Weather alerts in California, December 2020

283 weather alerts in December 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2020. Tap one for its archive.

Alerts: 283
Warnings: 51
Watches: 35
Advisories: 171
Busiest day: December 28, 202025 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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
Dec 1, 7:12 AM PST	Dense Fog Advisory	MTR	Alameda, Contra Costa, San Mateo, Santa Clara	3 hr
Dec 1, 11:28 AM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	3 days
Dec 1, 12:11 PM PST	Red Flag Warning	SGX	Orange, Riverside, San Bernardino, San Diego	71 hr
Dec 1, 12:12 PM PST	High Wind Watch	SGX	Orange, Riverside, San Bernardino, San Diego	15 hr
Dec 1, 12:39 PM PST	Fire Weather Watch	HNX	Kern	13 hr
Dec 1, 12:48 PM PST	Wind Advisory	HNX		51 hr
Dec 1, 2:20 PM PST	High Wind Watch	LOX	Los Angeles	19 hr
Dec 1, 2:29 PM PST	Red Flag Warning	LOX	Los Angeles	4 days
Dec 1, 8:48 PM PST	High Surf Advisory	LOX	Los Angeles	3 days
Dec 1, 8:48 PM PST	Wind Advisory	LOX	Los Angeles	63 hr
Dec 1, 9:00 PM PST	Small Craft Advisory	LOX		6 hr
Dec 2, 12:49 AM PST	Lake Wind Advisory	VEF	San Bernardino	19 hr
Dec 2, 1:01 AM PST	Freeze Watch	PSR	Imperial, Riverside	24 hr
Dec 2, 1:55 AM PST	Red Flag Warning	HNX	Kern	64 hr
Dec 2, 2:26 AM PST	Small Craft Advisory	LOX		67 hr
Dec 2, 2:45 AM PST	High Wind Warning	SGX	Orange, Riverside, San Bernardino, San Diego	39 hr
Dec 2, 3:06 AM PST	Small Craft Advisory	EKA		71 hr
Dec 2, 3:11 AM PST	Small Craft Advisory	LOX		6 hr
Dec 2, 9:47 AM PST	High Wind Warning	LOX	Los Angeles	29 hr
Dec 2, 9:47 AM PST	Wind Advisory	LOX	Los Angeles	50 hr
Dec 2, 1:19 PM PST	Hard Freeze Watch	LOX		24 hr
Dec 2, 1:44 PM PST	Small Craft Advisory	MTR		61 hr
Dec 2, 1:45 PM PST	Small Craft Advisory	SGX		30 hr
Dec 2, 5:06 PM PST	Beach Hazards Statement	SGX	Orange, San Diego	59 hr
Dec 2, 9:32 PM PST	Wind Advisory	SGX	San Diego	18 hr
Dec 3, 12:17 AM PST	Dense Fog Advisory	LOX		4 hr
Dec 3, 12:44 AM PST	Freeze Warning	PSR	Imperial, Riverside	30 hr
Dec 3, 12:21 PM PST	Freeze Warning	PSR	Imperial, Riverside	43 hr
Dec 3, 12:53 PM PST	Freeze Warning	VEF	San Bernardino	19 hr
Dec 3, 1:04 PM PST	Hard Freeze Watch	LOX		20 hr
Dec 3, 1:04 PM PST	Hard Freeze Warning	LOX		20 hr
Dec 3, 8:53 PM PST	Frost Advisory	LOX		12 hr
Dec 3, 8:53 PM PST	Freeze Warning	LOX		12 hr
Dec 4, 9:08 AM PST	Freeze Warning	LOX		24 hr
Dec 4, 9:08 AM PST	Hard Freeze Warning	LOX		24 hr
Dec 4, 1:07 PM PST	Fire Weather Watch	SGX	Orange, Riverside, San Bernardino, San Diego	24 hr
Dec 4, 2:28 PM PST	Fire Weather Watch	LOX	Los Angeles	24 hr
Dec 5, 2:31 AM PST	Small Craft Advisory	MTR		7 days
