Weather alerts in California, January 2009

136 weather alerts in January 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 January 2009. Tap one for its archive.

Alerts: 136
Warnings: 12
Watches: 10
Advisories: 107
Busiest day: January 1, 200917 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
Dec 31, 4:00 PM PST	Dense Fog Advisory	STO		12 hr
Dec 31, 4:01 PM PST	Dense Fog Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more	17 hr
Dec 31, 4:01 PM PST	Dense Fog Advisory	SGX	San Diego	18 hr
Dec 31, 4:01 PM PST	Winter Storm Watch	STO		23 hr
Dec 31, 6:05 PM PST	Dense Fog Advisory	LOX		16 hr
Jan 1, 2:37 AM PST	Small Craft Advisory	MTR		23 hr
Jan 1, 2:37 AM PST	Small Craft Advisory for Hazardous Seas	MTR		25 hr
Jan 1, 4:29 AM PST	Small Craft Advisory	EKA		71 hr
Jan 1, 4:29 AM PST	Hazardous Seas Warning	EKA		32 hr
Jan 1, 4:29 AM PST	Small Craft Advisory for Winds	EKA		24 hr
Jan 1, 4:29 AM PST	Small Craft Advisory for Hazardous Seas	EKA		24 hr
Jan 1, 2:37 PM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	25 hr
Jan 1, 2:37 PM PST	Wind Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more	27 hr
Jan 1, 2:38 PM PST	Small Craft Advisory for Rough Bar	MTR		13 hr
Jan 1, 2:38 PM PST	Small Craft Advisory	MTR		60 hr
Jan 1, 3:04 PM PST	Winter Weather Advisory	STO		23 hr
Jan 1, 3:57 PM PST	Dense Fog Advisory	SGX	Riverside, San Bernardino, San Diego	18 hr
Jan 1, 8:25 PM PST	Small Craft Advisory	LOX		61 hr
Jan 2, 2:28 AM PST	Small Craft Advisory	LOX		49 hr
Jan 2, 6:12 AM PST	Dense Fog Advisory	LOX	Los Angeles	6 hr
Jan 2, 8:42 AM PST	Small Craft Advisory for Winds	EKA		12 hr
Jan 2, 2:44 PM PST	Small Craft Advisory for Hazardous Seas	EKA		16 hr
Jan 2, 5:28 PM PST	Wind Advisory	VEF	Inyo	4 hr
Jan 2, 8:50 PM PST	Small Craft Advisory for Rough Bar	MTR		30 hr
Jan 3, 2:49 AM PST	Freeze Warning	MTR	Marin, Napa, Sonoma	29 hr
Jan 3, 1:59 PM PST	Lake Wind Advisory	VEF	San Bernardino	28 hr
Jan 3, 11:51 PM PST	Frost Advisory	MTR	Alameda, Contra Costa, San Mateo, Santa Clara	8 hr
Jan 4, 3:26 AM PST	Small Craft Advisory for Winds	EKA		35 hr
Jan 4, 3:26 AM PST	Small Craft Advisory for Hazardous Seas	EKA		6 days
Jan 4, 3:28 AM PST	Winter Weather Advisory	MFR	Siskiyou	33 hr
Jan 4, 3:35 AM PST	Wind Advisory	LOX	Los Angeles	11 hr
Jan 4, 8:20 AM PST	Freeze Warning	MTR	Marin, Napa, Santa Clara, Sonoma	80 min
Jan 4, 6:00 PM PST	Wind Advisory	LOX		4 hr
Jan 4, 7:43 PM PST	Small Craft Advisory	LOX		7 hr
Jan 5, 9:23 AM PST	Small Craft Advisory	LOX		42 hr
Jan 5, 2:40 PM PST	Wind Advisory	LOX		18 hr
Jan 6, 1:36 AM PST	Small Craft Advisory	MTR		20 hr
Jan 6, 8:52 PM PST	Small Craft Advisory for Hazardous Seas	LOX		24 hr
Jan 7, 3:08 AM PST	Dense Fog Advisory	MTR	Alameda, Contra Costa	6 hr
Jan 7, 8:58 AM PST	Small Craft Advisory for Winds	EKA		54 hr
Jan 7, 1:01 PM PST	High Wind Watch	SGX	Orange, Riverside, San Bernardino, San Diego	24 hr
Jan 7, 2:28 PM PST	Gale Watch	LOX		19 hr
Jan 7, 2:41 PM PST	Small Craft Advisory for Winds	EKA		36 hr
Jan 7, 3:03 PM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	27 hr
Jan 7, 8:14 PM PST	Small Craft Advisory	MTR		50 hr
