Weather alerts in California, April 2009

209 weather alerts in April 2009, 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 2009. Tap one for its archive.

Alerts: 209
Warnings: 46
Watches: 26
Advisories: 134
Busiest day: April 2, 200922 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, 9:31 PM PDT	Gale Warning	LOX		3 days
Mar 31, 9:32 PM PDT	Wind Advisory	HNX		11 hr
Mar 31, 9:35 PM PDT	Wind Advisory	LOX		24 hr
Apr 1, 3:06 AM PDT	Gale Watch	EKA		24 hr
Apr 1, 3:06 AM PDT	Hazardous Seas Watch	EKA		24 hr
Apr 1, 3:29 AM PDT	Small Craft Advisory	MTR		6 hr
Apr 1, 9:06 AM PDT	Small Craft Advisory	LOX		12 hr
Apr 1, 10:15 AM PDT	Gale Warning	MTR		17 hr
Apr 1, 10:15 AM PDT	Small Craft Advisory	MTR		39 hr
Apr 1, 11:26 AM PDT	Small Craft Advisory for Rough Bar	MTR		16 hr
Apr 1, 2:33 PM PDT	Wind Advisory	HNX		53 hr
Apr 1, 3:01 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	38 hr
Apr 1, 3:49 PM PDT	High Wind Watch	VEF	San Bernardino	30 hr
Apr 1, 3:49 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	53 hr
Apr 1, 9:24 PM PDT	Small Craft Advisory	LOX		22 hr
Apr 2, 3:00 AM PDT	Gale Warning	EKA		48 hr
Apr 2, 3:00 AM PDT	Hazardous Seas Warning	EKA		48 hr
Apr 2, 3:00 AM PDT	Small Craft Advisory for Winds	EKA		54 hr
Apr 2, 3:33 AM PDT	Gale Warning	MTR		47 hr
Apr 2, 3:33 AM PDT	Small Craft Advisory for Rough Bar	MTR		56 hr
Apr 2, 3:33 AM PDT	Small Craft Advisory	MTR		56 hr
Apr 2, 3:51 AM PDT	Frost Advisory	EKA		28 hr
Apr 2, 3:51 AM PDT	Freeze Watch	EKA		23 hr
Apr 2, 4:01 AM PDT	High Wind Watch	SGX	Riverside, San Bernardino	24 hr
Apr 2, 4:01 AM PDT	Wind Advisory	SGX	San Bernardino	26 hr
Apr 2, 4:10 AM PDT	Fire Weather Watch	PSR	Imperial, Riverside	11 hr
Apr 2, 4:17 AM PDT	High Wind Watch	LOX		26 hr
Apr 2, 8:39 AM PDT	Wind Advisory	LOX	Los Angeles	42 hr
Apr 2, 9:03 AM PDT	Small Craft Advisory	SGX		36 hr
Apr 2, 12:19 PM PDT	Wind Advisory	PSR		34 hr
Apr 2, 1:03 PM PDT	High Surf Advisory	SGX	San Diego	3 hr
Apr 2, 2:16 PM PDT	Wind Advisory	REV	Mono	16 hr
Apr 2, 2:55 PM PDT	Red Flag Warning	PSR	Imperial, Riverside	31 hr
Apr 2, 2:56 PM PDT	Wind Advisory	STO		29 hr
Apr 2, 3:31 PM PDT	Winter Weather Advisory	REV	Lassen, Plumas, Sierra	17 hr
Apr 2, 3:40 PM PDT	Small Craft Advisory	MTR		29 hr
Apr 2, 5:01 PM PDT	High Wind Warning	VEF	Inyo	17 hr
Apr 2, 6:12 PM PDT	Wind Advisory	MTR	Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more	3 hr
Apr 2, 7:01 PM PDT	Gale Watch	LOX		9 hr
Apr 2, 9:41 PM PDT	High Wind Warning	VEF	San Bernardino	24 hr
Apr 2, 9:41 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	24 hr
Apr 3, 2:29 AM PDT	Frost Advisory	EKA		11 hr
