Alert archive / California / Flash Flood Watches

Flash Flood Watches in California, 2016

53 flash flood watches in 2016. 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 flash flood watches reaches back to 2005.

Flash Flood Watches by county

Each county as a circle sized by its count in 2016. Tap one for its archive.

Flash Flood Watches
53
Busiest month
January15 flash flood watches
Busiest day
January 4, 20164 flash flood watches

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 4, 10:48 AM PSTFlash Flood WatchMTRMonterey22 hr
Jan 4, 1:35 PM PSTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego39 hr
Jan 4, 2:40 PM PSTFlash Flood WatchLOXLos Angeles69 hr
Jan 4, 3:20 PM PSTFlash Flood WatchSTOCalaveras, Lake27 hr
Jan 4, 10:42 PM PSTFlash Flood WatchHNX22 hr
Jan 5, 2:04 PM PSTFlash Flood WatchMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more28 hr
Jan 5, 6:11 PM PSTFlash Flood WatchSTOCalaveras, Lake21 hr
Jan 5, 10:27 PM PSTFlash Flood WatchHNX30 hr
Jan 6, 4:28 AM PSTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego32 hr
Jan 15, 11:56 AM PSTFlash Flood WatchSTOAmador, Calaveras, El Dorado, Lake70 hr
Jan 16, 1:47 PM PSTFlash Flood WatchMTRMarin, Napa, Sonoma37 hr
Jan 17, 4:13 AM PSTFlash Flood WatchMFRSiskiyou14 hr
Jan 28, 11:12 AM PSTFlash Flood WatchSTOAmador, Calaveras, El Dorado44 hr
Jan 29, 11:16 AM PSTFlash Flood WatchHNX23 hr
Jan 30, 2:36 PM PSTFlash Flood WatchLOXLos Angeles27 hr
Mar 3, 12:32 PM PSTFlash Flood WatchHNX69 hr
Mar 3, 1:26 PM PSTFlash Flood WatchSTOCalaveras, El Dorado, Lake, Placer, Tuolumne62 hr
Mar 5, 7:28 AM PSTFlash Flood WatchMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more15 hr
Mar 5, 10:14 PM PSTFlash Flood WatchMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more5 hr
Mar 6, 5:16 AM PSTFlash Flood WatchMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more23 hr
Mar 9, 3:18 PM PSTFlash Flood WatchMTRAlameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more4 days
Mar 11, 7:34 AM PSTFlash Flood WatchLOX7 hr
Apr 9, 4:58 AM PDTFlash Flood WatchLOXLos Angeles39 hr
Apr 9, 11:59 AM PDTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego32 hr
May 5, 10:41 AM PDTFlash Flood WatchMFRModoc, Siskiyou34 hr
May 6, 1:20 AM PDTFlash Flood WatchLOXSanta Barbara19 hr
May 6, 3:18 AM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego17 hr
May 6, 1:02 PM PDTFlash Flood WatchHNX9 hr
May 7, 2:33 AM PDTFlash Flood WatchLOXSanta Barbara17 hr
May 7, 4:08 AM PDTFlash Flood WatchHNX16 hr
Jun 4, 2:19 PM PDTFlash Flood WatchMFRModoc, Siskiyou33 hr
Jun 6, 11:10 AM PDTFlash Flood WatchMFRModoc, Siskiyou13 hr
Aug 3, 2:54 AM PDTFlash Flood WatchVEFSan Bernardino50 hr
Aug 3, 8:48 AM PDTFlash Flood WatchPSR12 hr
Oct 12, 11:03 AM PDTFlash Flood WatchMFRSiskiyou42 hr
Oct 14, 12:42 PM PDTFlash Flood WatchMFRSiskiyou32 hr
Oct 14, 4:06 PM PDTFlash Flood WatchREVAlpine, El Dorado, Nevada, Placer60 hr
Oct 15, 1:50 PM PDTFlash Flood WatchMTRMonterey, San Mateo, Santa Clara, Santa Cruz30 hr
Oct 26, 3:45 AM PDTFlash Flood WatchMTRMonterey47 hr
Oct 26, 1:21 PM PDTFlash Flood WatchSGXSan Bernardino45 hr
Oct 26, 2:19 PM PDTFlash Flood WatchLOXLos Angeles44 hr
Oct 27, 2:55 PM PDTFlash Flood WatchREVAlpine, El Dorado, Nevada, Placer24 hr
Nov 19, 4:53 AM PSTFlash Flood WatchSGXSan Bernardino46 hr
Nov 19, 4:29 PM PSTFlash Flood WatchLOXLos Angeles38 hr
Dec 13, 10:00 AM PSTFlash Flood WatchMTRMarin, Monterey, Napa, San Mateo, Santa Clara, Santa Cruz and 1 more60 hr
Dec 13, 1:45 PM PSTFlash Flood WatchHNX61 hr
Dec 13, 4:52 PM PSTFlash Flood WatchMFRSiskiyou29 hr
Dec 14, 3:08 AM PSTFlash Flood WatchLOXLos Angeles57 hr
Dec 14, 9:12 AM PSTFlash Flood WatchSGXSan Bernardino51 hr
Dec 21, 11:47 PM PSTFlash Flood WatchPSR13 hr
Dec 22, 2:43 PM PSTFlash Flood WatchLOXLos Angeles37 hr
Dec 22, 7:06 PM PSTFlash Flood WatchSGXSan Bernardino35 hr
Dec 31, 4:38 AM PSTFlash Flood WatchLOXLos Angeles18 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. January 4, 20164flash flood watches
  2. January 6, 20163flash flood watches
  3. May 6, 20163flash flood watches
  4. October 26, 20163flash flood watches
  5. December 14, 20163flash flood watches
  6. January 5, 20162flash flood watches
  7. March 3, 20162flash flood watches
  8. March 6, 20162flash flood watches
  9. April 9, 20162flash flood watches
  10. May 7, 20162flash flood watches
  11. August 3, 20162flash flood watches
  12. October 14, 20162flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20152017

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.