Weather alerts in California, April 2026

347 weather alerts in April 2026, 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 2026. Tap one for its archive.

Alerts: 347
Warnings: 90
Watches: 16
Advisories: 121
Busiest day: April 10, 202663 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, 6:34 PM PDT	Severe Thunderstorm Warning	STO	Butte, Glenn, Tehama	26 min
Mar 31, 7:29 PM PDT	Areal Flood Advisory	STO	Glenn, Tehama	3 hr
Mar 31, 9:51 PM PDT	High Wind Warning	HNX	Kern	62 hr
Mar 31, 10:04 PM PDT	Gale Warning	EKA		17 hr
Apr 1, 11:03 AM PDT	Freeze Watch	MFR	Siskiyou	9 hr
Apr 1, 11:24 AM PDT	High Wind Watch	LOX	Los Angeles, Ventura	24 hr
Apr 1, 11:24 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara, Ventura	3 days
Apr 1, 2:36 PM PDT	Hazardous Seas Warning	EKA		20 hr
Apr 1, 8:29 PM PDT	Freeze Warning	MFR	Siskiyou	37 hr
Apr 1, 9:42 PM PDT	Gale Watch	LOX		15 hr
Apr 2, 2:58 AM PDT	Small Craft Advisory	MTR		18 hr
Apr 2, 8:59 AM PDT	Lake Wind Advisory	HNX	Kern, Tulare	14 hr
Apr 2, 10:13 AM PDT	Small Craft Advisory	EKA		49 hr
Apr 2, 10:51 AM PDT	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	50 hr
Apr 2, 11:18 AM PDT	High Wind Warning	LOX	Los Angeles, Ventura	31 hr
Apr 2, 11:18 AM PDT	Wind Advisory	LOX	Los Angeles, San Luis Obispo, Ventura	52 hr
Apr 2, 12:37 PM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Lake, Mendocino	20 hr
Apr 3, 6:12 AM PDT	Wind Advisory	PSR	Imperial, Riverside	6 hr
Apr 3, 11:36 AM PDT	Lake Wind Advisory	VEF	San Bernardino	29 hr
Apr 3, 11:50 AM PDT	Frost Advisory	EKA	Lake, Mendocino	21 hr
Apr 4, 9:06 PM PDT	Small Craft Advisory	LOX		64 hr
Apr 5, 8:49 AM PDT	Small Craft Advisory	MTR		66 hr
Apr 6, 5:27 AM PDT	Wind Advisory	LOX	Santa Barbara	27 hr
Apr 6, 10:05 PM PDT	Wind Advisory	HNX	Kern	3 days
Apr 7, 7:50 AM PDT	Small Craft Advisory	LOX		51 hr
Apr 7, 10:46 AM PDT	Wind Advisory	LOX	Santa Barbara	13 hr
Apr 7, 1:26 PM PDT	Gale Watch	LOX		18 hr
Apr 7, 1:26 PM PDT	Small Craft Advisory	LOX		14 hr
Apr 7, 2:27 PM PDT	Lake Wind Advisory	HNX	Kern, Tulare	16 hr
Apr 8, 7:51 AM PDT	Gale Warning	LOX		19 hr
Apr 8, 7:51 AM PDT	Small Craft Advisory	LOX		39 hr
Apr 8, 12:19 PM PDT	Winter Storm Watch	STO		23 hr
Apr 8, 1:27 PM PDT	Winter Storm Watch	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	43 hr
Apr 8, 1:56 PM PDT	Special Weather Statement	EKA		34 min
Apr 8, 1:59 PM PDT	Special Weather Statement	EKA	Trinity	31 min
Apr 8, 2:14 PM PDT	Special Weather Statement	EKA	Trinity	31 min
Apr 8, 2:20 PM PDT	Special Weather Statement	EKA	Humboldt	25 min
Apr 8, 2:41 PM PDT	Special Weather Statement	EKA	Humboldt	34 min
Apr 8, 2:43 PM PDT	Special Weather Statement	EKA	Trinity	32 min
Apr 8, 2:45 PM PDT	Special Weather Statement	EKA	Trinity	30 min
Apr 8, 2:50 PM PDT	Winter Storm Watch	HNX	Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne	20 hr
Apr 8, 2:58 PM PDT	Special Weather Statement	EKA	Trinity	32 min
Apr 8, 3:04 PM PDT	Special Weather Statement	EKA	Trinity	26 min
Apr 8, 3:16 PM PDT	Special Weather Statement	EKA	Trinity	29 min