Apr 3, 2:29 AM PDT	Freeze Warning	EKA		30 hr
Apr 3, 3:34 AM PDT	High Wind Warning	SGX	Riverside, San Bernardino	18 hr
Apr 3, 3:34 AM PDT	Wind Advisory	SGX	San Diego	18 hr
Apr 3, 4:06 AM PDT	Small Craft Advisory	LOX		23 hr
Apr 3, 4:22 AM PDT	High Wind Warning	LOX		16 hr
Apr 3, 6:46 AM PDT	Dense Fog Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	4 hr
Apr 3, 8:22 AM PDT	High Wind Warning	HNX		12 hr
Apr 3, 10:01 AM PDT	High Surf Advisory	LOX		18 hr
Apr 3, 1:56 PM PDT	Frost Advisory	HNX		19 hr
Apr 3, 3:12 PM PDT	Frost Advisory	LOX	Santa Barbara	18 hr
Apr 3, 3:24 PM PDT	Wind Advisory	MTR	Alameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more	5 hr
Apr 4, 2:36 AM PDT	Small Craft Advisory for Hazardous Seas	EKA		8 hr
Apr 4, 2:43 AM PDT	Freeze Watch	LOX	Santa Barbara	13 hr
Apr 4, 2:58 AM PDT	Small Craft Advisory	LOX		6 hr
Apr 4, 9:06 AM PDT	Small Craft Advisory for Hazardous Seas	LOX		12 hr
Apr 4, 1:27 PM PDT	Frost Advisory	EKA		19 hr
Apr 4, 3:19 PM PDT	Freeze Warning	LOX	Santa Barbara	18 hr
Apr 5, 8:33 AM PDT	Small Craft Advisory for Hazardous Seas	EKA		31 hr
Apr 5, 1:39 PM PDT	Frost Advisory	EKA		19 hr
Apr 5, 2:54 PM PDT	Frost Advisory	LOX	Santa Barbara	18 hr
Apr 6, 3:48 AM PDT	Red Flag Warning	HNX		14 hr
Apr 6, 6:18 PM PDT	Red Flag Warning	HNX		3 hr
Apr 6, 6:48 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	36 hr
Apr 7, 2:50 AM PDT	Marine Weather Statement	MTR		24 hr
Apr 7, 2:52 AM PDT	Winter Weather Advisory	MFR	Modoc, Siskiyou	32 hr
Apr 7, 2:54 AM PDT	Small Craft Advisory	MTR		12 hr
Apr 7, 3:23 AM PDT	Winter Weather Advisory	STO		32 hr
Apr 7, 4:47 AM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more	30 hr
Apr 7, 4:48 AM PDT	Winter Weather Advisory	HNX		30 hr
Apr 7, 10:54 AM PDT	Wind Advisory	HNX		7 hr
Apr 7, 2:00 PM PDT	Wind Advisory	PSR		31 hr
Apr 7, 3:59 PM PDT	Wind Advisory	VEF	San Bernardino	28 hr
Apr 7, 4:31 PM PDT	Marine Weather Statement	LOX		15 hr
Apr 7, 6:46 PM PDT	Wind Advisory	LOX		4 hr
Apr 7, 8:50 PM PDT	Wind Advisory	PSR		24 hr
Apr 8, 1:20 AM PDT	Areal Flood Advisory	HNX	Fresno	3 hr
Apr 8, 2:53 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	19 hr
Apr 8, 3:11 AM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	17 hr
Apr 8, 5:50 AM PDT	Small Craft Advisory	MTR		3 hr
Apr 8, 11:10 AM PDT	Small Craft Advisory	LOX		15 hr
Apr 8, 11:36 AM PDT	Winter Weather Advisory	MFR	Modoc	3 hr
Apr 8, 2:54 PM PDT	Winter Weather Advisory	MFR	Siskiyou	29 hr
Apr 9, 2:34 AM PDT	Gale Watch	LOX		31 hr
Apr 9, 3:02 AM PDT	Winter Weather Advisory	STO		65 min
Apr 9, 4:06 AM PDT	Small Craft Advisory	MTR		10 days
