Alert archive / California / Winter Storm Watches

Winter Storm Watches in California, 2015

30 winter storm watches in 2015. 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 watches reaches back to 2005.

Winter Storm Watches by county

Each county as a circle sized by its count in 2015. Tap one for its archive.

Winter Storm Watches
30
Busiest month
December15 winter storm watches
Busiest day
December 11, 20153 winter storm 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 5, 12:40 PM PSTWinter Storm WatchHNX14 hr
Feb 20, 1:41 PM PSTWinter Storm WatchVEFInyo25 hr
Feb 26, 3:33 AM PSTWinter Storm WatchSGXRiverside, San Bernardino, San Diego34 hr
Feb 26, 4:05 AM PSTWinter Storm WatchLOX35 hr
Apr 4, 2:39 PM PDTWinter Storm WatchMFRSiskiyou23 hr
Apr 5, 3:30 PM PDTWinter Storm WatchSTO12 hr
Apr 5, 3:44 PM PDTWinter Storm WatchEKA12 hr
May 12, 12:30 PM PDTWinter Storm WatchHNX24 hr
May 12, 2:22 PM PDTWinter Storm WatchSTO24 hr
Oct 2, 2:34 PM PDTWinter Storm WatchVEFInyo23 hr
Oct 3, 1:00 PM PDTWinter Storm WatchHNX15 hr
Oct 30, 1:01 PM PDTWinter Storm WatchHNX39 hr
Oct 30, 3:46 PM PDTWinter Storm WatchSTO40 hr
Nov 22, 1:31 PM PSTWinter Storm WatchSTO23 hr
Nov 22, 2:48 PM PSTWinter Storm WatchREVAlpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more21 hr
Dec 2, 3:30 AM PSTWinter Storm WatchSTO6 hr
Dec 7, 4:00 AM PSTWinter Storm WatchSTO35 hr
Dec 7, 2:52 PM PSTWinter Storm WatchREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more25 hr
Dec 8, 3:34 AM PSTWinter Storm WatchHNX11 hr
Dec 8, 4:03 AM PSTWinter Storm WatchVEFInyo10 hr
Dec 11, 5:06 AM PSTWinter Storm WatchSTO9 hr
Dec 11, 12:43 PM PSTWinter Storm WatchHNX25 hr
Dec 11, 2:50 PM PSTWinter Storm WatchMFRModoc, Siskiyou25 hr
Dec 12, 2:50 AM PSTWinter Storm WatchVEFInyo11 hr
Dec 15, 2:23 PM PSTWinter Storm WatchMFRModoc, Siskiyou20 hr
Dec 17, 1:33 PM PSTWinter Storm WatchSTO7 hr
Dec 18, 3:20 PM PSTWinter Storm WatchEKA17 hr
Dec 20, 4:58 AM PSTWinter Storm WatchMFRModoc, Siskiyou10 hr
Dec 22, 2:29 PM PSTWinter Storm WatchMFRSiskiyou13 hr
Dec 22, 2:48 PM PSTWinter Storm WatchEKA13 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.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20142016

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.