Alert archive / California / Winter Weather Advisories

Winter Weather Advisories in California, 2012

158 winter weather advisories in 2012. 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 weather advisories reaches back to 2005.

Winter Weather Advisories by county

Each county as a circle sized by its count in 2012. Tap one for its archive.

Winter Weather Advisories: 158
Busiest month: December41 winter weather advisories
Busiest day: December 24, 20128 winter weather advisories

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.

Issued	Product	Office	Counties	Lasted
Jan 16, 4:51 PM PST	Winter Weather Advisory	EKA		41 hr
Jan 17, 4:15 AM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	66 hr
Jan 17, 1:15 PM PST	Winter Weather Advisory	HNX		62 hr
Jan 17, 3:05 PM PST	Winter Weather Advisory	REV	Lassen, Modoc, Plumas, Sierra	21 hr
Jan 17, 3:46 PM PST	Winter Weather Advisory	STO		24 hr
Jan 18, 4:00 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	36 hr
Jan 19, 10:51 AM PST	Winter Weather Advisory	STO		9 hr
Jan 19, 3:16 PM PST	Winter Weather Advisory	REV	Lassen, Modoc, Plumas, Sierra	43 hr
Jan 19, 8:11 PM PST	Winter Weather Advisory	STO		8 hr
Jan 20, 3:26 AM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	36 hr
Jan 20, 3:41 AM PST	Winter Weather Advisory	STO		37 hr
Jan 20, 4:15 AM PST	Winter Weather Advisory	EKA		35 hr
Jan 20, 3:28 PM PST	Winter Weather Advisory	EKA		23 hr
Jan 22, 2:25 AM PST	Winter Weather Advisory	MFR	Modoc	27 hr
Jan 22, 3:16 AM PST	Winter Weather Advisory	EKA		13 hr
Jan 22, 3:31 AM PST	Winter Weather Advisory	HNX		38 hr
Jan 22, 4:00 AM PST	Winter Weather Advisory	REV	Modoc	29 hr
Jan 22, 1:20 PM PST	Winter Weather Advisory	SGX	Riverside, San Diego	34 hr
Jan 22, 2:33 PM PST	Winter Weather Advisory	STO		5 hr
Jan 22, 3:12 PM PST	Winter Weather Advisory	VEF		28 hr
Feb 6, 1:15 PM PST	Winter Weather Advisory	LOX		20 hr
Feb 11, 2:23 PM PST	Winter Weather Advisory	STO		50 hr
Feb 11, 3:01 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	43 hr
Feb 11, 3:15 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more	41 hr
Feb 12, 2:45 AM PST	Winter Weather Advisory	HNX		43 hr
Feb 12, 1:20 PM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino, San Diego	45 hr
Feb 12, 3:38 PM PST	Winter Weather Advisory	LOX		35 hr
Feb 13, 10:38 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more	33 hr
Feb 15, 12:38 AM PST	Winter Weather Advisory	STO		5 hr
Feb 15, 2:51 AM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino, San Diego	10 hr
Feb 15, 4:00 AM PST	Winter Weather Advisory	VEF	San Bernardino	18 hr
Feb 15, 4:33 AM PST	Winter Weather Advisory	LOX		22 hr
Feb 15, 6:26 AM PST	Winter Weather Advisory	HNX		8 hr
Feb 15, 12:23 PM PST	Winter Weather Advisory	SGX	San Bernardino	25 hr
Feb 15, 2:03 PM PST	Winter Weather Advisory	PSR		17 hr
Feb 24, 3:35 AM PST	Winter Weather Advisory	MFR	Siskiyou	34 hr
Feb 26, 3:19 AM PST	Winter Weather Advisory	SGX	San Bernardino	18 hr
Feb 26, 8:55 PM PST	Winter Weather Advisory	HNX		24 hr
Feb 26, 9:15 PM PST	Winter Weather Advisory	LOX		25 hr
Feb 26, 10:18 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Nevada, Placer	21 hr
Feb 27, 4:45 AM PST	Winter Weather Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	21 hr
Feb 27, 8:51 AM PST	Winter Weather Advisory	STO		6 hr
Feb 27, 12:47 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	69 hr
Feb 27, 3:45 PM PST	Winter Weather Advisory	EKA		63 hr
Feb 28, 4:36 AM PST	Winter Weather Advisory	REV	Modoc	53 hr
Feb 28, 1:24 PM PST	Winter Weather Advisory	HNX		37 hr
Feb 29, 9:53 AM PST	Winter Weather Advisory	STO		26 hr
