Alert archive / California / 2021

Weather alerts in California, December 2021

456 weather alerts in December 2021, 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 December 2021. Tap one for its archive.

Alerts
456
Warnings
98
Watches
75
Advisories
269
Busiest day
December 14, 202146 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.

IssuedProductOfficeCountiesLasted
Nov 30, 5:20 PM PSTDense Fog AdvisoryLOX17 hr
Dec 1, 2:05 AM PSTDense Fog AdvisorySTO8 hr
Dec 1, 2:34 AM PSTWind AdvisoryLOX6 hr
Dec 1, 5:15 AM PSTDense Fog AdvisorySGXOrange, San Diego4 hr
Dec 1, 1:37 PM PSTDense Fog AdvisorySGXOrange, San Diego20 hr
Dec 1, 1:54 PM PSTDense Fog AdvisoryLOXLos Angeles20 hr
Dec 2, 2:05 AM PSTDense Fog AdvisorySTO8 hr
Dec 2, 12:37 PM PSTCoastal Flood AdvisoryMTRAlameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 2 more3 days
Dec 2, 1:55 PM PSTBeach Hazards StatementLOX68 hr
Dec 2, 2:47 PM PSTFrost AdvisoryEKAMendocino18 hr
Dec 2, 9:17 PM PSTSmall Craft AdvisoryEKA7 hr
Dec 2, 11:27 PM PSTDense Fog AdvisorySTO11 hr
Dec 3, 2:20 AM PSTDense Fog AdvisoryHNXFresno, Madera, Merced, Tulare9 hr
Dec 3, 2:37 AM PSTSmall Craft AdvisoryLOX4 days
Dec 3, 4:03 AM PSTCoastal Flood AdvisoryEKAHumboldt7 hr
Dec 3, 12:47 PM PSTSmall Craft AdvisoryMTR4 days
Dec 3, 2:30 PM PSTCoastal Flood AdvisoryEKAHumboldt22 hr
Dec 3, 5:34 PM PSTDense Fog AdvisorySGXOrange, Riverside, San Bernardino, San Diego15 hr
Dec 3, 7:04 PM PSTDense Fog AdvisorySTO17 hr
Dec 3, 8:53 PM PSTSmall Craft AdvisoryEKA6 hr
Dec 3, 10:39 PM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more12 hr
Dec 4, 2:53 AM PSTSmall Craft AdvisoryEKA60 hr
Dec 4, 2:08 PM PSTFrost AdvisoryEKAHumboldt, Mendocino19 hr
Dec 4, 2:11 PM PSTCoastal Flood AdvisoryEKAHumboldt23 hr
Dec 4, 6:23 PM PSTWind AdvisoryLOX15 hr
Dec 4, 6:31 PM PSTDense Fog AdvisorySGXRiverside, San Bernardino, San Diego14 hr
Dec 4, 11:10 PM PSTDense Fog AdvisorySTO11 hr
Dec 5, 1:12 AM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Tulare8 hr
Dec 5, 2:59 AM PSTDense Fog AdvisoryLOXLos Angeles6 hr
Dec 5, 7:06 AM PSTDense Fog AdvisoryMTRMarin, Monterey, Napa, San Benito, Sonoma3 hr
Dec 5, 2:19 PM PSTWind AdvisoryLOX13 hr
Dec 6, 12:18 AM PSTDense Fog AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 1 more10 hr
Dec 6, 2:08 PM PSTWinter Storm WatchSTO23 hr
Dec 6, 3:12 PM PSTWinter Storm WatchREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more23 hr
Dec 7, 4:03 AM PSTSmall Craft AdvisoryMTR11 hr
Dec 7, 12:33 PM PSTWinter Weather AdvisoryHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne50 hr
Dec 7, 1:16 PM PSTWinter Weather AdvisorySTO46 hr
Dec 7, 2:16 PM PSTWinter Weather AdvisoryREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more45 hr
Dec 7, 2:30 PM PSTSmall Craft AdvisoryEKA4 days
Dec 7, 2:39 PM PSTGale WatchLOX24 hr
Dec 7, 2:50 PM PSTSmall Craft AdvisoryMTR3 days
Dec 7, 10:12 PM PSTDense Fog AdvisoryMFRSiskiyou10 hr
Dec 8, 2:39 AM PSTFreeze WatchEKADel Norte, Humboldt, Mendocino25 hr
Dec 8, 2:42 AM PSTSmall Craft AdvisoryLOX54 hr
Dec 8, 2:45 AM PSTWind AdvisoryVEFSan Bernardino37 hr
Dec 8, 2:51 AM PSTWind AdvisoryLOX48 hr
Dec 8, 4:42 AM PSTDense Fog AdvisoryLOX4 hr
Dec 8, 4:46 AM PSTGale WatchMTR9 hr
Dec 8, 5:10 AM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more5 hr
Dec 8, 10:24 AM PSTFreeze WatchHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more40 hr
Dec 8, 10:24 AM PSTHard Freeze WatchHNXKern40 hr
Dec 8, 11:50 AM PSTSmall Craft AdvisorySGX39 hr
Dec 8, 1:30 PM PSTGale WarningMTR38 hr
Dec 8, 2:10 PM PSTGale WarningLOX37 hr
Dec 9, 12:06 AM PSTFreeze WatchVEFSan Bernardino25 hr