Jan 7, 10:32 PM PST	Freezing Rain Advisory	MFR	Modoc, Siskiyou	3 hr
Jan 8, 2:25 AM PST	Small Craft Advisory	LOX		7 hr
Jan 8, 9:20 AM PST	Gale Warning	LOX		24 hr
Jan 8, 1:08 PM PST	High Wind Warning	SGX	Orange, Riverside, San Bernardino, San Diego	5 days
Jan 8, 1:08 PM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	5 days
Jan 8, 3:10 PM PST	Lake Wind Advisory	VEF	San Bernardino	27 hr
Jan 8, 3:11 PM PST	High Wind Watch	LOX	Los Angeles	12 hr
Jan 8, 3:17 PM PST	Red Flag Warning	LOX	Los Angeles	9 days
Jan 8, 8:44 PM PST	Small Craft Advisory	LOX		12 hr
Jan 9, 1:55 AM PST	Wind Advisory	PSR		17 hr
Jan 9, 2:28 AM PST	Small Craft Advisory	EKA		19 hr
Jan 9, 2:41 AM PST	Marine Dense Fog Advisory	MTR		7 hr
Jan 9, 3:06 AM PST	Small Craft Advisory	LOX		42 hr
Jan 9, 3:13 AM PST	High Wind Warning	LOX	Los Angeles	4 days
Jan 9, 3:13 AM PST	Wind Advisory	LOX	Los Angeles	56 hr
Jan 9, 3:23 AM PST	Dense Fog Advisory	MTR	Alameda, Contra Costa, City and County of San Francisco, San Mateo, Santa Clara	7 hr
Jan 9, 4:16 AM PST	Marine Weather Statement	LOX		31 hr
Jan 9, 6:30 AM PST	Dense Fog Advisory	SGX	San Diego	4 hr
Jan 9, 1:19 PM PST	Small Craft Advisory for Winds	SGX		7 hr
Jan 9, 3:08 PM PST	Small Craft Advisory for Rough Bar	MTR		11 hr
Jan 10, 1:58 PM PST	Dense Fog Advisory	HNX		22 hr
Jan 10, 2:04 PM PST	Small Craft Advisory	MTR		36 hr
Jan 10, 2:05 PM PST	Small Craft Advisory for Hazardous Seas	EKA		19 hr
Jan 10, 2:08 PM PST	Lake Wind Advisory	VEF	San Bernardino	5 hr
Jan 11, 7:26 AM PST	Dense Fog Advisory	STO		4 hr
Jan 11, 7:34 AM PST	Small Craft Advisory for Winds	EKA		75 min
Jan 11, 8:49 AM PST	Small Craft Advisory	EKA		42 hr
Jan 11, 12:17 PM PST	Wind Advisory	MTR		36 hr
Jan 11, 2:45 PM PST	Lake Wind Advisory	VEF	San Bernardino	27 hr
Jan 11, 3:01 PM PST	Wind Advisory	STO		19 hr
Jan 11, 8:29 PM PST	Wind Advisory	LOX	Los Angeles	6 days
Jan 11, 9:05 PM PST	Small Craft Advisory	LOX		37 hr
Jan 11, 9:08 PM PST	Marine Weather Statement	LOX		30 hr
Jan 12, 3:16 AM PST	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	11 hr
Jan 13, 3:45 PM PST	Fire Weather Watch	LOX	Los Angeles	42 hr
Jan 13, 7:27 PM PST	Dense Fog Advisory	MFR	Modoc, Siskiyou	13 hr
Jan 14, 6:18 PM PST	Dense Fog Advisory	MFR	Modoc, Siskiyou	15 hr
Jan 15, 12:53 PM PST	High Surf Advisory	SGX	San Diego	3 days
Jan 15, 2:30 PM PST	High Surf Advisory	LOX		60 hr
Jan 15, 7:00 PM PST	Dense Fog Advisory	MFR	Siskiyou	14 hr
Jan 16, 1:48 PM PST	Dense Fog Advisory	MFR	Siskiyou	19 hr
Jan 17, 2:37 AM PST	Small Craft Advisory for Rough Bar	MTR		48 hr
Jan 17, 1:23 PM PST	Dense Fog Advisory	MFR	Siskiyou	19 hr
Jan 18, 2:27 AM PST	Coastal Flood Statement	LOX	Los Angeles	18 hr
Jan 19, 3:44 AM PST	Coastal Flood Statement	LOX	Los Angeles	34 hr
Jan 21, 8:48 AM PST	Small Craft Advisory	LOX		34 hr
Jan 22, 3:16 PM PST	Winter Storm Watch	STO		13 hr
Jan 23, 3:15 AM PST	Flash Flood Watch	HNX		36 hr
Jan 23, 3:15 AM PST	Winter Weather Advisory	HNX		31 hr
Jan 23, 4:01 AM PST	Winter Weather Advisory	STO		49 hr
Jan 23, 8:14 AM PST	Dense Fog Advisory	STO		3 hr