Apr 8, 3:30 PM PDT	Special Weather Statement	EKA	Trinity	30 min
Apr 8, 3:43 PM PDT	Special Weather Statement	EKA	Trinity	32 min
Apr 8, 3:58 PM PDT	Special Weather Statement	EKA	Trinity	32 min
Apr 8, 4:03 PM PDT	Special Weather Statement	EKA	Trinity	27 min
Apr 8, 4:34 PM PDT	Special Weather Statement	EKA	Trinity	26 min
Apr 8, 5:27 PM PDT	Special Weather Statement	EKA	Trinity	33 min
Apr 8, 5:37 PM PDT	Severe Thunderstorm Warning	STO	Colusa, Sutter	38 min
Apr 8, 6:23 PM PDT	Severe Thunderstorm Warning	STO	Butte, Colusa, Sutter	37 min
Apr 8, 6:57 PM PDT	Special Weather Statement	EKA	Humboldt	33 min
Apr 8, 7:22 PM PDT	Severe Thunderstorm Warning	STO	Butte, Glenn	23 min
Apr 8, 7:32 PM PDT	Severe Thunderstorm Warning	STO	Butte, Colusa, Glenn	43 min
Apr 8, 7:39 PM PDT	Severe Thunderstorm Warning	STO	Butte, Glenn	27 min
Apr 8, 7:46 PM PDT	Special Weather Statement	EKA		44 min
Apr 9, 7:22 AM PDT	Small Craft Advisory	LOX		4 hr
Apr 9, 10:52 AM PDT	Winter Storm Warning	HNX	Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne	4 days
Apr 9, 10:57 AM PDT	Special Weather Statement	EKA	Humboldt	33 min
Apr 9, 11:29 AM PDT	Special Weather Statement	EKA	Trinity	31 min
Apr 9, 11:40 AM PDT	Special Weather Statement	EKA	Humboldt	35 min
Apr 9, 11:46 AM PDT	Winter Storm Warning	STO		3 days
Apr 9, 11:59 AM PDT	Special Weather Statement	EKA	Trinity	31 min
Apr 9, 12:04 PM PDT	Special Weather Statement	EKA		26 min
Apr 9, 12:04 PM PDT	Mesoscale Discussion	SPC	Del Norte, Trinity	116 min
Apr 9, 12:18 PM PDT	Special Weather Statement	EKA	Trinity	27 min
Apr 9, 12:29 PM PDT	Special Weather Statement	EKA		31 min
Apr 9, 12:39 PM PDT	Severe Thunderstorm Warning	EKA	Humboldt	29 min
Apr 9, 12:46 PM PDT	Gale Watch	MTR		14 hr
Apr 9, 12:48 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	27 min
Apr 9, 12:49 PM PDT	Special Weather Statement	EKA	Trinity	26 min
Apr 9, 1:12 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	33 min
Apr 9, 1:20 PM PDT	Special Weather Statement	EKA	Trinity	25 min
Apr 9, 1:37 PM PDT	Special Weather Statement	EKA	Trinity	23 min
Apr 9, 1:50 PM PDT	Special Weather Statement	EKA	Trinity	25 min
Apr 9, 2:39 PM PDT	Special Weather Statement	EKA	Trinity	36 min
Apr 9, 2:55 PM PDT	Special Weather Statement	EKA	Trinity	35 min
Apr 9, 2:57 PM PDT	Special Weather Statement	EKA	Trinity	33 min
Apr 9, 3:32 PM PDT	Special Weather Statement	EKA	Trinity	28 min
Apr 9, 3:36 PM PDT	Severe Thunderstorm Warning	STO	Shasta	14 min
Apr 9, 3:42 PM PDT	Special Weather Statement	EKA	Trinity	33 min
Apr 9, 3:46 PM PDT	Special Weather Statement	HNX	Tuolumne	29 min
Apr 9, 3:46 PM PDT	Severe Thunderstorm Warning	STO	Tehama	29 min
Apr 9, 4:00 PM PDT	Special Weather Statement	MFR	Siskiyou	30 min
Apr 9, 4:09 PM PDT	Severe Thunderstorm Warning	STO	Tehama	36 min
Apr 9, 4:19 PM PDT	Special Weather Statement	EKA	Trinity	26 min
Apr 9, 4:39 PM PDT	Special Weather Statement	EKA	Trinity	36 min
Apr 9, 5:01 PM PDT	Special Weather Statement	HNX	Merced	29 min
