Weather alerts in California, April 2023

214 weather alerts in April 2023, 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 April 2023. Tap one for its archive.

Alerts: 214
Warnings: 42
Watches: 25
Advisories: 145
Busiest day: April 2, 202323 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
Mar 31, 9:51 PM PDT	Small Craft Advisory	MTR		4 days
Apr 1, 1:02 AM PDT	High Wind Watch	HNX	Kern, Tulare	23 hr
Apr 1, 1:06 AM PDT	High Wind Watch	VEF	Inyo, San Bernardino	23 hr
Apr 1, 2:32 AM PDT	Gale Warning	MTR		3 days
Apr 1, 3:00 AM PDT	High Wind Watch	SGX	Riverside, San Bernardino, San Diego	24 hr
Apr 1, 3:12 AM PDT	High Wind Watch	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	35 hr
Apr 1, 8:02 AM PDT	Winter Weather Advisory	EKA	Del Norte, Humboldt	47 hr
Apr 1, 12:37 PM PDT	Gale Watch	SGX		24 hr
Apr 1, 12:52 PM PDT	High Wind Watch	PSR	Imperial	13 hr
Apr 1, 2:05 PM PDT	Gale Watch	LOX		24 hr
Apr 1, 2:19 PM PDT	Winter Weather Advisory	STO		42 hr
Apr 1, 3:05 PM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	44 hr
Apr 1, 3:18 PM PDT	Wind Advisory	REV	Mono	54 hr
Apr 1, 8:54 PM PDT	Small Craft Advisory	EKA		66 hr
Apr 2, 12:03 AM PDT	High Wind Warning	HNX	Kern, Tulare	53 hr
Apr 2, 12:23 AM PDT	High Wind Warning	VEF	Inyo, San Bernardino	53 hr
Apr 2, 12:23 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	53 hr
Apr 2, 1:44 AM PDT	High Wind Warning	PSR	Imperial, Riverside	45 hr
Apr 2, 1:44 AM PDT	Wind Advisory	PSR	Imperial, Riverside, San Bernardino	51 hr
Apr 2, 2:09 AM PDT	Wind Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	54 hr
Apr 2, 2:34 AM PDT	Gale Watch	MTR		11 hr
Apr 2, 2:55 AM PDT	High Wind Warning	SGX	Riverside, San Bernardino, San Diego	44 hr
Apr 2, 2:55 AM PDT	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	48 hr
Apr 2, 8:08 AM PDT	Wind Advisory	HNX	Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more	39 hr
Apr 2, 12:25 PM PDT	Gale Warning	SGX		37 hr
Apr 2, 12:28 PM PDT	High Surf Advisory	SGX	Orange, San Diego	47 hr
Apr 2, 12:39 PM PDT	Winter Weather Advisory	HNX	Fresno, Tulare	34 hr
Apr 2, 1:25 PM PDT	Wind Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	34 hr
Apr 2, 1:52 PM PDT	High Surf Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	45 hr
Apr 2, 1:54 PM PDT	Frost Advisory	STO		19 hr
Apr 2, 1:54 PM PDT	Frost Advisory	STO		43 hr
Apr 2, 1:54 PM PDT	Wind Advisory	STO		29 hr
Apr 2, 2:04 PM PDT	High Wind Warning	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	37 hr
Apr 2, 2:08 PM PDT	Freeze Warning	EKA	Mendocino	19 hr
Apr 2, 2:08 PM PDT	Hard Freeze Warning	EKA	Lake, Mendocino	19 hr
Apr 2, 2:13 PM PDT	Gale Warning	LOX		36 hr
Apr 3, 12:52 AM PDT	Blowing Dust Advisory	PSR	Imperial, Riverside	22 hr
Apr 3, 2:09 AM PDT	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	30 hr
Apr 3, 5:26 AM PDT	Dense Fog Advisory	HNX	Kern	5 hr
