Alert archive / California / 2023

Weather alerts in California, May 2023

253 weather alerts in May 2023, 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 2023. Tap one for its archive.

Alerts
253
Warnings
38
Watches
11
Advisories
124
Busiest day
May 20, 202325 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
Apr 30, 8:47 PM PDTGale WarningMTR24 hr
Apr 30, 8:47 PM PDTSmall Craft AdvisoryMTR30 hr
Apr 30, 9:04 PM PDTSmall Craft AdvisoryLOX6 hr
May 1, 2:07 AM PDTSmall Craft AdvisorySGX19 hr
May 1, 2:40 AM PDTWind AdvisoryLOXLos Angeles, San Luis Obispo, Santa Barbara19 hr
May 1, 2:52 AM PDTSmall Craft AdvisoryLOX30 hr
May 1, 2:31 PM PDTSmall Craft AdvisoryMTR36 hr
May 1, 2:45 PM PDTDust Storm AdvisoryPSRImperial2 hr
May 1, 3:13 PM PDTWinter Weather AdvisoryREVAlpine, El Dorado, Nevada, Placer32 hr
May 1, 4:45 PM PDTDust Storm AdvisoryPSRImperial2 hr
May 1, 6:43 PM PDTDust Storm AdvisoryPSRImperial2 hr
May 2, 2:54 AM PDTWind AdvisoryLOXLos Angeles15 hr
May 2, 2:57 AM PDTSmall Craft AdvisoryMTR48 hr
May 2, 9:09 AM PDTSmall Craft AdvisoryLOX5 hr
May 2, 12:00 PM PDTSpecial Weather StatementSTOStanislaus45 min
May 2, 1:07 PM PDTWind AdvisoryPSRImperial16 hr
May 2, 1:07 PM PDTWind AdvisoryPSRImperial, Riverside40 hr
May 2, 1:20 PM PDTWind AdvisorySGXSan Diego15 hr
May 2, 2:01 PM PDTSpecial Weather StatementMTRSanta Clara29 min
May 2, 2:01 PM PDTSpecial Weather StatementSTOSan Joaquin44 min
May 2, 2:55 PM PDTSpecial Weather StatementMTRNapa35 min
May 2, 2:57 PM PDTSpecial Weather StatementSTOSan Joaquin48 min
May 2, 3:45 PM PDTSpecial Weather StatementSTOSacramento45 min
May 2, 4:40 PM PDTSpecial Weather StatementSTOSacramento50 min
May 2, 5:18 PM PDTAreal Flood AdvisorySTOPlacer, Sutter, Yuba99 min
May 2, 6:12 PM PDTSpecial Weather StatementSTOColusa, Glenn, Sutter48 min
May 2, 8:16 PM PDTSmall Craft AdvisoryLOX34 hr
May 3, 3:46 AM PDTWinter Weather AdvisorySGXSan Bernardino38 hr
May 3, 3:54 AM PDTWind AdvisorySGXRiverside, San Diego38 hr
May 3, 5:00 AM PDTWinter Weather AdvisoryLOXLos Angeles, Ventura36 hr
May 3, 1:20 PM PDTSmall Craft AdvisorySGX22 hr
May 3, 11:26 PM PDTAreal Flood AdvisoryLOXLos Angeles, Santa Barbara, Ventura6 hr
May 4, 2:05 AM PDTAreal Flood AdvisoryLOXLos Angeles6 hr
May 4, 2:56 AM PDTSpecial Weather StatementLOXLos Angeles34 min
May 4, 10:15 AM PDTSpecial Weather StatementSGXOrange30 min
May 4, 10:18 AM PDTSpecial Weather StatementLOXLos Angeles27 min
May 4, 12:16 PM PDTSpecial Weather StatementHNXFresno44 min
May 4, 12:57 PM PDTSpecial Weather StatementREVAlpine78 min