Dec 9, 1:54 AM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego14 hr
Dec 9, 2:45 AM PSTFrost AdvisorySTO31 hr
Dec 9, 3:23 AM PSTFreeze WarningEKAHumboldt, Mendocino30 hr
Dec 9, 11:57 AM PSTHard Freeze WatchHNXKern45 hr
Dec 9, 12:34 PM PSTWind AdvisoryHNXKern11 hr
Dec 9, 12:48 PM PSTFreeze WatchLOXSanta Barbara14 hr
Dec 9, 12:48 PM PSTHard Freeze WatchLOX14 hr
Dec 9, 12:54 PM PSTFrost AdvisoryEKADel Norte, Humboldt20 hr
Dec 9, 12:54 PM PSTFreeze WatchPSRImperial, Riverside, San Bernardino12 hr
Dec 9, 1:38 PM PSTWinter Storm WatchSTO25 hr
Dec 9, 1:41 PM PSTWinter Storm WatchREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more37 hr
Dec 9, 2:13 PM PSTWinter Storm WatchEKAHumboldt, Trinity63 hr
Dec 9, 2:17 PM PSTHigh Wind WatchMFRModoc14 hr
Dec 9, 2:32 PM PSTGale WatchEKA13 hr
Dec 9, 3:10 PM PSTWinter Storm WatchMFRSiskiyou38 hr
Dec 9, 5:31 PM PSTWind AdvisoryEKADel Norte, Humboldt52 hr
Dec 10, 1:05 AM PSTFreeze WarningVEFSan Bernardino31 hr
Dec 10, 1:13 AM PSTFreeze WarningPSRImperial, Riverside, San Bernardino31 hr
Dec 10, 2:00 AM PSTFreeze WarningHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more31 hr
Dec 10, 2:00 AM PSTHard Freeze WarningHNXKern31 hr
Dec 10, 2:56 AM PSTSmall Craft AdvisoryLOX18 hr
Dec 10, 3:03 AM PSTGale WarningEKA46 hr
Dec 10, 3:03 AM PSTSmall Craft AdvisoryEKA36 hr
Dec 10, 3:08 AM PSTFrost AdvisoryLOXLos Angeles29 hr
Dec 10, 3:08 AM PSTFreeze WarningLOXSanta Barbara29 hr
Dec 10, 3:08 AM PSTHard Freeze WarningLOX29 hr
Dec 10, 3:35 AM PSTWinter Storm WatchHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne34 hr
Dec 10, 3:56 AM PSTHigh Wind WarningMFRModoc54 hr
Dec 10, 4:09 AM PSTFreeze WatchMTRMonterey10 hr
Dec 10, 8:42 AM PSTSmall Craft AdvisoryMTR60 hr
Dec 10, 1:32 PM PSTWinter Storm WatchVEFInyo36 hr
Dec 10, 1:42 PM PSTFreeze WarningMTRMarin, Monterey, Napa, San Benito, Sonoma18 hr
Dec 10, 1:54 PM PSTWinter Storm WarningEKATrinity39 hr
Dec 10, 2:11 PM PSTWinter Storm WarningREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more4 days
Dec 10, 2:33 PM PSTWinter Storm WarningSTO4 days
Dec 10, 2:55 PM PSTWind AdvisoryMFRModoc, Siskiyou43 hr
Dec 10, 2:55 PM PSTSmall Craft AdvisoryMTR54 hr
Dec 10, 2:59 PM PSTFreeze WarningEKAHumboldt, Lake, Mendocino18 hr
Dec 10, 3:00 PM PSTGale WatchEKA4 hr
Dec 10, 3:52 PM PSTWinter Storm WarningMFRModoc, Siskiyou4 days
Dec 10, 3:52 PM PSTWinter Weather AdvisoryMFRModoc, Siskiyou4 days
Dec 11, 2:54 AM PSTWinter Storm WatchREVModoc36 hr
Dec 11, 8:48 AM PSTHard Freeze WarningHNXKern24 hr
Dec 11, 12:22 PM PSTHard Freeze WarningLOX20 hr
Dec 11, 12:58 PM PSTWind AdvisoryMTRAlameda, Contra Costa, Monterey, San Benito, City and County of San Francisco, San Mateo and 2 more51 hr
Dec 11, 1:12 PM PSTHigh Surf AdvisoryMTRMarin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma4 days
Dec 11, 1:18 PM PSTWinter Storm WarningVEFInyo3 days
Dec 11, 1:19 PM PSTWinter Storm WarningHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne3 days
Dec 11, 1:23 PM PSTFreeze WarningPSRImperial, Riverside19 hr
Dec 11, 1:29 PM PSTGale WarningMTR59 hr
Dec 11, 1:29 PM PSTSmall Craft AdvisoryMTR5 days
Dec 11, 3:16 PM PSTWind AdvisorySTO55 hr
Dec 11, 5:35 PM PSTFreeze WarningMTRMonterey, San Benito14 hr
Dec 11, 10:05 PM PSTGale WarningEKA55 min
Dec 11, 10:53 PM PSTWind AdvisoryEKAHumboldt2 hr
Dec 12, 12:51 AM PSTHazardous Seas WarningEKA8 hr
Dec 12, 1:54 AM PSTGale WatchSGX15 hr
Dec 12, 2:24 AM PSTWind AdvisoryHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more70 hr
Dec 12, 2:37 AM PSTHigh Wind WatchLOXSanta Barbara25 hr
Dec 12, 3:00 AM PSTHigh Wind WatchSGXSan Bernardino, San Diego25 hr
