Weather alerts in California, September 2009

182 weather alerts in September 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 September 2009. Tap one for its archive.

Alerts: 182
Warnings: 58
Watches: 25
Advisories: 94
Busiest day: September 29, 200915 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
Sep 1, 2:53 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	37 min
Sep 1, 5:27 PM PDT	Small Craft Advisory	MTR		4 hr
Sep 1, 9:31 PM PDT	Small Craft Advisory	MTR		5 hr
Sep 1, 9:31 PM PDT	Small Craft Advisory	MTR		6 days
Sep 2, 4:12 AM PDT	Red Flag Warning	MFR	Siskiyou	16 hr
Sep 2, 9:04 AM PDT	Small Craft Advisory	LOX		4 days
Sep 2, 2:11 PM PDT	Flash Flood Warning	SGX	Riverside	49 min
Sep 2, 3:00 PM PDT	Areal Flood Advisory	VEF	San Bernardino	2 hr
Sep 2, 3:24 PM PDT	Flash Flood Warning	SGX	Riverside, San Bernardino	51 min
Sep 2, 3:24 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	38 min
Sep 2, 3:33 PM PDT	Flash Flood Warning	SGX	San Diego	65 min
Sep 2, 4:19 PM PDT	Severe Thunderstorm Warning	SGX	Orange, Riverside	26 min
Sep 2, 6:13 PM PDT	Severe Thunderstorm Warning	PSR	Riverside	22 min
Sep 2, 9:10 PM PDT	Small Craft Advisory	MTR		24 hr
Sep 3, 3:27 AM PDT	Small Craft Advisory	MTR		5 hr
Sep 3, 2:29 PM PDT	Gale Watch	LOX		19 hr
Sep 3, 2:34 PM PDT	Fire Weather Watch	REV	Lassen	18 hr
Sep 4, 8:43 AM PDT	Red Flag Warning	REV	El Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more	35 hr
Sep 4, 9:15 AM PDT	Fire Weather Watch	MFR	Modoc, Siskiyou	5 hr
Sep 4, 2:39 PM PDT	Special Weather Statement	REV	Mono	51 min
Sep 4, 2:39 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr
Sep 4, 2:42 PM PDT	Red Flag Warning	MFR	Modoc, Siskiyou	29 hr
Sep 4, 2:43 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	31 hr
Sep 4, 2:43 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more	53 hr
Sep 4, 7:05 PM PDT	Flash Flood Warning	VEF	San Bernardino	55 min
Sep 4, 7:28 PM PDT	Flash Flood Warning	VEF	San Bernardino	2 hr
Sep 4, 9:01 PM PDT	Gale Warning	LOX		6 hr
Sep 4, 9:32 PM PDT	Areal Flood Advisory	VEF	San Bernardino	118 min
Sep 4, 9:42 PM PDT	Flash Flood Warning	VEF	San Bernardino	2 hr
Sep 5, 12:05 AM PDT	Areal Flood Advisory	VEF	San Bernardino	108 min
Sep 5, 9:12 AM PDT	Gale Warning	LOX		12 hr
Sep 5, 3:25 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	50 min
Sep 5, 3:36 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	54 min
Sep 5, 4:03 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr
Sep 5, 4:13 PM PDT	Areal Flood Advisory	PSR	Imperial	52 min
Sep 5, 4:34 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr
Sep 5, 4:44 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	61 min
Sep 5, 4:50 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	55 min
Sep 5, 5:00 PM PDT	Severe Thunderstorm Warning	SGX	San Diego	60 min
Sep 5, 5:14 PM PDT	Dust Storm Warning	PSR		46 min
Sep 5, 5:25 PM PDT	Flash Flood Warning	SGX	San Diego	2 hr
Sep 5, 5:45 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	60 min
Sep 5, 5:46 PM PDT	Areal Flood Advisory	PSR	Imperial	104 min