Apr 9, 4:07 AM PDT	Winter Weather Advisory	STO		25 hr
Apr 9, 2:36 PM PDT	Small Craft Advisory	EKA		32 hr
Apr 10, 2:28 AM PDT	Small Craft Advisory	LOX		36 hr
Apr 10, 9:37 AM PDT	Gale Warning	LOX		35 hr
Apr 11, 2:34 AM PDT	Small Craft Advisory	LOX		18 hr
Apr 11, 3:02 AM PDT	Small Craft Advisory	SGX		14 hr
Apr 11, 8:41 PM PDT	Small Craft Advisory	LOX		42 hr
Apr 12, 3:32 AM PDT	Gale Watch	EKA		11 hr
Apr 12, 3:32 AM PDT	Small Craft Advisory for Hazardous Seas	EKA		4 days
Apr 12, 1:22 PM PDT	High Wind Watch	HNX		24 hr
Apr 12, 2:28 PM PDT	Gale Watch	LOX		13 hr
Apr 12, 2:36 PM PDT	Small Craft Advisory for Rough Bar	MTR		4 days
Apr 12, 2:44 PM PDT	Gale Warning	EKA		60 hr
Apr 12, 2:44 PM PDT	Hazardous Seas Warning	EKA		60 hr
Apr 12, 2:44 PM PDT	Small Craft Advisory for Winds	EKA		3 days
Apr 12, 3:03 PM PDT	High Wind Watch	VEF	Inyo, San Bernardino	24 hr
Apr 12, 8:36 PM PDT	Gale Warning	LOX		4 days
Apr 12, 9:38 PM PDT	Gale Watch	MTR		5 hr
Apr 13, 2:48 AM PDT	Gale Warning	MTR		48 hr
Apr 13, 3:36 AM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	63 hr
Apr 13, 3:41 AM PDT	High Wind Watch	LOX		25 hr
Apr 13, 4:10 AM PDT	Frost Advisory	EKA		22 hr
Apr 13, 4:10 AM PDT	Freeze Warning	EKA		29 hr
Apr 13, 9:18 AM PDT	Gale Watch	LOX		19 hr
Apr 13, 12:56 PM PDT	Dust Storm Warning	HNX		40 hr
Apr 13, 12:56 PM PDT	High Wind Warning	HNX		55 hr
Apr 13, 1:24 PM PDT	High Wind Watch	SGX	Riverside, San Bernardino, San Diego	14 hr
Apr 13, 2:35 PM PDT	Wind Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, San Benito, City and County of San Francisco and 4 more	32 hr
Apr 13, 3:04 PM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara	60 hr
Apr 13, 3:27 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	36 hr
Apr 13, 3:38 PM PDT	Wind Advisory	REV	Mono	30 hr
Apr 13, 3:49 PM PDT	Fire Weather Watch	PSR	Imperial, Riverside	13 hr
Apr 13, 3:49 PM PDT	Wind Advisory	PSR		49 hr
Apr 13, 4:10 PM PDT	Wind Advisory	STO		24 hr
Apr 13, 8:08 PM PDT	Gale Watch	SGX		7 hr
Apr 14, 3:06 AM PDT	High Wind Warning	SGX	Riverside, San Bernardino, San Diego	32 hr
Apr 14, 3:06 AM PDT	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	22 hr
Apr 14, 3:11 AM PDT	Gale Warning	SGX		26 hr
Apr 14, 3:11 AM PDT	Small Craft Advisory	SGX		42 hr
Apr 14, 3:27 AM PDT	High Wind Warning	VEF	San Bernardino	24 hr
Apr 14, 3:58 AM PDT	Storm Warning	LOX		20 hr
Apr 14, 4:27 AM PDT	Coastal Flood Statement	LOX		11 hr
Apr 14, 4:27 AM PDT	High Surf Advisory	LOX	Los Angeles	35 hr
Apr 14, 4:58 AM PDT	High Wind Warning	LOX		40 hr
Apr 14, 5:10 AM PDT	Red Flag Warning	PSR	Imperial, Riverside	15 hr
