Weather alerts in California, December 2019

366 weather alerts in December 2019, 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 2019. Tap one for its archive.

Alerts: 366
Warnings: 73
Watches: 33
Advisories: 219
Busiest day: December 25, 201935 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
Nov 30, 7:09 PM PST	Winter Weather Advisory	HNX		3 hr
Nov 30, 8:09 PM PST	High Wind Warning	HNX		34 hr
Dec 1, 1:30 AM PST	High Surf Advisory	SGX	Orange, San Diego	57 hr
Dec 1, 2:07 AM PST	Beach Hazards Statement	LOX		44 hr
Dec 1, 2:07 AM PST	High Surf Advisory	LOX		44 hr
Dec 1, 2:41 AM PST	Small Craft Advisory	EKA		42 hr
Dec 1, 2:41 AM PST	Hazardous Seas Warning	EKA		7 hr
Dec 1, 3:20 AM PST	Gale Warning	MTR		24 hr
Dec 1, 3:20 AM PST	Small Craft Advisory for Rough Bar	MTR		35 hr
Dec 1, 3:20 AM PST	Small Craft Advisory	MTR		33 hr
Dec 1, 3:45 AM PST	Small Craft Advisory	MTR		10 hr
Dec 1, 5:03 AM PST	Winter Weather Advisory	MFR	Modoc, Siskiyou	28 hr
Dec 1, 6:27 AM PST	Winter Weather Advisory	EKA	Trinity	4 hr
Dec 1, 8:26 PM PST	Small Craft Advisory	LOX		24 hr
Dec 1, 9:08 PM PST	Small Craft Advisory	MTR		6 hr
Dec 2, 4:23 AM PST	Small Craft Advisory	MTR		8 hr
Dec 2, 6:33 AM PST	Wind Advisory	HNX		4 hr
Dec 2, 11:48 AM PST	Areal Flood Advisory	MTR	Monterey	117 min
Dec 2, 12:09 PM PST	Winter Storm Watch	HNX		14 hr
Dec 2, 1:22 PM PST	Winter Storm Watch	VEF	Inyo	13 hr
Dec 3, 1:36 AM PST	Dense Fog Advisory	HNX		8 hr
Dec 3, 1:55 AM PST	Winter Weather Advisory	HNX		44 hr
Dec 3, 2:14 AM PST	Small Craft Advisory	SGX		36 hr
Dec 3, 2:23 AM PST	Winter Weather Advisory	VEF	Inyo	44 hr
Dec 3, 2:30 AM PST	Dense Fog Advisory	STO		8 hr
Dec 3, 2:45 AM PST	Small Craft Advisory	LOX		33 hr
Dec 3, 1:07 PM PST	Flash Flood Watch	SGX	Orange, Riverside, San Bernardino, San Diego	29 hr
Dec 3, 2:01 PM PST	Winter Storm Watch	STO		48 hr
Dec 3, 2:11 PM PST	Small Craft Advisory	MTR		4 days
Dec 3, 2:26 PM PST	Winter Storm Watch	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	48 hr
Dec 3, 2:26 PM PST	Winter Weather Advisory	REV	Mono	28 hr
Dec 3, 3:06 PM PST	Gale Watch	EKA		11 hr
Dec 3, 5:45 PM PST	High Wind Warning	HNX		17 hr
Dec 3, 6:47 PM PST	Wind Advisory	LOX		15 hr
Dec 3, 10:46 PM PST	Flash Flood Watch	LOX	Los Angeles	13 hr
Dec 4, 2:30 AM PST	Gale Warning	EKA		66 hr
Dec 4, 2:30 AM PST	Small Craft Advisory	EKA		4 days
Dec 4, 3:07 AM PST	Gale Watch	MTR		24 hr
Dec 4, 3:07 AM PST	Small Craft Advisory	MTR		12 hr
Dec 4, 3:07 AM PST	Small Craft Advisory	MTR		4 days
Dec 4, 3:47 AM PST	Winter Weather Advisory	STO		17 hr
Dec 4, 5:26 AM PST	Areal Flood Advisory	LOX	San Luis Obispo	64 min
Dec 4, 6:13 AM PST	Areal Flood Advisory	LOX	Santa Barbara	2 hr
Dec 4, 7:09 AM PST	Areal Flood Advisory	LOX	Ventura	3 hr
Dec 4, 7:55 AM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Bernardino	6 hr
Dec 4, 8:24 AM PST	Areal Flood Advisory	LOX	Santa Barbara	66 min