May 4, 2:23 PM PDTFlash Flood WarningREVLassen, Plumas52 min
May 4, 4:51 PM PDTSpecial Weather StatementREVLassen24 min
May 4, 5:07 PM PDTSpecial Weather StatementHNXMerced23 min
May 4, 7:16 PM PDTAreal Flood AdvisorySTOColusa3 hr
May 5, 12:37 PM PDTWinter Weather AdvisorySTO31 hr
May 6, 1:58 AM PDTSmall Craft AdvisoryLOX25 hr
May 6, 3:16 AM PDTFrost AdvisoryEKADel Norte, Humboldt, Lake, Mendocino, Trinity29 hr
May 6, 11:55 AM PDTAreal Flood AdvisorySTOShasta, Tehama3 hr
May 6, 12:24 PM PDTSpecial Weather StatementSTOSutter51 min
May 6, 12:53 PM PDTSpecial Weather StatementSTOSacramento37 min
May 6, 1:12 PM PDTSpecial Weather StatementSTOYuba48 min
May 6, 2:03 PM PDTSmall Craft AdvisoryMTR37 hr
May 6, 2:05 PM PDTSmall Craft AdvisoryEKA37 hr
May 6, 2:46 PM PDTSpecial Weather StatementSTOGlenn59 min
May 6, 3:01 PM PDTSevere Thunderstorm WarningSTOGlenn29 min
May 6, 4:13 PM PDTSevere Thunderstorm WarningSTOButte, Colusa, Glenn62 min
May 7, 2:32 AM PDTSmall Craft AdvisoryLOX7 days
May 7, 2:52 AM PDTLake Wind AdvisoryREVAlpine, El Dorado, Nevada, Placer41 hr
May 7, 3:07 AM PDTWind AdvisoryLOXLos Angeles, Santa Barbara24 hr
May 8, 2:27 AM PDTFrost AdvisoryEKADel Norte, Humboldt, Lake, Mendocino, Trinity30 hr
May 8, 2:43 AM PDTWind AdvisoryLOXSanta Barbara24 hr
May 8, 3:07 AM PDTSmall Craft AdvisoryLOX6 days
May 8, 11:04 AM PDTSpecial Weather StatementSTOTehama41 min
May 8, 12:34 PM PDTSmall Craft AdvisorySGX43 hr
May 8, 12:57 PM PDTWind AdvisoryVEFSan Bernardino47 hr
May 8, 1:27 PM PDTWind AdvisoryPSRImperial, Riverside45 hr
May 8, 1:30 PM PDTWind AdvisorySGXRiverside, San Bernardino, San Diego47 hr
May 8, 2:58 PM PDTSpecial Weather StatementSTOShasta62 min
May 9, 1:04 AM PDTWind AdvisoryHNXKern34 hr
May 9, 2:41 AM PDTWind AdvisoryLOXLos Angeles, Santa Barbara, Ventura29 hr
May 9, 3:04 AM PDTSmall Craft AdvisoryMTR24 hr
May 9, 2:35 PM PDTSmall Craft AdvisoryMTR4 days
May 9, 2:40 PM PDTFrost AdvisoryEKAHumboldt, Lake, Mendocino, Trinity17 hr
May 9, 4:32 PM PDTAreal Flood AdvisoryHNXFresno116 min
May 9, 6:10 PM PDTAreal Flood AdvisoryHNXFresno, Kings64 min
May 9, 7:38 PM PDTSpecial Weather StatementREVSierra22 min
May 9, 10:03 PM PDTHigh Wind WarningPSRImperial5 hr
May 10, 2:52 AM PDTSmall Craft AdvisoryMTR4 days
May 10, 2:07 PM PDTWind AdvisoryLOXSanta Barbara16 hr
May 10, 2:32 PM PDTSmall Craft AdvisoryEKA36 hr
May 10, 11:18 PM PDTHeat AdvisoryHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more5 days
May 11, 2:26 AM PDTHeat AdvisoryMFRSiskiyou4 days
May 11, 2:54 AM PDTSmall Craft AdvisoryEKA3 days
