Weather alerts in California, September 2024

297 weather alerts in September 2024, 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 September 2024. Tap one for its archive.

Alerts: 297
Warnings: 77
Watches: 19
Advisories: 124
Busiest day: September 8, 202452 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
Aug 31, 8:56 PM PDT	Small Craft Advisory	MTR		60 hr
Sep 1, 2:27 AM PDT	Excessive Heat Watch	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	34 hr
Sep 1, 12:35 PM PDT	Excessive Heat Watch	HNX	Fresno, Kern, Kings, Tulare	47 hr
Sep 1, 12:35 PM PDT	Excessive Heat Watch	VEF	Inyo, San Bernardino	37 hr
Sep 1, 12:36 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	31 hr
Sep 1, 12:37 PM PDT	Excessive Heat Watch	PSR	Imperial, Riverside, San Bernardino	36 hr
Sep 1, 12:56 PM PDT	Red Flag Warning	REV	El Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more	31 hr
Sep 1, 1:21 PM PDT	Excessive Heat Watch	SGX	Orange, Riverside, San Bernardino, San Diego	38 hr
Sep 1, 1:32 PM PDT	Red Flag Warning	MFR	Modoc	30 hr
Sep 2, 3:33 AM PDT	Small Craft Advisory	EKA		61 hr
Sep 2, 12:04 PM PDT	Excessive Heat Warning	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	8 days
Sep 2, 12:36 PM PDT	Heat Advisory	HNX	Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more	5 days
Sep 2, 12:50 PM PDT	Heat Advisory	STO		4 days
Sep 2, 1:09 PM PDT	Excessive Heat Warning	SGX	Orange, Riverside, San Bernardino, San Diego	8 days
Sep 3, 12:07 AM PDT	Excessive Heat Warning	PSR	Imperial, Riverside, San Bernardino	8 days
Sep 3, 12:15 AM PDT	Heat Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more	4 days
Sep 3, 1:15 AM PDT	Heat Advisory	EKA	Humboldt, Lake, Mendocino	4 days
Sep 3, 1:50 AM PDT	Excessive Heat Warning	VEF	Inyo, San Bernardino	4 days
Sep 3, 3:01 AM PDT	Small Craft Advisory	LOX		6 hr
Sep 3, 3:19 AM PDT	Heat Advisory	MFR	Siskiyou	4 days
Sep 3, 9:20 AM PDT	Heat Advisory	MTR	City and County of San Francisco	27 hr
Sep 3, 11:42 AM PDT	Excessive Heat Warning	HNX	Kern	4 days
Sep 3, 12:52 PM PDT	Heat Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	6 days
Sep 3, 1:03 PM PDT	Small Craft Advisory	LOX		9 days
Sep 3, 1:19 PM PDT	Heat Advisory	SGX	Orange, San Diego	6 days
Sep 4, 2:56 PM PDT	Fire Weather Watch	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	18 hr
Sep 4, 8:48 PM PDT	Small Craft Advisory	LOX		30 hr
Sep 5, 9:23 AM PDT	Red Flag Warning	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	7 days
Sep 6, 2:48 AM PDT	Small Craft Advisory	LOX		18 hr
Sep 6, 8:04 PM PDT	Heat Advisory	LOX	San Luis Obispo, Santa Barbara, Ventura	24 hr
Sep 7, 2:39 AM PDT	Small Craft Advisory	LOX		17 hr
Sep 7, 3:30 AM PDT	Wind Advisory	LOX	Santa Barbara, Ventura	24 hr
Sep 7, 6:47 AM PDT	Dense Fog Advisory	MTR	Monterey, San Benito, Santa Cruz	2 hr
Sep 7, 6:50 AM PDT	Marine Dense Fog Advisory	MTR		2 hr
Sep 7, 1:02 PM PDT	Special Weather Statement	SGX		43 min
Sep 7, 1:31 PM PDT	Special Weather Statement	SGX	San Diego	44 min
Sep 7, 1:43 PM PDT	Areal Flood Advisory	SGX	Riverside	2 hr