Dec 4, 8:37 AM PST	Areal Flood Advisory	SGX	Riverside, San Diego	6 hr
Dec 4, 9:10 AM PST	Areal Flood Advisory	LOX	Los Angeles	3 hr
Dec 4, 9:11 AM PST	Areal Flood Advisory	SGX	San Bernardino	6 hr
Dec 4, 10:21 AM PST	Areal Flood Advisory	SGX	Riverside, San Bernardino, San Diego	6 hr
Dec 4, 11:37 AM PST	Areal Flood Advisory	PSR	Imperial, Riverside, San Bernardino	4 hr
Dec 4, 12:11 PM PST	Special Marine Warning	MTR		34 min
Dec 4, 12:38 PM PST	Areal Flood Warning	SGX	San Diego	3 hr
Dec 4, 1:16 PM PST	Areal Flood Advisory	VEF	San Bernardino	119 min
Dec 4, 1:46 PM PST	Winter Storm Watch	HNX		24 hr
Dec 4, 2:16 PM PST	Wind Advisory	EKA	Del Norte, Humboldt	61 hr
Dec 4, 2:33 PM PST	Special Weather Statement	MTR	San Benito	42 min
Dec 4, 2:35 PM PST	Wind Advisory	MFR	Siskiyou	72 hr
Dec 4, 2:35 PM PST	Winter Storm Watch	MFR	Siskiyou	23 hr
Dec 4, 3:06 PM PST	Areal Flood Warning	MTR	Monterey	114 min
Dec 4, 3:41 PM PST	Areal Flood Advisory	MTR	Monterey	3 hr
Dec 4, 3:43 PM PST	Special Weather Statement	MTR	San Benito	47 min
Dec 4, 4:11 PM PST	Areal Flood Warning	SGX	San Diego	12 hr
Dec 4, 4:44 PM PST	Areal Flood Warning	MTR	Monterey	2 hr
Dec 4, 5:25 PM PST	Dense Fog Advisory	HNX		17 hr
Dec 4, 6:35 PM PST	Areal Flood Advisory	MTR	Monterey	6 hr
Dec 5, 2:28 AM PST	Gale Watch	LOX		29 hr
Dec 5, 2:28 AM PST	Small Craft Advisory	LOX		61 hr
Dec 5, 2:30 AM PST	Dense Fog Advisory	VEF	Inyo, San Bernardino	6 hr
Dec 5, 2:51 AM PST	Gale Warning	MTR		48 hr
Dec 5, 3:17 AM PST	Flash Flood Watch	MTR	Marin, Napa, Sonoma	49 hr
Dec 5, 4:05 AM PST	Dense Fog Advisory	PSR	Imperial, Riverside, San Bernardino	4 hr
Dec 5, 1:17 PM PST	Winter Storm Warning	MFR	Siskiyou	49 hr
Dec 5, 1:17 PM PST	Winter Weather Advisory	MFR	Modoc	57 hr
Dec 5, 1:31 PM PST	Winter Storm Watch	VEF	Inyo	12 hr
Dec 5, 1:38 PM PST	Wind Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more	38 hr
Dec 5, 2:00 PM PST	Winter Storm Warning	STO		70 hr
Dec 5, 2:01 PM PST	Winter Storm Warning	HNX		71 hr
Dec 5, 2:45 PM PST	Winter Storm Warning	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	67 hr
Dec 5, 5:58 PM PST	Wind Advisory	HNX		28 hr
Dec 6, 1:39 AM PST	Winter Weather Advisory	VEF	Inyo	56 hr
Dec 6, 1:49 AM PST	High Surf Advisory	SGX	Orange, San Diego	3 days
Dec 6, 2:10 AM PST	High Surf Advisory	LOX		66 hr
Dec 6, 2:29 AM PST	Gale Warning	LOX		24 hr
Dec 6, 5:37 AM PST	Dense Fog Advisory	VEF	San Bernardino	4 hr
Dec 6, 8:43 AM PST	Wind Advisory	STO		31 hr
Dec 6, 10:54 AM PST	Flash Flood Watch	STO		30 hr
Dec 6, 12:10 PM PST	Flash Flood Watch	EKA	Mendocino	29 hr
Dec 6, 8:34 PM PST	Small Craft Advisory	EKA		36 hr
Dec 7, 2:34 AM PST	Small Craft Advisory	LOX		12 hr
Dec 7, 2:40 AM PST	Small Craft Advisory	MTR		18 hr
Dec 7, 3:27 AM PST	Wind Advisory	REV	Mono	19 hr
Dec 7, 4:56 AM PST	Flash Flood Watch	MTR	Marin, Napa, Sonoma	17 hr
Dec 7, 8:08 AM PST	Gale Warning	EKA		6 hr
Dec 7, 10:06 AM PST	Special Weather Statement	STO	Tehama	39 min