Apr 9, 5:01 PM PDT	Severe Thunderstorm Warning	STO	Shasta, Tehama	29 min
Apr 9, 5:03 PM PDT	Special Weather Statement	EKA		27 min
Apr 9, 5:18 PM PDT	Special Weather Statement	HNX	Merced	57 min
Apr 9, 5:22 PM PDT	Severe Thunderstorm Warning	STO	Shasta	38 min
Apr 9, 5:29 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera, Merced	61 min
Apr 9, 5:38 PM PDT	Tornado Warning	HNX	Fresno, Madera	37 min
Apr 9, 6:12 PM PDT	Severe Thunderstorm Warning Considerable damage threat	HNX	Fresno, Madera	16 min
Apr 9, 6:24 PM PDT	Severe Thunderstorm Warning	HNX	Madera, Merced	34 min
Apr 9, 6:38 PM PDT	Special Weather Statement	HNX	Merced	67 min
Apr 9, 6:52 PM PDT	Severe Thunderstorm Warning	STO	San Joaquin, Stanislaus	38 min
Apr 9, 7:06 PM PDT	Special Weather Statement	HNX	Madera	54 min
Apr 9, 7:14 PM PDT	Severe Thunderstorm Warning	STO	San Joaquin, Stanislaus	31 min
Apr 9, 7:19 PM PDT	Special Weather Statement	HNX	Merced	26 min
Apr 9, 7:39 PM PDT	Severe Thunderstorm Warning	STO	San Joaquin, Stanislaus	36 min
Apr 9, 7:46 PM PDT	Special Weather Statement	HNX	Merced	29 min
Apr 9, 8:14 PM PDT	Special Weather Statement	HNX	Merced	31 min
Apr 9, 8:44 PM PDT	Special Weather Statement	HNX	Merced	31 min
Apr 9, 10:43 PM PDT	Wind Advisory	HNX	Kern	3 days
Apr 9, 11:23 PM PDT	Wind Advisory	PSR	Imperial	25 hr
Apr 9, 11:32 PM PDT	Winter Weather Advisory	VEF	Inyo	71 hr
Apr 10, 1:01 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	22 hr
Apr 10, 2:51 AM PDT	Small Craft Advisory	MTR		66 hr
Apr 10, 2:54 AM PDT	Special Weather Statement	HNX	Mariposa	36 min
Apr 10, 7:50 AM PDT	Severe Thunderstorm Warning	STO	Butte, Nevada, Plumas, Sierra, Yuba	40 min
Apr 10, 8:21 AM PDT	Winter Storm Warning	REV	Alpine, El Dorado, Mono, Nevada, Placer	63 hr
Apr 10, 8:21 AM PDT	Winter Weather Advisory	REV	Lassen, Plumas, Sierra	63 hr
Apr 10, 12:07 PM PDT	Winter Weather Advisory	LOX	Los Angeles, Santa Barbara, Ventura	3 days
Apr 10, 12:09 PM PDT	Winter Weather Advisory	EKA		59 hr
Apr 10, 12:22 PM PDT	Special Weather Statement	HNX	Mariposa	23 min
Apr 10, 12:24 PM PDT	Special Weather Statement	HNX	Mariposa	36 min
Apr 10, 12:25 PM PDT	Winter Weather Advisory	MFR	Siskiyou	53 hr
Apr 10, 1:05 PM PDT	Special Weather Statement	HNX	Mariposa	25 min
Apr 10, 1:31 PM PDT	Special Weather Statement	HNX	Merced	29 min
Apr 10, 1:33 PM PDT	Special Weather Statement	HNX	Merced	42 min
Apr 10, 1:42 PM PDT	Special Weather Statement	HNX	Merced	33 min
Apr 10, 1:48 PM PDT	Mesoscale Discussion	SPC	Amador, Calaveras, Madera, Mariposa, Merced, Sacramento and 1 more	117 min
Apr 10, 1:55 PM PDT	Severe Thunderstorm Warning	STO	San Joaquin, Stanislaus	35 min
Apr 10, 2:01 PM PDT	Special Weather Statement	HNX	Merced	44 min
Apr 10, 2:09 PM PDT	Severe Thunderstorm Warning	HNX	Merced	36 min
Apr 10, 2:11 PM PDT	Special Weather Statement	HNX	Madera	34 min
Apr 10, 2:13 PM PDT	Special Weather Statement	HNX	Fresno	32 min
Apr 10, 2:13 PM PDT	Severe Thunderstorm Warning	STO	Stanislaus	15 min
Apr 10, 2:21 PM PDT	Tornado Warning	STO	San Joaquin, Stanislaus	24 min