Apr 3, 6:49 AM PDT	Special Weather Statement	HNX		56 min
Apr 3, 7:44 AM PDT	Special Weather Statement	HNX		61 min
Apr 3, 11:15 AM PDT	Dust Storm Warning	VEF	San Bernardino	2 hr
Apr 3, 1:06 PM PDT	Dust Storm Warning	VEF	San Bernardino	114 min
Apr 3, 1:11 PM PDT	Frost Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	19 hr
Apr 3, 1:11 PM PDT	Freeze Warning	LOX	Los Angeles, San Luis Obispo, Santa Barbara	19 hr
Apr 3, 2:31 PM PDT	Freeze Warning	EKA	Del Norte, Humboldt, Mendocino	18 hr
Apr 3, 2:31 PM PDT	Hard Freeze Warning	EKA	Lake, Mendocino	18 hr
Apr 3, 4:28 PM PDT	Dust Storm Warning	PSR	Imperial	2 hr
Apr 3, 6:14 PM PDT	Dust Storm Warning	PSR	Riverside, San Bernardino	2 hr
Apr 3, 7:39 PM PDT	Frost Advisory	EKA	Mendocino	13 hr
Apr 3, 11:12 PM PDT	Small Craft Advisory	LOX		58 hr
Apr 4, 1:17 AM PDT	Small Craft Advisory	SGX		23 hr
Apr 4, 3:01 AM PDT	Gale Watch	EKA		25 hr
Apr 4, 12:43 PM PDT	Frost Advisory	SGX	Riverside, San Bernardino, San Diego	19 hr
Apr 4, 2:08 PM PDT	Frost Advisory	EKA	Humboldt, Mendocino	19 hr
Apr 4, 2:08 PM PDT	Freeze Warning	EKA	Humboldt, Mendocino	19 hr
Apr 4, 2:08 PM PDT	Hard Freeze Warning	EKA	Lake, Mendocino	19 hr
Apr 4, 2:22 PM PDT	Frost Advisory	MTR	Marin, Napa, Sonoma	18 hr
Apr 4, 2:25 PM PDT	Frost Advisory	STO		19 hr
Apr 4, 2:34 PM PDT	Small Craft Advisory	MTR		30 hr
Apr 4, 7:38 PM PDT	Frost Advisory	LOX	Los Angeles, San Luis Obispo, Ventura	12 hr
Apr 4, 7:38 PM PDT	Freeze Warning	LOX	Los Angeles, San Luis Obispo, Santa Barbara	12 hr
Apr 5, 2:55 AM PDT	Small Craft Advisory	MTR		54 hr
Apr 5, 3:31 AM PDT	Gale Warning	EKA		44 hr
Apr 5, 3:31 AM PDT	Small Craft Advisory	EKA		47 hr
Apr 5, 1:28 PM PDT	Wind Advisory	MFR	Siskiyou	31 hr
Apr 5, 9:56 PM PDT	Wind Advisory	EKA	Del Norte, Humboldt	23 hr
Apr 6, 11:51 AM PDT	Winter Weather Advisory	STO		25 hr
Apr 6, 2:16 PM PDT	Small Craft Advisory	LOX		37 hr
Apr 6, 8:37 PM PDT	Small Craft Advisory	EKA		15 hr
Apr 7, 3:03 AM PDT	Small Craft Advisory	EKA		9 hr
Apr 7, 9:58 AM PDT	River Flood Warning	HNX	Merced	3 days
Apr 7, 7:41 PM PDT	Areal Flood Advisory	STO	Tehama	3 hr
Apr 8, 3:29 AM PDT	Small Craft Advisory	EKA		45 hr
Apr 8, 6:46 PM PDT	Small Craft Advisory	LOX		32 hr
Apr 9, 2:35 AM PDT	Small Craft Advisory	MTR		24 hr
Apr 9, 6:13 AM PDT	Dense Fog Advisory	LOX	Santa Barbara, Ventura	3 hr
Apr 9, 1:51 PM PDT	Dense Fog Advisory	SGX	Orange, San Diego	20 hr
Apr 9, 2:36 PM PDT	Small Craft Advisory	MTR		66 hr
Apr 9, 3:27 PM PDT	Dense Fog Advisory	LOX	Los Angeles, Santa Barbara, Ventura	20 hr
Apr 10, 1:00 AM PDT	Wind Advisory	REV	Modoc	28 hr
Apr 10, 2:32 AM PDT	Small Craft Advisory	EKA		19 hr
Apr 10, 2:32 AM PDT	Small Craft Advisory	EKA		3 days
Apr 10, 2:37 AM PDT	Gale Watch	MTR		12 hr
Apr 10, 2:37 AM PDT	Small Craft Advisory	MTR		5 days
Apr 10, 3:08 AM PDT	Gale Watch	LOX		11 hr