Dec 5, 2:55 AM PST	Small Craft Advisory	EKA		15 hr
Dec 5, 12:17 PM PST	High Wind Watch	HNX		14 hr
Dec 5, 12:31 PM PST	Fire Weather Watch	HNX	Fresno, Kern, Tulare	23 hr
Dec 5, 12:59 PM PST	Red Flag Warning	SGX	Orange, Riverside, San Bernardino, San Diego	3 days
Dec 5, 1:02 PM PST	Beach Hazards Statement	LOX	Los Angeles	16 hr
Dec 5, 1:37 PM PST	Gale Watch	LOX		36 hr
Dec 5, 1:37 PM PST	Small Craft Advisory	LOX		4 days
Dec 5, 1:47 PM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	50 hr
Dec 5, 2:10 PM PST	High Wind Watch	LOX		24 hr
Dec 5, 2:10 PM PST	Hard Freeze Warning	LOX		19 hr
Dec 5, 2:16 PM PST	High Surf Advisory	EKA	Del Norte, Humboldt, Mendocino	3 days
Dec 5, 2:20 PM PST	Small Craft Advisory	EKA		49 hr
Dec 5, 2:20 PM PST	Hazardous Seas Watch	EKA		24 hr
Dec 5, 2:37 PM PST	Fire Weather Watch	LOX		23 hr
Dec 5, 2:37 PM PST	Red Flag Warning	LOX	Los Angeles	3 days
Dec 6, 2:10 AM PST	Beach Hazards Statement	SGX	Orange, San Diego	24 hr
Dec 6, 2:13 AM PST	High Wind Warning	HNX		34 hr
Dec 6, 2:26 AM PST	Small Craft Advisory	MTR		6 days
Dec 6, 2:57 AM PST	Gale Warning	MTR		32 hr
Dec 6, 3:05 AM PST	Wind Advisory	MTR	Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more	32 hr
Dec 6, 3:18 AM PST	Red Flag Warning	MTR	Alameda, Contra Costa, Marin, Napa, San Mateo, Santa Clara and 2 more	38 hr
Dec 6, 3:30 AM PST	Wind Advisory	STO		36 hr
Dec 6, 3:38 AM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	52 hr
Dec 6, 3:38 AM PST	High Surf Warning	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	65 hr
Dec 6, 4:44 AM PST	High Surf Warning	LOX		3 days
Dec 6, 4:44 AM PST	High Surf Advisory	LOX	Los Angeles	4 days
Dec 6, 11:16 AM PST	Red Flag Warning	HNX	Fresno, Kern, Tulare	55 hr
Dec 6, 1:11 PM PST	High Wind Watch	SGX	Orange, Riverside, San Bernardino, San Diego	15 hr
Dec 6, 2:11 PM PST	High Wind Warning	LOX		46 hr
Dec 6, 2:11 PM PST	Wind Advisory	LOX	Los Angeles	49 hr
Dec 6, 2:31 PM PST	Hazardous Seas Warning	EKA		54 hr
Dec 6, 2:40 PM PST	Small Craft Advisory	LOX		21 hr
Dec 6, 3:15 PM PST	Red Flag Warning	STO		26 hr
Dec 6, 8:53 PM PST	Small Craft Advisory	LOX		3 days
Dec 7, 1:08 AM PST	Gale Warning	LOX		32 hr
Dec 7, 1:49 AM PST	High Surf Advisory	SGX	Orange, San Diego	72 hr
Dec 7, 2:37 AM PST	Small Craft Advisory	MTR		3 days
Dec 7, 4:30 AM PST	High Wind Warning	SGX	Orange, Riverside, San Bernardino, San Diego	33 hr
Dec 8, 7:23 AM PST	High Surf Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	32 hr
Dec 8, 10:55 AM PST	Small Craft Advisory	EKA		58 hr
Dec 8, 11:59 AM PST	Wind Advisory	LOX		3 hr
Dec 8, 2:23 PM PST	Gale Warning	EKA		32 hr
