Weather alerts in California, May 2010

209 weather alerts in May 2010, 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 May 2010. Tap one for its archive.

Alerts: 209
Warnings: 47
Watches: 32
Advisories: 120
Busiest day: May 10, 201019 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
Apr 30, 8:58 PM PDT	Small Craft Advisory	LOX		17 hr
Apr 30, 9:34 PM PDT	Small Craft Advisory for Rough Bar	MTR		5 hr
Apr 30, 9:34 PM PDT	Small Craft Advisory	MTR		23 hr
May 1, 2:30 AM PDT	Hazardous Seas Warning	EKA		42 hr
May 1, 3:07 AM PDT	Gale Warning	LOX		42 hr
May 1, 3:07 AM PDT	Small Craft Advisory	LOX		24 hr
May 1, 1:30 PM PDT	Frost Advisory	EKA		15 hr
May 1, 1:33 PM PDT	Red Flag Warning	PSR	Imperial, Riverside	29 hr
May 1, 2:39 PM PDT	Lake Wind Advisory	VEF	San Bernardino	28 hr
May 1, 4:51 PM PDT	Wind Advisory	LOX		10 hr
May 2, 2:48 AM PDT	Small Craft Advisory	LOX		6 hr
May 2, 8:52 AM PDT	Small Craft Advisory	LOX		12 hr
May 2, 8:52 AM PDT	Small Craft Advisory for Hazardous Seas	LOX		12 hr
May 2, 9:10 AM PDT	Small Craft Advisory for Rough Bar	MTR		18 hr
May 2, 2:02 PM PDT	High Wind Warning	MFR	Modoc	31 hr
May 2, 2:18 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	30 hr
May 2, 2:18 PM PDT	Wind Advisory	REV	Lassen, Modoc, Plumas, Sierra	30 hr
May 3, 2:53 AM PDT	Gale Watch	EKA		24 hr
May 3, 2:53 AM PDT	Hazardous Seas Watch	EKA		24 hr
May 3, 2:22 PM PDT	Frost Advisory	EKA		18 hr
May 3, 2:29 PM PDT	Gale Warning	MTR		61 hr
May 3, 2:51 PM PDT	Gale Warning	EKA		36 hr
May 3, 2:51 PM PDT	Hazardous Seas Warning	EKA		60 hr
May 4, 3:09 AM PDT	Dense Fog Advisory	LOX		6 hr
May 4, 3:14 AM PDT	Freeze Watch	EKA		12 hr
May 4, 3:22 AM PDT	Small Craft Advisory	LOX		17 hr
May 4, 9:11 AM PDT	Gale Warning	LOX		60 hr
May 4, 2:46 PM PDT	Frost Advisory	EKA		17 hr
May 4, 2:46 PM PDT	Freeze Watch	EKA		23 hr
May 4, 2:46 PM PDT	Freeze Warning	EKA		17 hr
May 4, 2:58 PM PDT	Wind Advisory	VEF	San Bernardino	33 hr
May 4, 3:31 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	28 hr
May 4, 9:03 PM PDT	Small Craft Advisory for Rough Bar	MTR		12 hr
May 4, 9:03 PM PDT	Small Craft Advisory	MTR		117 min
May 5, 2:44 AM PDT	Gale Warning	EKA		24 hr
May 5, 2:53 AM PDT	Small Craft Advisory	LOX		42 hr
May 5, 3:13 AM PDT	Wind Advisory	HNX		26 hr
May 5, 3:32 AM PDT	Red Flag Warning	VEF	San Bernardino	17 hr
May 5, 3:51 AM PDT	Wind Advisory	LOX		47 hr
May 5, 1:38 PM PDT	Frost Advisory	EKA		18 hr
May 5, 1:38 PM PDT	Freeze Warning	EKA		18 hr
May 6, 2:51 AM PDT	Gale Watch	LOX		24 hr
May 6, 3:27 AM PDT	Small Craft Advisory	MTR		18 hr
May 6, 3:40 PM PDT	Frost Advisory	EKA		16 hr
May 6, 9:07 PM PDT	Small Craft Advisory	LOX		17 hr
May 7, 2:33 AM PDT	Gale Warning	LOX		4 days
May 7, 2:25 PM PDT	Fire Weather Watch	PSR	Imperial, Riverside, San Bernardino	24 hr
May 7, 2:47 PM PDT	Fire Weather Watch	VEF	San Bernardino	16 hr
May 7, 3:02 PM PDT	Wind Advisory	LOX		20 hr
May 8, 3:06 AM PDT	Small Craft Advisory	LOX		30 hr
May 8, 6:29 AM PDT	Red Flag Warning	VEF	San Bernardino	41 hr
May 8, 2:27 PM PDT	Gale Watch	LOX		13 hr
May 8, 2:27 PM PDT	Wind Advisory	LOX	Los Angeles	4 days
May 8, 2:42 PM PDT	Red Flag Warning	PSR	Imperial, Riverside, San Bernardino	32 hr