Sep 7, 1:45 PM PDT	Special Weather Statement	SGX		45 min
Sep 7, 1:51 PM PDT	Severe Thunderstorm Warning	SGX	Riverside, San Diego	54 min
Sep 7, 2:10 PM PDT	Areal Flood Advisory	SGX	Riverside, San Diego	2 hr
Sep 7, 2:17 PM PDT	Special Weather Statement	SGX		43 min
Sep 7, 2:20 PM PDT	Special Weather Statement	SGX	San Diego	40 min
Sep 7, 2:26 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr
Sep 7, 2:27 PM PDT	Areal Flood Advisory	SGX	San Diego	2 hr
Sep 7, 2:32 PM PDT	Areal Flood Advisory	SGX	San Diego	2 hr
Sep 7, 2:33 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	42 min
Sep 7, 2:34 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	56 min
Sep 7, 2:36 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	19 min
Sep 7, 2:47 PM PDT	Severe Thunderstorm Warning	PSR	Riverside, San Bernardino	28 min
Sep 7, 2:50 PM PDT	Special Weather Statement	SGX		40 min
Sep 7, 2:58 PM PDT	Flash Flood Warning Considerable damage threat	VEF	San Bernardino	3 hr
Sep 7, 3:10 PM PDT	Areal Flood Advisory	PSR	Riverside, San Bernardino	3 hr
Sep 7, 3:10 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	32 min
Sep 7, 3:15 PM PDT	Special Weather Statement	PSR	Riverside	45 min
Sep 7, 3:15 PM PDT	Areal Flood Advisory	SGX	San Diego	2 hr
Sep 7, 3:24 PM PDT	Special Weather Statement	SGX		51 min
Sep 7, 3:24 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	36 min
Sep 7, 3:30 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	45 min
Sep 7, 3:34 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	41 min
Sep 7, 3:35 PM PDT	Special Weather Statement	SGX		40 min
Sep 7, 3:39 PM PDT	Areal Flood Advisory	SGX	Riverside, San Bernardino	2 hr
Sep 7, 3:40 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	50 min
Sep 7, 3:40 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	35 min
Sep 7, 3:57 PM PDT	Areal Flood Advisory	SGX	Riverside	2 hr
Sep 7, 4:18 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	42 min
Sep 7, 4:19 PM PDT	Areal Flood Advisory	PSR	Riverside	104 min
Sep 7, 4:25 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	50 min
Sep 7, 4:29 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	46 min
Sep 7, 5:10 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	35 min
Sep 7, 5:14 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr
Sep 7, 5:22 PM PDT	Areal Flood Advisory	PSR	Riverside	2 hr
Sep 7, 5:45 PM PDT	Special Weather Statement	PSR	Riverside	45 min
Sep 7, 10:02 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	28 min
Sep 7, 10:30 PM PDT	Severe Thunderstorm Warning	PSR	Imperial, Riverside	45 min
Sep 7, 11:10 PM PDT	Areal Flood Advisory	PSR	Imperial, Riverside	3 hr
Sep 7, 11:19 PM PDT	Special Weather Statement	PSR	Imperial	41 min
Sep 8, 12:05 AM PDT	Special Weather Statement	PSR	Imperial	25 min
Sep 8, 12:06 AM PDT	Wind Advisory	LOX	Santa Barbara	27 hr
Sep 8, 1:20 AM PDT	Special Weather Statement	PSR	Imperial	25 min
Sep 8, 3:08 AM PDT	Small Craft Advisory	EKA		3 days
Sep 8, 4:13 AM PDT	Marine Dense Fog Advisory	MTR		5 hr