Apr 10, 2:24 PM PDT	Special Weather Statement	HNX	Fresno	36 min
Apr 10, 2:28 PM PDT	Special Weather Statement	MTR	Contra Costa	17 min
Apr 10, 2:38 PM PDT	Severe Thunderstorm Warning	STO	Stanislaus	26 min
Apr 10, 2:39 PM PDT	Special Weather Statement	HNX	Fresno	36 min
Apr 10, 2:40 PM PDT	Severe Thunderstorm Warning	STO	Calaveras, San Joaquin, Stanislaus	35 min
Apr 10, 2:41 PM PDT	Special Weather Statement	HNX	Merced	34 min
Apr 10, 2:44 PM PDT	Special Weather Statement	HNX	Merced	31 min
Apr 10, 2:45 PM PDT	Special Weather Statement	MTR	Contra Costa	30 min
Apr 10, 3:00 PM PDT	Severe Thunderstorm Warning	STO	Sacramento, San Joaquin, Solano, Yolo	30 min
Apr 10, 3:05 PM PDT	Special Weather Statement	HNX	Madera	40 min
Apr 10, 3:08 PM PDT	Special Weather Statement	HNX	Madera	37 min
Apr 10, 3:15 PM PDT	Special Weather Statement	HNX	Merced	30 min
Apr 10, 3:32 PM PDT	Special Weather Statement	HNX	Madera, Mariposa	28 min
Apr 10, 3:48 PM PDT	Special Weather Statement	EKA	Lake	27 min
Apr 10, 3:54 PM PDT	Special Weather Statement	MTR	San Benito	36 min
Apr 10, 4:05 PM PDT	Special Weather Statement	HNX	Mariposa	40 min
Apr 10, 4:08 PM PDT	Severe Thunderstorm Warning	STO	Calaveras, Tuolumne	25 min
Apr 10, 4:23 PM PDT	Special Weather Statement	HNX	Mariposa	37 min
Apr 10, 4:23 PM PDT	Special Weather Statement	HNX	Tulare	37 min
Apr 10, 5:21 PM PDT	Flash Flood Warning	STO	Colusa	114 min
Apr 10, 6:36 PM PDT	Severe Thunderstorm Warning	STO	Calaveras, San Joaquin, Stanislaus	24 min
Apr 10, 6:56 PM PDT	Severe Thunderstorm Warning	STO	Calaveras, San Joaquin, Stanislaus	49 min
Apr 10, 7:06 PM PDT	Severe Thunderstorm Warning	STO	Butte, Colusa, Glenn	39 min
Apr 10, 8:39 PM PDT	Severe Thunderstorm Warning	STO	Amador, Calaveras, Tuolumne	36 min
Apr 10, 8:54 PM PDT	Small Craft Advisory	EKA		27 hr
Apr 10, 9:34 PM PDT	Small Craft Advisory	LOX		29 hr
Apr 11, 10:59 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	36 hr
Apr 11, 5:09 PM PDT	Special Marine Warning	MTR		36 min
Apr 11, 5:13 PM PDT	Special Weather Statement	MTR	San Mateo	47 min
Apr 11, 5:27 PM PDT	Special Marine Warning	MTR		63 min
Apr 11, 5:38 PM PDT	Special Marine Warning	MTR		37 min
Apr 11, 5:58 PM PDT	Special Weather Statement	MTR	Alameda, Contra Costa	32 min
Apr 11, 6:32 PM PDT	Special Weather Statement	MTR	Alameda, Contra Costa	43 min
Apr 11, 6:43 PM PDT	Special Weather Statement	MTR	Santa Clara, Santa Cruz	32 min
Apr 11, 6:44 PM PDT	Areal Flood Advisory	STO	Amador, Butte, El Dorado, Nevada, Placer, Sacramento and 4 more	5 hr
Apr 11, 6:49 PM PDT	Special Weather Statement	MTR	Monterey	41 min
Apr 11, 7:00 PM PDT	Wind Advisory	LOX	Los Angeles	25 hr
Apr 11, 8:32 PM PDT	Special Weather Statement	MTR	Monterey	28 min
Apr 11, 9:10 PM PDT	Special Weather Statement	MTR	Marin	35 min
Apr 11, 9:50 PM PDT	Special Weather Statement	LOX		25 min
Apr 11, 9:54 PM PDT	Special Marine Warning	LOX		2 hr
Apr 11, 10:28 PM PDT	Special Weather Statement	MTR	San Mateo	32 min
Apr 11, 10:38 PM PDT	Special Weather Statement	LOX	San Luis Obispo	37 min
