Weather alerts in California, May 2018

173 weather alerts in May 2018, 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 2018. Tap one for its archive.

Alerts: 173
Warnings: 26
Watches: 15
Advisories: 96
Busiest day: May 2, 201812 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, 8:57 PM PDT	Small Craft Advisory	MTR		24 hr
May 1, 1:34 PM PDT	Winter Weather Advisory	SGX	Riverside, San Bernardino	21 hr
May 1, 2:21 PM PDT	Areal Flood Advisory	HNX	Kern	3 hr
May 1, 2:41 PM PDT	Areal Flood Advisory	HNX	Mariposa	3 hr
May 1, 2:53 PM PDT	Special Weather Statement	HNX	Mariposa	67 min
May 1, 2:57 PM PDT	Hazardous Seas Warning	EKA		18 hr
May 1, 3:42 PM PDT	Special Weather Statement	HNX	Mariposa	48 min
May 1, 4:04 PM PDT	Flash Flood Warning	HNX	Mariposa	68 min
May 1, 4:19 PM PDT	Areal Flood Advisory	LOX	San Luis Obispo, Santa Barbara	113 min
May 1, 6:39 PM PDT	Severe Thunderstorm Warning	STO	Tuolumne	36 min
May 1, 6:55 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr
May 1, 6:58 PM PDT	Special Weather Statement	HNX	Mariposa	47 min
May 1, 7:12 PM PDT	Special Weather Statement	HNX	Mariposa	48 min
May 1, 7:22 PM PDT	Severe Thunderstorm Warning	STO	El Dorado	23 min
May 1, 8:35 PM PDT	Special Weather Statement	STO	El Dorado	25 min
May 1, 8:41 PM PDT	Small Craft Advisory for Hazardous Seas	LOX		6 hr
May 1, 8:44 PM PDT	Special Weather Statement	STO	El Dorado	31 min
May 1, 8:59 PM PDT	Areal Flood Advisory	VEF	Inyo	7 hr
May 1, 9:03 PM PDT	Special Weather Statement	STO	Tuolumne	27 min
May 2, 9:13 AM PDT	Small Craft Advisory	EKA		11 hr
May 2, 4:13 PM PDT	Special Weather Statement	HNX		47 min
May 2, 8:39 PM PDT	Small Craft Advisory	EKA		6 hr
May 3, 2:19 AM PDT	Small Craft Advisory	MTR		25 hr
May 3, 3:02 AM PDT	Excessive Heat Watch	PSR	Imperial, Riverside	33 hr
May 4, 3:10 AM PDT	Small Craft Advisory	MTR		9 days
May 4, 12:29 PM PDT	Excessive Heat Warning	PSR	Imperial, Riverside	56 hr
May 4, 2:06 PM PDT	Small Craft Advisory	LOX		13 hr
May 4, 2:54 PM PDT	Small Craft Advisory	MTR		30 hr
May 4, 3:10 PM PDT	Excessive Heat Watch	VEF	San Bernardino	10 hr
May 4, 9:09 PM PDT	Small Craft Advisory	MTR		111 min
May 5, 1:34 AM PDT	Excessive Heat Warning	VEF	San Bernardino	42 hr
May 5, 9:23 AM PDT	Small Craft Advisory	LOX		4 days
May 5, 2:12 PM PDT	Small Craft Advisory	MTR		36 hr
May 5, 11:02 PM PDT	Wind Advisory	LOX		12 hr
May 6, 2:14 AM PDT	Small Craft Advisory	MTR		49 hr
May 6, 10:58 PM PDT	Wind Advisory	LOX		5 hr
May 7, 1:26 AM PDT	Excessive Heat Watch	VEF	San Bernardino	25 hr
May 7, 2:04 AM PDT	Excessive Heat Watch	PSR	Imperial, Riverside	24 hr
May 7, 3:05 AM PDT	Small Craft Advisory	LOX		54 hr
May 8, 2:15 AM PDT	Gale Watch	LOX		12 hr
May 8, 2:30 AM PDT	Excessive Heat Warning	PSR	Imperial, Riverside	41 hr
May 8, 2:30 AM PDT	Excessive Heat Warning	VEF	San Bernardino	42 hr