May 8, 2:57 PM PDT	High Wind Warning	VEF	San Bernardino	33 hr
May 8, 2:57 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	33 hr
May 8, 3:13 PM PDT	Wind Advisory	PSR		32 hr
May 8, 3:31 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	28 hr
May 8, 6:40 PM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	32 hr
May 8, 9:18 PM PDT	Wind Advisory	HNX		26 hr
May 9, 2:31 AM PDT	Small Craft Advisory	MTR		18 hr
May 9, 3:09 AM PDT	Winter Storm Watch	MFR	Siskiyou	11 hr
May 9, 12:09 PM PDT	Coastal Flood Statement	LOX	Los Angeles	62 hr
May 9, 2:21 PM PDT	Gale Watch	LOX		13 hr
May 9, 2:21 PM PDT	Small Craft Advisory	LOX		13 hr
May 9, 2:24 PM PDT	Winter Weather Advisory	MFR	Siskiyou	27 hr
May 9, 2:27 PM PDT	Small Craft Advisory	MTR		5 days
May 9, 2:49 PM PDT	High Wind Warning	PSR		5 hr
May 9, 3:16 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	29 hr
May 9, 3:16 PM PDT	Wind Advisory	REV	Mono	29 hr
May 9, 3:35 PM PDT	Small Craft Advisory for Winds	SGX		11 hr
May 9, 4:02 PM PDT	Winter Weather Advisory	STO		35 hr
May 9, 7:30 PM PDT	Winter Storm Watch	HNX		7 hr
May 9, 9:42 PM PDT	Small Craft Advisory	MTR		78 min
May 9, 9:42 PM PDT	Small Craft Advisory	MTR		71 hr
May 10, 2:51 AM PDT	Winter Storm Warning	HNX		26 hr
May 10, 2:51 AM PDT	Winter Weather Advisory	HNX		26 hr
May 10, 2:59 AM PDT	Small Craft Advisory	EKA		4 days
May 10, 2:59 AM PDT	Wind Advisory	HNX		42 hr
May 10, 3:11 AM PDT	Gale Warning	LOX		12 hr
May 10, 3:11 AM PDT	Small Craft Advisory	LOX		5 days
May 10, 3:20 AM PDT	Small Craft Advisory	SGX		41 hr
May 10, 4:26 AM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Nevada, Placer	19 hr
May 10, 4:42 AM PDT	High Wind Watch	LOX		6 hr
May 10, 4:56 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	37 hr
May 10, 7:49 AM PDT	Special Weather Statement	EKA	Humboldt	41 min
May 10, 8:17 AM PDT	Wind Advisory	STO		6 hr
May 10, 10:17 AM PDT	High Wind Warning	LOX		43 hr
May 10, 1:58 PM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	27 hr
May 10, 2:28 PM PDT	Winter Weather Advisory	EKA		8 hr
May 10, 3:09 PM PDT	Gale Warning	LOX		30 hr
May 10, 6:52 PM PDT	High Wind Warning	HNX		5 hr
May 10, 7:04 PM PDT	Special Weather Statement	STO	Sacramento	56 min
May 10, 8:14 PM PDT	Wind Advisory	PSR		4 hr
May 10, 10:52 PM PDT	Frost Advisory	EKA		8 hr
May 10, 10:52 PM PDT	Freeze Warning	EKA		8 hr
May 11, 2:47 AM PDT	Small Craft Advisory for Rough Bar	MTR		18 hr
May 11, 8:15 AM PDT	Wind Advisory	PSR		5 hr
May 12, 2:40 AM PDT	Gale Warning	EKA		21 hr
May 12, 2:40 AM PDT	Hazardous Seas Warning	EKA		21 hr
May 12, 3:20 AM PDT	Gale Warning	MTR		11 hr
May 13, 4:33 AM PDT	Small Craft Advisory	MTR		22 hr
May 14, 3:11 AM PDT	Small Craft Advisory	MTR		18 hr
May 14, 10:29 AM PDT	High Surf Advisory	SGX	San Diego	14 hr
May 15, 2:51 AM PDT	Small Craft Advisory	LOX		24 hr
May 15, 4:39 AM PDT	Small Craft Advisory	MTR		16 hr
May 16, 8:39 AM PDT	Small Craft Advisory	MTR		12 hr
May 16, 2:11 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	25 hr
May 16, 2:14 PM PDT	Winter Storm Watch	HNX		13 hr
May 17, 3:00 AM PDT	Winter Weather Advisory	HNX		5 hr
May 17, 3:00 AM PDT	Winter Weather Advisory	STO		25 hr