Sep 8, 4:14 AM PDT	Dense Fog Advisory	MTR	Monterey, San Benito, Santa Cruz	5 hr
Sep 8, 11:56 AM PDT	Areal Flood Advisory	SGX	San Bernardino	119 min
Sep 8, 12:53 PM PDT	Areal Flood Advisory	SGX	Riverside	2 hr
Sep 8, 1:00 PM PDT	Areal Flood Advisory	SGX	San Bernardino	119 min
Sep 8, 1:04 PM PDT	Special Weather Statement	SGX	Orange	41 min
Sep 8, 1:09 PM PDT	Severe Thunderstorm Warning	SGX	San Bernardino	51 min
Sep 8, 1:14 PM PDT	Special Weather Statement	SGX		46 min
Sep 8, 1:21 PM PDT	Special Weather Statement	LOX	Los Angeles	54 min
Sep 8, 1:27 PM PDT	Severe Thunderstorm Warning	SGX	San Bernardino	6 min
Sep 8, 1:27 PM PDT	Severe Thunderstorm Warning	SGX	San Bernardino	63 min
Sep 8, 1:34 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	41 min
Sep 8, 1:40 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 8, 1:55 PM PDT	Special Weather Statement	SGX		50 min
Sep 8, 2:01 PM PDT	Areal Flood Advisory	SGX	San Diego	2 hr
Sep 8, 2:04 PM PDT	Severe Thunderstorm Warning	SGX	Riverside, San Diego	56 min
Sep 8, 2:12 PM PDT	Areal Flood Advisory	SGX	Riverside, San Diego	2 hr
Sep 8, 2:13 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 8, 2:15 PM PDT	Areal Flood Advisory	SGX	Riverside	2 hr
Sep 8, 2:24 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	18 min
Sep 8, 2:25 PM PDT	Special Weather Statement	LOX	Los Angeles	50 min
Sep 8, 2:27 PM PDT	Severe Thunderstorm Warning	SGX	Riverside, San Bernardino	48 min
Sep 8, 2:43 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	3 hr
Sep 8, 2:54 PM PDT	Areal Flood Advisory	SGX	San Bernardino	118 min
Sep 8, 2:54 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Bernardino	3 hr
Sep 8, 2:58 PM PDT	Severe Thunderstorm Warning	SGX	Riverside, San Diego	47 min
Sep 8, 3:01 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Sep 8, 3:10 PM PDT	Severe Thunderstorm Warning	SGX	Riverside, San Bernardino	50 min
Sep 8, 3:28 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside, San Bernardino	3 hr
Sep 8, 3:45 PM PDT	Special Weather Statement	SGX	Orange	45 min
Sep 8, 3:52 PM PDT	Special Weather Statement	SGX		38 min
Sep 8, 3:54 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Sep 8, 3:59 PM PDT	Special Weather Statement	SGX		46 min
Sep 8, 4:07 PM PDT	Special Weather Statement	SGX	Orange	38 min
Sep 8, 4:15 PM PDT	Special Weather Statement	SGX	Orange	45 min
Sep 8, 4:22 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	53 min
Sep 8, 4:25 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	35 min
Sep 8, 4:37 PM PDT	Areal Flood Advisory	SGX	Riverside	2 hr
Sep 8, 4:39 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr
Sep 8, 4:50 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	55 min
Sep 8, 5:08 PM PDT	Flash Flood Warning Considerable damage threat	SGX	Riverside	3 hr
Sep 9, 2:32 AM PDT	Small Craft Advisory	LOX		48 hr
Sep 9, 7:18 AM PDT	Dense Fog Advisory	LOX	San Luis Obispo, Santa Barbara	3 hr
Sep 9, 11:59 AM PDT	Red Flag Warning	REV	Madera, Mono	56 hr