May 8, 3:15 AM PDT	Gale Warning	MTR		48 hr
May 8, 3:15 AM PDT	Small Craft Advisory	MTR		5 days
May 8, 5:01 AM PDT	Dense Fog Advisory	LOX		4 hr
May 8, 10:07 AM PDT	Wind Advisory	LOX		23 hr
May 8, 2:10 PM PDT	Gale Watch	EKA		37 hr
May 8, 2:10 PM PDT	Gale Warning	LOX		66 hr
May 8, 2:47 PM PDT	Small Craft Advisory	MTR		36 hr
May 8, 5:19 PM PDT	Special Weather Statement	MFR	Siskiyou	41 min
May 9, 2:49 AM PDT	High Wind Watch	MTR	San Mateo, Santa Clara, Santa Cruz	26 hr
May 9, 3:05 AM PDT	Small Craft Advisory	LOX		24 hr
May 9, 3:06 AM PDT	Gale Warning	EKA		4 days
May 9, 3:06 AM PDT	Small Craft Advisory	EKA		41 hr
May 9, 3:49 AM PDT	Fire Weather Watch	PSR	Imperial, Riverside	24 hr
May 9, 10:42 AM PDT	Wind Advisory	LOX		40 hr
May 9, 2:39 PM PDT	Red Flag Warning	VEF	Inyo, Tulare	56 hr
May 9, 2:46 PM PDT	Gale Warning	MTR		60 hr
May 9, 2:46 PM PDT	Small Craft Advisory	MTR		13 hr
May 9, 2:58 PM PDT	Red Flag Warning	REV		52 hr
May 10, 2:34 AM PDT	Wind Advisory	HNX		43 hr
May 10, 3:01 AM PDT	Small Craft Advisory	LOX		24 hr
May 10, 3:20 AM PDT	Red Flag Warning	PSR	Imperial, Riverside	41 hr
May 10, 3:49 AM PDT	Small Craft Advisory for Rough Bar	MTR		23 hr
May 10, 3:49 AM PDT	Small Craft Advisory	MTR		41 hr
May 10, 4:02 AM PDT	Wind Advisory	PSR	Imperial, Riverside, San Bernardino	52 hr
May 10, 4:14 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	46 hr
May 10, 4:41 AM PDT	Wind Advisory	MTR		46 hr
May 10, 6:33 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	46 hr
May 10, 7:45 AM PDT	Wind Advisory	STO		34 hr
May 10, 7:36 PM PDT	Wind Advisory	LOX		26 hr
May 11, 3:15 AM PDT	Wind Advisory	LOX		3 hr
May 11, 3:19 AM PDT	Wind Advisory	EKA	Del Norte	18 hr
May 11, 3:39 AM PDT	Lake Wind Advisory	VEF	San Bernardino	19 hr
May 11, 8:07 AM PDT	Small Craft Advisory	LOX		12 hr
May 11, 2:19 PM PDT	Small Craft Advisory	MTR		12 hr
May 11, 8:16 PM PDT	Small Craft Advisory for Hazardous Seas	LOX		7 hr
May 12, 2:07 AM PDT	Small Craft Advisory	MTR		22 hr
May 12, 2:46 AM PDT	Small Craft Advisory	EKA		30 hr
May 12, 2:46 AM PDT	Hazardous Seas Warning	EKA		18 hr
May 12, 2:25 PM PDT	Small Craft Advisory	MTR		32 hr
May 12, 8:42 PM PDT	Hazardous Seas Warning	EKA		6 hr
May 13, 8:27 AM PDT	Small Craft Advisory	MTR		37 hr
May 15, 11:32 AM PDT	Special Weather Statement	STO		58 min
May 15, 1:29 PM PDT	Special Weather Statement	STO	Plumas	61 min
May 15, 1:51 PM PDT	Special Weather Statement	EKA	Trinity	39 min
May 15, 2:14 PM PDT	Special Weather Statement	MFR	Del Norte	46 min
May 15, 2:28 PM PDT	Special Weather Statement	EKA	Trinity	32 min
May 15, 2:59 PM PDT	Special Weather Statement	EKA	Trinity	16 min
May 15, 3:47 PM PDT	Special Weather Statement	EKA	Trinity	58 min
May 15, 4:15 PM PDT	Special Weather Statement	EKA	Trinity	45 min