Dec 8, 8:16 PM PST	Beach Hazards Statement	MTR	Santa Cruz	19 hr
Dec 9, 2:11 AM PST	Small Craft Advisory	MTR		55 hr
Dec 9, 1:23 PM PST	Fire Weather Watch	REV	Madera, Mono	34 hr
Dec 9, 8:46 PM PST	Small Craft Advisory	LOX		3 days
Dec 9, 9:01 PM PST	Gale Warning	MTR		18 hr
Dec 9, 9:19 PM PST	Wind Advisory	MTR	Marin, Sonoma	18 hr
Dec 9, 9:42 PM PST	Beach Hazards Statement	LOX	Los Angeles	11 hr
Dec 9, 9:42 PM PST	High Surf Advisory	LOX		11 hr
Dec 9, 9:54 PM PST	Small Craft Advisory	EKA		23 hr
Dec 10, 2:17 AM PST	Wind Advisory	LOX		29 hr
Dec 10, 3:48 AM PST	Freezing Fog Advisory	MFR	Siskiyou	6 hr
Dec 10, 4:10 AM PST	Wind Advisory	HNX		32 hr
Dec 10, 4:39 AM PST	Fire Weather Watch	HNX	Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne	7 hr
Dec 10, 9:06 AM PST	Beach Hazards Statement	LOX	Los Angeles	5 hr
Dec 10, 1:45 PM PST	Winter Weather Advisory	EKA		35 hr
Dec 10, 2:23 PM PST	Winter Weather Advisory	STO		41 hr
Dec 10, 8:55 PM PST	Small Craft Advisory	EKA		30 hr
Dec 11, 4:38 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more	23 hr
Dec 11, 12:55 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	15 hr
Dec 11, 1:09 PM PST	Small Craft Advisory	SGX		35 hr
Dec 12, 12:36 AM PST	Wind Advisory	VEF	San Bernardino	15 hr
Dec 12, 1:00 AM PST	Wind Advisory	HNX		15 hr
Dec 12, 1:27 AM PST	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	15 hr
Dec 12, 1:57 AM PST	Wind Advisory	LOX	Los Angeles	31 hr
Dec 12, 2:33 AM PST	Small Craft Advisory	EKA		8 days
Dec 12, 2:35 AM PST	Coastal Flood Advisory	EKA	Humboldt	32 hr
Dec 12, 2:39 AM PST	Winter Weather Advisory	EKA		43 hr
Dec 12, 2:58 AM PST	Small Craft Advisory	MTR		4 days
Dec 12, 6:02 AM PST	Coastal Flood Advisory	MTR	Marin, Monterey, Napa, City and County of San Francisco, San Mateo, Santa Cruz and 1 more	3 days
Dec 12, 6:02 AM PST	High Surf Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	61 hr
Dec 12, 8:19 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	42 hr
Dec 12, 9:17 AM PST	Winter Storm Warning	STO		42 hr
Dec 12, 9:17 AM PST	Winter Weather Advisory	STO		36 hr
Dec 12, 9:18 AM PST	Freezing Fog Advisory	MFR	Modoc, Siskiyou	3 hr
Dec 12, 11:38 AM PST	Wind Advisory	PSR	Imperial	5 hr
Dec 12, 12:37 PM PST	Beach Hazards Statement	SGX	Orange, San Diego	5 days
Dec 12, 2:04 PM PST	Beach Hazards Statement	LOX	Los Angeles	4 days
Dec 12, 2:04 PM PST	High Surf Advisory	LOX		5 days
Dec 12, 2:19 PM PST	Winter Weather Advisory	HNX		38 hr
Dec 12, 2:49 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	31 hr
Dec 12, 9:21 PM PST	Dense Fog Advisory	LOX		6 hr
Dec 13, 12:25 PM PST	Small Craft Advisory	SGX		28 hr