Sep 9, 12:59 PM PDT	Small Craft Advisory	SGX		34 hr
Sep 9, 1:18 PM PDT	Gale Watch	LOX		31 hr
Sep 9, 2:07 PM PDT	Small Craft Advisory	MTR		8 days
Sep 9, 8:45 PM PDT	Heat Advisory	LOX	Los Angeles	23 hr
Sep 10, 1:40 AM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	42 hr
Sep 10, 2:41 AM PDT	Gale Watch	MTR		24 hr
Sep 10, 2:41 AM PDT	Small Craft Advisory	MTR		30 hr
Sep 10, 9:54 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara, Ventura	49 hr
Sep 10, 10:02 AM PDT	Small Craft Advisory	MTR		47 hr
Sep 10, 1:10 PM PDT	Wind Advisory	HNX	Kern	46 hr
Sep 10, 8:24 PM PDT	Gale Warning	LOX		39 hr
Sep 11, 12:45 AM PDT	Wind Advisory	VEF	San Bernardino	27 hr
Sep 11, 2:47 AM PDT	Gale Warning	MTR		19 hr
Sep 11, 2:47 AM PDT	Small Craft Advisory	MTR		6 hr
Sep 11, 10:51 AM PDT	High Wind Warning	LOX	Santa Barbara	17 hr
Sep 11, 2:55 PM PDT	Gale Warning	MTR		36 hr
Sep 11, 9:05 PM PDT	Small Craft Advisory	EKA		5 days
Sep 12, 2:33 AM PDT	Small Craft Advisory	LOX		35 hr
Sep 12, 8:22 AM PDT	Small Craft Advisory	LOX		25 hr
Sep 13, 8:15 AM PDT	Small Craft Advisory	MTR		4 days
Sep 13, 12:46 PM PDT	Winter Weather Advisory	HNX	Fresno, Madera, Mariposa, Tulare, Tuolumne	3 days
Sep 14, 8:02 AM PDT	Small Craft Advisory	MTR		55 hr
Sep 14, 12:55 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	31 hr
Sep 14, 1:19 PM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	59 hr
Sep 14, 1:55 PM PDT	Small Craft Advisory	LOX		4 days
Sep 14, 1:56 PM PDT	Wind Advisory	LOX	Los Angeles, Ventura	55 hr
Sep 14, 2:27 PM PDT	Gale Watch	MTR		18 hr
Sep 14, 2:42 PM PDT	Gale Warning	EKA		42 hr
Sep 15, 2:07 AM PDT	Gale Watch	LOX		7 hr
Sep 15, 2:07 AM PDT	Small Craft Advisory	LOX		7 hr
Sep 15, 2:08 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	42 hr
Sep 15, 2:47 AM PDT	Gale Warning	MTR		36 hr
Sep 15, 8:54 AM PDT	Gale Warning	LOX		42 hr
Sep 15, 12:37 PM PDT	Wind Advisory	HNX	Kern	40 hr
Sep 15, 1:14 PM PDT	Wind Advisory	PSR	Imperial	35 hr
Sep 15, 4:50 PM PDT	Special Weather Statement	STO	Shasta	25 min
Sep 15, 4:54 PM PDT	Special Weather Statement	STO	Shasta	36 min
Sep 15, 5:51 PM PDT	Special Weather Statement	STO	Tehama	24 min
Sep 15, 6:45 PM PDT	Special Weather Statement	MFR	Modoc	30 min
Sep 15, 6:51 PM PDT	Special Weather Statement	STO	Glenn	54 min
Sep 15, 7:21 PM PDT	Special Weather Statement	STO	Tehama	24 min
Sep 15, 7:33 PM PDT	Special Weather Statement	MFR	Modoc	27 min
Sep 15, 8:34 PM PDT	Special Weather Statement	STO	Tehama	56 min
Sep 15, 8:48 PM PDT	Flash Flood Warning Considerable damage threat	STO	Butte, Tehama	5 hr
Sep 16, 2:35 AM PDT	Beach Hazards Statement	LOX	Los Angeles, Ventura	24 hr
Sep 16, 8:37 AM PDT	Hazardous Seas Warning	EKA		6 hr
Sep 16, 12:45 PM PDT	Small Craft Advisory	LOX		38 hr
Sep 16, 2:26 PM PDT	Small Craft Advisory	EKA		19 hr
Sep 16, 6:09 PM PDT	Dust Storm Advisory	PSR	Imperial	2 hr
Sep 17, 12:10 PM PDT	Small Craft Advisory	LOX		32 hr
Sep 17, 12:37 PM PDT	Winter Weather Advisory	REV	Mono	55 hr
Sep 17, 12:48 PM PDT	Winter Weather Advisory	HNX	Fresno, Madera, Mariposa, Tulare, Tuolumne	55 hr
