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Alert Archives for All California Counties
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117 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:May 18, 2026 - 7:00 am PDT
El Dorado County   2 alerts
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 17 10:45 pm Expired: May 18 5:00 am Duration: 6 hrs   15 mins  
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Placer County   2 alerts
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 17 10:45 pm Expired: May 18 5:00 am Duration: 6 hrs   15 mins  
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Nevada County   2 alerts
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 17 10:45 pm Expired: May 18 5:00 am Duration: 6 hrs   15 mins  
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Alpine County
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 17 10:45 pm Expired: May 18 5:00 am Duration: 6 hrs   15 mins  
Sacramento County   2 alerts
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
WIY.gif   WIND ADVISORY  
  Areas affected: Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta
Effective: May 17 7:51 pm Expired: May 18 8:00 am Duration: 12 hrs   09 mins  
Amador County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Butte County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Calaveras County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Colusa County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Contra Costa County   2 alerts
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
WIY.gif   WIND ADVISORY  
  Areas affected: North Bay Interior Mountains; Santa Cruz Mountains; Eastern Santa Clara Hills; East Bay Hills
Effective: May 17 9:24 pm Expired: May 18 11:00 am Duration: 13 hrs   36 mins  
Glenn County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
San Joaquin County   2 alerts
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
WIY.gif   WIND ADVISORY  
  Areas affected: Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta
Effective: May 17 7:51 pm Expired: May 18 8:00 am Duration: 12 hrs   09 mins  
Shasta County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Solano County   2 alerts
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
WIY.gif   WIND ADVISORY  
  Areas affected: Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta
Effective: May 17 7:51 pm Expired: May 18 8:00 am Duration: 12 hrs   09 mins  
Stanislaus County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Sutter County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Tehama County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Tuolumne County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Yuba County
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
Yolo County   2 alerts
FWW.gif   RED FLAG WARNING  
  Areas affected: South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: May 17 12:07 pm Expired: May 18 4:00 pm Duration: 1 day   3 hrs   53 mins  
WIY.gif   WIND ADVISORY  
  Areas affected: Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta
Effective: May 17 7:51 pm Expired: May 18 8:00 am Duration: 12 hrs   09 mins  
Alameda County
WIY.gif   WIND ADVISORY  
  Areas affected: North Bay Interior Mountains; Santa Cruz Mountains; Eastern Santa Clara Hills; East Bay Hills
Effective: May 17 9:24 pm Expired: May 18 11:00 am Duration: 13 hrs   36 mins  
Napa County   2 alerts
WIY.gif   WIND ADVISORY  
  Areas affected: North Bay Interior Mountains; Santa Cruz Mountains; Eastern Santa Clara Hills; East Bay Hills
Effective: May 17 9:24 pm Expired: May 18 11:00 am Duration: 13 hrs   36 mins  
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 5:53 am Expired: May 18 12:45 pm Duration: 6 hrs   52 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
San Mateo County   2 alerts
WIY.gif   WIND ADVISORY  
  Areas affected: North Bay Interior Mountains; Santa Cruz Mountains; Eastern Santa Clara Hills; East Bay Hills
Effective: May 17 9:24 pm Expired: May 18 11:00 am Duration: 13 hrs   36 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 18 5:53 am Expired: May 18 9:00 am Duration: 3 hrs   07 mins  
Santa Clara County
WIY.gif   WIND ADVISORY  
  Areas affected: North Bay Interior Mountains; Santa Cruz Mountains; Eastern Santa Clara Hills; East Bay Hills
Effective: May 17 9:24 pm Expired: May 18 11:00 am Duration: 13 hrs   36 mins  
Santa Cruz County   2 alerts
WIY.gif   WIND ADVISORY  
  Areas affected: North Bay Interior Mountains; Santa Cruz Mountains; Eastern Santa Clara Hills; East Bay Hills
Effective: May 17 9:24 pm Expired: May 18 11:00 am Duration: 13 hrs   36 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 18 5:53 am Expired: May 18 9:00 am Duration: 3 hrs   07 mins  
Sonoma County   3 alerts
WIY.gif   WIND ADVISORY  
  Areas affected: North Bay Interior Mountains; Santa Cruz Mountains; Eastern Santa Clara Hills; East Bay Hills
Effective: May 17 9:24 pm Expired: May 18 11:00 am Duration: 13 hrs   36 mins  
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 5:53 am Expired: May 18 12:45 pm Duration: 6 hrs   52 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 18 5:53 am Expired: May 18 9:00 am Duration: 3 hrs   07 mins  