May 11, 3:02 AM PDTSmall Craft AdvisoryLOX17 hr
May 11, 5:55 AM PDTWind AdvisoryLOXSanta Barbara21 hr
May 11, 9:13 PM PDTSmall Craft AdvisoryMTR30 hr
May 12, 2:52 AM PDTSmall Craft AdvisoryLOX18 hr
May 13, 2:56 AM PDTSmall Craft AdvisoryMTR42 hr
May 13, 5:49 AM PDTDense Fog AdvisoryMTRMonterey, San Benito, City and County of San Francisco, San Mateo, Santa Cruz4 hr
May 13, 6:17 AM PDTMarine Dense Fog AdvisoryMTR4 hr
May 13, 12:43 PM PDTRiver Flood AdvisoryREVAlpine30 days
May 13, 3:52 PM PDTRiver Flood WatchHNXMadera, Mariposa, Tuolumne25 hr
May 14, 12:34 AM PDTDense Fog AdvisoryMTRMonterey, San Mateo, Santa Cruz8 hr
May 14, 12:36 AM PDTMarine Dense Fog AdvisoryMTR8 hr
May 14, 3:13 AM PDTSmall Craft AdvisoryEKA41 hr
May 14, 4:35 PM PDTRiver Flood WarningHNXMariposa12 days
May 15, 2:39 PM PDTSmall Craft AdvisoryMTR36 hr
May 16, 2:34 AM PDTSmall Craft AdvisoryLOX24 hr
May 16, 3:00 AM PDTSmall Craft AdvisoryMTR8 days
May 16, 1:22 PM PDTBeach Hazards StatementSGXOrange3 days
May 16, 1:57 PM PDTBeach Hazards StatementLOXLos Angeles, Ventura3 days
May 17, 2:39 AM PDTSmall Craft AdvisoryLOX5 days
May 17, 2:47 AM PDTSmall Craft AdvisoryMTR8 days
May 17, 12:45 PM PDTFlood WatchREVAlpine, El Dorado, Mono, Nevada, Placer6 days
May 17, 2:48 PM PDTSmall Craft AdvisoryEKA4 days
May 17, 4:42 PM PDTRiver Flood WarningREVMono9 days
May 18, 2:41 AM PDTSmall Craft AdvisoryMTR66 hr
May 18, 10:00 AM PDTCoastal Flood AdvisoryLOXLos Angeles, Ventura13 hr
May 18, 2:50 PM PDTGale WatchEKA37 hr
May 18, 2:50 PM PDTSmall Craft AdvisoryEKA60 hr
May 19, 2:46 AM PDTSmall Craft AdvisoryMTR42 hr
May 19, 8:29 AM PDTAreal Flood AdvisoryHNXFresno, Kings, Tulare3 days
May 19, 2:08 PM PDTSmall Craft AdvisoryEKA37 hr
May 19, 2:10 PM PDTGale WatchMTR12 hr
May 19, 6:41 PM PDTDust Storm AdvisoryPSRImperial, Riverside64 min
May 19, 7:46 PM PDTDust Storm AdvisoryPSRImperial, Riverside59 min
May 19, 8:47 PM PDTDust Storm AdvisoryPSRImperial, Riverside88 min
May 19, 11:44 PM PDTSpecial Weather StatementSGX46 min
May 20, 1:42 AM PDTSpecial Weather StatementSGXRiverside48 min
May 20, 1:58 AM PDTSpecial Weather StatementSGXRiverside32 min
May 20, 2:39 AM PDTGale WarningMTR5 days
May 20, 3:15 AM PDTSpecial Weather StatementSGXSan Diego45 min
May 20, 3:22 AM PDTGale WatchEKA24 hr
May 20, 3:22 AM PDTGale WarningEKA5 days
May 20, 9:04 AM PDTRiver Flood WarningREVAlpine47 hr
May 20, 9:24 AM PDTRiver Flood WarningHNXMariposa5 days
May 20, 2:18 PM PDTSpecial Weather StatementHNX42 min
May 20, 2:22 PM PDTFlash Flood WarningREVAlpine69 min