Sep 17, 2:51 PM PDT	Small Craft Advisory	EKA		7 days
Sep 18, 2:37 AM PDT	Small Craft Advisory	MTR		5 days
Sep 18, 8:39 AM PDT	Flash Flood Watch	STO		10 hr
Sep 18, 10:01 AM PDT	Flood Watch	LOX	San Luis Obispo, Santa Barbara, Ventura	43 hr
Sep 18, 10:08 AM PDT	Flood Watch	HNX	Fresno, Kern, Kings	37 hr
Sep 18, 2:51 PM PDT	Special Weather Statement	STO	Nevada	39 min
Sep 18, 3:35 PM PDT	Special Weather Statement	STO	Butte	25 min
Sep 18, 3:53 PM PDT	Special Weather Statement	STO	Nevada	37 min
Sep 18, 5:30 PM PDT	Special Weather Statement	STO	Butte	30 min
Sep 18, 6:37 PM PDT	Flash Flood Warning Considerable damage threat	STO	Butte, Tehama	4 hr
Sep 19, 1:41 AM PDT	Special Weather Statement	HNX	Madera	34 min
Sep 19, 2:00 AM PDT	Special Weather Statement	HNX	Madera	30 min
Sep 19, 2:11 AM PDT	Special Weather Statement	HNX	Madera	34 min
Sep 19, 2:18 AM PDT	Special Weather Statement	HNX	Tuolumne	27 min
Sep 19, 2:33 AM PDT	Special Weather Statement	HNX	Madera	27 min
Sep 19, 3:54 AM PDT	Special Weather Statement	HNX	Madera	36 min
Sep 19, 4:02 AM PDT	Special Weather Statement	HNX	Fresno	28 min
Sep 19, 4:26 AM PDT	Special Weather Statement	HNX	Fresno	34 min
Sep 19, 4:35 AM PDT	Special Weather Statement	MTR	Monterey	40 min
Sep 19, 4:38 AM PDT	Special Weather Statement	HNX	Fresno	37 min
Sep 19, 4:54 AM PDT	Special Weather Statement	HNX	Madera	36 min
Sep 19, 4:58 AM PDT	Special Weather Statement	MTR	Monterey	32 min
Sep 19, 5:02 AM PDT	Special Weather Statement	HNX	Fresno	28 min
Sep 19, 5:25 AM PDT	Special Weather Statement	HNX	Fresno	35 min
Sep 19, 5:27 AM PDT	Special Weather Statement	HNX	Fresno	33 min
Sep 19, 5:33 AM PDT	Special Weather Statement	MTR	Monterey	42 min
Sep 19, 5:34 AM PDT	Gale Watch	EKA		27 hr
Sep 19, 5:49 AM PDT	Special Weather Statement	HNX	Fresno	26 min
Sep 19, 6:05 AM PDT	Special Weather Statement	HNX	Kings	25 min
Sep 19, 6:09 AM PDT	Special Weather Statement	HNX	Fresno	36 min
Sep 19, 6:12 AM PDT	Special Weather Statement	MTR	Monterey	48 min
Sep 19, 6:28 AM PDT	Special Weather Statement	HNX	Kings	32 min
Sep 19, 6:47 AM PDT	Special Weather Statement	HNX	Kings	28 min
Sep 19, 6:50 AM PDT	Areal Flood Advisory	MTR	Monterey	100 min
Sep 19, 6:58 AM PDT	Special Weather Statement	MTR	Monterey	47 min
Sep 19, 7:58 AM PDT	Areal Flood Advisory	MTR	Monterey, San Benito	62 min
Sep 19, 8:25 AM PDT	Areal Flood Advisory	MTR	Monterey	2 hr
Sep 19, 12:39 PM PDT	Small Craft Advisory	LOX		14 hr
Sep 19, 12:56 PM PDT	Special Weather Statement	HNX	Tuolumne	34 min
Sep 19, 2:29 PM PDT	Special Weather Statement	STO	Tuolumne	46 min
Sep 19, 2:51 PM PDT	Gale Warning	EKA		56 hr
Sep 19, 2:51 PM PDT	Hazardous Seas Watch	EKA		18 hr
Sep 19, 3:33 PM PDT	Special Weather Statement	LOX	Santa Barbara	27 min
Sep 19, 3:41 PM PDT	Special Weather Statement	LOX	San Luis Obispo	34 min
Sep 19, 3:51 PM PDT	Areal Flood Advisory	LOX	San Luis Obispo, Santa Barbara	3 hr
Sep 19, 3:52 PM PDT	Special Weather Statement	STO	El Dorado	38 min