Dec 7, 10:42 AM PST	Special Weather Statement	STO	Tehama	48 min
Dec 7, 10:54 AM PST	Wind Advisory	EKA	Del Norte, Humboldt	3 hr
Dec 7, 12:47 PM PST	Special Weather Statement	STO	Shasta	43 min
Dec 7, 12:54 PM PST	Special Weather Statement	MTR	Sonoma	6 min
Dec 7, 12:54 PM PST	Mesoscale Discussion	SPC	Butte, Colusa, Glenn, Shasta, Sutter, Tehama and 1 more	3 hr
Dec 7, 1:28 PM PST	Special Weather Statement	STO	Shasta	47 min
Dec 7, 1:31 PM PST	Special Marine Warning	MTR		29 min
Dec 7, 1:53 PM PST	Special Weather Statement	MTR	Sonoma	22 min
Dec 7, 1:55 PM PST	Areal Flood Advisory	STO	Shasta, Tehama	3 hr
Dec 7, 2:00 PM PST	Special Marine Warning	MTR		30 min
Dec 7, 2:22 PM PST	Special Weather Statement	MTR	Sonoma	38 min
Dec 7, 2:29 PM PST	Special Marine Warning	MTR		31 min
Dec 7, 2:30 PM PST	Small Craft Advisory	LOX		61 hr
Dec 7, 2:34 PM PST	Special Weather Statement	MTR	San Mateo	26 min
Dec 7, 2:58 PM PST	Special Weather Statement	MTR	San Mateo	32 min
Dec 7, 2:59 PM PST	Areal Flood Advisory	MTR	Alameda, Contra Costa, City and County of San Francisco, San Mateo	61 min
Dec 7, 3:21 PM PST	Areal Flood Warning	MTR	City and County of San Francisco	84 min
Dec 7, 4:24 PM PST	Special Weather Statement	STO	Amador	66 min
Dec 7, 4:45 PM PST	Areal Flood Advisory	STO	Shasta, Tehama	2 hr
Dec 7, 5:27 PM PST	Areal Flood Advisory	STO	Amador, El Dorado, Sacramento, San Joaquin	3 hr
Dec 7, 5:58 PM PST	Special Weather Statement	STO	Amador	62 min
Dec 7, 6:49 PM PST	Areal Flood Advisory	STO	Amador, Calaveras, El Dorado	4 hr
Dec 8, 3:50 AM PST	Dense Fog Advisory	PSR	Imperial	4 hr
Dec 8, 8:16 AM PST	Special Weather Statement	HNX	Merced	44 min
Dec 8, 10:29 AM PST	Special Weather Statement	MTR	San Benito	46 min
Dec 8, 11:11 AM PST	Areal Flood Advisory	LOX	Los Angeles, Ventura	3 hr
Dec 8, 11:17 AM PST	Special Weather Statement	MTR	San Benito	43 min
Dec 8, 11:18 AM PST	Special Weather Statement	HNX	Madera	42 min
Dec 8, 11:40 AM PST	Areal Flood Advisory	HNX	Madera	2 hr
Dec 8, 12:03 PM PST	Areal Flood Advisory	LOX	San Luis Obispo	3 hr
Dec 8, 12:13 PM PST	Special Weather Statement	HNX	Fresno	47 min
Dec 8, 12:35 PM PST	Areal Flood Advisory	HNX	Fresno	3 hr
Dec 8, 12:45 PM PST	Areal Flood Advisory	LOX	Los Angeles	3 hr
Dec 8, 1:04 PM PST	Special Weather Statement	HNX	San Benito	41 min
Dec 8, 1:26 PM PST	Special Weather Statement	HNX		49 min
Dec 8, 1:31 PM PST	Special Weather Statement	HNX	Fresno	44 min
Dec 8, 1:36 PM PST	Areal Flood Advisory	HNX	Fresno, Tulare	3 hr
Dec 8, 1:45 PM PST	Severe Thunderstorm Warning	HNX	Kern	30 min
Dec 8, 2:27 PM PST	Special Weather Statement	HNX	Kings	48 min
Dec 8, 2:36 PM PST	Areal Flood Advisory	HNX	Fresno	107 min
Dec 8, 3:21 PM PST	Special Weather Statement	HNX	Kings	39 min
Dec 8, 3:48 PM PST	Special Weather Statement	HNX	Tulare	27 min
Dec 8, 4:01 PM PST	Special Weather Statement	HNX	Kings	29 min
Dec 8, 4:03 PM PST	Areal Flood Advisory	HNX	Kern	85 min