Dec 12, 3:13 AM PSTWinter Storm WatchSGXRiverside, San Bernardino25 hr
Dec 12, 3:19 AM PSTWinter Storm WatchLOX22 hr
Dec 12, 3:31 AM PSTGale WatchLOX6 hr
Dec 12, 3:31 AM PSTSmall Craft AdvisoryLOX23 hr
Dec 12, 5:17 AM PSTWinter Storm WarningEKADel Norte, Humboldt, Trinity41 hr
Dec 12, 8:41 AM PSTFlash Flood WatchMTRMonterey, San Benito, San Mateo, Santa Clara, Santa Cruz40 hr
Dec 12, 9:09 AM PSTSmall Craft AdvisoryEKA70 hr
Dec 12, 9:15 AM PSTGale WarningLOX60 hr
Dec 12, 9:15 AM PSTSmall Craft AdvisoryLOX40 hr
Dec 12, 11:55 AM PSTHigh Wind WarningMTRMonterey, San Benito34 hr
Dec 12, 12:02 PM PSTFlash Flood WatchLOXLos Angeles54 hr
Dec 12, 12:30 PM PSTHigh Wind WatchHNXKern14 hr
Dec 12, 12:40 PM PSTWinter Storm WatchHNXKern26 hr
Dec 12, 1:15 PM PSTHigh Wind WatchPSRImperial24 hr
Dec 12, 1:15 PM PSTWind AdvisoryPSRImperial, Riverside, San Bernardino64 hr
Dec 12, 2:02 PM PSTWind AdvisoryVEFInyo, San Bernardino62 hr
Dec 12, 3:20 PM PSTWinter Weather AdvisoryREVModoc43 hr
Dec 12, 3:49 PM PSTGale WarningEKA10 hr
Dec 12, 3:49 PM PSTSmall Craft AdvisoryEKA5 hr
Dec 12, 5:03 PM PSTGale WarningSGX59 hr
Dec 12, 5:27 PM PSTWinter Weather AdvisoryEKALake, Mendocino35 hr
Dec 12, 8:55 PM PSTWind AdvisoryLOXLos Angeles, Santa Barbara54 hr
Dec 13, 1:12 AM PSTWinter Storm WarningLOX43 hr
Dec 13, 1:44 AM PSTHazardous Seas WarningEKA16 hr
Dec 13, 2:08 AM PSTHigh Wind WarningHNXKern26 hr
Dec 13, 3:13 AM PSTHigh Wind WarningLOXSanta Barbara31 hr
Dec 13, 3:50 AM PSTHigh Wind WarningSGXRiverside, San Bernardino, San Diego44 hr
Dec 13, 3:50 AM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego44 hr
Dec 13, 3:53 AM PSTWinter Storm WarningSGXRiverside, San Bernardino44 hr
Dec 13, 4:29 AM PSTAreal Flood AdvisoryMTRSan Mateo, Santa Clara, Santa Cruz18 hr
Dec 13, 5:31 AM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, San Mateo, Santa Clara7 hr
Dec 13, 5:43 AM PSTBeach Hazards StatementEKADel Norte, Humboldt, Mendocino28 hr
Dec 13, 8:54 AM PSTSpecial Weather StatementEKAHumboldt36 min
Dec 13, 9:14 AM PSTAreal Flood AdvisoryMTRCity and County of San Francisco, San Mateo, Santa Clara, Santa Cruz3 hr
Dec 13, 10:42 AM PSTFlood WatchSGXOrange, Riverside, San Bernardino, San Diego34 hr
Dec 13, 10:45 AM PSTFlash Flood Warning Considerable damage threatMTRSan Mateo, Santa Cruz60 min
Dec 13, 12:00 PM PSTFlood WatchMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more13 hr
Dec 13, 12:42 PM PSTHigh Surf AdvisoryLOXLos Angeles49 hr
Dec 13, 1:07 PM PSTHigh Surf AdvisorySGXOrange, San Diego49 hr
Dec 13, 1:15 PM PSTHigh Wind WarningPSRImperial, San Bernardino40 hr
Dec 13, 1:26 PM PSTAreal Flood AdvisoryMTRSan Mateo11 hr
Dec 13, 1:45 PM PSTFlash Flood Warning Considerable damage threatMTRMonterey6 hr
Dec 13, 2:21 PM PSTGale WarningEKA49 hr
Dec 13, 2:25 PM PSTWinter Storm WatchEKADel Norte, Humboldt, Lake, Mendocino, Trinity24 hr
Dec 13, 2:26 PM PSTWinter Weather AdvisoryHNXKern34 hr
Dec 13, 2:42 PM PSTAreal Flood WarningMTRSanta Cruz4 hr
Dec 13, 3:01 PM PSTMesoscale DiscussionSPCAlpine, El Dorado, Mono, Nevada, Sierra, Tuolumne4 hr
Dec 13, 6:05 PM PSTHigh Wind WatchEKADel Norte18 hr
Dec 13, 6:05 PM PSTWind AdvisoryEKADel Norte, Humboldt, Lake, Mendocino, Trinity45 hr
Dec 13, 6:45 PM PSTAreal Flood AdvisorySTOAmador, Butte, Calaveras, Colusa, El Dorado, Glenn and 13 more11 hr
Dec 13, 6:56 PM PSTAreal Flood AdvisoryLOXSan Luis Obispo15 hr
Dec 13, 7:32 PM PSTAreal Flood AdvisoryMTRMonterey3 hr
Dec 13, 7:42 PM PSTSpecial Marine WarningMTR33 min
Dec 13, 7:51 PM PSTAreal Flood AdvisoryMTRCity and County of San Francisco, San Mateo114 min
Dec 13, 8:04 PM PSTAreal Flood AdvisoryLOXSanta Barbara15 hr