Fresno County   2 alerts
LWY.gif   LAKE WIND ADVISORY   (2 updates)
  Areas affected: West Side Mountains north of 198
Effective: May 17 10:50 pm Expired: May 18 8:00 am Duration: 9 hrs   10 mins  
  Areas affected: West Side Mountains north of 198
Effective: May 18 7:33 am Expired: May 18 8:45 am Duration: 1 hr   12 mins  
FWW.gif   RED FLAG WARNING   (2 updates)
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 17 10:48 pm Expired: May 18 7:00 am Duration: 8 hrs   12 mins  
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 18 6:48 am Expired: May 18 3:00 pm Duration: 8 hrs   12 mins  
Merced County   2 alerts
LWY.gif   LAKE WIND ADVISORY   (2 updates)
  Areas affected: West Side Mountains north of 198
Effective: May 17 10:50 pm Expired: May 18 8:00 am Duration: 9 hrs   10 mins  
  Areas affected: West Side Mountains north of 198
Effective: May 18 7:33 am Expired: May 18 8:45 am Duration: 1 hr   12 mins  
FWW.gif   RED FLAG WARNING   (2 updates)
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 17 10:48 pm Expired: May 18 7:00 am Duration: 8 hrs   12 mins  
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 18 6:48 am Expired: May 18 3:00 pm Duration: 8 hrs   12 mins  
Kern County
FWW.gif   RED FLAG WARNING   (2 updates)
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 17 10:48 pm Expired: May 18 7:00 am Duration: 8 hrs   12 mins  
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 18 6:48 am Expired: May 18 3:00 pm Duration: 8 hrs   12 mins  
Kings County
FWW.gif   RED FLAG WARNING   (2 updates)
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 17 10:48 pm Expired: May 18 7:00 am Duration: 8 hrs   12 mins  
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 18 6:48 am Expired: May 18 3:00 pm Duration: 8 hrs   12 mins  
Madera County
FWW.gif   RED FLAG WARNING   (2 updates)
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 17 10:48 pm Expired: May 18 7:00 am Duration: 8 hrs   12 mins  
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 18 6:48 am Expired: May 18 3:00 pm Duration: 8 hrs   12 mins  
Mariposa County
FWW.gif   RED FLAG WARNING   (2 updates)
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 17 10:48 pm Expired: May 18 7:00 am Duration: 8 hrs   12 mins  
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 18 6:48 am Expired: May 18 3:00 pm Duration: 8 hrs   12 mins  
Tulare County
FWW.gif   RED FLAG WARNING   (2 updates)
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 17 10:48 pm Expired: May 18 7:00 am Duration: 8 hrs   12 mins  
  Areas affected: West Side Hills; San Joaquin Valley
Effective: May 18 6:48 am Expired: May 18 3:00 pm Duration: 8 hrs   12 mins  
Imperial County
WIY.gif   WIND ADVISORY   (5 updates)
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 17 10:57 pm Expired: May 18 11:00 am Duration: 12 hrs   03 mins  
  Areas affected: Imperial County Southwest
Effective: May 17 10:57 pm Expired: May 18 1:00 am Duration: 2 hrs   03 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 18 12:35 am Expired: May 18 11:00 am Duration: 10 hrs   25 mins  
  Areas affected: Imperial County Southwest
Effective: May 18 12:35 am Expired: May 18 2:00 am Duration: 1 hr   25 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 18 1:48 am Expired: May 18 11:00 am Duration: 9 hrs   12 mins  
Riverside County   2 alerts
WIY.gif   WIND ADVISORY   (5 updates)
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 17 10:57 pm Expired: May 18 11:00 am Duration: 12 hrs   03 mins  
  Areas affected: San Gorgonio Pass Near Banning
Effective: May 17 9:44 pm Expired: May 18 3:00 am Duration: 5 hrs   16 mins  
  Areas affected: Riverside County Mountains; San Diego County Mountains; San Diego County Deserts
Effective: May 17 9:44 pm Expired: May 18 3:00 am Duration: 5 hrs   16 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 18 12:35 am Expired: May 18 11:00 am Duration: 10 hrs   25 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 18 1:48 am Expired: May 18 11:00 am Duration: 9 hrs   12 mins  
SPS.gif   AIR QUALITY ALERT  
  Areas affected: Coachella Valley; San Gorgonio Pass Near Banning
Effective: May 16 2:48 pm Expired: May 18 8:00 am Duration: 1 day   17 hrs   12 mins  
San Bernardino County   2 alerts
WIY.gif   WIND ADVISORY   (7 updates)
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 17 10:57 pm Expired: May 18 11:00 am Duration: 12 hrs   03 mins  
  Areas affected: Western Mojave Desert
Effective: May 17 10:36 pm Expired: May 18 5:00 am Duration: 6 hrs   24 mins  
  Areas affected: Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin
Effective: May 17 10:36 pm Expired: May 18 5:00 am Duration: 6 hrs   24 mins  
  Areas affected: San Bernardino County Mountains; Apple and Lucerne Valleys
Effective: May 17 9:44 pm Expired: May 18 3:00 am Duration: 5 hrs   16 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 18 12:35 am Expired: May 18 11:00 am Duration: 10 hrs   25 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Effective: May 18 1:48 am Expired: May 18 11:00 am Duration: 9 hrs   12 mins  