May 15, 5:19 PM PDT	Special Weather Statement	MFR	Siskiyou	26 min
May 16, 2:27 AM PDT	Small Craft Advisory	MTR		6 days
May 16, 3:36 AM PDT	Small Craft Advisory	LOX		6 days
May 16, 7:00 AM PDT	Special Weather Statement	STO	Calaveras, Sacramento, San Joaquin, Solano, Yolo	30 min
May 16, 7:34 AM PDT	Special Weather Statement	STO	Amador, Sacramento	56 min
May 16, 9:03 AM PDT	Special Weather Statement	STO	Yuba	57 min
May 16, 10:06 AM PDT	Special Weather Statement	REV	Alpine	24 min
May 16, 10:45 AM PDT	Special Weather Statement	STO	Sacramento	45 min
May 16, 11:03 AM PDT	Small Craft Advisory	SGX		15 hr
May 16, 12:07 PM PDT	Areal Flood Advisory	REV	Alpine, Mono	7 hr
May 16, 1:31 PM PDT	Wind Advisory	LOX		16 hr
May 16, 2:44 PM PDT	Special Weather Statement	REV	Lassen	2 hr
May 17, 2:47 PM PDT	Small Craft Advisory	EKA		12 hr
May 17, 2:59 PM PDT	Small Craft Advisory	MTR		30 hr
May 18, 2:08 AM PDT	Small Craft Advisory	LOX		4 days
May 18, 2:25 AM PDT	Small Craft Advisory	EKA		5 days
May 18, 2:48 AM PDT	Small Craft Advisory	MTR		42 hr
May 19, 1:07 PM PDT	Wind Advisory	LOX		14 hr
May 19, 3:11 PM PDT	Special Weather Statement	HNX	Mariposa	49 min
May 19, 5:02 PM PDT	Special Weather Statement	STO	Trinity	58 min
May 19, 8:19 PM PDT	Gale Warning	LOX		7 hr
May 20, 2:23 PM PDT	Small Craft Advisory	EKA		48 hr
May 20, 2:41 PM PDT	Small Craft Advisory	MTR		36 hr
May 20, 7:32 PM PDT	Wind Advisory	LOX		7 hr
May 20, 9:36 PM PDT	Small Craft Advisory	MTR		23 hr
May 21, 1:45 PM PDT	Beach Hazards Statement	LOX	Los Angeles	4 days
May 21, 1:58 PM PDT	Beach Hazards Statement	SGX	Orange, San Diego	4 days
May 21, 6:46 PM PDT	Areal Flood Warning	REV	Mono	3 hr
May 21, 9:26 PM PDT	Small Craft Advisory	MTR		24 hr
May 21, 9:36 PM PDT	Wind Advisory	PSR	Imperial	7 hr
May 22, 1:03 PM PDT	Special Weather Statement	STO	Butte	27 min
May 22, 1:59 PM PDT	Special Weather Statement	STO	Butte	31 min
May 22, 5:43 PM PDT	Special Weather Statement	STO	Shasta	32 min
May 22, 6:17 PM PDT	Special Weather Statement	STO	Shasta	28 min
May 22, 7:06 PM PDT	Special Weather Statement	STO	Shasta	24 min
May 23, 2:33 AM PDT	Small Craft Advisory	MTR		12 hr
May 23, 10:49 AM PDT	Flash Flood Watch	REV	Mono	5 hr
May 23, 1:42 PM PDT	Special Weather Statement	MFR	Siskiyou	48 min
May 23, 5:12 PM PDT	Small Craft Advisory	MTR		10 hr
May 23, 5:12 PM PDT	Small Craft Advisory	MTR		28 hr
May 24, 4:15 AM PDT	Wind Advisory	VEF	San Bernardino	40 hr
May 24, 10:50 AM PDT	Winter Weather Advisory	STO		28 hr
May 24, 11:37 AM PDT	Winter Weather Advisory	REV	Alpine, El Dorado, Mono, Nevada, Placer	27 hr
May 24, 11:56 AM PDT	Winter Weather Advisory	HNX		27 hr
May 24, 1:07 PM PDT	Flood Watch	REV	Mono	4 hr
May 24, 2:07 PM PDT	Severe Thunderstorm Warning	REV	Alpine	38 min
May 24, 2:25 PM PDT	Small Craft Advisory	MTR		64 hr
May 24, 2:34 PM PDT	Small Craft Advisory	EKA		5 days
