Alert archive / California / Red Flag Warnings

Red Flag Warnings in California, 2024

84 red flag 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 red flag warnings reaches back to 2005.

Red Flag Warnings by county

Each county as a circle sized by its count in 2024. Tap one for its archive.

Red Flag Warnings
84
Busiest month
July30 red flag warnings
Busiest day
November 4, 20245 red flag 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
Jun 14, 10:50 AM PDTRed Flag WarningSTO4 days
Jun 14, 1:04 PM PDTRed Flag WarningEKA35 hr
Jun 16, 12:18 AM PDTRed Flag WarningEKA44 hr
Jun 16, 8:51 AM PDTRed Flag WarningLOXLos Angeles, Ventura57 hr
Jun 16, 10:10 AM PDTRed Flag WarningHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more47 hr
Jun 16, 12:06 PM PDTRed Flag WarningMTRNapa, Sonoma32 hr
Jun 17, 9:12 AM PDTRed Flag WarningLOXLos Angeles33 hr
Jun 22, 2:28 PM PDTRed Flag WarningMFRModoc30 hr
Jun 24, 2:44 PM PDTRed Flag WarningMFRModoc29 hr
Jun 25, 12:29 PM PDTRed Flag WarningREVLassen, Modoc35 hr
Jun 25, 1:49 PM PDTRed Flag WarningMFRModoc30 hr
Jun 29, 9:44 AM PDTRed Flag WarningSTO4 days
Jun 30, 3:24 AM PDTRed Flag WarningEKA4 days
Jun 30, 8:28 PM PDTRed Flag WarningMTRAlameda, Contra Costa, Marin, Napa, San Mateo, Santa Clara and 2 more6 days
Jul 3, 12:47 PM PDTRed Flag WarningMTRMonterey, San Benito3 days
Jul 3, 3:15 PM PDTRed Flag WarningLOXLos Angeles, San Luis Obispo, Santa Barbara, Ventura5 days
Jul 4, 10:38 AM PDTRed Flag WarningHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more4 days
Jul 4, 2:57 PM PDTRed Flag WarningEKA56 hr
Jul 5, 2:21 PM PDTRed Flag WarningMFRSiskiyou30 hr
Jul 6, 1:46 PM PDTRed Flag WarningMFRSiskiyou30 hr
Jul 6, 3:45 PM PDTRed Flag WarningEKA31 hr
Jul 8, 1:33 PM PDTRed Flag WarningLOXSanta Barbara37 hr
Jul 11, 12:31 PM PDTRed Flag WarningHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne3 days
Jul 11, 1:09 PM PDTRed Flag WarningVEFInyo, Tulare3 days
Jul 11, 1:29 PM PDTRed Flag WarningMFRModoc, Siskiyou31 hr
Jul 12, 9:28 AM PDTRed Flag WarningREVMadera, Mono13 hr
Jul 12, 10:20 AM PDTRed Flag WarningSTO61 hr
Jul 12, 1:22 PM PDTRed Flag WarningMFRModoc, Siskiyou56 hr
Jul 12, 1:34 PM PDTRed Flag WarningREVEl Dorado, Lassen, Madera, Modoc, Mono, Nevada and 3 more54 hr
Jul 13, 3:23 AM PDTRed Flag WarningEKA43 hr
Jul 13, 9:21 AM PDTRed Flag WarningLOXLos Angeles, San Luis Obispo, Santa Barbara, Ventura12 hr
Jul 13, 10:28 AM PDTRed Flag WarningSGXRiverside, San Bernardino35 hr
Jul 13, 2:06 PM PDTRed Flag WarningMFRSiskiyou31 hr
Jul 14, 2:05 PM PDTRed Flag WarningMFRSiskiyou31 hr
Jul 14, 10:13 PM PDTRed Flag WarningEKA23 hr
Jul 15, 2:05 PM PDTRed Flag WarningMFRModoc, Siskiyou33 hr
Jul 23, 8:19 AM PDTRed Flag WarningMFRModoc36 hr
Jul 24, 11:01 AM PDTRed Flag WarningREVLassen, Modoc, Plumas, Sierra34 hr
Jul 24, 1:28 PM PDTRed Flag WarningMFRModoc, Siskiyou32 hr
Jul 25, 9:19 AM PDTRed Flag WarningSTO38 hr
Jul 25, 11:17 AM PDTRed Flag WarningHNXKern, Tulare4 days
Jul 26, 3:32 AM PDTRed Flag WarningMFRModoc16 hr
Jul 31, 1:23 PM PDTRed Flag WarningMFRSiskiyou31 hr
Aug 1, 9:40 AM PDTRed Flag WarningHNXFresno, Kern, Tulare34 hr
Aug 1, 9:44 AM PDTRed Flag WarningLOXLos Angeles, Santa Barbara, Ventura34 hr