Dec 8, 4:14 PM PST	Areal Flood Advisory	HNX	Tulare	2 hr
Dec 8, 4:30 PM PST	Special Weather Statement	HNX	Tulare	45 min
Dec 8, 4:32 PM PST	Special Weather Statement	HNX	Tulare	43 min
Dec 8, 6:44 PM PST	Areal Flood Advisory	LOX	Los Angeles	106 min
Dec 8, 9:52 PM PST	Dense Fog Advisory	HNX		13 hr
Dec 8, 11:00 PM PST	Dense Fog Advisory	STO		13 hr
Dec 9, 12:19 AM PST	Areal Flood Advisory	VEF	San Bernardino	3 hr
Dec 9, 2:44 AM PST	Small Craft Advisory	EKA		7 days
Dec 9, 4:47 AM PST	Dense Fog Advisory	MTR	Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more	5 hr
Dec 9, 4:57 AM PST	Marine Dense Fog Advisory	MTR		5 hr
Dec 9, 5:42 PM PST	Dense Fog Advisory	HNX		19 hr
Dec 10, 12:30 AM PST	Dense Fog Advisory	STO		10 hr
Dec 10, 3:27 AM PST	Small Craft Advisory	LOX		8 days
Dec 10, 1:34 PM PST	Beach Hazards Statement	SGX	Orange, San Diego	48 hr
Dec 10, 1:39 PM PST	Beach Hazards Statement	LOX	Los Angeles	37 hr
Dec 10, 2:08 PM PST	Small Craft Advisory	MTR		13 hr
Dec 10, 6:46 PM PST	Dense Fog Advisory	HNX		15 hr
Dec 11, 2:59 AM PST	High Surf Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	3 days
Dec 11, 4:21 AM PST	High Surf Advisory	EKA	Del Norte, Humboldt, Mendocino	59 hr
Dec 11, 1:48 PM PST	Winter Weather Advisory	MFR	Modoc	60 hr
Dec 11, 2:22 PM PST	High Surf Advisory	LOX	Los Angeles	4 days
Dec 11, 11:51 PM PST	Dense Fog Advisory	HNX		8 hr
Dec 12, 12:11 AM PST	Dense Fog Advisory	LOX		5 hr
Dec 12, 2:15 AM PST	Winter Weather Advisory	HNX		56 hr
Dec 12, 2:21 AM PST	Small Craft Advisory	MTR		4 days
Dec 12, 2:46 AM PST	Winter Weather Advisory	STO		3 days
Dec 12, 3:48 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Nevada, Placer	53 hr
Dec 12, 10:25 AM PST	High Surf Advisory	LOX		4 days
Dec 12, 1:28 PM PST	High Surf Advisory	SGX	Orange, San Diego	13 hr
Dec 12, 2:05 PM PST	Gale Watch	LOX		13 hr
Dec 12, 2:50 PM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	40 hr
Dec 12, 4:04 PM PST	Gale Watch	SGX		21 hr
Dec 12, 7:51 PM PST	Dense Fog Advisory	LOX		13 hr
Dec 12, 9:24 PM PST	Dense Fog Advisory	MTR	Marin, Monterey, Napa, San Benito, City and County of San Francisco, San Mateo and 2 more	12 hr
Dec 13, 1:35 AM PST	Dense Fog Advisory	HNX		8 hr
Dec 13, 2:40 AM PST	High Wind Watch	VEF	Inyo	7 hr
Dec 13, 2:42 AM PST	Gale Warning	LOX		48 hr
Dec 13, 2:55 AM PST	High Surf Advisory	SGX	Orange, San Diego	58 hr
Dec 13, 4:04 AM PST	Dense Fog Advisory	STO		6 hr
Dec 13, 9:12 AM PST	Dense Fog Advisory	LOX		108 min
Dec 13, 9:12 AM PST	Wind Advisory	VEF	Inyo	8 hr
Dec 13, 1:16 PM PST	Wind Advisory	VEF	San Bernardino	41 hr
Dec 13, 1:30 PM PST	Small Craft Advisory	SGX		56 hr
Dec 13, 1:35 PM PST	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	44 hr
Dec 13, 1:43 PM PST	Wind Advisory	PSR	Imperial	44 hr
Dec 13, 2:54 PM PST	Wind Advisory	LOX		54 hr
Dec 14, 2:32 AM PST	Wind Advisory	HNX		35 hr
Dec 14, 2:44 AM PST	Wind Advisory	LOX	Los Angeles	42 hr
Dec 14, 2:16 PM PST	Winter Weather Advisory	LOX		22 hr