Dec 13, 12:52 PM PST	Wind Advisory	HNX		27 hr
Dec 13, 1:12 PM PST	Coastal Flood Advisory	EKA	Humboldt	23 hr
Dec 13, 1:17 PM PST	Coastal Flood Advisory	LOX		23 hr
Dec 13, 1:41 PM PST	Wind Advisory	LOX	Los Angeles	46 hr
Dec 13, 2:16 PM PST	Small Craft Advisory	LOX		7 days
Dec 14, 12:52 AM PST	Dense Fog Advisory	HNX		7 hr
Dec 14, 3:00 AM PST	Dense Fog Advisory	STO		7 hr
Dec 14, 3:01 AM PST	Hazardous Seas Watch	EKA		24 hr
Dec 14, 3:01 AM PST	Hazardous Seas Warning	EKA		65 hr
Dec 14, 3:12 AM PST	High Surf Advisory	EKA	Del Norte, Humboldt, Mendocino	57 hr
Dec 14, 12:56 PM PST	Winter Storm Watch	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	21 hr
Dec 14, 1:25 PM PST	Winter Storm Watch	STO		23 hr
Dec 14, 7:21 PM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	32 hr
Dec 14, 7:21 PM PST	High Surf Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	44 hr
Dec 15, 2:18 AM PST	Dense Fog Advisory	HNX		8 hr
Dec 15, 4:03 AM PST	Wind Advisory	MFR	Siskiyou	42 hr
Dec 15, 9:48 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	50 hr
Dec 15, 11:50 AM PST	Winter Weather Advisory	HNX		50 hr
Dec 15, 12:04 PM PST	Winter Weather Advisory	STO		46 hr
Dec 15, 12:58 PM PST	Dense Fog Advisory	HNX		21 hr
Dec 15, 2:07 PM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	41 hr
Dec 15, 3:07 PM PST	Small Craft Advisory	MTR		3 days
Dec 16, 2:16 AM PST	Frost Advisory	LOX		7 hr
Dec 16, 2:16 AM PST	Wind Advisory	LOX		7 hr
Dec 16, 2:53 AM PST	Small Craft Advisory	EKA		5 days
Dec 16, 1:06 PM PST	Small Craft Advisory	SGX		32 hr
Dec 16, 2:08 PM PST	Wind Advisory	HNX		31 hr
Dec 17, 1:06 AM PST	Beach Hazards Statement	LOX		17 hr
Dec 17, 2:50 AM PST	Wind Advisory	VEF	San Bernardino	15 hr
Dec 17, 3:25 AM PST	Wind Advisory	LOX		36 hr
Dec 17, 2:17 PM PST	Wind Advisory	LOX	Los Angeles	42 hr
Dec 17, 2:26 PM PST	Small Craft Advisory	MTR		31 hr
Dec 17, 10:38 PM PST	Freeze Warning	LOX		10 hr
Dec 18, 2:59 AM PST	Small Craft Advisory	EKA		48 hr
Dec 18, 4:19 AM PST	Dense Fog Advisory	HNX		7 hr
Dec 18, 1:47 PM PST	Dense Fog Advisory	HNX		21 hr
Dec 18, 1:48 PM PST	Small Craft Advisory	MTR		61 hr
Dec 18, 2:30 PM PST	Dense Fog Advisory	STO		21 hr
Dec 18, 2:44 PM PST	Fire Weather Watch	LOX	Los Angeles	23 hr
Dec 19, 1:44 PM PST	Dense Fog Advisory	HNX		24 hr
Dec 19, 2:24 PM PST	Dense Fog Advisory	STO		22 hr
Dec 20, 2:01 PM PST	Gale Watch	EKA		13 hr
Dec 20, 2:48 PM PST	Dense Fog Advisory	STO		23 hr
Dec 20, 2:50 PM PST	Wind Advisory	MFR	Modoc	34 hr
Dec 20, 2:58 PM PST	Small Craft Advisory	MTR		60 hr
Dec 20, 4:36 PM PST	Dense Fog Advisory	HNX		20 hr
Dec 21, 2:19 AM PST	Small Craft Advisory	LOX		3 days