Dec 13, 11:29 PM PSTWinter Storm WarningSTO16 hr
Dec 13, 11:44 PM PSTAreal Flood AdvisoryMTRMonterey3 hr
Dec 14, 1:19 AM PSTAreal Flood AdvisoryLOXVentura6 hr
Dec 14, 2:23 AM PSTBlowing Dust AdvisoryPSRImperial, Riverside26 hr
Dec 14, 2:42 AM PSTSmall Craft AdvisoryEKA25 hr
Dec 14, 2:42 AM PSTHazardous Seas WarningEKA6 hr
Dec 14, 2:42 AM PSTWinter Storm WatchMFRSiskiyou12 hr
Dec 14, 3:00 AM PSTSmall Craft AdvisoryLOX3 days
Dec 14, 3:48 AM PSTWinter Storm WatchSTO11 hr
Dec 14, 4:09 AM PSTAreal Flood AdvisoryLOXLos Angeles6 hr
Dec 14, 5:10 AM PSTWinter Storm WatchREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more9 hr
Dec 14, 7:34 AM PSTAreal Flood AdvisorySGXOrange, Riverside4 hr
Dec 14, 8:09 AM PSTAreal Flood AdvisorySGXOrange4 hr
Dec 14, 8:49 AM PSTAreal Flood AdvisoryMTRMonterey2 hr
Dec 14, 9:23 AM PSTAreal Flood AdvisorySGXSan Bernardino4 hr
Dec 14, 9:46 AM PSTWind AdvisoryLOX10 hr
Dec 14, 10:05 AM PSTAreal Flood AdvisoryLOXVentura4 hr
Dec 14, 10:12 AM PSTAreal Flood AdvisoryLOXLos Angeles5 hr
Dec 14, 10:36 AM PSTFlash Flood Warning Considerable damage threatSGXOrange3 hr
Dec 14, 11:01 AM PSTFlash Flood Warning Considerable damage threatSGXOrange89 min
Dec 14, 11:46 AM PSTAreal Flood AdvisorySGXSan Diego3 hr
Dec 14, 12:16 PM PSTHigh Wind WarningEKADel Norte27 hr
Dec 14, 12:34 PM PSTWinter Storm WatchHNXFresno, Madera, Mariposa, Tulare, Tuolumne20 hr
Dec 14, 1:00 PM PSTAreal Flood AdvisorySGXRiverside, San Bernardino3 hr
Dec 14, 1:15 PM PSTAreal Flood AdvisorySGXSan Diego3 hr
Dec 14, 1:27 PM PSTFlash Flood Warning Considerable damage threatSGXRiverside, San Bernardino108 min
Dec 14, 1:41 PM PSTWinter Storm WarningREVAlpine, El Dorado, Nevada, Placer44 hr
Dec 14, 1:41 PM PSTWinter Weather AdvisoryREVLassen, Modoc, Mono, Plumas, Sierra47 hr
Dec 14, 2:12 PM PSTWinter Storm WarningMFRSiskiyou36 hr
Dec 14, 2:12 PM PSTWinter Weather AdvisoryMFRModoc, Siskiyou43 hr
Dec 14, 2:15 PM PSTAreal Flood AdvisoryVEFSan Bernardino3 hr
Dec 14, 2:16 PM PSTHigh Wind WarningMFRModoc, Siskiyou29 hr
Dec 14, 2:16 PM PSTWind AdvisoryMFRModoc, Siskiyou29 hr
Dec 14, 2:21 PM PSTWinter Storm WarningEKADel Norte, Humboldt, Lake, Mendocino, Trinity32 hr
Dec 14, 2:21 PM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Lake, Mendocino26 hr
Dec 14, 2:25 PM PSTAreal Flood AdvisoryVEFSan Bernardino3 hr
Dec 14, 3:03 PM PSTSmall Craft AdvisoryMTR42 hr
Dec 14, 3:03 PM PSTWinter Storm WarningSTO43 hr
Dec 14, 8:24 PM PSTFrost AdvisorySGXRiverside, San Bernardino, San Diego13 hr
Dec 14, 8:26 PM PSTFrost AdvisoryLOXLos Angeles81 min
Dec 14, 9:47 PM PSTFrost AdvisoryLOXLos Angeles11 hr
Dec 14, 9:47 PM PSTFreeze WarningLOXLos Angeles11 hr
Dec 14, 10:17 PM PSTHigh Surf AdvisoryLOX16 hr
Dec 15, 1:45 AM PSTWind AdvisorySTO20 hr
Dec 15, 8:04 AM PSTWinter Storm WarningHNXFresno, Madera, Mariposa, Tulare, Tuolumne29 hr
Dec 15, 8:04 AM PSTWinter Weather AdvisoryHNXMariposa26 hr
Dec 15, 12:54 PM PSTHazardous Seas WarningEKA8 hr
Dec 15, 7:14 PM PSTWind AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, City and County of San Francisco, San Mateo and 3 more8 hr
Dec 15, 8:34 PM PSTSmall Craft AdvisoryEKA34 hr
Dec 15, 8:47 PM PSTAreal Flood WarningMTRSonoma5 hr
Dec 15, 9:21 PM PSTAreal Flood AdvisoryMTRMarin, Napa, City and County of San Francisco, Sonoma3 hr
Dec 15, 10:09 PM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Trinity8 hr
Dec 15, 10:09 PM PSTSpecial Marine WarningMTR96 min
Dec 15, 10:09 PM PSTWind AdvisorySTO4 hr
Dec 15, 10:43 PM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, Marin, City and County of San Francisco, San Mateo2 hr
Dec 15, 11:16 PM PSTSpecial Marine WarningMTR59 min
