Alameda County

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

Contra Costa County

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

Los Angeles County   2 alerts

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

COLD WEATHER ADVISORY   Areas affected: North Bay Interior Valleys Effective: Dec 4 3:49 am Expired: Dec 4 8:00 am Duration: 4 hrs   11 mins

Marin County   2 alerts

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

COLD WEATHER ADVISORY   (2 updates) Areas affected: North Bay Interior Valleys Effective: Dec 4 3:49 am Expired: Dec 4 8:00 am Duration: 4 hrs   11 mins   Temperatures are rising above Cold Weather Advisory criteria. Therefore, the Cold Weather Advisory will be allowed to expire. However, the coldest locations may see temperatures below 36 degrees Areas affected: North Bay Interior Valleys Effective: Dec 4 7:42 am Expired: Dec 4 8:45 am Duration: 1 hr   03 mins

Napa County   2 alerts

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

COLD WEATHER ADVISORY   (2 updates) Areas affected: North Bay Interior Valleys Effective: Dec 4 3:49 am Expired: Dec 4 8:00 am Duration: 4 hrs   11 mins   Temperatures are rising above Cold Weather Advisory criteria. Therefore, the Cold Weather Advisory will be allowed to expire. However, the coldest locations may see temperatures below 36 degrees Areas affected: North Bay Interior Valleys Effective: Dec 4 7:42 am Expired: Dec 4 8:45 am Duration: 1 hr   03 mins

San Mateo County

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

Santa Clara County

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

Sonoma County   2 alerts

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

COLD WEATHER ADVISORY   (2 updates) Areas affected: North Bay Interior Valleys Effective: Dec 4 3:49 am Expired: Dec 4 8:00 am Duration: 4 hrs   11 mins   Temperatures are rising above Cold Weather Advisory criteria. Therefore, the Cold Weather Advisory will be allowed to expire. However, the coldest locations may see temperatures below 36 degrees Areas affected: North Bay Interior Valleys Effective: Dec 4 7:42 am Expired: Dec 4 8:45 am Duration: 1 hr   03 mins

Del Norte County

FROST ADVISORY   (2 updates) Areas affected: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Southwestern Mendocino Interior; Southeastern Mendocino Interior Effective: Dec 3 9:16 pm Expired: Dec 4 6:15 am Duration: 8 hrs   59 mins   Areas affected: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Southwestern Mendocino Interior; Southeastern Mendocino Interior Effective: Dec 4 6:00 am Expired: Dec 4 9:00 am Duration: 3 hrs   00 mins

Humboldt County   2 alerts

FROST ADVISORY   (2 updates) Areas affected: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Southwestern Mendocino Interior; Southeastern Mendocino Interior Effective: Dec 3 9:16 pm Expired: Dec 4 6:15 am Duration: 8 hrs   59 mins   Areas affected: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Southwestern Mendocino Interior; Southeastern Mendocino Interior Effective: Dec 4 6:00 am Expired: Dec 4 9:00 am Duration: 3 hrs   00 mins

COASTAL FLOOD ADVISORY   (5 updates) Areas affected: Northern Humboldt Coast Effective: Dec 3 8:01 pm Expired: Dec 4 4:15 am Duration: 8 hrs   14 mins   Areas affected: Northern Humboldt Coast Effective: Dec 4 6:52 am Expired: Dec 4 12:00 pm Duration: 5 hrs   08 mins   Areas affected: Northern Humboldt Coast Effective: Dec 4 11:44 am Expired: Dec 4 12:45 pm Duration: 1 hr   01 min   Areas affected: Northern Humboldt Coast Effective: Dec 4 12:15 pm Expired: Dec 4 8:15 pm Duration: 8 hrs   00 mins   Areas affected: Northern Humboldt Coast Effective: Dec 4 8:15 pm Expired: Dec 5 4:15 am Duration: 8 hrs   00 mins