Sep 5, 5:49 PM PDT	Severe Thunderstorm Warning	VEF	San Bernardino	26 min
Sep 5, 6:04 PM PDT	Severe Thunderstorm Warning	PSR	Imperial	25 min
Sep 5, 7:14 PM PDT	Areal Flood Advisory	PSR	Imperial, Riverside	106 min
Sep 5, 9:12 PM PDT	Small Craft Advisory	MTR		4 days
Sep 6, 3:13 AM PDT	Small Craft Advisory	EKA		11 hr
Sep 6, 3:47 AM PDT	Frost Advisory	MFR	Modoc, Siskiyou	28 hr
Sep 6, 9:09 AM PDT	Gale Warning	LOX		18 hr
Sep 6, 2:00 PM PDT	Small Craft Advisory for Hazardous Seas	EKA		19 hr
Sep 6, 8:37 PM PDT	Small Craft Advisory	MTR		24 hr
Sep 7, 3:00 AM PDT	Small Craft Advisory	EKA		65 hr
Sep 7, 3:19 AM PDT	Small Craft Advisory for Winds	LOX		6 hr
Sep 7, 3:50 AM PDT	Frost Advisory	MFR	Modoc, Siskiyou	28 hr
Sep 7, 9:29 AM PDT	Gale Warning	LOX		12 hr
Sep 7, 9:29 AM PDT	Small Craft Advisory	LOX		24 hr
Sep 8, 2:08 PM PDT	Small Craft Advisory	MTR		34 hr
Sep 8, 10:57 PM PDT	Small Craft Advisory	LOX		4 hr
Sep 9, 2:01 PM PDT	Small Craft Advisory	MTR		7 hr
Sep 10, 3:22 AM PDT	Small Craft Advisory	MTR		20 hr
Sep 11, 1:23 AM PDT	Small Craft Advisory	LOX		26 hr
Sep 11, 3:05 AM PDT	Small Craft Advisory	MTR		48 hr
Sep 11, 9:44 AM PDT	Fire Weather Watch	MTR	Marin, Monterey, Napa, San Mateo, Santa Clara, Santa Cruz and 1 more	5 hr
Sep 11, 11:00 AM PDT	Fire Weather Watch	EKA		17 hr
Sep 11, 11:32 AM PDT	Fire Weather Watch	STO		16 hr
Sep 11, 11:56 AM PDT	Fire Weather Watch	MFR	Siskiyou	16 hr
Sep 11, 2:17 PM PDT	Small Craft Advisory for Hazardous Seas	EKA		36 hr
Sep 11, 2:25 PM PDT	Red Flag Warning	MTR	Marin, Monterey, Napa, San Mateo, Santa Clara, Santa Cruz and 1 more	25 hr
Sep 11, 8:58 PM PDT	Small Craft Advisory	MTR		24 hr
Sep 12, 3:11 AM PDT	Red Flag Warning	STO		17 hr
Sep 12, 3:55 AM PDT	Red Flag Warning	EKA		19 hr
Sep 12, 3:55 AM PDT	Red Flag Warning	MFR	Siskiyou	19 hr
Sep 12, 9:02 AM PDT	Small Craft Advisory	LOX		18 hr
Sep 12, 2:46 PM PDT	Special Weather Statement	REV	Mono	59 min
Sep 12, 3:04 PM PDT	Special Weather Statement	REV	Sierra	41 min
Sep 12, 3:47 PM PDT	Special Weather Statement	REV	Plumas	43 min
Sep 12, 4:08 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Plumas	22 min
Sep 12, 4:30 PM PDT	Special Weather Statement	REV	Alpine	45 min
Sep 12, 8:56 PM PDT	Small Craft Advisory for Rough Bar	MTR		6 hr
Sep 13, 2:47 PM PDT	Small Craft Advisory	EKA		6 hr
Sep 13, 3:21 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	8 hr
Sep 14, 9:25 AM PDT	Small Craft Advisory	LOX		18 hr
Sep 15, 2:52 AM PDT	Small Craft Advisory	MTR		5 days
Sep 15, 3:09 AM PDT	Small Craft Advisory	LOX		6 hr
Sep 15, 9:07 AM PDT	Small Craft Advisory	LOX		66 hr
Sep 16, 8:38 PM PDT	Small Craft Advisory	EKA		4 days
Sep 16, 8:38 PM PDT	Small Craft Advisory for Winds	EKA		30 hr
Sep 17, 2:50 AM PDT	Small Craft Advisory	MTR		12 hr
Sep 18, 8:32 AM PDT	Small Craft Advisory for Hazardous Seas	LOX		6 hr
Sep 18, 9:26 AM PDT	Fire Weather Watch	MTR		28 hr
Sep 18, 2:54 PM PDT	Fire Weather Watch	STO		24 hr
Sep 18, 3:05 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	28 hr