Dec 16, 2:46 AM PSTWind AdvisoryLOXLos Angeles59 hr
Dec 16, 4:21 AM PSTFrost AdvisoryEKADel Norte, Humboldt, Mendocino29 hr
Dec 16, 5:15 AM PSTSmall Craft AdvisoryEKA25 hr
Dec 16, 5:15 AM PSTHazardous Seas WarningEKA4 hr
Dec 16, 11:37 AM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego48 hr
Dec 16, 12:14 PM PSTLake Wind AdvisoryVEFSan Bernardino31 hr
Dec 17, 1:08 AM PSTSmall Craft AdvisoryMTR8 hr
Dec 17, 2:04 AM PSTGale WatchEKA24 hr
Dec 17, 3:55 AM PSTHigh Surf AdvisoryLOX8 hr
Dec 17, 11:36 AM PSTFrost AdvisorySGXRiverside, San Bernardino, San Diego20 hr
Dec 17, 2:06 PM PSTSmall Craft AdvisoryLOX21 hr
Dec 17, 8:35 PM PSTFrost AdvisoryEKAHumboldt, Mendocino12 hr
Dec 18, 12:08 AM PSTFrost AdvisoryLOX9 hr
Dec 18, 12:08 AM PSTFreeze WarningLOX9 hr
Dec 18, 1:47 AM PSTFrost AdvisorySGXRiverside, San Bernardino, San Diego30 hr
Dec 18, 2:06 AM PSTGale WarningEKA67 hr
Dec 18, 2:06 AM PSTSmall Craft AdvisoryEKA4 days
Dec 18, 7:18 AM PSTDense Fog AdvisorySTO4 hr
Dec 18, 2:01 PM PSTSmall Craft AdvisoryMTR5 days
Dec 18, 9:56 PM PSTFreezing Fog AdvisoryREVLassen, Plumas, Sierra12 hr
Dec 19, 2:28 AM PSTFrost AdvisorySGXRiverside, San Bernardino, San Diego30 hr
Dec 19, 3:09 AM PSTGale WatchMTR11 hr
Dec 19, 6:42 AM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Madera, Merced, Tulare5 hr
Dec 19, 12:58 PM PSTWinter Storm WatchREVAlpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more26 hr
Dec 19, 12:58 PM PSTWinter Weather AdvisoryREVAlpine, El Dorado, Lassen, Nevada, Placer, Plumas and 1 more4 days
Dec 19, 1:08 PM PSTWinter Storm WatchHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne26 hr
Dec 19, 2:02 PM PSTWinter Storm WatchSTO25 hr
Dec 19, 2:03 PM PSTWinter Weather AdvisoryEKATrinity56 hr
Dec 19, 2:07 PM PSTGale WarningMTR43 hr
Dec 19, 2:44 PM PSTWind AdvisoryMFRSiskiyou19 hr
Dec 19, 8:10 PM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more16 hr
Dec 19, 11:55 PM PSTFreezing Fog AdvisoryREVLassen, Plumas, Sierra10 hr
Dec 20, 12:57 AM PSTWinter Storm WatchVEFInyo24 hr
Dec 20, 2:24 AM PSTWinter Storm WatchEKA35 hr
Dec 20, 2:41 AM PSTDense Fog AdvisoryLOX6 hr
Dec 20, 6:47 AM PSTWinter Storm WatchMFRSiskiyou21 hr
Dec 20, 2:06 PM PSTSmall Craft AdvisoryLOX13 hr
Dec 20, 2:32 PM PSTHazardous Seas WarningEKA27 hr
Dec 20, 2:35 PM PSTWinter Storm WarningSTO7 days
Dec 20, 2:35 PM PSTWinter Weather AdvisorySTO4 days
Dec 20, 2:59 PM PSTWinter Storm WarningHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne7 days
Dec 20, 2:59 PM PSTWinter Weather AdvisoryHNXFresno, Madera, Mariposa, Tulare, Tuolumne49 hr
Dec 20, 3:23 PM PSTWinter Storm WarningREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more7 days
Dec 20, 9:14 PM PSTHazardous Seas WarningEKA3 hr
Dec 21, 12:21 AM PSTGale WarningEKA10 hr
Dec 21, 1:00 AM PSTWinter Storm WarningVEFInyo5 days
Dec 21, 1:00 AM PSTWinter Weather AdvisoryVEFInyo3 days
Dec 21, 3:24 AM PSTWind AdvisoryMFRSiskiyou42 hr
Dec 21, 4:11 AM PSTWinter Storm WarningMFRSiskiyou51 hr
Dec 21, 4:11 AM PSTWinter Weather AdvisoryMFRModoc, Siskiyou72 hr
Dec 21, 8:41 AM PSTSmall Craft AdvisoryMTR12 hr
Dec 21, 1:40 PM PSTWinter Storm WarningEKA41 hr
Dec 21, 2:37 PM PSTSmall Craft AdvisoryEKA48 hr
Dec 21, 11:22 PM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Tulare8 hr
Dec 22, 3:20 AM PSTGale WarningEKA17 hr
Dec 22, 3:20 AM PSTSmall Craft AdvisoryEKA36 hr
Dec 22, 4:32 AM PSTWinter Storm WatchMFRSiskiyou65 hr
Dec 22, 10:15 AM PSTFlood WatchSGXOrange, Riverside, San Bernardino, San Diego50 hr
Dec 22, 2:45 PM PSTSmall Craft AdvisoryMTR18 hr
Dec 22, 2:45 PM PSTSmall Craft AdvisoryMTR6 days
Dec 22, 9:43 PM PSTSmall Craft AdvisoryLOX38 hr
