Alert archive / California / Flash Flood Watches

Flash Flood Watches in California, 2011

35 flash flood watches in 2011. 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 2011. Tap one for its archive.

Flash Flood Watches
35
Busiest month
July18 flash flood watches
Busiest day
July 6, 20114 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
Feb 17, 1:46 PM PSTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego23 hr
Feb 17, 7:31 PM PSTFlash Flood WatchLOXLos Angeles, Santa Barbara55 hr
Feb 18, 1:12 PM PSTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego31 hr
Feb 25, 3:41 AM PSTFlash Flood WatchSGXRiverside, San Bernardino, San Diego36 hr
Mar 14, 11:41 AM PDTFlash Flood WatchSTO21 hr
Mar 19, 5:10 AM PDTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego45 hr
Mar 19, 6:18 AM PDTFlash Flood WatchLOXLos Angeles, Santa Barbara48 hr
Mar 19, 2:22 PM PDTFlash Flood WatchMTRMonterey, San Mateo, Santa Clara, Santa Cruz22 hr
Mar 22, 1:01 PM PDTFlash Flood WatchMTRMarin, Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz and 1 more19 hr
Jun 8, 6:52 PM PDTFlash Flood WatchHNX62 min
Jul 4, 9:37 AM PDTFlash Flood WatchVEFSan Bernardino11 hr
Jul 4, 2:14 PM PDTFlash Flood WatchLOX10 hr
Jul 4, 2:54 PM PDTFlash Flood WatchHNX30 hr
Jul 5, 2:21 PM PDTFlash Flood WatchREVMono30 hr
Jul 5, 9:21 PM PDTFlash Flood WatchHNX24 hr
Jul 6, 3:31 AM PDTFlash Flood WatchLOXSanta Barbara17 hr
Jul 6, 4:40 AM PDTFlash Flood WatchVEFInyo, San Bernardino17 hr
Jul 6, 1:01 PM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego7 hr
Jul 7, 3:39 AM PDTFlash Flood WatchHNX14 hr
Jul 7, 4:32 AM PDTFlash Flood WatchLOX14 hr
Jul 7, 9:33 AM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego9 hr
Jul 29, 1:30 PM PDTFlash Flood WatchHNX55 hr
Jul 29, 3:00 PM PDTFlash Flood WatchLOX48 hr
Jul 29, 3:16 PM PDTFlash Flood WatchVEFInyo, San Bernardino51 hr
Jul 30, 2:53 AM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego17 hr
Jul 30, 2:55 AM PDTFlash Flood WatchREVMono38 hr
Jul 30, 8:50 PM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego21 hr
Jul 31, 2:24 PM PDTFlash Flood WatchPSR6 hr
Aug 27, 9:05 AM PDTFlash Flood WatchLOX10 hr
Aug 28, 11:29 AM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego7 hr
Sep 12, 3:58 AM PDTFlash Flood WatchREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more18 hr
Sep 13, 1:53 AM PDTFlash Flood WatchREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more20 hr
Sep 13, 3:36 AM PDTFlash Flood WatchVEFSan Bernardino15 hr
Sep 13, 3:54 AM PDTFlash Flood WatchPSR17 hr
Sep 13, 5:42 AM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego15 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. July 6, 20114flash flood watches
  2. September 13, 20114flash flood watches
  3. March 19, 20113flash flood watches
  4. July 4, 20113flash flood watches
  5. July 7, 20113flash flood watches
  6. July 29, 20113flash flood watches
  7. February 18, 20112flash flood watches
  8. July 30, 20112flash flood watches
  9. July 31, 20112flash flood watches
  10. February 17, 20111flash flood watches
  11. February 25, 20111flash flood watches
  12. March 14, 20111flash flood watches

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. Warning verification from the Mesonet's Cow. Rebuilt daily.