Dec 14, 2:29 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	13 hr
Dec 14, 3:36 PM PST	Winter Weather Advisory	EKA	Del Norte, Humboldt	11 hr
Dec 14, 5:34 PM PST	Special Weather Statement	STO	Tehama	56 min
Dec 14, 7:23 PM PST	Special Weather Statement	STO	Butte	67 min
Dec 14, 10:26 PM PST	Winter Weather Advisory	HNX		15 hr
Dec 15, 4:26 AM PST	High Surf Advisory	LOX		8 hr
Dec 15, 1:58 PM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	61 hr
Dec 15, 9:19 PM PST	Wind Advisory	LOX	Los Angeles	53 hr
Dec 16, 12:19 AM PST	High Wind Watch	HNX		13 hr
Dec 16, 2:36 AM PST	Small Craft Advisory	MTR		4 days
Dec 16, 3:31 AM PST	Small Craft Advisory	EKA		7 days
Dec 16, 1:39 PM PST	Wind Advisory	HNX		35 hr
Dec 16, 2:52 PM PST	High Wind Warning	SGX	Orange, Riverside, San Bernardino, San Diego	31 hr
Dec 16, 3:18 PM PST	Freeze Warning	LOX		18 hr
Dec 16, 3:18 PM PST	High Wind Warning	LOX		28 hr
Dec 17, 2:21 AM PST	Lake Wind Advisory	VEF	San Bernardino	15 hr
Dec 17, 2:08 PM PST	High Surf Advisory	LOX	Los Angeles	55 hr
Dec 17, 2:20 PM PST	Winter Weather Advisory	MFR	Siskiyou	47 hr
Dec 18, 2:09 AM PST	Small Craft Advisory	LOX		42 hr
Dec 18, 3:20 AM PST	Gale Watch	EKA		24 hr
Dec 18, 3:21 AM PST	Small Craft Advisory	MTR		24 hr
Dec 18, 4:16 AM PST	Winter Weather Advisory	STO		18 hr
Dec 18, 2:50 PM PST	High Wind Warning	MFR	Modoc, Siskiyou	4 days
Dec 18, 8:55 PM PST	Frost Advisory	LOX	Los Angeles	12 hr
Dec 19, 3:00 AM PST	Small Craft Advisory	MTR		24 hr
Dec 19, 3:26 AM PST	Gale Warning	EKA		60 hr
Dec 19, 3:26 AM PST	Small Craft Advisory	EKA		59 hr
Dec 19, 3:31 AM PST	Wind Advisory	MFR	Modoc, Siskiyou	4 days
Dec 19, 1:52 PM PST	Winter Weather Advisory	STO		3 days
Dec 19, 8:43 PM PST	Frost Advisory	LOX		12 hr
Dec 20, 1:00 AM PST	High Surf Advisory	LOX		41 hr
Dec 20, 1:26 AM PST	Wind Advisory	EKA	Del Norte, Humboldt	39 hr
Dec 20, 2:08 AM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	17 hr
Dec 20, 3:21 AM PST	Small Craft Advisory	MTR		57 hr
Dec 20, 9:59 AM PST	High Wind Watch	HNX		16 hr
Dec 20, 11:45 AM PST	Winter Weather Advisory	HNX		4 days
Dec 20, 1:46 PM PST	Small Craft Advisory	LOX		49 hr
Dec 20, 2:47 PM PST	Winter Storm Watch	MFR	Siskiyou	13 hr
Dec 20, 2:47 PM PST	Winter Weather Advisory	MFR	Siskiyou	61 hr
Dec 20, 5:35 PM PST	Wind Advisory	HNX		49 hr
Dec 20, 6:46 PM PST	Wind Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more	45 hr
Dec 21, 2:20 AM PST	High Wind Warning	HNX		41 hr
Dec 21, 2:56 AM PST	Winter Weather Advisory	EKA		36 hr
Dec 21, 4:07 AM PST	Wind Advisory	MTR	Monterey, San Benito	27 hr
Dec 21, 4:14 AM PST	Winter Storm Warning	MFR	Siskiyou	23 hr
Dec 21, 1:27 PM PST	Winter Weather Advisory	LOX		57 hr
Dec 21, 1:28 PM PST	Wind Advisory	LOX	Santa Barbara	30 hr
Dec 21, 2:04 PM PST	Wind Advisory	SGX	San Bernardino	32 hr
Dec 21, 2:11 PM PST	Winter Weather Advisory	SGX	San Bernardino	62 hr
Dec 21, 2:46 PM PST	Gale Warning	MTR		15 hr