Dec 21, 2:34 AM PST	Small Craft Advisory	MTR		42 hr
Dec 21, 3:04 AM PST	Small Craft Advisory	EKA		52 hr
Dec 21, 3:34 AM PST	Dense Fog Advisory	MTR	Alameda, Contra Costa, Marin, Napa, Sonoma	7 hr
Dec 21, 6:42 AM PST	Marine Dense Fog Advisory	MTR		4 hr
Dec 21, 1:08 PM PST	Fire Weather Watch	SGX	Orange, Riverside, San Bernardino, San Diego	21 hr
Dec 21, 1:40 PM PST	Fire Weather Watch	LOX	Los Angeles	22 hr
Dec 21, 4:11 PM PST	Dense Fog Advisory	HNX		20 hr
Dec 21, 4:35 PM PST	Dense Fog Advisory	STO		18 hr
Dec 21, 8:47 PM PST	Dense Fog Advisory	SGX	Orange, San Diego	9 hr
Dec 22, 2:13 AM PST	Wind Advisory	VEF	San Bernardino	40 hr
Dec 22, 4:00 AM PST	Gale Watch	LOX		10 hr
Dec 22, 9:55 AM PST	Red Flag Warning	SGX	Orange, Riverside, San Bernardino, San Diego	50 hr
Dec 22, 10:25 AM PST	Winter Storm Watch	STO		40 hr
Dec 22, 11:50 AM PST	Winter Storm Watch	EKA	Trinity	39 hr
Dec 22, 11:59 AM PST	Red Flag Warning	LOX	Los Angeles	51 hr
Dec 22, 12:35 PM PST	Wind Advisory	LOX	Los Angeles	47 hr
Dec 22, 1:03 PM PST	Winter Storm Watch	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	37 hr
Dec 22, 2:09 PM PST	Gale Warning	LOX		30 hr
Dec 22, 2:09 PM PST	Small Craft Advisory	LOX		19 hr
Dec 22, 2:11 PM PST	Gale Watch	EKA		24 hr
Dec 22, 2:27 PM PST	Winter Storm Watch	MFR	Siskiyou	36 hr
Dec 22, 10:47 PM PST	Dense Fog Advisory	HNX		7 hr
Dec 23, 1:20 AM PST	Dense Fog Advisory	STO		9 hr
Dec 23, 2:31 AM PST	Small Craft Advisory	MTR		66 hr
Dec 23, 10:29 AM PST	Wind Advisory	HNX		24 hr
Dec 23, 2:22 PM PST	Gale Warning	EKA		51 hr
Dec 23, 2:22 PM PST	Small Craft Advisory	EKA		41 hr
Dec 23, 2:38 PM PST	High Wind Watch	MFR	Siskiyou	11 hr
Dec 23, 10:14 PM PST	Dense Fog Advisory	HNX		12 hr
Dec 23, 11:04 PM PST	Dense Fog Advisory	STO		13 hr
Dec 24, 2:00 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	56 hr
Dec 24, 2:01 AM PST	High Wind Warning	MFR	Modoc, Siskiyou	44 hr
Dec 24, 2:01 AM PST	Wind Advisory	MFR	Modoc, Siskiyou	44 hr
Dec 24, 2:01 AM PST	Winter Storm Warning	MFR	Siskiyou	51 hr
Dec 24, 2:01 AM PST	Winter Weather Advisory	MFR	Siskiyou	56 hr
Dec 24, 2:30 AM PST	Winter Storm Warning	STO		59 hr
Dec 24, 2:30 AM PST	Winter Weather Advisory	STO		7 hr
Dec 24, 2:43 AM PST	Small Craft Advisory	MTR		42 hr
Dec 24, 3:11 AM PST	Winter Storm Warning	EKA	Trinity	48 hr
Dec 24, 3:12 AM PST	Wind Advisory	EKA	Del Norte, Humboldt	39 hr
Dec 24, 1:18 PM PST	Beach Hazards Statement	SGX	Orange, San Diego	61 hr
Dec 24, 4:37 PM PST	Small Craft Advisory	EKA		17 hr
Dec 24, 8:39 PM PST	Storm Warning	EKA		19 hr
Dec 24, 10:15 PM PST	Dense Fog Advisory	HNX		6 hr
Dec 25, 12:00 PM PST	Winter Weather Advisory	STO		22 hr