Apr 14, 9:16 AM PDT	Lake Wind Advisory	VEF	San Bernardino	18 hr
Apr 14, 10:11 AM PDT	High Wind Warning	PSR		17 hr
Apr 14, 12:10 PM PDT	Small Craft Advisory	MTR		33 hr
Apr 14, 3:01 PM PDT	Frost Advisory	EKA		11 hr
Apr 14, 3:01 PM PDT	Freeze Warning	EKA		18 hr
Apr 14, 3:39 PM PDT	Wind Advisory	VEF	San Bernardino	25 hr
Apr 14, 5:15 PM PDT	Dense Fog Advisory	SGX	San Diego	15 hr
Apr 14, 7:03 PM PDT	Frost Advisory	MTR	Marin, Napa, Sonoma	13 hr
Apr 14, 9:00 PM PDT	Frost Advisory	LOX	Santa Barbara	11 hr
Apr 15, 1:05 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	19 hr
Apr 15, 4:21 AM PDT	Gale Warning	MTR		6 hr
Apr 15, 4:21 AM PDT	Small Craft Advisory	MTR		47 hr
Apr 15, 4:27 AM PDT	Blowing Dust Advisory	HNX		16 hr
Apr 15, 4:27 AM PDT	Wind Advisory	HNX		16 hr
Apr 15, 2:28 PM PDT	Frost Advisory	LOX	Santa Barbara	19 hr
Apr 15, 2:38 PM PDT	Frost Advisory	EKA		18 hr
Apr 15, 2:49 PM PDT	Frost Advisory	HNX		16 hr
Apr 15, 3:15 PM PDT	High Surf Advisory	LOX	Los Angeles	18 hr
Apr 16, 2:55 AM PDT	Small Craft Advisory	LOX		18 hr
Apr 16, 3:20 AM PDT	Small Craft Advisory	MTR		24 hr
Apr 16, 9:05 PM PDT	Gale Warning	LOX		5 hr
Apr 16, 9:05 PM PDT	Small Craft Advisory	LOX		12 hr
Apr 17, 3:17 AM PDT	Small Craft Advisory	MTR		19 hr
Apr 17, 3:17 AM PDT	Small Craft Advisory	MTR		29 hr
Apr 17, 8:49 AM PDT	Small Craft Advisory for Winds	EKA		3 days
Apr 17, 9:17 AM PDT	Small Craft Advisory	LOX		24 hr
Apr 18, 3:10 AM PDT	Small Craft Advisory for Hazardous Seas	EKA		59 hr
Apr 19, 4:54 PM PDT	Heat Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more	27 hr
Apr 20, 3:06 PM PDT	Heat Advisory	MTR	Santa Clara	29 hr
Apr 21, 3:47 PM PDT	Fire Weather Watch	VEF	San Bernardino	21 hr
Apr 21, 8:59 PM PDT	Small Craft Advisory	EKA		4 days
Apr 22, 2:36 AM PDT	Gale Warning	EKA		48 hr
Apr 22, 2:36 AM PDT	Small Craft Advisory for Hazardous Seas	EKA		5 days
Apr 22, 2:45 AM PDT	Small Craft Advisory	MTR		6 days
Apr 22, 2:58 AM PDT	Small Craft Advisory	MTR		68 hr
Apr 22, 12:52 PM PDT	Red Flag Warning	VEF	San Bernardino	3 days
Apr 22, 3:05 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	42 hr
Apr 22, 3:08 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	41 hr
Apr 23, 3:21 AM PDT	High Wind Warning	REV	Mono	30 hr
Apr 23, 3:11 PM PDT	High Wind Warning	VEF	Inyo	19 hr
Apr 23, 3:11 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	40 hr
Apr 24, 2:08 AM PDT	Small Craft Advisory	MTR		45 hr
Apr 24, 2:32 AM PDT	Gale Warning	EKA		23 hr
Apr 24, 3:05 AM PDT	Small Craft Advisory	LOX		3 days
Apr 24, 5:43 AM PDT	Fire Weather Watch	PSR	Imperial, Riverside	8 hr