Sep 19, 1:00 PM PDT	Red Flag Warning	MTR		3 days
Sep 19, 1:36 PM PDT	Fire Weather Watch	LOX	Los Angeles	25 hr
Sep 19, 1:55 PM PDT	Excessive Heat Watch	MTR	Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more	24 hr
Sep 19, 2:36 PM PDT	Gale Warning	EKA		19 hr
Sep 19, 2:36 PM PDT	Hazardous Seas Warning	EKA		38 hr
Sep 19, 2:36 PM PDT	Small Craft Advisory for Winds	EKA		17 hr
Sep 19, 2:48 PM PDT	Red Flag Warning	STO		3 days
Sep 20, 2:47 AM PDT	Small Craft Advisory	MTR		11 hr
Sep 20, 2:54 AM PDT	Small Craft Advisory for Winds	LOX		24 hr
Sep 20, 5:38 AM PDT	Red Flag Warning	MFR	Siskiyou	55 hr
Sep 20, 9:05 AM PDT	Small Craft Advisory	LOX		12 hr
Sep 20, 9:28 AM PDT	Small Craft Advisory for Winds	EKA		19 hr
Sep 20, 1:31 PM PDT	Heat Advisory	MTR	Alameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more	44 hr
Sep 20, 1:39 PM PDT	Fire Weather Watch	SGX	Orange, Riverside, San Bernardino, San Diego	24 hr
Sep 20, 2:49 PM PDT	Red Flag Warning	LOX	Los Angeles	7 days
Sep 20, 3:12 PM PDT	Small Craft Advisory for Hazardous Seas	EKA		13 hr
Sep 20, 4:58 PM PDT	Small Craft Advisory	MTR		4 hr
Sep 20, 9:05 PM PDT	Small Craft Advisory	MTR		16 hr
Sep 21, 2:49 AM PDT	Red Flag Warning	VEF	San Bernardino	33 hr
Sep 21, 9:15 AM PDT	Small Craft Advisory for Winds	LOX		18 hr
Sep 21, 9:47 AM PDT	Red Flag Warning	EKA		29 hr
Sep 21, 9:49 AM PDT	Red Flag Warning	HNX		6 days
Sep 21, 11:07 AM PDT	Lake Wind Advisory	VEF	San Bernardino	24 hr
Sep 21, 1:36 PM PDT	Red Flag Warning	SGX	Orange, Riverside, San Bernardino, San Diego	3 days
Sep 21, 3:51 PM PDT	Small Craft Advisory	MTR		5 hr
Sep 21, 10:03 PM PDT	Small Craft Advisory	MTR		29 hr
Sep 22, 3:09 AM PDT	Small Craft Advisory	LOX		30 hr
Sep 23, 2:59 AM PDT	Gale Watch	EKA		12 hr
Sep 23, 2:59 AM PDT	Small Craft Advisory	EKA		24 hr
Sep 23, 3:29 AM PDT	Small Craft Advisory	MTR		48 hr
Sep 23, 3:29 AM PDT	Small Craft Advisory	MTR		48 hr
Sep 23, 4:20 AM PDT	Dense Fog Advisory	SGX	San Diego	5 hr
Sep 23, 2:27 PM PDT	Small Craft Advisory	LOX		54 hr
Sep 23, 3:03 PM PDT	Gale Warning	EKA		4 days
Sep 23, 3:03 PM PDT	Hazardous Seas Warning	EKA		4 days
Sep 23, 3:03 PM PDT	Small Craft Advisory for Hazardous Seas	EKA		4 days
Sep 24, 12:37 AM PDT	Dense Fog Advisory	LOX		7 hr
Sep 24, 7:47 PM PDT	Dense Fog Advisory	SGX	San Diego	13 hr
Sep 25, 3:22 AM PDT	Small Craft Advisory	MTR		21 hr
Sep 25, 3:45 AM PDT	Dense Fog Advisory	LOX		5 hr
Sep 25, 8:57 AM PDT	Small Craft Advisory for Winds	EKA		50 hr
Sep 26, 3:11 AM PDT	Small Craft Advisory	MTR		23 hr
Sep 26, 3:49 AM PDT	Dense Fog Advisory	LOX		2 hr
Sep 26, 1:21 PM PDT	Fire Weather Watch	MFR	Modoc, Siskiyou	25 hr
Sep 26, 2:43 PM PDT	Fire Weather Watch	REV	Lassen, Modoc, Plumas, Sierra	24 hr
Sep 26, 11:59 PM PDT	Dense Fog Advisory	LOX		9 hr
Sep 27, 6:57 AM PDT	Fire Weather Watch	REV		29 hr
Sep 27, 7:34 AM PDT	Dense Fog Advisory	SGX	San Diego	86 min
Sep 27, 10:57 AM PDT	Small Craft Advisory for Winds	EKA		10 hr
Sep 27, 2:05 PM PDT	Fire Weather Watch	VEF	Inyo, San Bernardino, Tulare	26 hr
Sep 27, 2:05 PM PDT	High Wind Watch	VEF	Inyo	38 hr