May 20, 2:58 PM PDTAreal Flood AdvisoryVEFSan Bernardino3 hr
May 20, 3:17 PM PDTSpecial Weather StatementHNX28 min
May 20, 3:25 PM PDTSpecial Weather StatementHNXMono35 min
May 20, 3:40 PM PDTSpecial Weather StatementHNXMono35 min
May 20, 3:47 PM PDTSpecial Weather StatementREVPlumas28 min
May 20, 3:54 PM PDTSpecial Weather StatementHNXMariposa36 min
May 20, 4:11 PM PDTSpecial Weather StatementHNXKern34 min
May 20, 4:21 PM PDTSevere Thunderstorm WarningHNXKern24 min
May 20, 4:31 PM PDTSpecial Weather StatementSTOTuolumne44 min
May 20, 4:38 PM PDTFlash Flood WarningHNXFresno48 min
May 20, 4:50 PM PDTSpecial Weather StatementLOXLos Angeles40 min
May 20, 6:05 PM PDTSevere Thunderstorm WarningSGXSan Bernardino55 min
May 20, 6:28 PM PDTFlash Flood Warning Considerable damage threatVEFInyo3 hr
May 20, 7:12 PM PDTSpecial Weather StatementLOXLos Angeles63 min
May 20, 7:12 PM PDTSevere Thunderstorm WarningVEFSan Bernardino63 min
May 20, 9:10 PM PDTSpecial Weather StatementLOXLos Angeles65 min
May 21, 2:54 AM PDTSmall Craft AdvisoryMTR54 hr
May 21, 8:48 AM PDTSmall Craft AdvisoryLOX12 hr
May 21, 11:40 AM PDTAreal Flood AdvisorySGXSan Bernardino118 min
May 21, 11:46 AM PDTAreal Flood AdvisoryVEFSan Bernardino3 hr
May 21, 12:02 PM PDTSpecial Weather StatementSGX43 min
May 21, 1:00 PM PDTAreal Flood AdvisoryVEFSan Bernardino3 hr
May 21, 1:30 PM PDTAreal Flood AdvisoryLOXLos Angeles3 hr
May 21, 1:45 PM PDTSpecial Weather StatementLOXLos Angeles60 min
May 21, 1:55 PM PDTSpecial Weather StatementLOXVentura50 min
May 21, 1:56 PM PDTAreal Flood AdvisoryLOXVentura3 hr
May 21, 3:26 PM PDTSpecial Weather StatementHNXMadera34 min
May 21, 3:41 PM PDTAreal Flood AdvisoryVEFSan Bernardino3 hr
May 21, 3:44 PM PDTAreal Flood AdvisoryREVAlpine, Mono76 min
May 21, 3:58 PM PDTFlash Flood WarningHNXMadera55 min
May 21, 4:00 PM PDTSpecial Weather StatementSTOAlpine45 min
May 21, 4:01 PM PDTAreal Flood AdvisorySGXSan Bernardino112 min
May 21, 4:15 PM PDTSpecial Weather StatementSGX45 min
May 21, 4:28 PM PDTSpecial Weather StatementHNX32 min
May 21, 4:40 PM PDTSpecial Weather StatementSTOAlpine50 min
May 21, 4:51 PM PDTSpecial Weather StatementSTOAlpine39 min
May 21, 5:16 PM PDTAreal Flood AdvisoryVEFSan Bernardino97 min
May 21, 5:26 PM PDTSpecial Weather StatementSTOAlpine34 min
May 21, 5:43 PM PDTFlash Flood WarningHNXTulare80 min
May 21, 6:18 PM PDTSpecial Weather StatementHNX27 min
May 21, 6:48 PM PDTFlash Flood WarningHNXKern57 min
May 21, 6:51 PM PDTFlash Flood Warning Considerable damage threatVEFSan Bernardino2 hr