Apr 11, 10:42 PM PDT	Special Weather Statement	MTR	San Mateo	33 min
Apr 11, 11:01 PM PDT	Special Weather Statement	MTR	Contra Costa	29 min
Apr 11, 11:03 PM PDT	Special Weather Statement	MTR	San Mateo	27 min
Apr 11, 11:07 PM PDT	Special Weather Statement	MTR	Marin	23 min
Apr 11, 11:14 PM PDT	Special Weather Statement	MTR	San Mateo	16 min
Apr 11, 11:17 PM PDT	Special Weather Statement	LOX	San Luis Obispo	28 min
Apr 11, 11:37 PM PDT	Areal Flood Advisory	LOX	San Luis Obispo, Santa Barbara	3 hr
Apr 11, 11:45 PM PDT	Special Weather Statement	MTR	Santa Cruz	30 min
Apr 12, 12:04 AM PDT	Special Marine Warning	LOX		116 min
Apr 12, 12:13 AM PDT	Special Weather Statement	LOX	Santa Barbara	62 min
Apr 12, 12:19 AM PDT	Special Weather Statement	MTR	Santa Clara	26 min
Apr 12, 12:33 AM PDT	Special Weather Statement	MTR	Santa Cruz	27 min
Apr 12, 12:44 AM PDT	Special Weather Statement	MTR	Santa Cruz	31 min
Apr 12, 2:38 AM PDT	Special Weather Statement	LOX	Ventura	37 min
Apr 12, 4:43 AM PDT	Special Weather Statement	LOX	Ventura	62 min
Apr 12, 5:41 AM PDT	Areal Flood Advisory	LOX	Los Angeles, Ventura	4 hr
Apr 12, 6:50 AM PDT	Special Weather Statement	LOX	Los Angeles	55 min
Apr 12, 10:40 AM PDT	Special Marine Warning	LOX		35 min
Apr 12, 12:24 PM PDT	Frost Advisory	EKA	Lake, Mendocino	20 hr
Apr 12, 1:43 PM PDT	Severe Thunderstorm Warning	STO	Butte, Glenn, Tehama	32 min
Apr 12, 2:05 PM PDT	Tornado Warning	STO	Butte, Tehama	25 min
Apr 12, 3:06 PM PDT	Severe Thunderstorm Warning	STO	Butte	24 min
Apr 12, 4:41 PM PDT	Severe Thunderstorm Warning	STO	Tehama	34 min
Apr 12, 9:09 PM PDT	Small Craft Advisory	LOX		8 hr
Apr 12, 9:39 PM PDT	Small Craft Advisory	LOX		4 days
Apr 13, 2:03 AM PDT	Small Craft Advisory	MTR		49 hr
Apr 13, 2:03 AM PDT	Small Craft Advisory	MTR		4 days
Apr 13, 2:52 AM PDT	Small Craft Advisory	EKA		26 hr
Apr 13, 10:05 AM PDT	Wind Advisory	HNX	Kern	16 hr
Apr 13, 12:35 PM PDT	Special Weather Statement	LOX	Ventura	40 min
Apr 13, 1:14 PM PDT	Frost Advisory	EKA	Lake, Mendocino	19 hr
Apr 13, 1:31 PM PDT	Special Weather Statement	LOX	Los Angeles	29 min
Apr 13, 1:36 PM PDT	Areal Flood Advisory	LOX	Los Angeles	69 min
Apr 13, 2:16 PM PDT	Special Weather Statement	LOX	Los Angeles	29 min
Apr 13, 2:28 PM PDT	Areal Flood Advisory	LOX	Los Angeles	62 min
Apr 13, 9:40 PM PDT	Small Craft Advisory	LOX		6 hr
Apr 14, 12:26 AM PDT	Wind Advisory	REV	Modoc	49 hr
Apr 14, 12:37 AM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	49 hr
Apr 14, 2:09 AM PDT	Small Craft Advisory	MTR		3 days
Apr 14, 6:30 AM PDT	Small Craft Advisory	LOX		21 hr
Apr 14, 9:35 AM PDT	Wind Advisory	MFR	Modoc	34 hr
Apr 14, 11:57 AM PDT	Wind Advisory	LOX	Santa Barbara	15 hr
Apr 14, 2:43 PM PDT	Small Craft Advisory	EKA		60 hr
Apr 14, 8:42 PM PDT	Freeze Watch	MFR	Siskiyou	23 hr
Apr 14, 10:15 PM PDT	Gale Watch	EKA		17 hr
Apr 15, 12:06 AM PDT	Freeze Watch	REV	Lassen, Modoc, Plumas, Sierra	25 hr
Apr 15, 12:41 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	36 hr
Apr 15, 5:54 AM PDT	Frost Advisory	MFR	Siskiyou	27 hr