Apr 10, 3:08 AM PDT	Small Craft Advisory	LOX		54 hr
Apr 10, 3:34 AM PDT	Wind Advisory	MFR	Modoc	25 hr
Apr 10, 2:13 PM PDT	Gale Watch	EKA		13 hr
Apr 10, 2:30 PM PDT	Dense Fog Advisory	SGX	Orange, San Diego	19 hr
Apr 10, 2:33 PM PDT	Gale Warning	LOX		3 days
Apr 10, 2:46 PM PDT	Gale Warning	MTR		60 hr
Apr 11, 2:33 AM PDT	Gale Watch	LOX		18 hr
Apr 11, 2:33 AM PDT	Small Craft Advisory	LOX		31 hr
Apr 11, 2:45 AM PDT	Gale Watch	MTR		12 hr
Apr 11, 2:52 AM PDT	Gale Warning	EKA		49 hr
Apr 11, 2:58 AM PDT	Freeze Watch	EKA	Humboldt, Mendocino	11 hr
Apr 11, 3:11 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara, Ventura	47 hr
Apr 11, 5:06 AM PDT	Dense Fog Advisory	LOX	Los Angeles, Ventura	4 hr
Apr 11, 12:04 PM PDT	Wind Advisory	STO		47 hr
Apr 11, 12:05 PM PDT	Wind Advisory	HNX	Kern	41 hr
Apr 11, 1:14 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	40 hr
Apr 11, 1:22 PM PDT	Small Craft Advisory	SGX		43 hr
Apr 11, 1:23 PM PDT	Wind Advisory	PSR	Imperial	46 hr
Apr 11, 2:07 PM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	45 hr
Apr 11, 2:17 PM PDT	Small Craft Advisory	LOX		3 days
Apr 11, 2:22 PM PDT	Frost Advisory	EKA	Mendocino	19 hr
Apr 11, 2:22 PM PDT	Freeze Warning	EKA	Lake, Mendocino	19 hr
Apr 12, 1:12 AM PDT	High Surf Advisory	LOX	San Luis Obispo, Santa Barbara	38 hr
Apr 12, 1:43 AM PDT	Wind Advisory	MTR	Marin, Sonoma	19 hr
Apr 12, 2:04 AM PDT	Hazardous Seas Warning	EKA		12 hr
Apr 12, 3:10 AM PDT	Wind Advisory	EKA	Mendocino	18 hr
Apr 12, 9:35 AM PDT	Small Craft Advisory	LOX		5 hr
Apr 12, 2:03 PM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Mendocino	19 hr
Apr 12, 2:03 PM PDT	Freeze Warning	EKA	Del Norte, Humboldt, Lake, Mendocino	19 hr
Apr 13, 3:57 AM PDT	Small Craft Advisory	EKA		29 hr
Apr 13, 4:52 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara	22 hr
Apr 13, 5:12 AM PDT	Wind Advisory	HNX	Kern	23 hr
Apr 13, 1:36 PM PDT	Flood Watch	REV	Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more	14 min
Apr 13, 1:50 PM PDT	Flood Watch	REV	Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more	3 days
Apr 13, 2:00 PM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Mendocino	19 hr
Apr 13, 2:00 PM PDT	Freeze Warning	EKA	Del Norte, Humboldt, Lake, Mendocino	19 hr
Apr 14, 8:55 AM PDT	River Flood Warning	HNX	Merced	3 days
Apr 14, 9:12 AM PDT	Areal Flood Advisory	HNX	Fresno, Madera	35 days
Apr 14, 9:50 AM PDT	Areal Flood Advisory	HNX	Fresno, Kings, Tulare	3 days
Apr 14, 2:43 PM PDT	Small Craft Advisory	MTR		30 hr
Apr 14, 4:35 PM PDT	Areal Flood Advisory	REV	Plumas	36 days
Apr 15, 9:56 AM PDT	Small Craft Advisory	MTR		4 days
Apr 15, 12:35 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	31 hr
Apr 15, 12:35 PM PDT	Wind Advisory	REV	Modoc	31 hr
Apr 15, 12:59 PM PDT	Small Craft Advisory	LOX		7 days
Apr 15, 2:55 PM PDT	Frost Advisory	EKA	Mendocino	18 hr