May 21, 7:04 PM PDTFlash Flood WarningHNXKern101 min
May 21, 7:24 PM PDTFlash Flood Warning Considerable damage threatVEFInyo3 hr
May 21, 7:53 PM PDTSevere Thunderstorm WarningHNXKern22 min
May 21, 8:17 PM PDTSpecial Weather StatementHNX28 min
May 22, 2:38 AM PDTSmall Craft AdvisoryMTR48 hr
May 22, 1:07 PM PDTRiver Flood AdvisoryREVAlpine9 days
May 22, 2:11 PM PDTSpecial Weather StatementHNXTulare34 min
May 22, 3:14 PM PDTAreal Flood AdvisoryVEFInyo3 hr
May 22, 3:15 PM PDTSpecial Weather StatementLOXVentura60 min
May 22, 3:21 PM PDTAreal Flood AdvisoryLOXVentura3 hr
May 22, 4:05 PM PDTAreal Flood AdvisoryVEFSan Bernardino3 hr
May 22, 4:18 PM PDTAreal Flood AdvisoryHNXTulare90 min
May 22, 5:00 PM PDTAreal Flood AdvisoryHNXKern, Tulare78 min
May 22, 5:04 PM PDTAreal Flood AdvisorySGXSan Bernardino53 min
May 22, 5:12 PM PDTAreal Flood AdvisoryVEFInyo, San Bernardino3 hr
May 22, 6:05 PM PDTSpecial Weather StatementHNX25 min
May 23, 3:19 AM PDTAreal Flood AdvisoryVEFInyo2 hr
May 23, 7:22 AM PDTHazardous Seas WarningEKA32 hr
May 23, 2:30 PM PDTSmall Craft AdvisoryMTR31 hr
May 23, 5:11 PM PDTSpecial Weather StatementSTOShasta49 min
May 23, 5:21 PM PDTSpecial Weather StatementEKATrinity24 min
May 23, 5:29 PM PDTSevere Thunderstorm WarningSTOShasta36 min
May 23, 5:51 PM PDTSpecial Weather StatementEKATrinity39 min
May 23, 5:51 PM PDTSevere Thunderstorm WarningSTOShasta39 min
May 23, 6:35 PM PDTSevere Thunderstorm WarningSTOShasta40 min
May 23, 7:35 PM PDTSpecial Weather StatementSTOShasta40 min
May 23, 7:36 PM PDTSpecial Weather StatementSTOShasta24 min
May 24, 1:04 AM PDTSpecial Weather StatementSTOColusa26 min
May 24, 3:01 PM PDTSmall Craft AdvisoryEKA42 hr
May 24, 3:01 PM PDTHazardous Seas WarningEKA6 hr
May 24, 8:48 PM PDTHazardous Seas WarningEKA6 hr
May 25, 1:55 AM PDTWind AdvisoryPSRImperial29 hr
May 25, 2:40 AM PDTSmall Craft AdvisoryMTR24 hr
May 25, 7:53 AM PDTFlood WatchREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more14 hr
May 25, 1:08 PM PDTAreal Flood AdvisoryREVPlumas112 min
May 25, 1:30 PM PDTWind AdvisorySGXRiverside, San Diego17 hr
May 25, 3:02 PM PDTSpecial Weather StatementSTOPlumas, Sierra58 min
May 25, 3:20 PM PDTSpecial Weather StatementSTOPlumas, Sierra40 min
May 25, 4:54 PM PDTAreal Flood AdvisoryREVLassen, Plumas111 min
May 25, 5:42 PM PDTSpecial Weather StatementSTOShasta63 min
May 25, 6:04 PM PDTSpecial Weather StatementEKATrinity26 min
May 25, 8:31 PM PDTSpecial Weather StatementSTOGlenn59 min
May 26, 1:33 AM PDTSmall Craft AdvisoryLOX25 hr