Dec 25, 12:09 PM PST	Winter Storm Watch	HNX		38 hr
Dec 25, 2:03 PM PST	Beach Hazards Statement	LOX	Los Angeles	4 days
Dec 25, 2:03 PM PST	Small Craft Advisory	LOX		18 days
Dec 25, 2:03 PM PST	High Surf Advisory	LOX	Los Angeles	11 days
Dec 25, 3:42 PM PST	Small Craft Advisory	EKA		4 days
Dec 25, 8:58 PM PST	Small Craft Advisory	MTR		4 days
Dec 26, 2:47 AM PST	Winter Weather Advisory	EKA		7 hr
Dec 26, 3:10 AM PST	Winter Storm Watch	SGX	Riverside, San Bernardino, San Diego	24 hr
Dec 26, 4:29 AM PST	Winter Storm Watch	LOX		23 hr
Dec 27, 1:40 AM PST	Winter Weather Advisory	REV	Mono	34 hr
Dec 27, 1:48 AM PST	High Surf Advisory	SGX	Orange, San Diego	3 days
Dec 27, 1:57 AM PST	Small Craft Advisory	SGX		58 hr
Dec 27, 2:14 AM PST	Winter Weather Advisory	VEF	Inyo	43 hr
Dec 27, 2:20 AM PST	Winter Storm Warning	HNX		34 hr
Dec 27, 2:20 AM PST	Winter Weather Advisory	HNX		39 hr
Dec 27, 3:08 AM PST	Winter Storm Warning	SGX	Riverside, San Bernardino, San Diego	48 hr
Dec 27, 3:30 AM PST	Winter Storm Warning	LOX		41 hr
Dec 27, 4:19 AM PST	Freezing Fog Advisory	MFR	Siskiyou	6 hr
Dec 27, 1:13 PM PST	Wind Advisory	PSR	Imperial	28 hr
Dec 27, 2:17 PM PST	Beach Hazards Statement	EKA	Del Norte, Humboldt, Mendocino	58 hr
Dec 27, 10:00 PM PST	Special Weather Statement	HNX	Fresno	45 min
Dec 27, 10:24 PM PST	Areal Flood Advisory	LOX	Santa Barbara	3 hr
Dec 27, 10:52 PM PST	Special Marine Warning	LOX		53 min
Dec 27, 11:21 PM PST	Areal Flood Advisory	LOX	Los Angeles, Ventura	3 hr
Dec 27, 11:29 PM PST	Areal Flood Advisory	LOX	Los Angeles, Ventura	3 hr
Dec 27, 11:36 PM PST	Special Marine Warning	LOX		54 min
Dec 27, 11:47 PM PST	Areal Flood Advisory	LOX	Los Angeles	104 min
Dec 28, 12:24 AM PST	Special Marine Warning	LOX		36 min
Dec 28, 12:49 AM PST	Special Weather Statement	LOX	Los Angeles	86 min
Dec 28, 1:22 AM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	3 hr
Dec 28, 4:14 AM PST	Areal Flood Advisory	LOX	Ventura	78 min
Dec 28, 5:09 AM PST	Special Marine Warning	LOX		21 min
Dec 28, 5:10 AM PST	Special Weather Statement	LOX	Los Angeles	35 min
Dec 28, 5:29 AM PST	Special Marine Warning	LOX		31 min
Dec 28, 5:48 AM PST	Special Weather Statement	LOX	Los Angeles	42 min
Dec 28, 9:58 AM PST	Areal Flood Advisory	LOX	Santa Barbara	3 hr
Dec 28, 10:42 AM PST	Areal Flood Advisory	LOX	Ventura	2 hr
Dec 28, 11:54 AM PST	Special Weather Statement	SGX		51 min
Dec 28, 12:41 PM PST	Areal Flood Advisory	LOX	Los Angeles	6 hr
Dec 28, 12:43 PM PST	Special Weather Statement	SGX	Orange	47 min
Dec 28, 12:48 PM PST	Areal Flood Advisory	LOX	Ventura	3 hr
Dec 28, 1:17 PM PST	Special Weather Statement	LOX	Los Angeles	58 min
