Alert archive / California / Winter Storm Warnings

Winter Storm Warnings in California, 2010

116 winter storm warnings in 2010. 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 winter storm warnings reaches back to 2005.

Winter Storm Warnings by county

Each county as a circle sized by its count in 2010. Tap one for its archive.

Winter Storm Warnings
116
Busiest month
January21 winter storm warnings
Busiest day
February 25, 20106 winter storm 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 11, 2:55 PM PSTWinter Storm WarningSTO45 hr
Jan 11, 7:27 PM PSTWinter Storm WarningHNX38 hr
Jan 16, 1:26 PM PSTWinter Storm WarningMFRSiskiyou57 hr
Jan 16, 2:46 PM PSTWinter Storm WarningSTO6 days
Jan 16, 2:59 PM PSTWinter Storm WarningREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more58 hr
Jan 17, 3:59 AM PSTWinter Storm WarningHNX6 days
Jan 17, 9:27 AM PSTWinter Storm WarningVEFInyo41 hr
Jan 17, 1:58 PM PSTWinter Storm WarningLOX26 hr
Jan 18, 4:20 AM PSTWinter Storm WarningSGXRiverside, San Bernardino14 hr
Jan 18, 2:15 PM PSTWinter Storm WarningMFRSiskiyou32 hr
Jan 18, 2:31 PM PSTWinter Storm WarningEKA61 hr
Jan 19, 3:20 AM PSTWinter Storm WarningSGXRiverside, San Bernardino15 hr
Jan 19, 2:34 PM PSTWinter Storm WarningMFRSiskiyou37 hr
Jan 19, 3:05 PM PSTWinter Storm WarningVEFInyo61 hr
Jan 19, 3:34 PM PSTWinter Storm WarningREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more60 hr
Jan 19, 10:41 PM PSTWinter Storm WarningLOX71 hr
Jan 20, 4:06 AM PSTWinter Storm WarningSGXRiverside, San Bernardino18 hr
Jan 21, 3:58 AM PSTWinter Storm WarningSGXRiverside, San Bernardino, San Diego38 hr
Jan 23, 3:03 PM PSTWinter Storm WarningMFRSiskiyou34 hr
Jan 24, 3:33 AM PSTWinter Storm WarningSTO48 hr
Jan 25, 3:06 AM PSTWinter Storm WarningMFRModoc, Siskiyou28 hr
Feb 3, 2:12 PM PSTWinter Storm WarningMFRSiskiyou38 hr
Feb 4, 2:23 AM PSTWinter Storm WarningHNX3 days
Feb 4, 4:32 AM PSTWinter Storm WarningSTO23 hr
Feb 4, 2:17 PM PSTWinter Storm WarningVEFInyo67 hr
Feb 5, 2:34 AM PSTWinter Storm WarningSGXRiverside, San Bernardino41 hr
Feb 5, 3:11 AM PSTWinter Storm WarningLOX42 hr
Feb 8, 9:56 PM PSTWinter Storm WarningLOX36 hr
Feb 9, 2:31 AM PSTWinter Storm WarningSGXRiverside, San Bernardino, San Diego18 hr
Feb 9, 8:39 AM PSTWinter Storm WarningHNX22 hr
Feb 20, 9:53 PM PSTWinter Storm WarningREVLassen, Plumas, Sierra17 hr
Feb 22, 1:51 PM PSTWinter Storm WarningMFRSiskiyou40 hr
Feb 23, 3:29 AM PSTWinter Storm WarningHNX33 hr
Feb 23, 3:30 AM PSTWinter Storm WarningSTO33 hr
Feb 25, 3:16 AM PSTWinter Storm WarningMFRSiskiyou41 hr
Feb 25, 1:01 PM PSTWinter Storm WarningSTO38 hr
Feb 25, 2:02 PM PSTWinter Storm WarningVEFInyo54 hr
Feb 25, 2:12 PM PSTWinter Storm WarningHNX47 hr
Feb 25, 2:44 PM PSTWinter Storm WarningREVMono42 hr
Feb 25, 3:00 PM PSTWinter Storm WarningEKA31 hr
Feb 26, 12:58 PM PSTWinter Storm WarningLOX32 hr
Feb 26, 1:39 PM PSTWinter Storm WarningSGXRiverside, San Bernardino30 hr
Mar 2, 3:47 AM PSTWinter Storm WarningMFRSiskiyou30 hr
Mar 3, 3:56 AM PSTWinter Storm WarningSTO22 hr
Mar 9, 11:21 AM PSTWinter Storm WarningMFRSiskiyou16 hr
Mar 11, 4:10 AM PSTWinter Storm WarningMFRSiskiyou42 hr
Mar 11, 3:22 PM PSTWinter Storm WarningSTO35 hr
Mar 11, 4:00 PM PSTWinter Storm WarningHNX35 hr
Mar 29, 11:12 AM PDTWinter Storm WarningREVAlpine, El Dorado, Nevada, Placer36 hr
Mar 29, 1:07 PM PDTWinter Storm WarningHNX52 hr
Mar 29, 4:13 PM PDTWinter Storm WarningSTO26 hr
Apr 1, 3:40 PM PDTWinter Storm WarningMFRSiskiyou25 hr
Apr 2, 3:40 AM PDTWinter Storm WarningSTO23 hr
Apr 3, 2:25 PM PDTWinter Storm WarningEKA36 hr
Apr 3, 3:39 PM PDTWinter Storm WarningSTO42 hr
Apr 3, 7:20 PM PDTWinter Storm WarningHNX41 hr
Apr 4, 3:51 AM PDTWinter Storm WarningREVAlpine, El Dorado, Mono, Nevada, Placer29 hr
Apr 4, 4:08 AM PDTWinter Storm WarningMFRSiskiyou23 hr
Apr 4, 4:08 AM PDTWinter Storm WarningVEFInyo31 hr