Winds have decreased across the area and the Wind Advisory has been
  Areas affected: Northwest Plateau; Hualapai Mountains; Northwest Deserts; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin
Effective: May 18 4:44 am Expired: May 18 5:45 am Duration: 1 hr   01 min  
HWW.gif   HIGH WIND WARNING   (2 updates)
  Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Lake Mead - NV side; Lake Mohave - NV side
Effective: May 17 10:36 pm Expired: May 18 5:00 am Duration: 6 hrs   24 mins  
  Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Lake Mead - NV side; Lake Mohave - NV side
Effective: May 18 4:44 am Expired: May 18 11:00 am Duration: 6 hrs   16 mins  
Inyo County
HWW.gif   HIGH WIND WARNING   (2 updates)
  Areas affected: Eastern Sierra Slopes of Inyo County; White Mountains of Inyo County; Death Valley National Park; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County
Effective: May 17 10:36 pm Expired: May 18 5:00 am Duration: 6 hrs   24 mins  
Winds have decreased across the area and the High Wind Warning will
  Areas affected: Eastern Sierra Slopes of Inyo County; White Mountains of Inyo County; Death Valley National Park; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Sheep Range; Spring Mountains-Red Rock Canyon; Las Vegas Valley; Southern Clark County
Effective: May 18 4:44 am Expired: May 18 5:45 am Duration: 1 hr   01 min  
Los Angeles County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 5:53 am Expired: May 18 12:45 pm Duration: 6 hrs   52 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 18 5:53 am Expired: May 18 9:00 am Duration: 3 hrs   07 mins  
Marin County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 5:53 am Expired: May 18 12:45 pm Duration: 6 hrs   52 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 18 5:53 am Expired: May 18 9:00 am Duration: 3 hrs   07 mins  
Monterey County
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 18 5:53 am Expired: May 18 9:00 am Duration: 3 hrs   07 mins  
San Francisco County
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 17 10:16 pm Expired: May 18 6:30 am Duration: 8 hrs   14 mins  
  Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Effective: May 18 5:53 am Expired: May 18 9:00 am Duration: 3 hrs   07 mins  
Orange County
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: May 17 9:59 pm Expired: May 18 6:00 am Duration: 8 hrs   01 min  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: May 18 1:26 am Expired: May 18 9:00 am Duration: 7 hrs   34 mins  
San Diego County   2 alerts
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: May 17 9:59 pm Expired: May 18 6:00 am Duration: 8 hrs   01 min  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: May 18 1:26 am Expired: May 18 9:00 am Duration: 7 hrs   34 mins  
WIY.gif   WIND ADVISORY  
  Areas affected: Riverside County Mountains; San Diego County Mountains; San Diego County Deserts
Effective: May 17 9:44 pm Expired: May 18 3:00 am Duration: 5 hrs   16 mins  
San Luis Obispo County
SUY.gif   HIGH SURF ADVISORY   (2 updates)
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: May 17 1:02 pm Expired: May 18 9:00 am Duration: 19 hrs   58 mins  
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: May 18 7:02 am Expired: May 18 9:00 am Duration: 1 hr   58 mins  
Santa Barbara County   2 alerts
SUY.gif   HIGH SURF ADVISORY   (2 updates)
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: May 17 1:02 pm Expired: May 18 9:00 am Duration: 19 hrs   58 mins  
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: May 18 7:02 am Expired: May 18 9:00 am Duration: 1 hr   58 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: May 17 1:02 pm Expired: May 18 9:00 am Duration: 19 hrs   58 mins  
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: May 18 7:02 am Expired: May 18 9:00 am Duration: 1 hr   58 mins  
Ventura County   2 alerts
SUY.gif   HIGH SURF ADVISORY   (2 updates)
  Areas affected: Ventura County Beaches
Effective: May 17 1:02 pm Expired: May 18 9:00 am Duration: 19 hrs   58 mins  
  Areas affected: Ventura County Beaches
Effective: May 18 7:02 am Expired: May 18 9:00 am Duration: 1 hr   58 mins  
WIY.gif   WIND ADVISORY   (2 updates)
  Areas affected: Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: May 17 12:55 pm Expired: May 18 3:00 pm Duration: 1 day   2 hrs   05 mins  
  Areas affected: Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: May 18 2:05 am Expired: May 18 3:00 pm Duration: 12 hrs   55 mins  
Humboldt County
FRY.gif   FROST ADVISORY  
  Areas affected: Southwestern Humboldt; Southeastern Interior Humboldt; Southern Trinity; Northwestern and Central Trinity; Northeastern Trinity
Effective: May 18 1:46 am Expired: May 18 8:00 am Duration: 6 hrs   14 mins  
Trinity County
FRY.gif   FROST ADVISORY  
  Areas affected: Southwestern Humboldt; Southeastern Interior Humboldt; Southern Trinity; Northwestern and Central Trinity; Northeastern Trinity
Effective: May 18 1:46 am Expired: May 18 8:00 am Duration: 6 hrs   14 mins  


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