Sep 19, 4:00 PM PDT	Areal Flood Advisory	LOX	San Luis Obispo	3 hr
Sep 19, 4:10 PM PDT	Flash Flood Warning Considerable damage threat	LOX	San Luis Obispo, Santa Barbara	3 hr
Sep 19, 4:18 PM PDT	Special Weather Statement	LOX		42 min
Sep 19, 4:36 PM PDT	Special Weather Statement	LOX	San Luis Obispo	39 min
Sep 19, 4:54 PM PDT	Areal Flood Advisory	LOX	San Luis Obispo	2 hr
Sep 19, 4:59 PM PDT	Special Weather Statement	LOX		31 min
Sep 19, 5:02 PM PDT	Special Weather Statement	LOX	San Luis Obispo	28 min
Sep 19, 5:08 PM PDT	Special Weather Statement	HNX	Fresno	37 min
Sep 19, 5:18 PM PDT	Areal Flood Advisory	LOX	Santa Barbara	47 min
Sep 19, 5:58 PM PDT	Special Weather Statement	LOX		32 min
Sep 19, 6:12 PM PDT	Special Weather Statement	LOX	San Luis Obispo	33 min
Sep 19, 6:28 PM PDT	Special Weather Statement	LOX		32 min
Sep 19, 7:05 PM PDT	Flash Flood Warning	LOX	San Luis Obispo, Santa Barbara	60 min
Sep 19, 10:39 PM PDT	Special Weather Statement	HNX	Kern	36 min
Sep 19, 11:06 PM PDT	Special Weather Statement	HNX		24 min
Sep 19, 11:13 PM PDT	Special Weather Statement	HNX	Kern	32 min
Sep 20, 2:57 AM PDT	Small Craft Advisory	LOX		24 hr
Sep 20, 8:07 AM PDT	Areal Flood Advisory	HNX	Kern	113 min
Sep 20, 8:21 AM PDT	Areal Flood Advisory	VEF	San Bernardino	99 min
Sep 20, 9:02 AM PDT	Hazardous Seas Warning	EKA		24 hr
Sep 20, 9:57 AM PDT	Areal Flood Advisory	VEF	San Bernardino	2 hr
Sep 20, 12:20 PM PDT	Special Weather Statement	SGX		40 min
Sep 20, 12:48 PM PDT	Areal Flood Advisory	SGX	Riverside, San Bernardino	2 hr
Sep 20, 12:50 PM PDT	Areal Flood Advisory	SGX	San Bernardino	2 hr
Sep 20, 1:27 PM PDT	Areal Flood Advisory	VEF	San Bernardino	67 min
Sep 20, 2:01 PM PDT	Areal Flood Advisory	SGX	San Bernardino	119 min
Sep 20, 2:15 PM PDT	Flash Flood Warning Considerable damage threat	PSR	Riverside	3 hr
Sep 20, 2:17 PM PDT	Flash Flood Warning Considerable damage threat	SGX	San Bernardino	64 min
Sep 20, 3:32 PM PDT	Special Weather Statement	LOX	Los Angeles	28 min
Sep 21, 1:45 AM PDT	Frost Advisory	MFR	Modoc	31 hr
Sep 21, 2:59 AM PDT	Hazardous Seas Watch	EKA		6 hr
Sep 21, 8:33 AM PDT	Small Craft Advisory	MTR		42 hr
Sep 21, 8:49 AM PDT	Hazardous Seas Warning	EKA		24 hr
Sep 22, 8:54 AM PDT	Small Craft Advisory	EKA		24 hr
Sep 22, 12:08 PM PDT	Heat Advisory	MTR	Alameda, Contra Costa, San Mateo, Santa Clara, Santa Cruz	56 hr
Sep 23, 7:01 AM PDT	Dense Fog Advisory	LOX	San Luis Obispo, Santa Barbara	3 hr
Sep 23, 9:01 AM PDT	Small Craft Advisory	EKA		5 hr
Sep 23, 1:52 PM PDT	Dense Fog Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	13 hr
Sep 24, 12:30 AM PDT	Excessive Heat Warning	PSR	Imperial, Riverside	15 days
Sep 24, 2:38 AM PDT	Dense Fog Advisory	LOX	San Luis Obispo, Santa Barbara	6 hr
Sep 24, 12:42 PM PDT	Excessive Heat Warning	VEF	Inyo, San Bernardino	13 days
Sep 24, 8:46 PM PDT	Small Craft Advisory	LOX		30 hr
Sep 25, 1:49 AM PDT	Excessive Heat Warning	SGX	Riverside, San Diego	4 days
Sep 25, 2:42 AM PDT	Small Craft Advisory	EKA		5 days
Sep 25, 2:11 PM PDT	Small Craft Advisory	MTR		5 days