Dec 21, 7:40 PM PST	Wind Advisory	STO		19 hr
Dec 22, 2:28 AM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Mono, Nevada, Placer	50 hr
Dec 22, 2:31 AM PST	Coastal Flood Advisory	EKA	Humboldt	7 hr
Dec 22, 2:49 AM PST	Winter Weather Advisory	VEF	Inyo	48 hr
Dec 22, 6:42 AM PST	Small Craft Advisory	MTR		2 hr
Dec 22, 8:39 AM PST	Areal Flood Advisory	LOX	San Luis Obispo, Santa Barbara	5 hr
Dec 22, 9:09 AM PST	Small Craft Advisory	EKA		4 hr
Dec 22, 10:15 AM PST	Areal Flood Advisory	LOX	Santa Barbara	5 hr
Dec 22, 2:21 PM PST	Areal Flood Advisory	LOX	Ventura	9 hr
Dec 22, 2:32 PM PST	Small Craft Advisory	MTR		33 hr
Dec 22, 3:08 PM PST	Areal Flood Advisory	LOX	Santa Barbara	6 hr
Dec 22, 8:21 PM PST	Small Craft Advisory	LOX		30 hr
Dec 22, 8:32 PM PST	Small Craft Advisory	EKA		30 hr
Dec 22, 9:14 PM PST	Areal Flood Advisory	LOX	Los Angeles	9 hr
Dec 23, 2:00 AM PST	Dense Fog Advisory	STO		8 hr
Dec 23, 2:34 AM PST	Coastal Flood Advisory	EKA	Humboldt	8 hr
Dec 23, 3:47 AM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	6 hr
Dec 23, 6:16 AM PST	Areal Flood Advisory	SGX	Riverside, San Diego	3 hr
Dec 23, 8:20 AM PST	Small Craft Advisory	LOX		4 hr
Dec 23, 7:49 PM PST	Winter Storm Watch	HNX		8 hr
Dec 23, 7:49 PM PST	Winter Weather Advisory	HNX		8 hr
Dec 24, 2:08 AM PST	Small Craft Advisory	LOX		25 hr
Dec 24, 2:18 AM PST	Dense Fog Advisory	HNX		8 hr
Dec 24, 3:01 AM PST	Small Craft Advisory	EKA		4 days
Dec 24, 3:12 AM PST	Coastal Flood Advisory	EKA	Humboldt	8 hr
Dec 24, 3:52 AM PST	Winter Storm Watch	SGX	Riverside, San Bernardino, San Diego	24 hr
Dec 24, 4:12 AM PST	Winter Storm Warning	HNX		64 hr
Dec 24, 4:18 AM PST	Winter Storm Watch	PSR	San Bernardino	23 hr
Dec 24, 5:15 AM PST	Winter Storm Watch	LOX		27 hr
Dec 24, 10:53 AM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	58 hr
Dec 24, 12:27 PM PST	Winter Weather Advisory	LOX	Santa Barbara	44 hr
Dec 24, 1:34 PM PST	Winter Storm Watch	HNX		15 hr
Dec 24, 2:03 PM PST	Small Craft Advisory	MTR		4 days
Dec 24, 2:46 PM PST	Coastal Flood Advisory	EKA	Humboldt	21 hr
Dec 25, 1:05 AM PST	Small Craft Advisory	SGX		10 hr
Dec 25, 2:26 AM PST	Special Weather Statement	MTR	Marin	34 min
Dec 25, 2:34 AM PST	Winter Storm Warning	LOX		43 hr
Dec 25, 2:54 AM PST	Gale Warning	LOX		30 hr
Dec 25, 2:54 AM PST	Small Craft Advisory	LOX		4 days
Dec 25, 3:03 AM PST	Winter Storm Warning	PSR	San Bernardino	50 hr
Dec 25, 3:04 AM PST	Flash Flood Watch	PSR	Imperial, Riverside, San Bernardino	42 hr
Dec 25, 3:11 AM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	29 hr
Dec 25, 3:24 AM PST	High Surf Advisory	LOX		3 days
Dec 25, 3:36 AM PST	Winter Storm Warning	SGX	Riverside, San Bernardino, San Diego	47 hr
Dec 25, 3:36 AM PST	Winter Weather Advisory	SGX	San Bernardino	47 hr
Dec 25, 3:49 AM PST	Special Marine Warning	MTR		41 min
Dec 25, 3:50 AM PST	Flash Flood Watch	VEF	San Bernardino	41 hr
Dec 25, 4:00 AM PST	Wind Advisory	LOX	Los Angeles	28 hr
