hr | |
| Aug 27, 10:02 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 58 min |
| Aug 27, 11:30 PM PDT | Dust Storm Warning | SGX | Riverside, San Diego | 3 hr |
| Aug 27, 11:59 PM PDT | Special Weather Statement | PSR | Imperial | 46 min |
| Aug 28, 2:10 AM PDT | Excessive Heat Warning | LOX | Los Angeles | 18 hr |
| Aug 28, 3:39 AM PDT | Excessive Heat Warning | PSR | 40 hr | |
| Aug 28, 3:39 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 40 hr |
| Aug 28, 11:29 AM PDT | Flash Flood Watch | SGX | Riverside, San Bernardino, San Diego | 7 hr |
| Aug 28, 1:39 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 81 min |
| Aug 28, 1:46 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 29 min |
| Aug 28, 2:14 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 31 min |
| Aug 28, 2:19 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 52 min |
| Aug 28, 2:37 PM PDT | Flash Flood Warning | VEF | San Bernardino | 113 min |
| Aug 28, 2:46 PM PDT | Gale Watch | EKA | 12 hr | |
| Aug 28, 2:47 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 43 min |
| Aug 28, 3:00 PM PDT | Special Weather Statement | PSR | Riverside | 60 min |
| Aug 28, 3:01 PM PDT | Flash Flood Warning | SGX | San Bernardino | 89 min |
| Aug 28, 3:11 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 34 min |
| Aug 28, 3:33 PM PDT | Flash Flood Warning | SGX | San Bernardino | 73 min |
| Aug 28, 3:47 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 66 min |
| Aug 28, 4:14 PM PDT | Special Weather Statement | PSR | Riverside | 46 min |
| Aug 28, 4:28 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Aug 28, 4:32 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 79 min |
| Aug 29, 2:27 AM PDT | Small Craft Advisory | MTR | 19 hr | |
| Aug 29, 3:09 AM PDT | Gale Warning | EKA | 5 days | |
| Aug 29, 3:35 PM PDT | Fire Weather Watch | REV | 16 hr | |
| Aug 29, 6:34 PM PDT | Coastal Flood Statement | LOX | Los Angeles | 19 hr |
| Aug 30, 2:30 AM PDT | Gale Warning | MTR | 48 hr | |
| Aug 30, 2:01 PM PDT | High Surf Advisory | LOX | Los Angeles | 4 days |
| Aug 30, 2:32 PM PDT | Small Craft Advisory | MTR | 43 hr | |
| Aug 30, 8:07 PM PDT | High Surf Advisory | SGX | San Diego | 4 days |
| Aug 31, 2:28 AM PDT | Small Craft Advisory | MTR | 17 hr | |
| Aug 31, 1:42 PM PDT | Freeze Warning | MFR | Modoc, Siskiyou | 19 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 | 21 |
| Special Weather Statement | 19 |
| Flooding | |
| Flash Flood Warning | 20 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 14 |
| Heat | |
| Excessive Heat Warning | 8 |
| Excessive Heat Watch | 8 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| Dust Storm Warning | 2 |
| Lake Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
| Coast and beach | |
| High Surf Advisory | 4 |
| Coastal Flood Statement | 1 |
| Marine | |
| Gale Warning | 4 |
| Hazardous Seas Warning | 1 |
| Gale Watch | 2 |
| Marine Dense Fog Advisory | 2 |
| Small Craft Advisory | 42 |
| Small Craft Advisory for Hazardous Seas | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County40
- San Diego County16
- Siskiyou County12
- Riverside County12
- Los Angeles County10
- Inyo County9
- Kern County5
- Modoc County4
- Monterey County3
- City and County of San Francisco3
- San Mateo County3
- Santa Cruz County3
- Marin County2
- Sonoma County2
- Imperial County2
- Mono County1
- Trinity County1
- Alpine County1
- El Dorado County1
- Nevada County1
- Placer County1
- San Benito County1
- Lassen County1
- Plumas County1
- Sierra County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.