Dec 23, 2:10 AM PSTWinter Storm WatchEKADel Norte, Humboldt, Lake, Mendocino, Trinity11 hr
Dec 23, 2:57 AM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego39 hr
Dec 23, 3:01 AM PSTWinter Weather AdvisorySGXRiverside, San Bernardino19 hr
Dec 23, 3:11 AM PSTSmall Craft AdvisoryEKA98 min
Dec 23, 4:34 AM PSTSmall Craft AdvisorySGX35 hr
Dec 23, 5:38 AM PSTWinter Storm WarningMFRModoc, Siskiyou4 days
Dec 23, 7:00 AM PSTAreal Flood AdvisoryMTRMarin, Sonoma6 hr
Dec 23, 7:36 AM PSTAreal Flood AdvisoryMTRSan Mateo3 hr
Dec 23, 8:12 AM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 1 more2 hr
Dec 23, 9:13 AM PSTMesoscale DiscussionSPCAlpine, Sierra6 hr
Dec 23, 9:56 AM PSTAreal Flood AdvisoryMTRMonterey, San Benito, Santa Clara, Santa Cruz2 hr
Dec 23, 10:48 AM PSTAreal Flood AdvisoryLOXSan Luis Obispo, Santa Barbara5 hr
Dec 23, 1:17 PM PSTWinter Storm WarningEKADel Norte, Humboldt, Lake, Mendocino, Trinity4 days
Dec 23, 2:21 PM PSTWind AdvisoryREVModoc36 hr
Dec 23, 3:03 PM PSTSmall Craft AdvisoryEKA5 days
Dec 23, 3:22 PM PSTWinter Weather AdvisoryMFRModoc, Siskiyou4 days
Dec 23, 3:33 PM PSTAreal Flood AdvisorySGXRiverside, San Bernardino3 hr
Dec 23, 3:55 PM PSTWind AdvisoryLOX16 hr
Dec 23, 5:11 PM PSTSpecial Weather StatementSTOButte64 min
Dec 23, 5:29 PM PSTAreal Flood AdvisorySGXRiverside, San Bernardino3 hr
Dec 23, 5:43 PM PSTAreal Flood AdvisoryLOXSanta Barbara, Ventura3 hr
Dec 23, 6:06 PM PSTSpecial Weather StatementSTOTehama54 min
Dec 23, 6:30 PM PSTAreal Flood AdvisoryLOXLos Angeles2 hr
Dec 23, 8:01 PM PSTAreal Flood AdvisorySGXOrange7 hr
Dec 23, 8:20 PM PSTAreal Flood AdvisorySGXRiverside, San Bernardino7 hr
Dec 23, 8:34 PM PSTSmall Craft AdvisoryLOX24 hr
Dec 23, 8:53 PM PSTSpecial Weather StatementSTOTuolumne52 min
Dec 23, 8:54 PM PSTAreal Flood AdvisoryLOXLos Angeles4 hr
Dec 23, 9:31 PM PSTAreal Flood AdvisorySGXSan Diego3 hr
Dec 23, 10:03 PM PSTWinter Storm WarningSGXRiverside, San Bernardino14 hr
Dec 24, 1:17 AM PSTFlash Flood Warning Considerable damage threatSGXRiverside, San Bernardino3 hr
Dec 24, 1:55 AM PSTAreal Flood AdvisoryMTRCity and County of San Francisco, San Mateo, Santa Clara, Santa Cruz95 min
Dec 24, 2:26 AM PSTAreal Flood AdvisorySGXSan Diego3 hr
Dec 24, 2:46 AM PSTSmall Craft AdvisoryMTR4 days
Dec 24, 2:53 AM PSTGale WarningEKA12 hr
Dec 24, 3:18 AM PSTWinter Storm WatchHNXFresno, Kern, Madera, Mariposa, Tulare25 hr
Dec 24, 5:09 AM PSTAreal Flood AdvisoryHNXKern111 min
Dec 24, 6:14 AM PSTBeach Hazards StatementSGXOrange, San Diego2 hr
Dec 24, 7:07 AM PSTAreal Flood AdvisorySGXOrange, Riverside, San Bernardino, San Diego2 hr
Dec 24, 7:31 AM PSTAreal Flood AdvisorySGXSan Diego90 min
Dec 24, 7:48 AM PSTWinter Storm WatchLOX14 hr
Dec 24, 10:01 AM PSTWinter Storm WatchEKADel Norte, Humboldt, Mendocino43 hr
Dec 24, 12:00 PM PSTWinter Storm WatchSGXRiverside, San Bernardino9 hr
Dec 24, 12:37 PM PSTWind AdvisoryPSRImperial8 hr
Dec 24, 2:28 PM PSTHigh Wind WatchREVModoc12 hr
Dec 24, 2:38 PM PSTSmall Craft AdvisoryMTR4 days
Dec 24, 9:00 PM PSTWinter Storm WarningSGXRiverside, San Bernardino32 hr
Dec 24, 9:13 PM PSTSmall Craft AdvisoryLOX59 hr
Dec 24, 9:20 PM PSTWinter Storm WarningLOX31 hr
Dec 24, 9:37 PM PSTWind AdvisoryLOXSanta Barbara36 hr
Dec 25, 2:13 AM PSTWind AdvisoryREVModoc44 hr
Dec 25, 2:25 AM PSTSmall Craft AdvisorySGX32 hr
Dec 25, 3:39 AM PSTWinter Weather AdvisoryVEF24 hr
Dec 25, 3:49 AM PSTWinter Storm WatchHNXFresno, Kern, Madera, Mariposa, Tulare23 hr
Dec 25, 3:49 AM PSTWinter Weather AdvisoryHNXFresno, Kern, Madera, Mariposa, Tulare28 hr
Dec 25, 5:37 AM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Mendocino28 hr