Apr 16, 2:38 AM PDT	Small Craft Advisory	EKA		11 hr
Apr 16, 9:43 AM PDT	Small Craft Advisory	MTR		65 hr
Apr 16, 12:59 PM PDT	Winter Weather Advisory	STO		45 hr
Apr 16, 1:28 PM PDT	Wind Advisory	PSR	Imperial	40 hr
Apr 16, 1:28 PM PDT	Wind Advisory	PSR	Imperial	64 hr
Apr 16, 1:35 PM PDT	Small Craft Advisory	SGX		4 days
Apr 16, 1:43 PM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	63 hr
Apr 16, 1:58 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	42 hr
Apr 16, 1:58 PM PDT	Wind Advisory	REV	Lassen, Modoc, Mono, Plumas, Sierra	45 hr
Apr 16, 2:25 PM PDT	Small Craft Advisory	EKA		61 hr
Apr 16, 9:10 PM PDT	Gale Warning	LOX		3 days
Apr 17, 12:45 AM PDT	Wind Advisory	HNX	Kern	3 days
Apr 17, 12:47 AM PDT	Wind Advisory	VEF	San Bernardino	49 hr
Apr 17, 1:16 AM PDT	Winter Weather Advisory	MFR	Modoc, Siskiyou	22 hr
Apr 17, 2:59 AM PDT	Gale Watch	LOX		24 hr
Apr 17, 2:59 AM PDT	Small Craft Advisory	LOX		47 hr
Apr 17, 3:36 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara, Ventura	71 hr
Apr 17, 8:46 AM PDT	Small Craft Advisory	MTR		3 days
Apr 17, 2:40 PM PDT	Winter Weather Advisory	EKA	Del Norte, Humboldt, Trinity	12 hr
Apr 17, 5:06 PM PDT	Areal Flood Warning	HNX	Fresno, Kings, Tulare	32 days
Apr 18, 2:50 AM PDT	Small Craft Advisory	LOX		23 hr
Apr 18, 2:54 AM PDT	Small Craft Advisory	MTR		66 hr
Apr 18, 3:51 AM PDT	Winter Weather Advisory	EKA	Del Norte, Humboldt	29 hr
Apr 18, 8:54 AM PDT	Wind Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	70 hr
Apr 18, 9:15 AM PDT	River Flood Warning	HNX	Merced	72 hr
Apr 19, 2:53 AM PDT	Small Craft Advisory	MTR		4 days
Apr 19, 3:10 AM PDT	Frost Advisory	EKA	Lake, Mendocino	6 hr
Apr 19, 1:02 PM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Mendocino	20 hr
Apr 19, 1:02 PM PDT	Freeze Warning	EKA	Del Norte, Humboldt, Lake, Mendocino	20 hr
Apr 19, 2:59 PM PDT	Gale Warning	MTR		30 hr
Apr 20, 2:02 AM PDT	Small Craft Advisory	LOX		4 days
Apr 20, 2:52 AM PDT	Small Craft Advisory	MTR		60 hr
Apr 20, 3:05 AM PDT	Wind Advisory	LOX	Los Angeles, Ventura	6 hr
Apr 20, 1:51 PM PDT	Gale Watch	LOX		32 hr
Apr 20, 2:31 PM PDT	Gale Warning	MTR		61 hr
Apr 20, 2:42 PM PDT	Small Craft Advisory	EKA		54 hr
Apr 21, 12:26 PM PDT	Gale Watch	MTR		9 hr
Apr 21, 12:26 PM PDT	Small Craft Advisory	MTR		33 hr
Apr 21, 8:40 PM PDT	Wind Advisory	LOX	Santa Barbara, Ventura	9 hr
Apr 21, 9:51 PM PDT	Gale Warning	LOX		71 hr
Apr 21, 9:51 PM PDT	Small Craft Advisory	LOX		53 hr
Apr 22, 11:59 AM PDT	Wind Advisory	HNX	Kern	41 hr
Apr 22, 5:44 PM PDT	Wind Advisory	LOX	Santa Barbara, Ventura	12 hr
Apr 22, 8:37 PM PDT	Small Craft Advisory	MTR		4 days
Apr 23, 2:52 AM PDT	Small Craft Advisory	EKA		19 hr
Apr 23, 3:01 AM PDT	Gale Warning	MTR		48 hr
Apr 23, 3:01 AM PDT	Small Craft Advisory	MTR		42 hr
Apr 23, 3:09 AM PDT	Dense Fog Advisory	LOX	Santa Barbara	6 hr