Apr 24, 1:51 PM PDT	Red Flag Warning	PSR	Imperial, Riverside	15 hr
Apr 24, 3:14 PM PDT	Wind Advisory	VEF	San Bernardino	23 hr
Apr 24, 3:15 PM PDT	Frost Advisory	EKA		12 hr
Apr 24, 6:10 PM PDT	Severe Thunderstorm Warning	STO	Solano	50 min
Apr 24, 7:54 PM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	18 hr
Apr 25, 2:02 AM PDT	Gale Watch	EKA		13 hr
Apr 25, 3:19 AM PDT	Gale Warning	LOX		24 hr
Apr 25, 12:47 PM PDT	Wind Advisory	LOX		14 hr
Apr 25, 2:32 PM PDT	Gale Warning	EKA		32 hr
Apr 25, 2:32 PM PDT	Small Craft Advisory	EKA		6 hr
Apr 25, 8:58 PM PDT	Hazardous Seas Warning	EKA		30 hr
Apr 25, 8:58 PM PDT	Small Craft Advisory for Winds	EKA		41 hr
Apr 26, 9:21 AM PDT	Gale Warning	LOX		8 hr
Apr 26, 2:13 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	54 hr
Apr 26, 8:47 PM PDT	Small Craft Advisory for Hazardous Seas	EKA		17 hr
Apr 26, 8:55 PM PDT	Small Craft Advisory	MTR		20 hr
Apr 27, 9:02 AM PDT	Small Craft Advisory	LOX		18 hr
Apr 27, 1:47 PM PDT	Small Craft Advisory	EKA		13 hr
Apr 27, 5:23 PM PDT	Gale Warning	MTR		4 hr
Apr 27, 8:40 PM PDT	Gale Watch	LOX		7 hr
Apr 27, 8:56 PM PDT	Small Craft Advisory	MTR		2 hr
Apr 28, 2:51 AM PDT	Small Craft Advisory	MTR		18 hr
Apr 28, 3:19 AM PDT	Small Craft Advisory	LOX		24 hr
Apr 28, 3:50 AM PDT	Wind Advisory	VEF	San Bernardino	17 hr
Apr 28, 9:06 AM PDT	Gale Warning	LOX		12 hr
Apr 28, 3:20 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	12 hr
Apr 29, 3:01 AM PDT	Small Craft Advisory	MTR		35 hr
Apr 29, 4:41 AM PDT	Small Craft Advisory	LOX		46 hr
Apr 30, 2:07 PM PDT	Small Craft Advisory	MTR		35 hr
Apr 30, 2:29 PM PDT	Winter Storm Watch	HNX		13 hr
Apr 30, 2:52 PM PDT	Small Craft Advisory	EKA		13 hr
Apr 30, 3:18 PM PDT	Winter Storm Watch	STO		13 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
Flooding
Areal Flood Advisory	1
Winter
Winter Storm Watch	2
Winter Weather Advisory	9
Heat
Heat Advisory	2
Cold
Freeze Warning	4
Freeze Watch	2
Frost Advisory	15
Wind and dust
Dust Storm Warning	1
High Wind Warning	12
High Wind Watch	7
Blowing Dust Advisory	1
Lake Wind Advisory	7
Wind Advisory	36
Fire
Red Flag Warning	6
Fire Weather Watch	4
Fog and smoke
Dense Fog Advisory	2
Coast and beach
High Surf Advisory	4
Coastal Flood Statement	1
Marine
Gale Warning	18
Hazardous Seas Warning	3
Storm Warning	1
Gale Watch	10
Hazardous Seas Watch	1
Small Craft Advisory	43
Small Craft Advisory for Hazardous Seas	7
Small Craft Advisory for Rough Bar	3
Small Craft Advisory for Winds	4
Marine Weather Statement	2

Nearby

Alerts in force now Tornadoes on record The radar archive 2008 2010

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.