Apr 15, 7:07 AM PDT	Small Craft Advisory	LOX		14 hr
Apr 15, 9:57 AM PDT	Wind Advisory	HNX	Kern	44 hr
Apr 15, 11:54 AM PDT	Wind Advisory	STO		23 hr
Apr 15, 11:56 AM PDT	Wind Advisory	SGX	San Bernardino	38 hr
Apr 15, 12:36 PM PDT	Wind Advisory	LOX	Los Angeles	19 hr
Apr 15, 1:04 PM PDT	Gale Watch	LOX		13 hr
Apr 15, 2:36 PM PDT	Small Craft Advisory	MTR		6 hr
Apr 15, 2:38 PM PDT	Freeze Warning	EKA	Del Norte, Humboldt, Lake, Mendocino, Trinity	18 hr
Apr 15, 2:50 PM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Mendocino	18 hr
Apr 15, 2:55 PM PDT	Gale Warning	EKA		36 hr
Apr 15, 7:49 PM PDT	Wind Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	41 hr
Apr 15, 7:51 PM PDT	Freeze Warning	MFR	Siskiyou	37 hr
Apr 15, 9:26 PM PDT	Small Craft Advisory	MTR		6 hr
Apr 15, 11:58 PM PDT	Wind Advisory	PSR	Imperial, Riverside, San Bernardino	37 hr
Apr 16, 1:28 AM PDT	Freeze Warning	REV	Lassen, Modoc, Plumas, Sierra	31 hr
Apr 16, 1:51 AM PDT	Gale Warning	LOX		25 hr
Apr 16, 1:51 AM PDT	Small Craft Advisory	LOX		47 hr
Apr 16, 3:08 AM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Mendocino	10 hr
Apr 16, 3:08 AM PDT	Freeze Warning	EKA	Del Norte, Humboldt, Lake, Mendocino, Trinity	10 hr
Apr 16, 10:31 AM PDT	Wind Advisory	STO	Amador, Butte, Colusa, El Dorado, Glenn, Nevada and 9 more	12 hr
Apr 16, 11:45 AM PDT	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	29 hr
Apr 16, 12:28 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	29 hr
Apr 16, 12:49 PM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Mendocino	20 hr
Apr 16, 12:49 PM PDT	Freeze Warning	EKA	Del Norte, Humboldt, Lake, Mendocino, Trinity	20 hr
Apr 16, 2:44 PM PDT	Gale Warning	MTR		6 hr
Apr 16, 2:48 PM PDT	Lake Wind Advisory	HNX	Kern, Tulare	8 hr
Apr 16, 3:21 PM PDT	Small Craft Advisory	LOX		21 hr
Apr 17, 5:23 AM PDT	Small Craft Advisory	EKA		13 hr
Apr 17, 11:09 AM PDT	Frost Advisory	EKA	Humboldt, Lake, Mendocino	21 hr
Apr 17, 11:09 AM PDT	Freeze Warning	EKA	Trinity	21 hr
Apr 17, 8:20 PM PDT	Small Craft Advisory	LOX		5 hr
Apr 18, 9:20 AM PDT	Coastal Flood Advisory	EKA	Humboldt	18 hr
Apr 18, 2:26 PM PDT	Small Craft Advisory	EKA		48 hr
Apr 18, 8:42 PM PDT	Small Craft Advisory	MTR		54 hr
Apr 19, 2:47 AM PDT	Wind Advisory	MFR	Siskiyou	35 hr
Apr 19, 4:18 AM PDT	Coastal Flood Advisory	EKA	Humboldt	24 hr
Apr 19, 9:11 AM PDT	Winter Storm Watch	STO	Alpine, Amador, Butte, Calaveras, El Dorado, Lassen and 7 more	24 hr
Apr 19, 9:20 AM PDT	Winter Storm Watch	REV	Alpine, El Dorado, Mono, Nevada, Placer	25 hr
Apr 19, 9:23 AM PDT	Winter Storm Watch	HNX	Fresno, Madera, Mariposa, Tulare, Tuolumne	24 hr
Apr 19, 12:07 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	34 hr
Apr 19, 12:25 PM PDT	Winter Weather Advisory	EKA	Trinity	47 hr
Apr 19, 12:42 PM PDT	Winter Weather Advisory	MFR	Siskiyou	46 hr
Apr 20, 2:58 AM PDT	Small Craft Advisory	MTR		42 hr
Apr 20, 8:56 AM PDT	Winter Storm Warning	STO	Alpine, Amador, Butte, Calaveras, El Dorado, Lassen and 7 more	51 hr