Dec 28, 1:17 PM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Bernardino	3 hr
Dec 28, 2:58 PM PST	Special Weather Statement	SGX	Orange	47 min
Dec 28, 3:51 PM PST	Special Weather Statement	SGX	Orange	54 min
Dec 28, 4:08 PM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Bernardino	4 hr
Dec 28, 6:11 PM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	4 hr
Dec 28, 7:17 PM PST	Special Weather Statement	SGX	San Diego	43 min
Dec 29, 4:09 AM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	42 hr
Dec 29, 5:52 AM PST	Dense Fog Advisory	LOX		2 hr
Dec 29, 10:09 AM PST	Dense Fog Advisory	LOX	Santa Barbara	2 hr
Dec 29, 1:09 PM PST	High Wind Warning	MFR	Modoc	36 hr
Dec 29, 1:09 PM PST	Wind Advisory	MFR	Siskiyou	33 hr
Dec 29, 1:19 PM PST	Small Craft Advisory	SGX		69 hr
Dec 29, 1:47 PM PST	Dense Fog Advisory	HNX		15 hr
Dec 29, 1:57 PM PST	Frost Advisory	LOX		18 hr
Dec 29, 2:19 PM PST	Small Craft Advisory	EKA		4 days
Dec 29, 2:32 PM PST	Small Craft Advisory	MTR		11 days
Dec 30, 2:16 AM PST	Gale Watch	LOX		12 hr
Dec 30, 2:16 AM PST	Small Craft Advisory	LOX		58 hr
Dec 30, 3:13 AM PST	Coastal Flood Warning	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	2 hr
Dec 30, 5:22 AM PST	High Surf Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	46 hr
Dec 30, 12:09 PM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	17 hr
Dec 30, 1:26 PM PST	Wind Advisory	LOX	Los Angeles	49 hr
Dec 30, 2:21 PM PST	Gale Warning	LOX		31 hr
Dec 30, 11:08 PM PST	Winter Weather Advisory	STO		6 hr
Dec 31, 2:53 AM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	33 hr
Dec 31, 3:06 AM PST	Wind Advisory	HNX		8 hr
Dec 31, 6:06 AM PST	Winter Weather Advisory	HNX		6 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Special Weather Statement	10
Flooding
Areal Flood Advisory	13
Winter
Winter Storm Warning	7
Winter Storm Watch	9
Winter Weather Advisory	23
Cold
Freeze Warning	6
Hard Freeze Warning	3
Freeze Watch	1
Hard Freeze Watch	2
Frost Advisory	3
Wind and dust
High Wind Warning	7
High Wind Watch	6
Lake Wind Advisory	3
Wind Advisory	35
Fire
Red Flag Warning	10
Fire Weather Watch	10
Fog and smoke
Dense Fog Advisory	26
Freezing Fog Advisory	3
Coast and beach
Coastal Flood Warning	1
High Surf Warning	2
Coastal Flood Advisory	4
High Surf Advisory	13
Beach Hazards Statement	16
Marine
Gale Warning	7
Hazardous Seas Warning	2
Special Marine Warning	5
Storm Warning	1
Gale Watch	5
Hazardous Seas Watch	2
Marine Dense Fog Advisory	1
Small Craft Advisory	47

Nearby

Alerts in force now Tornadoes on record The radar archive 2019 2021

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. Rebuilt daily.