May 26, 1:42 AM PDTWind AdvisoryPSRImperial27 hr
May 26, 8:21 AM PDTWind AdvisoryHNXKern17 hr
May 26, 8:42 AM PDTSmall Craft AdvisoryEKA5 days
May 26, 1:39 PM PDTRiver Flood AdvisoryREVMono20 days
May 26, 2:01 PM PDTSmall Craft AdvisoryMTR55 hr
May 26, 4:11 PM PDTAreal Flood AdvisoryHNXMadera, Mariposa, Tuolumne3 hr
May 27, 2:40 AM PDTHazardous Seas WatchEKA24 hr
May 27, 8:50 AM PDTRiver Flood WarningHNXMariposa11 days
May 27, 2:35 PM PDTSpecial Weather StatementSTOShasta55 min
May 27, 3:23 PM PDTSpecial Weather StatementSTOShasta67 min
May 27, 4:34 PM PDTSpecial Weather StatementSTOShasta56 min
May 27, 4:42 PM PDTSpecial Weather StatementSTOShasta48 min
May 27, 5:18 PM PDTSpecial Weather StatementEKATrinity27 min
May 27, 6:02 PM PDTSpecial Weather StatementEKATrinity13 min
May 27, 6:37 PM PDTSpecial Weather StatementSTOTehama53 min
May 27, 8:52 PM PDTSpecial Weather StatementSTOGlenn53 min
May 28, 2:35 AM PDTHazardous Seas WarningEKA30 hr
May 28, 8:27 AM PDTFlood WatchREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more58 hr
May 28, 3:25 PM PDTSpecial Weather StatementSTOButte50 min
May 29, 9:50 AM PDTFlash Flood WatchMFRSiskiyou13 hr
May 29, 1:15 PM PDTWind AdvisoryPSRImperial19 hr
May 29, 2:57 PM PDTSpecial Weather StatementREVPlumas18 min
May 29, 3:28 PM PDTSpecial Weather StatementSTOPlumas47 min
May 29, 3:48 PM PDTSpecial Weather StatementSTOPlumas42 min
May 29, 4:08 PM PDTSpecial Weather StatementREVPlumas37 min
May 29, 4:16 PM PDTSpecial Weather StatementSTOPlumas44 min
May 29, 5:04 PM PDTFlash Flood WarningREVAlpine, Mono106 min
May 29, 8:04 PM PDTGale WatchEKA19 hr
May 30, 12:36 AM PDTWind AdvisoryPSRImperial, Riverside31 hr
May 30, 2:34 AM PDTGale WatchMTR12 hr
May 30, 2:34 AM PDTSmall Craft AdvisoryMTR5 days
May 30, 1:38 PM PDTSmall Craft AdvisoryLOX5 days
May 30, 1:53 PM PDTAreal Flood AdvisoryREVLassen, Plumas112 min
May 30, 2:10 PM PDTGale WarningMTR61 hr
May 30, 2:49 PM PDTGale WarningEKA61 hr
May 30, 3:08 PM PDTFlash Flood WarningMFRSiskiyou52 min
May 30, 3:53 PM PDTAreal Flood AdvisoryREVLassen112 min
May 30, 4:31 PM PDTSpecial Weather StatementLOXVentura29 min
May 30, 4:54 PM PDTFlash Flood Warning Considerable damage threatLOXVentura103 min
May 31, 1:10 AM PDTWind AdvisoryPSRImperial28 hr
May 31, 2:37 PM PDTSmall Craft AdvisoryMTR30 hr
May 31, 4:09 PM PDTFlash Flood WarningREVAlpine, Mono111 min

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.

10 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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.