Mar 5, 2:18 AM PST	Winter Weather Advisory	STO		32 hr
Mar 10, 4:19 AM PST	Winter Weather Advisory	MFR	Siskiyou	35 hr
Mar 11, 3:02 PM PDT	Winter Weather Advisory	MFR	Modoc, Siskiyou	46 hr
Mar 12, 3:31 PM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Nevada, Placer	43 hr
Mar 16, 1:40 PM PDT	Winter Weather Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	55 hr
Mar 16, 2:31 PM PDT	Winter Weather Advisory	LOX	Santa Barbara	44 hr
Mar 16, 3:38 PM PDT	Winter Weather Advisory	HNX		43 hr
Mar 17, 3:41 PM PDT	Winter Weather Advisory	STO		26 hr
Mar 18, 9:17 PM PDT	Winter Weather Advisory	SGX	Riverside, San Bernardino, San Diego	16 hr
Mar 19, 3:24 PM PDT	Winter Weather Advisory	EKA		19 hr
Mar 21, 2:27 PM PDT	Winter Weather Advisory	MFR	Siskiyou	15 hr
Mar 23, 2:40 AM PDT	Winter Weather Advisory	MFR	Siskiyou	33 hr
Mar 23, 3:29 PM PDT	Winter Weather Advisory	EKA		21 hr
Mar 23, 4:19 PM PDT	Winter Weather Advisory	STO		42 hr
Mar 24, 3:00 AM PDT	Winter Weather Advisory	SGX	Riverside, San Diego	48 hr
Mar 24, 4:35 AM PDT	Winter Weather Advisory	STO		33 hr
Mar 24, 3:47 PM PDT	Winter Weather Advisory	VEF	Inyo	36 hr
Mar 26, 3:30 AM PDT	Winter Weather Advisory	EKA		24 hr
Mar 26, 3:37 AM PDT	Winter Weather Advisory	SGX	Riverside, San Diego	6 hr
Mar 26, 12:55 PM PDT	Winter Weather Advisory	HNX		49 hr
Mar 26, 2:59 PM PDT	Winter Weather Advisory	MFR	Siskiyou	39 hr
Mar 26, 3:18 PM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	44 hr
Mar 27, 9:50 PM PDT	Winter Weather Advisory	STO		5 hr
Mar 28, 2:30 AM PDT	Winter Weather Advisory	STO		10 hr
Mar 28, 6:24 AM PDT	Winter Weather Advisory	MFR	Siskiyou	3 hr
Mar 30, 1:25 PM PDT	Winter Weather Advisory	HNX		53 hr
Mar 30, 2:05 PM PDT	Winter Weather Advisory	MFR	Siskiyou	36 hr
Mar 30, 3:01 PM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	36 hr
Mar 31, 3:18 AM PDT	Winter Weather Advisory	EKA		20 hr
Mar 31, 3:35 AM PDT	Winter Weather Advisory	STO		19 hr
Mar 31, 3:41 AM PDT	Winter Weather Advisory	LOX		38 hr
Apr 3, 10:27 PM PDT	Winter Weather Advisory	EKA		23 hr
Apr 5, 8:42 AM PDT	Winter Weather Advisory	MFR	Modoc	3 hr
Apr 10, 2:21 AM PDT	Winter Weather Advisory	STO		42 hr
Apr 10, 2:33 AM PDT	Winter Weather Advisory	SGX	San Bernardino	38 hr
Apr 10, 3:12 AM PDT	Winter Weather Advisory	LOX		38 hr
Apr 10, 2:24 PM PDT	Winter Weather Advisory	HNX		26 hr
Apr 11, 3:33 PM PDT	Winter Weather Advisory	MFR	Siskiyou	18 hr
Apr 12, 3:25 AM PDT	Winter Weather Advisory	EKA		31 hr
Apr 12, 3:52 AM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	35 hr
Apr 12, 4:43 AM PDT	Winter Weather Advisory	LOX		46 hr
Apr 12, 9:17 AM PDT	Winter Weather Advisory	MFR	Siskiyou	23 hr
Apr 13, 10:38 PM PDT	Winter Weather Advisory	MFR	Siskiyou	5 hr
May 24, 2:36 PM PDT	Winter Weather Advisory	STO		31 hr
Jun 4, 10:51 AM PDT	Winter Weather Advisory	STO		16 hr
Oct 20, 3:18 PM PDT	Winter Weather Advisory	MFR	Siskiyou	64 hr
Oct 21, 2:40 PM PDT	Winter Weather Advisory	STO		38 hr
Oct 21, 3:16 PM PDT	Winter Weather Advisory	REV	Modoc, Mono	39 hr
Oct 21, 3:24 PM PDT	Winter Weather Advisory	EKA		38 hr
Oct 22, 8:58 AM PDT	Winter Weather Advisory	EKA		20 hr
Oct 22, 10:12 AM PDT	Winter Weather Advisory	MFR	Siskiyou	21 hr
Oct 23, 5:25 AM PDT	Winter Weather Advisory	EKA		32 hr
Oct 23, 5:48 AM PDT	Winter Weather Advisory	STO		35 hr
Oct 23, 1:50 PM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	25 hr
Oct 23, 3:36 PM PDT	Winter Weather Advisory	MFR	Siskiyou	17 hr
Nov 5, 2:51 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	4 days
Nov 6, 2:49 PM PST	Winter Weather Advisory	STO		3 days
Nov 7, 2:50 AM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	55 hr