Apr 20, 9:10 AM PDT	Winter Storm Warning	HNX	Fresno, Madera, Mariposa, Tulare, Tuolumne	48 hr
Apr 20, 10:32 AM PDT	High Wind Warning	VEF	Inyo	36 hr
Apr 20, 10:32 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	42 hr
Apr 20, 10:41 AM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Mono, Nevada, Placer	49 hr
Apr 20, 11:27 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	44 hr
Apr 20, 11:41 AM PDT	Wind Advisory	PSR	Imperial, San Bernardino	44 hr
Apr 20, 12:40 PM PDT	Wind Advisory	LOX	Los Angeles, Ventura	33 hr
Apr 20, 12:57 PM PDT	Wind Advisory	HNX	Kern	64 hr
Apr 20, 1:43 PM PDT	High Wind Warning	MFR	Siskiyou	4 hr
Apr 20, 11:00 PM PDT	Small Craft Advisory	LOX		13 hr
Apr 21, 8:42 AM PDT	Small Craft Advisory	MTR		66 hr
Apr 21, 10:43 AM PDT	Special Marine Warning	LOX		2 hr
Apr 21, 11:33 AM PDT	Special Weather Statement	HNX	Merced	27 min
Apr 21, 11:34 AM PDT	Mesoscale Discussion	SPC	Calaveras, Fresno, Madera, Mariposa, Merced, San Joaquin and 1 more	116 min
Apr 21, 12:16 PM PDT	Special Weather Statement	HNX	Merced	29 min
Apr 21, 12:18 PM PDT	Small Craft Advisory	LOX		4 days
Apr 21, 12:41 PM PDT	Special Weather Statement	HNX	Madera	34 min
Apr 21, 12:59 PM PDT	Special Marine Warning	LOX		61 min
Apr 21, 1:04 PM PDT	Special Weather Statement	HNX	Kings	26 min
Apr 21, 1:18 PM PDT	Small Craft Advisory	SGX		36 hr
Apr 21, 1:28 PM PDT	Areal Flood Advisory	STO	Amador, Calaveras, El Dorado, Nevada, Placer, Sacramento and 5 more	6 hr
Apr 21, 1:48 PM PDT	Special Weather Statement	HNX	Fresno	27 min
Apr 21, 1:56 PM PDT	Areal Flood Advisory	HNX	Fresno, Madera	68 min
Apr 21, 2:19 PM PDT	Tornado Warning Tornado observed	HNX	Fresno, Madera	26 min
Apr 21, 2:21 PM PDT	Special Marine Warning	LOX		84 min
Apr 21, 2:37 PM PDT	Tornado Warning Tornado observed	HNX	Fresno, Madera	23 min
Apr 21, 2:54 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera	24 min
Apr 21, 3:10 PM PDT	Special Weather Statement	HNX	Merced	35 min
Apr 21, 3:10 PM PDT	Severe Thunderstorm Warning	STO	Glenn	50 min
Apr 21, 3:19 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera, Merced	26 min
Apr 21, 3:20 PM PDT	Severe Thunderstorm Warning	STO	Tehama	40 min
Apr 21, 3:43 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera, Merced	32 min
Apr 21, 3:52 PM PDT	Mesoscale Discussion	SPC	Fresno, Madera	113 min
Apr 21, 3:54 PM PDT	Special Weather Statement	HNX	Madera	36 min
Apr 21, 3:56 PM PDT	Severe Thunderstorm Warning	STO	Butte, Glenn, Tehama	49 min
Apr 21, 3:57 PM PDT	Special Marine Warning	LOX		48 min
Apr 21, 4:05 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera	25 min
Apr 21, 4:09 PM PDT	Severe Thunderstorm Warning	HNX	Madera	36 min
Apr 21, 4:10 PM PDT	Special Weather Statement	HNX	Madera	35 min
Apr 21, 4:24 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera	36 min
Apr 21, 4:30 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera	30 min
Apr 21, 4:41 PM PDT	Severe Thunderstorm Warning	HNX	Madera	34 min
Apr 21, 4:41 PM PDT	Special Weather Statement	STO	Tehama	34 min