May 24, 4:03 PM PDT	Special Weather Statement	STO	Sierra	42 min
May 24, 4:31 PM PDT	Flash Flood Warning	REV	Mono	119 min
May 24, 7:26 PM PDT	Special Weather Statement	STO	Shasta	49 min
May 24, 8:36 PM PDT	Small Craft Advisory	LOX		3 days
May 25, 2:52 AM PDT	Flood Watch	REV	Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more	12 hr
May 25, 2:57 AM PDT	Small Craft Advisory	EKA		5 days
May 25, 2:57 AM PDT	Small Craft Advisory	MTR		48 hr
May 25, 5:36 AM PDT	Areal Flood Advisory	REV	Alpine, Mono	3 hr
May 25, 9:31 AM PDT	Areal Flood Advisory	MFR	Modoc, Siskiyou	10 hr
May 25, 9:10 PM PDT	Small Craft Advisory	MTR		20 days
May 26, 2:17 AM PDT	Gale Watch	EKA		19 hr
May 26, 3:53 AM PDT	Wind Advisory	LOX		23 hr
May 26, 1:28 PM PDT	Blowing Dust Advisory	PSR	Imperial, Riverside	6 hr
May 26, 9:11 PM PDT	Gale Warning	EKA		4 days
May 27, 3:06 AM PDT	Wind Advisory	LOX		6 hr
May 27, 2:45 PM PDT	Small Craft Advisory	MTR		6 days
May 28, 2:58 AM PDT	Gale Warning	MTR		66 hr
May 28, 2:58 AM PDT	Small Craft Advisory	MTR		5 days
May 29, 2:35 AM PDT	Fire Weather Watch	VEF	San Bernardino	12 hr
May 29, 9:09 AM PDT	Small Craft Advisory	LOX		4 days
May 29, 12:26 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	33 hr
May 29, 2:07 PM PDT	Red Flag Warning	VEF	San Bernardino	53 hr
May 29, 3:00 PM PDT	Small Craft Advisory	MTR		35 hr
May 29, 8:41 PM PDT	Small Craft Advisory	MTR		10 days
May 29, 9:31 PM PDT	Hazardous Seas Warning	EKA		17 hr
May 30, 2:22 AM PDT	Wind Advisory	HNX		21 hr
May 30, 4:22 AM PDT	Wind Advisory	LOX		18 hr
May 30, 1:57 PM PDT	Wind Advisory	VEF	Inyo, San Bernardino	33 hr
May 30, 2:11 PM PDT	Small Craft Advisory	EKA		31 hr
May 30, 2:24 PM PDT	Small Craft Advisory	MTR		31 hr
May 31, 2:12 AM PDT	Wind Advisory	HNX		20 hr
May 31, 1:28 PM PDT	Excessive Heat Watch	SGX	Riverside, San Diego	24 hr
May 31, 1:31 PM PDT	Freeze Warning	MFR	Modoc, Siskiyou	18 hr
May 31, 1:55 PM PDT	Excessive Heat Watch	PSR	Imperial, Riverside, San Bernardino	23 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	3
Special Weather Statement	34
Flooding
Areal Flood Warning	1
Flash Flood Warning	2
Flash Flood Watch	1
Flood Watch	2
Areal Flood Advisory	8
Winter
Winter Weather Advisory	4
Heat
Excessive Heat Warning	4
Excessive Heat Watch	6
Cold
Freeze Warning	1
Wind and dust
High Wind Watch	1
Blowing Dust Advisory	1
Lake Wind Advisory	2
Wind Advisory	24
Fire
Red Flag Warning	4
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	1
Coast and beach
Beach Hazards Statement	2
Marine
Gale Warning	7
Hazardous Seas Warning	4
Gale Watch	3
Small Craft Advisory	53
Small Craft Advisory for Hazardous Seas	2
Small Craft Advisory for Rough Bar	1

Nearby

Alerts in force now Tornadoes on record The radar archive 2017 2019

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.