Jan 23, 1:02 PM PST	Areal Flood Advisory	STO	Amador, Calaveras, El Dorado, Placer, Tuolumne	6 hr
Jan 24, 4:41 AM PST	Dense Fog Advisory	PSR		3 hr
Jan 24, 2:09 PM PST	Small Craft Advisory	MTR		62 hr
Jan 24, 2:27 PM PST	Small Craft Advisory	EKA		59 hr
Jan 24, 3:30 PM PST	Winter Weather Advisory	HNX		37 hr
Jan 24, 3:42 PM PST	Severe Thunderstorm Warning	STO	Butte, Glenn	33 min
Jan 24, 5:05 PM PST	Severe Thunderstorm Warning	STO	Tehama	25 min
Jan 24, 9:09 PM PST	Winter Weather Advisory	REV	Lassen, Modoc, Plumas, Sierra	13 hr
Jan 25, 2:15 AM PST	Small Craft Advisory	LOX		49 hr
Jan 25, 2:47 AM PST	Small Craft Advisory	SGX		37 hr
Jan 25, 7:16 AM PST	Wind Advisory	VEF	San Bernardino	12 hr
Jan 25, 3:23 PM PST	Marine Weather Statement	MTR		5 hr
Jan 25, 11:09 PM PST	Wind Advisory	PSR		12 hr
Jan 26, 1:21 AM PST	Wind Advisory	SGX	San Diego	12 hr
Jan 26, 3:31 AM PST	Small Craft Advisory for Rough Bar	MTR		5 hr
Jan 26, 8:42 AM PST	Marine Weather Statement	SGX		7 hr
Jan 27, 3:42 AM PST	Small Craft Advisory	LOX		5 hr
Jan 27, 7:11 AM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	8 hr
Jan 27, 8:04 AM PST	Wind Advisory	LOX		19 hr
Jan 27, 1:50 PM PST	Small Craft Advisory	MTR		43 hr
Jan 28, 2:21 AM PST	Small Craft Advisory	EKA		43 hr
Jan 28, 2:29 AM PST	Small Craft Advisory	LOX		24 hr
Jan 28, 1:13 PM PST	High Wind Watch	SGX	Orange, Riverside, San Bernardino, San Diego	6 hr
Jan 28, 1:13 PM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	52 hr
Jan 28, 2:21 PM PST	Wind Advisory	LOX	Los Angeles	48 hr
Jan 28, 2:38 PM PST	Lake Wind Advisory	VEF	San Bernardino	28 hr
Jan 28, 2:47 PM PST	Small Craft Advisory	LOX		43 hr
Jan 28, 7:38 PM PST	High Wind Warning	SGX	Orange, Riverside, San Bernardino, San Diego	42 hr
Jan 28, 9:48 PM PST	High Wind Watch	LOX		16 hr
Jan 28, 9:48 PM PST	High Wind Warning	LOX		16 hr
Jan 29, 2:21 AM PST	Gale Watch	EKA		24 hr
Jan 29, 8:43 AM PST	Marine Weather Statement	MTR		3 hr
Jan 30, 2:42 AM PST	Gale Warning	EKA		45 hr
Jan 30, 2:59 AM PST	Small Craft Advisory	MTR		67 hr
Jan 30, 4:59 AM PST	Dense Fog Advisory	STO		4 hr
Jan 30, 5:35 AM PST	Dense Fog Advisory	HNX		5 hr
Jan 30, 2:31 PM PST	Small Craft Advisory for Winds	EKA		36 hr
Jan 30, 2:31 PM PST	Small Craft Advisory for Hazardous Seas	EKA		36 hr
Jan 31, 3:09 AM PST	Dense Fog Advisory	HNX		8 hr
Jan 31, 1:31 PM PST	Dense Fog Advisory	HNX		21 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	2
Flooding
Flash Flood Watch	1
Areal Flood Advisory	1
Winter
Winter Storm Watch	2
Freezing Rain Advisory	1
Winter Weather Advisory	6
Cold
Freeze Warning	2
Frost Advisory	1
Wind and dust
High Wind Warning	4
High Wind Watch	4
Lake Wind Advisory	8
Wind Advisory	18
Fire
Red Flag Warning	1
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	22
Coast and beach
High Surf Advisory	2
Coastal Flood Statement	2
Marine
Gale Warning	2
Hazardous Seas Warning	1
Gale Watch	2
Marine Dense Fog Advisory	1
Small Craft Advisory	27
Small Craft Advisory for Hazardous Seas	7
Small Craft Advisory for Rough Bar	5
Small Craft Advisory for Winds	8
Marine Weather Statement	5

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.