Alert archive / California / River Flood Warnings

River Flood Warnings in California, 2024

40 river flood warnings in 2024. 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 2024. Tap one for its archive.

River Flood Warnings
40
Busiest month
February15 river flood warnings
Busiest day
February 4, 20249 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.

IssuedProductOfficeCountiesLasted
Jan 13, 10:03 AM PSTRiver Flood WarningEKAHumboldt20 hr
Jan 13, 3:11 PM PSTRiver Flood WarningEKAMendocino19 hr
Jan 13, 3:51 PM PSTRiver Flood WarningEKADel Norte6 hr
Jan 13, 3:54 PM PSTRiver Flood WarningEKADel Norte10 hr
Jan 22, 12:39 PM PSTRiver Flood WarningSGXSan Diego12 hr
Jan 23, 1:20 AM PSTRiver Flood WarningSGXSan Diego5 hr
Jan 31, 4:21 AM PSTRiver Flood WarningEKAMendocino30 hr
Jan 31, 4:24 AM PSTRiver Flood WarningEKAMendocino29 hr
Feb 1, 10:31 AM PSTRiver Flood WarningSGXSan Diego4 hr
Feb 3, 4:13 PM PSTRiver Flood WarningMTRSanta Clara7 min
Feb 3, 4:24 PM PSTRiver Flood WarningMTRSanta Clara22 hr
Feb 3, 4:55 PM PSTRiver Flood WarningMTRMonterey21 hr
Feb 3, 5:02 PM PSTRiver Flood WarningMTRSanta Cruz20 hr
Feb 4, 8:29 AM PSTRiver Flood WarningEKAMendocino29 hr
Feb 4, 8:36 AM PSTRiver Flood WarningSTOTehama21 days
Feb 4, 10:14 AM PSTRiver Flood WarningLOXVentura14 hr
Feb 4, 1:39 PM PSTRiver Flood WarningSTOTehama37 hr
Feb 4, 1:55 PM PSTRiver Flood WarningEKAMendocino19 hr
Feb 6, 4:28 AM PSTRiver Flood WarningSGXSan Diego53 hr
Feb 18, 8:31 PM PSTRiver Flood WarningEKAMendocino7 hr
Feb 18, 8:58 PM PSTRiver Flood WarningSTOTehama42 hr
Feb 19, 2:49 PM PSTRiver Flood WarningSTOButte, Glenn40 hr
Feb 19, 8:56 PM PSTRiver Flood WarningSTOTehama21 hr
Mar 30, 1:17 PM PDTRiver Flood WarningSGXSan Diego37 hr
Nov 21, 8:40 AM PSTRiver Flood WarningEKAHumboldt47 hr
Nov 21, 8:40 AM PSTRiver Flood WarningEKAMendocino44 hr
Nov 21, 8:40 AM PSTRiver Flood WarningEKAMendocino38 hr
Nov 21, 8:40 AM PSTRiver Flood WarningEKAHumboldt27 hr
Nov 21, 8:51 AM PSTRiver Flood WarningEKAHumboldt26 hr
Nov 21, 2:04 PM PSTRiver Flood WarningSTOTehama51 hr
Nov 21, 8:23 PM PSTRiver Flood WarningMTRSonoma53 hr
Nov 22, 9:30 AM PSTRiver Flood WarningSTOTehama31 hr
Nov 23, 4:06 PM PSTRiver Flood WarningSTOButte, Glenn12 hr
Dec 13, 8:56 AM PSTRiver Flood WarningEKAMendocino37 hr
Dec 13, 8:59 AM PSTRiver Flood WarningEKAMendocino40 hr
Dec 14, 4:08 PM PSTRiver Flood WarningSTOTehama15 hr
Dec 26, 11:50 AM PSTRiver Flood WarningEKAMendocino28 hr
Dec 29, 8:18 AM PSTRiver Flood WarningEKADel Norte3 hr
Dec 29, 11:41 AM PSTRiver Flood WarningEKAMendocino11 hr
Dec 29, 6:23 PM PSTRiver Flood WarningEKAHumboldt10 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 4, 20249river flood warnings
  2. November 21, 20246river flood warnings
  3. January 13, 20244river flood warnings
  4. February 19, 20243river flood warnings
  5. January 31, 20242river flood warnings
  6. November 22, 20242river flood warnings
  7. December 13, 20242river flood warnings
  8. December 29, 20242river flood warnings
  9. January 22, 20241river flood warnings
  10. January 23, 20241river flood warnings
  11. February 1, 20241river flood warnings
  12. February 6, 20241river flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20232025

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.