Apr 4, 2:40 PM PDTWinter Storm WarningLOX21 hr
Apr 10, 2:26 PM PDTWinter Storm WarningMFRSiskiyou46 hr
Apr 10, 2:38 PM PDTWinter Storm WarningVEFInyo37 hr
Apr 10, 2:52 PM PDTWinter Storm WarningSTO36 hr
Apr 10, 2:56 PM PDTWinter Storm WarningREVMono36 hr
Apr 10, 3:40 PM PDTWinter Storm WarningHNX37 hr
Apr 11, 1:10 PM PDTWinter Storm WarningLOX21 hr
Apr 19, 3:15 PM PDTWinter Storm WarningHNX38 hr
Apr 21, 9:15 AM PDTWinter Storm WarningMFRSiskiyou3 hr
Apr 26, 4:06 PM PDTWinter Storm WarningSTO31 hr
May 10, 2:51 AM PDTWinter Storm WarningHNX26 hr
May 17, 7:53 AM PDTWinter Storm WarningHNX18 hr
May 24, 12:19 PM PDTWinter Storm WarningHNX4 days
Oct 4, 2:01 PM PDTWinter Storm WarningHNX27 hr
Oct 23, 4:07 PM PDTWinter Storm WarningSTO23 hr
Oct 28, 3:52 AM PDTWinter Storm WarningMFRSiskiyou25 hr
Nov 6, 2:50 AM PDTWinter Storm WarningSTO49 hr
Nov 6, 2:18 PM PDTWinter Storm WarningHNX41 hr
Nov 18, 2:42 PM PSTWinter Storm WarningHNX4 days
Nov 18, 2:44 PM PSTWinter Storm WarningSTO4 days
Nov 18, 3:00 PM PSTWinter Storm WarningREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more3 days
Nov 19, 2:19 AM PSTWinter Storm WarningMFRModoc, Siskiyou53 hr
Nov 19, 3:11 AM PSTWinter Storm WarningVEFInyo60 hr
Nov 19, 4:01 AM PSTWinter Storm WarningEKA48 hr
Nov 19, 2:29 PM PSTWinter Storm WarningLOX43 hr
Nov 20, 4:09 AM PSTWinter Storm WarningSGXRiverside, San Bernardino8 hr
Nov 20, 12:08 PM PSTWinter Storm WarningSGXRiverside, San Bernardino23 hr
Nov 22, 4:53 AM PSTWinter Storm WarningSTO37 hr
Nov 22, 5:02 AM PSTWinter Storm WarningREVAlpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more35 hr
Nov 22, 12:01 PM PSTWinter Storm WarningHNX30 hr
Nov 22, 12:48 PM PSTWinter Storm WarningMFRModoc, Siskiyou21 hr
Nov 25, 11:13 PM PSTWinter Storm WarningMFRSiskiyou38 hr
Nov 26, 2:55 AM PSTWinter Storm WarningHNX49 hr
Nov 26, 3:07 AM PSTWinter Storm WarningEKA36 hr
Nov 26, 3:37 AM PSTWinter Storm WarningSTO42 hr
Nov 27, 1:10 PM PSTWinter Storm WarningLOX20 hr
Nov 30, 4:08 AM PSTWinter Storm WarningMFRSiskiyou30 hr
Dec 5, 4:29 AM PSTWinter Storm WarningHNX22 hr
Dec 13, 3:29 PM PSTWinter Storm WarningSTO34 hr
Dec 16, 1:39 PM PSTWinter Storm WarningHNX4 days
Dec 16, 2:06 PM PSTWinter Storm WarningMFRSiskiyou4 days
Dec 16, 3:18 PM PSTWinter Storm WarningVEFInyo6 days
Dec 16, 4:08 PM PSTWinter Storm WarningREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more4 days
Dec 16, 4:15 PM PSTWinter Storm WarningSTO4 days
Dec 21, 3:20 AM PSTWinter Storm WarningLOX39 hr
Dec 21, 4:18 AM PSTWinter Storm WarningSGXRiverside, San Bernardino38 hr
Dec 21, 1:37 PM PSTWinter Storm WarningHNX29 hr
Dec 24, 9:28 PM PSTWinter Storm WarningHNX30 hr
Dec 25, 2:00 PM PSTWinter Storm WarningMFRSiskiyou24 hr
Dec 27, 3:01 PM PSTWinter Storm WarningSTO49 hr
Dec 27, 3:10 PM PSTWinter Storm WarningHNX59 hr
Dec 27, 9:51 PM PSTWinter Storm WarningREVAlpine, El Dorado, Mono, Nevada, Placer41 hr
Dec 28, 3:48 AM PSTWinter Storm WarningVEFInyo48 hr
Dec 28, 4:45 AM PSTWinter Storm WarningMFRModoc, Siskiyou23 hr
Dec 28, 12:30 PM PSTWinter Storm WarningLOX48 hr
Dec 28, 5:20 PM PSTWinter Storm WarningSGXRiverside, San Bernardino9 hr
Dec 29, 2:32 AM PSTWinter Storm WarningSGXRiverside, San Bernardino11 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 25, 20106winter storm warnings
  2. April 4, 20105winter storm warnings
  3. April 10, 20105winter storm warnings
  4. January 19, 20104winter storm warnings
  5. November 19, 20104winter storm warnings
  6. November 22, 20104winter storm warnings
  7. November 26, 20104winter storm warnings
  8. December 28, 20104winter storm warnings
  9. January 16, 20103winter storm warnings
  10. January 17, 20103winter storm warnings
  11. January 18, 20103winter storm warnings
  12. February 4, 20103winter storm warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20092011

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.