Sep 26, 2:04 PM PDT	Small Craft Advisory	EKA		5 days
Sep 26, 8:38 PM PDT	Small Craft Advisory	MTR		4 days
Sep 27, 12:34 AM PDT	Marine Dense Fog Advisory	MTR		7 hr
Sep 27, 12:35 AM PDT	Dense Fog Advisory	MTR	Monterey, San Benito, Santa Cruz	7 hr
Sep 27, 2:06 AM PDT	Dense Fog Advisory	LOX	San Luis Obispo, Santa Barbara	7 hr
Sep 27, 8:57 PM PDT	Dense Fog Advisory	LOX	San Luis Obispo, Santa Barbara	12 hr
Sep 28, 3:09 AM PDT	Gale Warning	EKA		66 hr
Sep 28, 12:51 PM PDT	Small Craft Advisory	LOX		44 hr
Sep 29, 2:02 AM PDT	Heat Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more	9 days
Sep 29, 4:05 AM PDT	Heat Advisory	EKA	Lake, Mendocino	8 hr
Sep 29, 10:04 AM PDT	Red Flag Warning	EKA		49 hr
Sep 29, 11:59 AM PDT	Red Flag Warning	MFR	Siskiyou	47 hr
Sep 29, 12:09 PM PDT	Heat Advisory	EKA	Lake, Mendocino	13 hr
Sep 29, 12:14 PM PDT	Excessive Heat Warning	SGX	Orange, Riverside, San Bernardino, San Diego	9 days
Sep 29, 12:14 PM PDT	Heat Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	8 days
Sep 29, 2:28 PM PDT	Excessive Heat Watch	LOX	Los Angeles, Santa Barbara, Ventura	23 hr
Sep 29, 2:28 PM PDT	Heat Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	4 days
Sep 30, 1:01 AM PDT	Excessive Heat Warning	EKA	Lake, Mendocino	12 min
Sep 30, 1:13 AM PDT	Heat Advisory	EKA	Lake, Mendocino	67 hr
Sep 30, 2:39 AM PDT	Gale Warning	MTR		6 hr
Sep 30, 3:08 AM PDT	Hazardous Seas Warning	EKA		24 hr
Sep 30, 3:53 AM PDT	Dense Fog Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	5 hr
Sep 30, 8:45 AM PDT	Small Craft Advisory	MTR		18 hr
Sep 30, 9:01 AM PDT	Heat Advisory	STO		8 days
Sep 30, 9:14 AM PDT	Heat Advisory	HNX	Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more	7 days
Sep 30, 12:38 PM PDT	Excessive Heat Warning	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more	6 days
Sep 30, 12:53 PM PDT	Fire Weather Watch	MTR	Monterey	23 hr
Sep 30, 1:03 PM PDT	Excessive Heat Warning	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	3 days
Sep 30, 1:55 PM PDT	Fire Weather Watch	LOX	San Luis Obispo, Santa Barbara	24 hr
Sep 30, 1:55 PM PDT	Red Flag Warning	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	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	29
Special Weather Statement	76
Flooding
Flash Flood Warning	15
Flash Flood Watch	1
Flood Watch	2
Areal Flood Advisory	36
Winter
Winter Weather Advisory	3
Heat
Excessive Heat Warning	12
Excessive Heat Watch	6
Heat Advisory	19
Cold
Frost Advisory	1
Wind and dust
High Wind Warning	1
Dust Storm Advisory	1
Lake Wind Advisory	3
Wind Advisory	10
Fire
Red Flag Warning	7
Fire Weather Watch	3
Fog and smoke
Dense Fog Advisory	10
Coast and beach
Beach Hazards Statement	1
Marine
Gale Warning	9
Hazardous Seas Warning	4
Gale Watch	5
Hazardous Seas Watch	2
Marine Dense Fog Advisory	3
Small Craft Advisory	38

By county

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

6 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2023 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.