May 17, 7:53 AM PDT	Winter Storm Warning	HNX		18 hr
May 18, 2:23 AM PDT	Gale Warning	EKA		37 hr
May 18, 2:23 AM PDT	Small Craft Advisory	EKA		6 days
May 18, 2:31 AM PDT	Gale Watch	LOX		25 hr
May 18, 2:31 AM PDT	Small Craft Advisory	LOX		67 hr
May 18, 3:18 AM PDT	Wind Advisory	LOX		18 hr
May 18, 2:02 PM PDT	Wind Advisory	MFR	Modoc, Siskiyou	35 hr
May 18, 3:00 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	29 hr
May 18, 8:46 PM PDT	Small Craft Advisory	MTR		5 days
May 18, 9:02 PM PDT	Small Craft Advisory for Hazardous Seas	EKA		29 hr
May 19, 3:30 AM PDT	Gale Warning	LOX		5 days
May 19, 4:07 AM PDT	Wind Advisory	LOX	Los Angeles	5 days
May 19, 8:52 AM PDT	Gale Watch	LOX		18 hr
May 19, 1:23 PM PDT	Fire Weather Watch	SGX	Riverside, San Bernardino, San Diego	24 hr
May 19, 3:21 PM PDT	Fire Weather Watch	VEF	San Bernardino	23 hr
May 19, 3:40 PM PDT	High Wind Watch	VEF	Inyo	36 hr
May 19, 10:54 PM PDT	Wind Advisory	HNX		70 hr
May 20, 1:35 PM PDT	Red Flag Warning	SGX	Riverside, San Bernardino, San Diego	48 hr
May 20, 1:37 PM PDT	Small Craft Advisory for Winds	SGX		9 hr
May 20, 1:50 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	33 hr
May 20, 1:50 PM PDT	Wind Advisory	REV	Mono	30 hr
May 20, 1:50 PM PDT	High Surf Advisory	SGX	San Diego	3 days
May 20, 2:02 PM PDT	Red Flag Warning	VEF	San Bernardino	57 hr
May 20, 2:07 PM PDT	Frost Advisory	EKA		17 hr
May 20, 2:19 PM PDT	Wind Advisory	VEF	San Bernardino	61 hr
May 20, 2:34 PM PDT	Gale Watch	LOX		12 hr
May 21, 1:59 AM PDT	Small Craft Advisory	SGX		67 hr
May 21, 2:39 AM PDT	Small Craft Advisory	MTR		21 hr
May 21, 2:55 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	65 hr
May 21, 3:01 AM PDT	Gale Watch	LOX		24 hr
May 21, 3:01 AM PDT	Small Craft Advisory	LOX		36 hr
May 21, 3:50 AM PDT	High Wind Warning	HNX		17 hr
May 21, 4:05 AM PDT	High Wind Warning	VEF	Inyo	19 hr
May 21, 9:35 AM PDT	Gale Warning	SGX		34 hr
May 21, 9:35 AM PDT	Small Craft Advisory	SGX		18 min
May 21, 9:53 AM PDT	Gale Watch	SGX		15 hr
May 21, 2:06 PM PDT	Fire Weather Watch	PSR	Imperial, Riverside	15 hr
May 21, 2:06 PM PDT	Fire Weather Watch	PSR	Imperial, Riverside	15 hr
May 21, 2:14 PM PDT	Frost Advisory	MFR	Siskiyou	19 hr
May 21, 2:14 PM PDT	Frost Advisory	MFR	Siskiyou	43 hr
May 21, 2:14 PM PDT	Freeze Warning	MFR	Modoc, Siskiyou	19 hr
May 21, 2:14 PM PDT	Freeze Warning	MFR	Modoc, Siskiyou	43 hr
May 21, 9:51 PM PDT	Small Craft Advisory	MTR		56 hr
May 22, 2:36 AM PDT	Gale Warning	LOX		43 hr
May 22, 3:00 AM PDT	Small Craft Advisory	EKA		19 hr
May 22, 4:07 AM PDT	Wind Advisory	PSR		40 hr
May 22, 5:19 AM PDT	Red Flag Warning	PSR	Imperial, Riverside, San Bernardino	14 hr
May 22, 5:19 AM PDT	Red Flag Warning	PSR	Imperial, Riverside	39 hr
May 22, 9:57 AM PDT	Coastal Flood Statement	LOX		16 hr
May 22, 2:33 PM PDT	Frost Advisory	EKA		17 hr
May 22, 2:56 PM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Mono, Nevada, Placer	18 hr
May 23, 1:09 AM PDT	High Wind Warning	PSR		7 hr
May 23, 1:59 AM PDT	Coastal Flood Statement	LOX	Los Angeles	25 hr
May 23, 2:48 AM PDT	Freeze Watch	MFR	Modoc, Siskiyou	12 hr
May 23, 2:41 PM PDT	Frost Advisory	MFR	Siskiyou	17 hr
