Alert archive / California / River Flood Warnings
River Flood Warnings in California, 2019
51 river flood warnings in 2019. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in 2019. Tap one for its archive.
- River Flood Warnings
- 51
- Busiest month
- February40 river flood warnings
- Busiest day
- February 14, 201911 river flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jan 16, 8:18 PM PST | River Flood Warning | EKA | Mendocino | 13 hr |
| Jan 16, 10:13 PM PST | River Flood Warning | MTR | Santa Clara | 6 hr |
| Jan 17, 1:32 AM PST | River Flood Warning | STO | Tehama | 28 hr |
| Jan 17, 3:48 AM PST | River Flood Warning | MTR | Monterey | 5 hr |
| Jan 17, 8:16 AM PST | River Flood Warning | LOX | Ventura | 4 hr |
| Feb 2, 9:45 AM PST | River Flood Warning | SGX | San Diego | 12 hr |
| Feb 2, 11:36 AM PST | River Flood Warning | LOX | Ventura | 3 hr |
| Feb 13, 9:06 AM PST | River Flood Warning | SGX | San Diego | 50 hr |
| Feb 13, 9:06 AM PST | River Flood Warning | SGX | San Diego | 52 hr |
| Feb 13, 9:19 AM PST | River Flood Warning | STO | Tehama | 21 days |
| Feb 13, 9:25 AM PST | River Flood Warning | EKA | Mendocino | 43 hr |
| Feb 13, 9:25 AM PST | River Flood Warning | EKA | Humboldt | 43 hr |
| Feb 13, 9:28 AM PST | River Flood Warning | MTR | Napa | 21 days |
| Feb 13, 2:35 PM PST | River Flood Warning | MTR | Santa Clara | 3 hr |
| Feb 13, 2:35 PM PST | River Flood Warning | MTR | Napa | 28 hr |
| Feb 13, 5:46 PM PST | River Flood Warning | MTR | Sonoma | 49 hr |
| Feb 13, 8:43 PM PST | River Flood Warning | STO | Tehama | 21 days |
| Feb 13, 8:44 PM PST | River Flood Warning | STO | Amador, El Dorado, Sacramento | 36 hr |
| Feb 13, 8:46 PM PST | River Flood Warning | MTR | Monterey | 21 days |
| Feb 14, 2:15 AM PST | River Flood Warning | MTR | Santa Clara | 14 hr |
| Feb 14, 3:32 AM PST | River Flood Warning | STO | Tehama | 29 hr |
| Feb 14, 3:32 AM PST | River Flood Warning | STO | Butte, Glenn | 21 days |
| Feb 14, 10:00 AM PST | River Flood Warning | STO | Yolo | 14 hr |
| Feb 14, 10:00 AM PST | River Flood Warning | STO | Yolo | 28 hr |
| Feb 14, 10:30 AM PST | River Flood Warning | SGX | San Diego | 20 hr |
| Feb 14, 10:30 AM PST | River Flood Warning | SGX | San Bernardino | 30 hr |
| Feb 14, 10:44 PM PST | River Flood Warning | SGX | San Bernardino | 16 hr |
| Feb 25, 3:13 PM PST | River Flood Warning | EKA | Mendocino | 58 hr |
| Feb 25, 3:13 PM PST | River Flood Warning | EKA | Humboldt | 71 hr |
| Feb 25, 3:13 PM PST | River Flood Warning | EKA | Mendocino | 59 hr |
| Feb 25, 9:49 PM PST | River Flood Warning | STO | Lake | 22 days |
| Feb 25, 11:26 PM PST | River Flood Warning | MTR | Sonoma | 4 days |
| Feb 25, 11:26 PM PST | River Flood Warning | MTR | Napa | 21 days |
| Feb 26, 2:51 AM PST | River Flood Warning | STO | Tehama | 21 days |
| Feb 26, 4:28 AM PST | River Flood Warning | MTR | Napa | 21 days |
| Feb 26, 9:37 AM PST | River Flood Warning | STO | Yolo | 21 days |
| Feb 26, 9:57 AM PST | River Flood Warning | STO | Tehama | 21 days |
| Feb 26, 10:58 AM PST | River Flood Warning | MTR | Sonoma | 21 days |
| Feb 26, 3:41 PM PST | River Flood Warning | STO | Butte, Glenn | 21 days |
| Feb 26, 3:46 PM PST | River Flood Warning | STO | Yolo | 21 days |
| Feb 26, 4:08 PM PST | River Flood Warning | MTR | Monterey | 21 days |
| Feb 26, 9:12 PM PST | River Flood Warning | STO | Butte, Glenn | 21 days |
| Feb 27, 2:56 AM PST | River Flood Warning | EKA | Humboldt | 17 hr |
| Feb 27, 3:16 AM PST | River Flood Warning | STO | Tehama | 27 hr |
| Feb 27, 7:30 AM PST | River Flood Warning | EKA | Humboldt | 16 hr |
| Mar 3, 9:06 AM PST | River Flood Warning | STO | Solano, Yolo | 36 hr |
| Mar 5, 1:27 PM PST | River Flood Warning | STO | Tehama | 21 days |
| Mar 6, 8:56 AM PST | River Flood Warning | STO | Butte, Glenn | 21 days |
| Apr 10, 8:19 AM PDT | River Flood Warning | MFR | Modoc | 33 hr |
| Jun 6, 8:40 AM PDT | River Flood Warning | HNX | Mariposa | 25 hr |
| Jun 12, 8:49 AM PDT | River Flood Warning | HNX | Mariposa | 48 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Tehama County8
- Yolo County5
- Mendocino County4
- San Diego County4
- Humboldt County4
- Napa County4
- Butte County4
- Glenn County4
- Santa Clara County3
- Monterey County3
- Sonoma County3
- Ventura County2
- San Bernardino County2
- Mariposa County2
- Amador County1
- El Dorado County1
- Sacramento County1
- Lake County1
- Solano County1
- Modoc County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Warning verification from the Mesonet's Cow. Rebuilt daily.