Apr 21, 4:54 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Madera	36 min
Apr 21, 5:11 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Tulare	34 min
Apr 21, 5:12 PM PDT	Special Weather Statement	HNX	Madera	33 min
Apr 21, 5:12 PM PDT	Special Weather Statement	STO	Tehama	48 min
Apr 21, 5:16 PM PDT	Tornado Warning Tornado observed	HNX	Fresno	29 min
Apr 21, 5:39 PM PDT	Severe Thunderstorm Warning	HNX	Fresno, Tulare	36 min
Apr 21, 5:42 PM PDT	Special Weather Statement	HNX	Madera	33 min
Apr 21, 6:12 PM PDT	Special Weather Statement	HNX		33 min
Apr 21, 6:43 PM PDT	Special Weather Statement	HNX		32 min
Apr 21, 7:14 PM PDT	Special Weather Statement	HNX	Fresno	31 min
Apr 21, 8:27 PM PDT	Areal Flood Advisory	STO	Glenn, Tehama	2 hr
Apr 21, 10:42 PM PDT	Small Craft Advisory	EKA		66 hr
Apr 22, 12:12 PM PDT	Frost Advisory	EKA	Del Norte, Humboldt, Lake, Mendocino	20 hr
Apr 22, 12:12 PM PDT	Freeze Warning	EKA	Lake, Mendocino, Trinity	21 hr
Apr 22, 8:47 PM PDT	Small Craft Advisory	LOX		25 hr
Apr 23, 11:39 PM PDT	Wind Advisory	VEF	San Bernardino	65 hr
Apr 24, 1:28 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	71 hr
Apr 24, 7:11 AM PDT	Small Craft Advisory	LOX		20 hr
Apr 24, 10:16 AM PDT	Wind Advisory	HNX	Kern	67 hr
Apr 24, 11:32 AM PDT	Wind Advisory	PSR	Imperial, Riverside, San Bernardino	59 hr
Apr 24, 8:55 PM PDT	Small Craft Advisory	LOX		24 hr
Apr 24, 9:45 PM PDT	Small Craft Advisory	EKA		33 hr
Apr 25, 6:18 PM PDT	Special Weather Statement	MFR	Modoc	27 min
Apr 25, 8:33 PM PDT	Small Craft Advisory	LOX		25 hr
Apr 26, 12:26 PM PDT	Frost Advisory	EKA	Humboldt, Trinity	21 hr
Apr 26, 2:45 PM PDT	Small Craft Advisory	MTR		6 days
Apr 26, 8:23 PM PDT	Small Craft Advisory	LOX		8 hr
Apr 27, 3:04 AM PDT	Small Craft Advisory	EKA		6 days
Apr 27, 8:37 AM PDT	Small Craft Advisory	LOX		17 hr
Apr 27, 10:10 PM PDT	Small Craft Advisory	MTR		5 days
Apr 28, 8:56 AM PDT	Small Craft Advisory	LOX		64 hr
Apr 28, 2:17 PM PDT	Gale Watch	EKA		24 hr
Apr 29, 8:32 AM PDT	Small Craft Advisory	MTR		36 hr
Apr 29, 1:48 PM PDT	Hazardous Seas Warning	EKA		67 hr
Apr 29, 2:20 PM PDT	Small Craft Advisory	LOX		11 hr
Apr 30, 12:53 AM PDT	Small Craft Advisory	LOX		24 hr
Apr 30, 12:52 PM PDT	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	3 days

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	49
Tornado Warning	6
Mesoscale Discussion	4
Special Weather Statement	115
Flooding
Flash Flood Warning	1
Areal Flood Advisory	9
Winter
Winter Storm Warning	5
Winter Storm Watch	6
Winter Weather Advisory	8
Cold
Freeze Warning	8
Freeze Watch	3
Frost Advisory	11
Wind and dust
High Wind Warning	4
High Wind Watch	1
Lake Wind Advisory	6
Wind Advisory	36
Coast and beach
Coastal Flood Advisory	2
Beach Hazards Statement	1
Marine
Gale Warning	5
Hazardous Seas Warning	2
Special Marine Warning	10
Gale Watch	6
Small Craft Advisory	49

By county

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

17 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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.