May 23, 2:41 PM PDT	Freeze Warning	MFR	Modoc, Siskiyou	17 hr
May 23, 2:50 PM PDT	Small Craft Advisory	EKA		54 hr
May 23, 9:26 PM PDT	Small Craft Advisory	LOX		5 hr
May 24, 2:34 AM PDT	Small Craft Advisory for Hazardous Seas	LOX		7 hr
May 24, 3:31 AM PDT	Winter Storm Watch	STO		32 hr
May 24, 4:06 AM PDT	Winter Storm Watch	HNX		8 hr
May 24, 12:19 PM PDT	Winter Storm Watch	HNX		27 hr
May 24, 12:19 PM PDT	Winter Storm Warning	HNX		4 days
May 24, 4:46 PM PDT	Small Craft Advisory	LOX		4 hr
May 25, 11:11 AM PDT	Winter Weather Advisory	STO		24 hr
May 26, 3:44 AM PDT	High Wind Watch	VEF	Inyo	7 hr
May 26, 10:25 AM PDT	Wind Advisory	VEF	Inyo	11 hr
May 26, 3:14 PM PDT	High Wind Watch	VEF	Inyo	24 hr
May 26, 3:14 PM PDT	Wind Advisory	VEF	Inyo	33 hr
May 26, 4:52 PM PDT	Winter Weather Advisory	STO		32 hr
May 27, 3:39 AM PDT	High Wind Watch	HNX		11 hr
May 27, 3:43 AM PDT	Freeze Watch	MFR	Modoc, Siskiyou	22 hr
May 27, 2:04 PM PDT	Small Craft Advisory	MTR		6 days
May 27, 2:23 PM PDT	High Wind Watch	LOX		14 hr
May 27, 2:23 PM PDT	Wind Advisory	LOX	Los Angeles	48 hr
May 27, 2:30 PM PDT	High Wind Warning	HNX		31 hr
May 27, 2:30 PM PDT	Wind Advisory	HNX		31 hr
May 27, 2:52 PM PDT	Special Weather Statement	STO	Sacramento, Solano	38 min
May 27, 4:05 PM PDT	Special Weather Statement	STO	Sacramento, Sutter, Yuba	55 min
May 27, 4:23 PM PDT	Special Weather Statement	STO	Sacramento	37 min
May 27, 4:52 PM PDT	Special Weather Statement	STO	Yuba	38 min
May 27, 6:03 PM PDT	Special Weather Statement	STO	Butte	42 min
May 28, 2:02 AM PDT	Freeze Warning	MFR	Modoc, Siskiyou	31 hr
May 28, 2:26 AM PDT	Gale Warning	LOX		29 hr
May 28, 2:26 AM PDT	Small Craft Advisory	LOX		24 hr
May 28, 2:54 AM PDT	Small Craft Advisory	EKA		66 hr
May 28, 4:08 AM PDT	High Wind Warning	LOX		29 hr
May 28, 9:04 AM PDT	Small Craft Advisory for Winds	SGX		11 hr
May 28, 1:48 PM PDT	Wind Advisory	LOX		24 hr
May 28, 9:00 PM PDT	Wind Advisory	HNX		3 hr
May 29, 2:32 AM PDT	Small Craft Advisory	LOX		4 days
May 29, 3:44 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino	9 hr
May 29, 7:50 AM PDT	Lake Wind Advisory	VEF	San Bernardino	8 hr
May 29, 8:47 AM PDT	Small Craft Advisory	MTR		60 hr
May 29, 8:48 AM PDT	Gale Warning	LOX		12 hr
May 29, 2:56 PM PDT	Wind Advisory	LOX		12 hr
May 30, 3:05 AM PDT	Small Craft Advisory	LOX		3 days
May 30, 3:21 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	29 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	7
Winter
Winter Storm Warning	3
Winter Storm Watch	6
Winter Weather Advisory	10
Cold
Freeze Warning	7
Freeze Watch	4
Frost Advisory	11
Wind and dust
High Wind Warning	10
High Wind Watch	6
Lake Wind Advisory	10
Wind Advisory	34
Fire
Red Flag Warning	8
Fire Weather Watch	6
Fog and smoke
Dense Fog Advisory	1
Coast and beach
High Surf Advisory	2
Coastal Flood Statement	3
Marine
Gale Warning	16
Hazardous Seas Warning	3
Gale Watch	9
Hazardous Seas Watch	1
Small Craft Advisory	42
Small Craft Advisory for Hazardous Seas	3
Small Craft Advisory for Rough Bar	4
Small Craft Advisory for Winds	3

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2009 2011

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. Rebuilt daily.