Aug 2, 11:35 AM PDTRed Flag WarningMFRModoc, Siskiyou35 hr
Aug 11, 1:21 PM PDTRed Flag WarningREVEl Dorado, Lassen, Nevada, Placer, Sierra31 hr
Aug 16, 12:12 PM PDTRed Flag WarningMFRModoc, Siskiyou32 hr
Aug 16, 1:37 PM PDTRed Flag WarningREVEl Dorado, Lassen, Madera, Modoc, Mono, Nevada and 2 more33 hr
Aug 21, 12:40 PM PDTRed Flag WarningREVLassen, Modoc33 hr
Aug 21, 1:15 PM PDTRed Flag WarningMFRModoc31 hr
Sep 1, 12:56 PM PDTRed Flag WarningREVEl Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more31 hr
Sep 1, 1:32 PM PDTRed Flag WarningMFRModoc30 hr
Sep 5, 9:23 AM PDTRed Flag WarningLOXLos Angeles, San Luis Obispo, Santa Barbara, Ventura7 days
Sep 9, 11:59 AM PDTRed Flag WarningREVMadera, Mono56 hr
Sep 29, 10:04 AM PDTRed Flag WarningEKA49 hr
Sep 29, 11:59 AM PDTRed Flag WarningMFRSiskiyou47 hr
Sep 30, 1:55 PM PDTRed Flag WarningLOXLos Angeles, San Luis Obispo, Santa Barbara, Ventura3 days
Oct 1, 11:49 AM PDTRed Flag WarningMTRMonterey, San Benito56 hr
Oct 3, 9:10 AM PDTRed Flag WarningREVLassen, Modoc35 hr
Oct 3, 12:58 PM PDTRed Flag WarningMFRModoc31 hr
Oct 4, 4:08 AM PDTRed Flag WarningEKA16 hr
Oct 4, 10:28 AM PDTRed Flag WarningMTRAlameda, Contra Costa, Monterey, San Benito, San Mateo, Santa Clara and 1 more23 hr
Oct 15, 9:16 AM PDTRed Flag WarningSTO4 days
Oct 15, 9:46 AM PDTRed Flag WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more4 days
Oct 15, 10:30 AM PDTRed Flag WarningEKA4 days
Oct 17, 1:19 PM PDTRed Flag WarningSGXOrange, Riverside, San Bernardino, San Diego31 hr
Oct 17, 1:51 PM PDTRed Flag WarningLOXLos Angeles, Ventura52 hr
Oct 18, 9:25 AM PDTRed Flag WarningHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more32 hr
Oct 27, 11:08 AM PDTRed Flag WarningREVMadera, Mono8 hr
Nov 2, 1:12 PM PDTRed Flag WarningSGXRiverside, San Bernardino54 hr
Nov 2, 2:15 PM PDTRed Flag WarningLOXLos Angeles, Ventura53 hr
Nov 4, 1:30 AM PSTRed Flag WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more3 days
Nov 4, 10:48 AM PSTRed Flag WarningEKA68 hr
Nov 4, 12:16 PM PSTRed Flag WarningSGXOrange, Riverside, San Bernardino, San Diego4 days
Nov 4, 12:30 PM PSTRed Flag WarningSTO67 hr
Nov 4, 3:34 PM PSTRed Flag WarningLOXLos Angeles, San Luis Obispo, Santa Barbara, Ventura4 days
Nov 6, 9:41 AM PSTRed Flag WarningLOXLos Angeles11 hr
Nov 19, 11:57 AM PSTRed Flag WarningREVMadera, Mono31 hr
Nov 22, 8:28 AM PSTRed Flag WarningREVMadera, Mono11 hr
Dec 7, 12:54 PM PSTRed Flag WarningSGXOrange, Riverside, San Bernardino, San Diego4 days
Dec 7, 2:36 PM PSTRed Flag WarningLOXLos Angeles, San Luis Obispo, Santa Barbara, Ventura4 days
Dec 16, 1:54 PM PSTRed Flag WarningLOXLos Angeles, Ventura49 hr
Dec 29, 2:20 PM PSTRed Flag WarningLOXLos Angeles, Ventura43 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. November 4, 20245red flag warnings
  2. June 16, 20244red flag warnings
  3. July 12, 20244red flag warnings
  4. July 13, 20244red flag warnings
  5. July 11, 20243red flag warnings
  6. October 15, 20243red flag warnings
  7. June 14, 20242red flag warnings
  8. June 25, 20242red flag warnings
  9. July 3, 20242red flag warnings
  10. July 4, 20242red flag warnings
  11. July 6, 20242red flag warnings
  12. July 15, 20242red flag 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.