Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Contra Costa County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Los Angeles County 2 alerts
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
BEACH HAZARDS STATEMENT
Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Marin County 2 alerts
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
BEACH HAZARDS STATEMENT
Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Napa County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
San Mateo County 2 alerts
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
BEACH HAZARDS STATEMENT
Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Santa Clara County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Sonoma County 2 alerts
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
BEACH HAZARDS STATEMENT
Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Del Norte County
BEACH HAZARDS STATEMENT
Areas affected: Coastal Del Norte; Northern Humboldt Coast; Southwestern Humboldt; Mendocino Coast
Effective: Dec 1 10:22 pm
Expired: Dec 2 10:00 am
Duration: 11 hrs 38 mins
Humboldt County
BEACH HAZARDS STATEMENT
Areas affected: Coastal Del Norte; Northern Humboldt Coast; Southwestern Humboldt; Mendocino Coast
Effective: Dec 1 10:22 pm
Expired: Dec 2 10:00 am
Duration: 11 hrs 38 mins
Fresno County
DENSE FOG ADVISORY
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
Kern County 2 alerts
DENSE FOG ADVISORY
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
FREEZE WARNING
Areas affected: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
Kings County
DENSE FOG ADVISORY
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
Madera County
DENSE FOG ADVISORY
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
Mariposa County
DENSE FOG ADVISORY
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
Merced County
DENSE FOG ADVISORY
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
Tulare County
DENSE FOG ADVISORY
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: Dec 1 6:30 pm
Expired: Dec 2 3:00 am
Duration: 8 hrs 30 mins
Inyo County
FREEZE WARNING
Areas affected: Death Valley National Park
Effective: Dec 1 12:33 pm
Expired: Dec 2 1:15 am
Duration: 12 hrs 42 mins
Santa Cruz County 2 alerts
BEACH HAZARDS STATEMENT (2 updates)
Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
COASTAL FLOOD ADVISORY
Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Monterey County 2 alerts
BEACH HAZARDS STATEMENT
Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
COASTAL FLOOD ADVISORY
Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
San Francisco County 2 alerts
BEACH HAZARDS STATEMENT
Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
COASTAL FLOOD ADVISORY
Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Dec 1 6:47 pm
Expired: Dec 2 9:30 am
Duration: 14 hrs 43 mins
Orange County 2 alerts
BEACH HAZARDS STATEMENT
Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Dec 1 12:12 pm
Expired: Dec 2 3:15 am
Duration: 15 hrs 03 mins
AIR QUALITY ALERT
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Dec 1 11:27 am
Expired: Dec 2 11:30 am
Duration: 1 day 0 hrs 03 mins
San Diego County
BEACH HAZARDS STATEMENT
Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Dec 1 12:12 pm
Expired: Dec 2 3:15 am
Duration: 15 hrs 03 mins
Riverside County
AIR QUALITY ALERT
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Dec 1 11:27 am
Expired: Dec 2 11:30 am
Duration: 1 day 0 hrs 03 mins
San Bernardino County
AIR QUALITY ALERT
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Dec 1 11:27 am
Expired: Dec 2 11:30 am
Duration: 1 day 0 hrs 03 mins
San Luis Obispo County 2 alerts
FREEZE WARNING
Areas affected: San Luis Obispo County Interior Valleys
Effective: Dec 1 11:01 pm
Expired: Dec 2 8:00 am
Duration: 8 hrs 59 mins
HIGH SURF ADVISORY
Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: Dec 1 7:11 pm
Expired: Dec 2 4:30 am
Duration: 9 hrs 19 mins
Santa Barbara County 3 alerts
HIGH SURF ADVISORY
Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: Dec 1 7:11 pm
Expired: Dec 2 4:30 am
Duration: 9 hrs 19 mins
BEACH HAZARDS STATEMENT
Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Malibu Coast; Los Angeles County Beaches
Effective: Dec 1 7:11 pm
Expired: Dec 2 4:30 am
Duration: 9 hrs 19 mins
FROST ADVISORY
Areas affected: Cuyama Valley
Effective: Dec 1 11:01 pm
Expired: Dec 2 8:00 am
Duration: 8 hrs 59 mins
Ventura County 3 alerts
COASTAL FLOOD ADVISORY
Areas affected: Ventura County Beaches
Effective: Dec 1 7:11 pm
Expired: Dec 2 4:30 am
Duration: 9 hrs 19 mins
HIGH SURF ADVISORY
Areas affected: Ventura County Beaches
Effective: Dec 1 7:11 pm
Expired: Dec 2 4:30 am
Duration: 9 hrs 19 mins
AIR QUALITY ALERT
Areas affected: Calabasas and Agoura Hills; Catalina and Santa Barbara Islands; Eastern San Fernando Valley; Eastern Santa Monica Mountains Recreational Area; Los Angeles County Beaches; Los Angeles County Inland Coast including Downtown Los Angeles; Los Angeles County San Gabriel Valley; Malibu Coast; Palos Verdes Hills; Santa Clarita Valley; Santa Susana Mountains; Western San Fernando Valley; Western Santa Monica Mountains Recreational Area
Effective: Dec 1 11:40 am
Expired: Dec 3 12:00 am
Duration: 1 day 12 hrs 20 mins
Mendocino County
BEACH HAZARDS STATEMENT
Areas affected: Coastal Del Norte; Northern Humboldt Coast; Southwestern Humboldt; Mendocino Coast
COASTAL FLOOD ADVISORY 
BEACH HAZARDS STATEMENT 
DENSE FOG ADVISORY 
FREEZE WARNING 
HIGH SURF ADVISORY 
FROST ADVISORY 