Nov 7, 3:43 AM PST	Winter Weather Advisory	EKA		48 hr
Nov 9, 3:51 AM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino, San Diego	30 hr
Nov 9, 10:13 AM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	23 hr
Nov 15, 2:57 AM PST	Winter Weather Advisory	MFR	Siskiyou	64 hr
Nov 15, 3:17 PM PST	Winter Weather Advisory	HNX		67 hr
Nov 15, 3:24 PM PST	Winter Weather Advisory	STO		49 hr
Nov 16, 2:22 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Nevada, Placer	44 hr
Nov 16, 2:22 PM PST	Winter Weather Advisory	VEF	Inyo	24 hr
Nov 20, 3:31 AM PST	Winter Weather Advisory	STO		32 hr
Nov 27, 2:48 AM PST	Winter Weather Advisory	MFR	Siskiyou	12 hr
Nov 27, 3:33 AM PST	Winter Weather Advisory	STO		38 hr
Nov 29, 3:59 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Mono, Nevada, Placer	36 hr
Dec 1, 3:15 PM PST	Winter Weather Advisory	MFR	Siskiyou	19 hr
Dec 4, 10:48 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Nevada, Placer	9 hr
Dec 10, 1:18 PM PST	Winter Weather Advisory	HNX		3 days
Dec 10, 2:35 PM PST	Winter Weather Advisory	STO		50 hr
Dec 11, 4:13 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	34 hr
Dec 11, 1:13 PM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino, San Diego	56 hr
Dec 11, 3:09 PM PST	Winter Weather Advisory	LOX		49 hr
Dec 12, 1:00 PM PST	Winter Weather Advisory	HNX		16 hr
Dec 12, 2:03 PM PST	Winter Weather Advisory	PSR		3 days
Dec 12, 4:15 PM PST	Winter Weather Advisory	SGX	San Bernardino	29 hr
Dec 14, 3:58 PM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino, San Diego	11 hr
Dec 15, 3:11 AM PST	Winter Weather Advisory	EKA		12 hr
Dec 15, 3:12 AM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	66 hr
Dec 15, 10:06 AM PST	Winter Weather Advisory	STO		28 hr
Dec 16, 7:53 AM PST	Winter Weather Advisory	EKA		20 hr
Dec 16, 11:15 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	46 hr
Dec 16, 12:45 PM PST	Winter Weather Advisory	HNX		45 hr
Dec 16, 3:20 PM PST	Winter Weather Advisory	EKA		12 hr
Dec 17, 2:26 PM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino	27 hr
Dec 18, 2:30 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	4 days
Dec 19, 3:14 PM PST	Winter Weather Advisory	STO		36 hr
Dec 21, 1:38 PM PST	Winter Weather Advisory	HNX		32 hr
Dec 21, 2:22 PM PST	Winter Weather Advisory	VEF	Inyo	31 hr
Dec 22, 2:49 PM PST	Winter Weather Advisory	REV	Modoc	25 hr
Dec 22, 2:49 PM PST	Winter Weather Advisory	STO		24 hr
Dec 22, 3:06 PM PST	Winter Weather Advisory	EKA		24 hr
Dec 23, 4:20 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	12 hr
Dec 24, 3:02 AM PST	Winter Weather Advisory	SGX	San Bernardino	9 hr
Dec 24, 3:57 AM PST	Winter Weather Advisory	LOX		6 hr
Dec 24, 4:13 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more	60 hr
Dec 24, 2:23 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	62 hr
Dec 24, 2:41 PM PST	Winter Weather Advisory	EKA		45 hr
Dec 24, 2:54 PM PST	Winter Weather Advisory	HNX		59 hr
Dec 24, 3:04 PM PST	Winter Weather Advisory	VEF	Inyo	47 hr
Dec 25, 2:35 PM PST	Winter Weather Advisory	STO		19 hr
Dec 25, 6:13 PM PST	Winter Weather Advisory	LOX		15 hr
Dec 25, 6:16 PM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino, San Diego	19 hr
Dec 26, 1:32 PM PST	Winter Weather Advisory	LOX		20 hr
Dec 29, 2:50 AM PST	Winter Weather Advisory	HNX		17 hr
Dec 29, 3:42 AM PST	Winter Weather Advisory	LOX		16 hr
Dec 30, 5:11 PM PST	Winter Weather Advisory	SGX	Riverside, San Diego	4 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 now Tornadoes on record The radar archive 2011 2013

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.