Dec 25, 8:37 AM PSTAreal Flood AdvisoryMTRCity and County of San Francisco, San Mateo3 hr
Dec 25, 8:41 AM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa4 hr
Dec 25, 10:10 AM PSTAreal Flood AdvisoryMTRSan Mateo, Santa Clara2 hr
Dec 25, 10:41 AM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, San Mateo, Santa Clara2 hr
Dec 25, 10:44 AM PSTAreal Flood AdvisoryMTRAlameda, San Mateo, Santa Clara, Santa Cruz2 hr
Dec 25, 11:30 AM PSTAreal Flood AdvisoryMTRAlameda, Santa Clara, Santa Cruz3 hr
Dec 25, 12:15 PM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, Santa Clara2 hr
Dec 25, 12:48 PM PSTWind AdvisoryPSRImperial18 hr
Dec 25, 1:11 PM PSTWind AdvisoryVEFInyo, San Bernardino23 hr
Dec 25, 1:18 PM PSTSpecial Weather StatementSTOShasta, Tehama27 min
Dec 25, 1:40 PM PSTWinter Storm WatchSGXRiverside, San Bernardino, San Diego24 hr
Dec 25, 1:40 PM PSTWinter Weather AdvisorySGXSan Diego16 hr
Dec 25, 2:34 PM PSTAreal Flood AdvisoryMTRMonterey, San Benito, Santa Clara, Santa Cruz5 hr
Dec 25, 4:48 PM PSTWind AdvisoryHNXKern16 hr
Dec 25, 7:00 PM PSTAreal Flood AdvisoryLOXSan Luis Obispo, Santa Barbara3 hr
Dec 25, 7:24 PM PSTSpecial Marine WarningLOX51 min
Dec 25, 8:26 PM PSTSpecial Marine WarningLOX79 min
Dec 25, 9:41 PM PSTAreal Flood AdvisoryLOXVentura2 hr
Dec 25, 10:49 PM PSTAreal Flood AdvisoryLOXLos Angeles3 hr
Dec 26, 12:58 AM PSTAreal Flood AdvisorySGXOrange, Riverside, San Bernardino3 hr
Dec 26, 2:10 AM PSTSmall Craft AdvisoryMTR49 hr
Dec 26, 2:33 AM PSTGale WatchSGX11 hr
Dec 26, 2:50 AM PSTGale WatchLOX12 hr
Dec 26, 3:15 AM PSTWinter Weather AdvisoryHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne49 hr
Dec 26, 3:25 AM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego9 hr
Dec 26, 3:58 AM PSTHigh Surf AdvisoryLOX10 hr
Dec 26, 3:59 AM PSTWinter Storm WatchLOX10 hr
Dec 26, 4:27 AM PSTFreeze WatchSTO31 hr
Dec 26, 4:27 AM PSTFreeze WatchSTO23 hr
Dec 26, 4:37 AM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Mendocino29 hr
Dec 26, 9:06 AM PSTSmall Craft AdvisoryLOX60 hr
Dec 26, 12:03 PM PSTHigh Wind WarningSGXRiverside, San Bernardino, San Diego32 hr
Dec 26, 1:01 PM PSTWind AdvisoryVEFInyo, San Bernardino37 hr
Dec 26, 1:03 PM PSTWinter Storm WarningVEFInyo30 hr
Dec 26, 1:33 PM PSTWind AdvisorySTO10 hr
Dec 26, 1:40 PM PSTWinter Storm WarningSGXRiverside, San Bernardino, San Diego37 hr
Dec 26, 1:42 PM PSTGale WarningSGX30 hr
Dec 26, 2:02 PM PSTWind AdvisoryPSRImperial, San Bernardino37 hr
Dec 26, 2:07 PM PSTWinter Weather AdvisoryREVModoc29 hr
Dec 26, 2:19 PM PSTWinter Storm WarningLOX32 hr
Dec 26, 2:25 PM PSTGale WarningLOX30 hr
Dec 26, 2:50 PM PSTFreeze WatchEKADel Norte, Humboldt, Mendocino20 hr
Dec 26, 7:27 PM PSTWind AdvisoryLOXSanta Barbara23 hr
Dec 27, 2:19 AM PSTWinter Weather AdvisoryMFRSiskiyou32 hr
Dec 27, 2:35 AM PSTFreeze WatchLOXLos Angeles12 hr
Dec 27, 6:02 AM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, City and County of San Francisco, San Mateo, Santa Clara, Santa Cruz3 hr
Dec 27, 6:35 AM PSTAreal Flood AdvisoryMTRAlameda, Monterey, San Benito, Santa Clara, Santa Cruz4 hr
Dec 27, 8:54 AM PSTAreal Flood AdvisoryMTRMonterey, San Benito3 hr
Dec 27, 1:55 PM PSTSpecial Weather StatementSTOSacramento50 min
Dec 27, 2:13 PM PSTFrost AdvisoryLOXLos Angeles18 hr
Dec 27, 2:22 PM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Lake, Mendocino, Trinity20 hr
Dec 27, 3:09 PM PSTSpecial Weather StatementSTOAmador51 min
Dec 27, 7:39 PM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego7 hr
Dec 27, 8:03 PM PSTSmall Craft AdvisorySGX13 hr
Dec 27, 9:07 PM PSTWinter Storm WatchSTO6 hr