Dec 25, 4:03 AM PST	Winter Weather Advisory	VEF	Inyo, San Bernardino	54 hr
Dec 25, 4:16 AM PST	Winter Weather Advisory	HNX		40 hr
Dec 25, 5:08 AM PST	Beach Hazards Statement	EKA	Del Norte, Humboldt, Mendocino	34 hr
Dec 25, 6:16 AM PST	Special Marine Warning	MTR		29 min
Dec 25, 6:30 AM PST	Special Marine Warning	MTR		30 min
Dec 25, 6:43 AM PST	Special Marine Warning	MTR		32 min
Dec 25, 7:58 AM PST	Special Marine Warning	MTR		32 min
Dec 25, 8:22 AM PST	Special Marine Warning	MTR		23 min
Dec 25, 8:37 AM PST	Special Marine Warning	MTR		23 min
Dec 25, 9:08 AM PST	Special Marine Warning	MTR		4 min
Dec 25, 9:13 AM PST	Special Marine Warning	MTR		47 min
Dec 25, 9:53 AM PST	Special Marine Warning	MTR		37 min
Dec 25, 10:22 AM PST	Special Marine Warning	MTR		20 min
Dec 25, 10:44 AM PST	Special Marine Warning	MTR		31 min
Dec 25, 10:49 AM PST	Special Marine Warning	MTR		26 min
Dec 25, 11:21 AM PST	Gale Warning	SGX		25 hr
Dec 25, 11:33 AM PST	Special Marine Warning	MTR		27 min
Dec 25, 11:35 AM PST	Special Marine Warning	MTR		25 min
Dec 25, 11:52 AM PST	Special Marine Warning	MTR		38 min
Dec 25, 11:54 AM PST	Special Marine Warning	MTR		36 min
Dec 25, 2:02 PM PST	Gale Warning	LOX		19 hr
Dec 25, 4:32 PM PST	Special Marine Warning	LOX		28 min
Dec 25, 4:38 PM PST	Special Weather Statement	LOX	Santa Barbara	37 min
Dec 25, 5:12 PM PST	Special Marine Warning	LOX		108 min
Dec 25, 5:13 PM PST	Areal Flood Advisory	LOX	Santa Barbara	6 hr
Dec 25, 5:24 PM PST	Areal Flood Advisory	LOX	San Luis Obispo	3 hr
Dec 25, 6:48 PM PST	Special Marine Warning	LOX		117 min
Dec 25, 7:02 PM PST	Special Marine Warning	LOX		58 min
Dec 25, 7:19 PM PST	Flash Flood Warning Considerable damage threat	LOX	Santa Barbara	86 min
Dec 25, 7:35 PM PST	Areal Flood Advisory	LOX	Ventura	6 hr
Dec 25, 8:17 PM PST	Areal Flood Advisory	LOX	San Luis Obispo	58 min
Dec 25, 8:51 PM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	25 hr
Dec 25, 8:58 PM PST	Special Marine Warning	LOX		2 hr
Dec 25, 9:20 PM PST	Areal Flood Advisory	LOX	Los Angeles	6 hr
Dec 25, 9:34 PM PST	Tornado Warning	LOX	Santa Barbara	26 min
Dec 25, 9:55 PM PST	Tornado Warning	LOX	Santa Barbara	18 min
Dec 25, 9:56 PM PST	Special Weather Statement	LOX	Ventura	49 min
Dec 25, 10:42 PM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	7 hr
Dec 26, 12:05 AM PST	Tornado Warning	SGX	Orange	9 min
Dec 26, 12:23 AM PST	Special Marine Warning	LOX		52 min
Dec 26, 2:24 AM PST	Special Marine Warning	LOX		51 min
Dec 26, 2:36 AM PST	Special Marine Warning	SGX		39 min
Dec 26, 3:07 AM PST	Areal Flood Advisory	SGX	Orange, Riverside, San Diego	4 hr
Dec 26, 3:13 AM PST	Special Marine Warning	SGX		62 min
Dec 26, 3:18 AM PST	Areal Flood Advisory	LOX	Los Angeles	117 min
Dec 26, 4:17 AM PST	Special Marine Warning	SGX		28 min
Dec 26, 5:15 AM PST	Special Marine Warning	LOX		2 hr
Dec 26, 6:38 AM PST	Coastal Flood Advisory	EKA	Humboldt	6 hr