Sep 27, 2:29 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Nevada, Placer	54 hr
Sep 27, 2:34 PM PDT	Red Flag Warning	MFR	Modoc, Siskiyou	28 hr
Sep 27, 2:34 PM PDT	Red Flag Warning	REV	Lassen, Modoc, Plumas, Sierra	53 hr
Sep 27, 3:16 PM PDT	Fire Weather Watch	STO		47 hr
Sep 27, 3:16 PM PDT	Red Flag Warning	STO		31 hr
Sep 27, 8:53 PM PDT	Small Craft Advisory	MTR		3 days
Sep 28, 3:21 AM PDT	Gale Watch	LOX		24 hr
Sep 28, 11:47 AM PDT	Red Flag Warning	REV	El Dorado, Nevada, Placer, Sierra	32 hr
Sep 28, 2:05 PM PDT	Wind Advisory	HNX		32 hr
Sep 28, 2:27 PM PDT	Small Craft Advisory	EKA		6 days
Sep 28, 2:27 PM PDT	Small Craft Advisory for Hazardous Seas	EKA		35 hr
Sep 28, 2:34 PM PDT	Small Craft Advisory	MTR		4 days
Sep 28, 3:03 PM PDT	Freeze Watch	MFR	Modoc, Siskiyou	11 hr
Sep 28, 3:09 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	37 hr
Sep 28, 3:16 PM PDT	Red Flag Warning	VEF	Inyo, San Bernardino, Tulare	31 hr
Sep 28, 3:29 PM PDT	Wind Advisory	REV	Mono	29 hr
Sep 29, 2:31 AM PDT	Frost Advisory	MFR	Siskiyou	30 hr
Sep 29, 2:31 AM PDT	Freeze Watch	MFR	Modoc, Siskiyou	31 hr
Sep 29, 2:31 AM PDT	Freeze Warning	MFR	Modoc, Siskiyou	30 hr
Sep 29, 3:17 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	24 hr
Sep 29, 3:22 AM PDT	Gale Warning	LOX		48 hr
Sep 29, 3:22 AM PDT	Small Craft Advisory	LOX		23 hr
Sep 29, 3:36 AM PDT	Frost Advisory	EKA		29 hr
Sep 29, 3:50 AM PDT	High Wind Warning	VEF	Inyo	24 hr
Sep 29, 9:06 AM PDT	Wind Advisory	LOX	Los Angeles	51 hr
Sep 29, 11:43 AM PDT	High Wind Warning	REV	Mono	8 hr
Sep 29, 1:42 PM PDT	Fire Weather Watch	SGX	Orange, Riverside, San Bernardino, San Diego	24 hr
Sep 29, 2:16 PM PDT	Red Flag Warning	STO		52 hr
Sep 29, 2:18 PM PDT	Fire Weather Watch	MTR		22 hr
Sep 29, 2:20 PM PDT	Wind Advisory	LOX		46 hr
Sep 29, 3:00 PM PDT	Fire Weather Watch	LOX	Los Angeles	24 hr
Sep 30, 2:18 AM PDT	Frost Advisory	MFR	Siskiyou	31 hr
Sep 30, 2:39 AM PDT	Small Craft Advisory	LOX		18 hr
Sep 30, 3:09 AM PDT	Small Craft Advisory	MTR		11 hr
Sep 30, 9:50 AM PDT	Freeze Warning	MFR	Modoc, Siskiyou	23 hr
Sep 30, 10:03 AM PDT	Red Flag Warning	LOX	Los Angeles	56 hr
Sep 30, 12:19 PM PDT	Red Flag Warning	MTR		30 hr
Sep 30, 1:29 PM PDT	Red Flag Warning	SGX	Orange, Riverside, San Bernardino, San Diego	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
Severe Thunderstorm Warning	13
Special Weather Statement	5
Flooding
Flash Flood Warning	7
Areal Flood Advisory	9
Heat
Excessive Heat Watch	1
Heat Advisory	1
Cold
Freeze Warning	2
Freeze Watch	2
Frost Advisory	5
Wind and dust
Dust Storm Warning	1
High Wind Warning	2
High Wind Watch	1
Lake Wind Advisory	6
Wind Advisory	6
Fire
Red Flag Warning	24
Fire Weather Watch	18
Fog and smoke
Dense Fog Advisory	7
Marine
Gale Warning	7
Hazardous Seas Warning	2
Gale Watch	3
Small Craft Advisory	45
Small Craft Advisory for Hazardous Seas	6
Small Craft Advisory for Rough Bar	1
Small Craft Advisory for Winds	8

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 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. Rebuilt daily.