Apr 23, 3:09 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara, Ventura	24 hr
Apr 23, 2:36 PM PDT	Small Craft Advisory	EKA		5 days
Apr 23, 9:24 PM PDT	Gale Watch	EKA		5 hr
Apr 24, 2:40 AM PDT	Gale Watch	EKA		18 hr
Apr 24, 2:58 AM PDT	Small Craft Advisory	LOX		48 hr
Apr 24, 3:06 AM PDT	Wind Advisory	LOX	Los Angeles	24 hr
Apr 24, 12:28 PM PDT	Wind Advisory	HNX	Kern	17 hr
Apr 24, 1:00 PM PDT	Flood Watch	HNX	Madera, Mariposa, Tuolumne	7 days
Apr 24, 2:36 PM PDT	Flood Watch	REV	Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more	6 days
Apr 24, 8:35 PM PDT	Gale Warning	EKA		6 hr
Apr 25, 2:49 AM PDT	Small Craft Advisory	MTR		24 hr
Apr 26, 6:27 AM PDT	Dense Fog Advisory	MTR	Monterey, City and County of San Francisco, San Mateo, Santa Cruz	3 hr
Apr 26, 6:42 AM PDT	Marine Dense Fog Advisory	MTR		3 hr
Apr 26, 6:42 AM PDT	Small Craft Advisory	MTR		20 hr
Apr 26, 7:18 PM PDT	Dense Fog Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	14 hr
Apr 26, 8:30 PM PDT	Dense Fog Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	13 hr
Apr 27, 6:27 AM PDT	Marine Dense Fog Advisory	MTR		3 hr
Apr 27, 8:39 PM PDT	Dense Fog Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	12 hr
Apr 28, 2:42 AM PDT	Small Craft Advisory	MTR		18 hr
Apr 28, 2:42 AM PDT	Small Craft Advisory	MTR		4 days
Apr 28, 9:06 AM PDT	River Flood Warning	HNX	Mariposa	47 hr
Apr 28, 8:34 PM PDT	Gale Watch	LOX		17 hr
Apr 29, 2:44 AM PDT	Small Craft Advisory	LOX		36 hr
Apr 29, 3:03 AM PDT	Gale Warning	MTR		42 hr
Apr 29, 3:03 AM PDT	Small Craft Advisory	MTR		66 hr
Apr 29, 1:02 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	3 days
Apr 29, 1:16 PM PDT	Gale Warning	LOX		38 hr
Apr 29, 8:33 PM PDT	Small Craft Advisory	LOX		30 hr
Apr 29, 9:11 PM PDT	Small Craft Advisory	EKA		66 hr
Apr 30, 2:22 AM PDT	Wind Advisory	PSR	Imperial, Riverside	51 hr
Apr 30, 2:30 AM PDT	Small Craft Advisory	MTR		49 hr
Apr 30, 3:00 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara	30 hr
Apr 30, 4:30 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	46 hr
Apr 30, 10:56 AM PDT	Wind Advisory	HNX	Kern	42 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	2
Flooding
Areal Flood Warning	1
River Flood Warning	4
Flood Watch	4
Areal Flood Advisory	4
Winter
Winter Weather Advisory	9
Cold
Freeze Warning	9
Hard Freeze Warning	3
Freeze Watch	1
Frost Advisory	16
Wind and dust
Dust Storm Warning	4
High Wind Warning	5
High Wind Watch	5
Blowing Dust Advisory	1
Lake Wind Advisory	2
Wind Advisory	43
Fog and smoke
Dense Fog Advisory	11
Coast and beach
High Surf Advisory	3
Marine
Gale Warning	15
Hazardous Seas Warning	1
Gale Watch	15
Marine Dense Fog Advisory	2
Small Craft Advisory	54

Nearby

Alerts in force now Tornadoes on record The radar archive 2022 2024

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.