Dec 27, 9:07 PM PSTWinter Weather AdvisorySTO6 hr
Dec 27, 9:17 PM PSTWinter Weather AdvisoryREVAlpine, El Dorado, Mono, Nevada, Placer49 hr
Dec 28, 2:37 AM PSTWinter Storm WatchLOX12 hr
Dec 28, 2:59 AM PSTSmall Craft AdvisoryMTR24 hr
Dec 28, 3:00 AM PSTSmall Craft AdvisoryLOX6 hr
Dec 28, 3:00 AM PSTWinter Storm WatchSGXRiverside, San Bernardino, San Diego10 hr
Dec 28, 3:14 AM PSTWinter Storm WatchVEFInyo11 hr
Dec 28, 3:33 AM PSTWinter Storm WarningSTO42 hr
Dec 28, 3:33 AM PSTWinter Weather AdvisorySTO32 hr
Dec 28, 3:40 AM PSTWinter Weather AdvisoryHNXFresno, Kern, Madera, Mariposa, Tulare, Tuolumne46 hr
Dec 28, 11:07 AM PSTFlood WatchSGXOrange, Riverside, San Bernardino, San Diego48 hr
Dec 28, 1:26 PM PSTWinter Storm WarningSGXRiverside, San Bernardino, San Diego55 hr
Dec 28, 1:49 PM PSTWinter Storm WarningVEFInyo54 hr
Dec 28, 1:49 PM PSTWinter Weather AdvisoryVEFSan Bernardino45 hr
Dec 28, 2:14 PM PSTWinter Weather AdvisoryEKAHumboldt, Trinity17 hr
Dec 28, 2:15 PM PSTFreeze WatchEKADel Norte, Humboldt, Mendocino13 hr
Dec 28, 2:19 PM PSTSmall Craft AdvisoryMTR37 hr
Dec 28, 2:23 PM PSTWinter Storm WarningLOX54 hr
Dec 28, 2:36 PM PSTSmall Craft AdvisoryEKA48 hr
Dec 28, 7:46 PM PSTWinter Weather AdvisoryMFRSiskiyou14 hr
Dec 28, 8:52 PM PSTSmall Craft AdvisoryLOX41 hr
Dec 28, 8:52 PM PSTSmall Craft AdvisorySGX40 hr
Dec 29, 1:33 AM PSTSpecial Marine WarningMTR27 min
Dec 29, 1:39 AM PSTAreal Flood AdvisoryMTRCity and County of San Francisco, San Mateo2 hr
Dec 29, 2:25 AM PSTWind AdvisoryLOX20 hr
Dec 29, 3:24 AM PSTFreeze WarningEKADel Norte, Humboldt, Mendocino30 hr
Dec 29, 3:47 AM PSTWinter Weather AdvisorySGXSan Diego23 hr
Dec 29, 9:57 AM PSTAreal Flood AdvisoryMTRCity and County of San Francisco, San Mateo3 hr
Dec 29, 1:55 PM PSTFlash Flood WatchLOXLos Angeles26 hr
Dec 29, 2:04 PM PSTSmall Craft AdvisoryMTR67 hr
Dec 29, 2:48 PM PSTAreal Flood AdvisoryMTRSanta Clara, Santa Cruz5 hr
Dec 29, 3:42 PM PSTSpecial Weather StatementMTRSanta Clara33 min
Dec 29, 3:43 PM PSTSpecial Weather StatementMTRSan Benito32 min
Dec 29, 4:10 PM PSTSmall Craft AdvisoryLOX11 hr
Dec 29, 5:34 PM PSTAreal Flood AdvisoryMTRAlameda, Santa Clara56 min
Dec 29, 6:31 PM PSTAreal Flood AdvisoryMTRAlameda, Santa Clara89 min
Dec 29, 7:49 PM PSTWinter Weather AdvisoryMFRModoc44 hr
Dec 29, 11:02 PM PSTAreal Flood AdvisoryLOXLos Angeles, Ventura6 hr
Dec 30, 2:00 AM PSTWinter Weather AdvisoryHNXKern, Tulare16 hr
Dec 30, 2:50 AM PSTWinter Weather AdvisorySGXRiverside9 hr
Dec 30, 4:31 AM PSTSpecial Marine WarningLOX29 min
Dec 30, 4:54 AM PSTAreal Flood AdvisoryLOXLos Angeles, Ventura6 hr
Dec 30, 4:57 AM PSTSpecial Marine WarningLOX33 min
Dec 30, 8:11 AM PSTSmall Craft AdvisoryLOX42 hr
Dec 30, 9:06 AM PSTSmall Craft AdvisoryEKA3 hr
Dec 30, 10:47 AM PSTAreal Flood AdvisoryLOXLos Angeles, Ventura4 hr
Dec 30, 11:45 AM PSTAreal Flood AdvisoryHNXKern4 hr
Dec 30, 12:45 PM PSTSmall Craft AdvisorySGX37 hr
Dec 30, 1:23 PM PSTCoastal Flood AdvisoryEKAHumboldt22 hr
Dec 30, 2:28 PM PSTGale WarningLOX36 hr
Dec 30, 2:28 PM PSTSmall Craft AdvisoryLOX36 hr
Dec 30, 2:34 PM PSTSmall Craft AdvisoryEKA36 hr
Dec 30, 4:07 PM PSTFlash Flood WatchLOXLos Angeles4 hr
Dec 30, 8:43 PM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Madera, Merced, Tulare10 hr
Dec 31, 3:29 AM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego24 hr
Dec 31, 7:19 AM PSTDense Fog AdvisoryHNXKern8 hr
Dec 31, 11:37 AM PSTWind AdvisoryLOX15 hr
Dec 31, 3:39 PM PSTWind AdvisoryHNXKern9 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

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

18 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.