Dec 26, 7:07 AM PST	Areal Flood Advisory	SGX	Riverside, San Diego	3 hr
Dec 26, 8:03 AM PST	Wind Advisory	LOX	Los Angeles	26 hr
Dec 26, 8:35 AM PST	Flash Flood Warning	PSR	Imperial, Riverside	3 hr
Dec 26, 10:43 AM PST	Areal Flood Advisory	VEF	San Bernardino	4 hr
Dec 26, 1:50 PM PST	Small Craft Advisory	MTR		36 hr
Dec 26, 2:09 PM PST	Frost Advisory	LOX		18 hr
Dec 27, 4:48 AM PST	Dense Fog Advisory	HNX		5 hr
Dec 27, 8:15 AM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	13 hr
Dec 27, 12:57 PM PST	Winter Storm Watch	SGX	Riverside, San Bernardino, San Diego	48 hr
Dec 27, 1:27 PM PST	Winter Storm Watch	HNX		24 hr
Dec 27, 1:31 PM PST	Frost Advisory	LOX		19 hr
Dec 27, 1:31 PM PST	Freeze Warning	LOX		19 hr
Dec 27, 1:53 PM PST	Winter Storm Watch	LOX		38 hr
Dec 27, 9:00 PM PST	Dense Fog Advisory	HNX		13 hr
Dec 27, 11:00 PM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	10 hr
Dec 28, 1:15 PM PST	Winter Weather Advisory	HNX		46 hr
Dec 28, 2:22 PM PST	Small Craft Advisory	EKA		6 days
Dec 28, 2:37 PM PST	Small Craft Advisory	MTR		6 days
Dec 28, 2:50 PM PST	Winter Weather Advisory	EKA	Trinity	28 hr
Dec 29, 4:13 AM PST	Winter Weather Advisory	LOX		22 hr
Dec 29, 8:34 AM PST	Small Craft Advisory	LOX		5 days
Dec 29, 9:02 AM PST	High Surf Advisory	LOX		5 days
Dec 29, 12:44 PM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	42 hr
Dec 29, 12:53 PM PST	Winter Weather Advisory	SGX	Riverside, San Bernardino	25 hr
Dec 29, 6:28 PM PST	Dense Fog Advisory	HNX		12 hr
Dec 29, 8:02 PM PST	Wind Advisory	LOX	Los Angeles	43 hr
Dec 30, 3:46 AM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	53 hr
Dec 30, 10:52 AM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	29 hr
Dec 30, 12:16 PM PST	Dense Fog Advisory	HNX		22 hr
Dec 30, 7:48 PM PST	Freezing Fog Advisory	HNX		11 hr
Dec 30, 10:18 PM PST	High Wind Warning	LOX		17 hr
Dec 31, 12:01 PM PST	Small Craft Advisory	LOX		9 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
Severe Thunderstorm Warning	1
Tornado Warning	3
Mesoscale Discussion	1
Special Weather Statement	32
Flooding
Areal Flood Warning	5
Flash Flood Warning	2
Flash Flood Watch	8
Areal Flood Advisory	47
Winter
Winter Storm Warning	9
Winter Storm Watch	16
Winter Weather Advisory	36
Cold
Freeze Warning	2
Frost Advisory	4
Wind and dust
High Wind Warning	7
High Wind Watch	3
Lake Wind Advisory	5
Wind Advisory	32
Fog and smoke
Dense Fog Advisory	26
Freezing Fog Advisory	1
Coast and beach
Coastal Flood Advisory	5
High Surf Advisory	15
Beach Hazards Statement	8
Marine
Gale Warning	11
Hazardous Seas Warning	1
Special Marine Warning	32
Gale Watch	6
Marine Dense Fog Advisory	1
Small Craft Advisory	46
Small Craft Advisory for Rough Bar	1

By county

Every county with at least one alert. A county page lists each alert that covered it.

12 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2018 2020

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.