Mendocino County

FROST ADVISORY   (2 updates) Areas affected: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Southwestern Mendocino Interior; Southeastern Mendocino Interior Effective: Dec 3 9:16 pm Expired: Dec 4 6:15 am Duration: 8 hrs   59 mins   Areas affected: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Southwestern Mendocino Interior; Southeastern Mendocino Interior Effective: Dec 4 6:00 am Expired: Dec 4 9:00 am Duration: 3 hrs   00 mins

Fresno County

COLD WEATHER ADVISORY   (3 updates) Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 3 10:44 pm Expired: Dec 4 9:00 am Duration: 10 hrs   16 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 3:19 am Expired: Dec 4 9:00 am Duration: 5 hrs   41 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 8:37 am Expired: Dec 4 9:45 am Duration: 1 hr   08 mins

Kern County   2 alerts

COLD WEATHER ADVISORY   (3 updates) Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 3 10:44 pm Expired: Dec 4 9:00 am Duration: 10 hrs   16 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 3:19 am Expired: Dec 4 9:00 am Duration: 5 hrs   41 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 8:37 am Expired: Dec 4 9:45 am Duration: 1 hr   08 mins

DENSE FOG ADVISORY   (2 updates) Areas affected: Grapevine Effective: Dec 4 3:19 am Expired: Dec 4 11:00 am Duration: 7 hrs   41 mins   Areas affected: Grapevine Effective: Dec 4 8:37 am Expired: Dec 4 11:00 am Duration: 2 hrs   23 mins

Madera County

COLD WEATHER ADVISORY   (3 updates) Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 3 10:44 pm Expired: Dec 4 9:00 am Duration: 10 hrs   16 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 3:19 am Expired: Dec 4 9:00 am Duration: 5 hrs   41 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 8:37 am Expired: Dec 4 9:45 am Duration: 1 hr   08 mins

Mariposa County

COLD WEATHER ADVISORY   (3 updates) Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 3 10:44 pm Expired: Dec 4 9:00 am Duration: 10 hrs   16 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 3:19 am Expired: Dec 4 9:00 am Duration: 5 hrs   41 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 8:37 am Expired: Dec 4 9:45 am Duration: 1 hr   08 mins

Tulare County

COLD WEATHER ADVISORY   (3 updates) Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 3 10:44 pm Expired: Dec 4 9:00 am Duration: 10 hrs   16 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 3:19 am Expired: Dec 4 9:00 am Duration: 5 hrs   41 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 8:37 am Expired: Dec 4 9:45 am Duration: 1 hr   08 mins

Tuolumne County

COLD WEATHER ADVISORY   (3 updates) Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 3 10:44 pm Expired: Dec 4 9:00 am Duration: 10 hrs   16 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 3:19 am Expired: Dec 4 9:00 am Duration: 5 hrs   41 mins   Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra Effective: Dec 4 8:37 am Expired: Dec 4 9:45 am Duration: 1 hr   08 mins

Orange County

BEACH HAZARDS STATEMENT   (4 updates) Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 3 9:53 pm Expired: Dec 4 6:15 am Duration: 8 hrs   22 mins   Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 4 1:14 am Expired: Dec 4 2:30 pm Duration: 13 hrs   16 mins   Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 4 1:46 pm Expired: Dec 4 10:30 pm Duration: 8 hrs   44 mins   Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 4 9:54 pm Expired: Dec 5 6:15 am Duration: 8 hrs   21 mins

San Diego County

BEACH HAZARDS STATEMENT   (4 updates) Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 3 9:53 pm Expired: Dec 4 6:15 am Duration: 8 hrs   22 mins   Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 4 1:14 am Expired: Dec 4 2:30 pm Duration: 13 hrs   16 mins   Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 4 1:46 pm Expired: Dec 4 10:30 pm Duration: 8 hrs   44 mins   Areas affected: San Diego County Coastal Areas; Orange County Coastal Effective: Dec 4 9:54 pm Expired: Dec 5 6:15 am Duration: 8 hrs   21 mins

San Benito County

COLD WEATHER ADVISORY   (6 updates) Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 3 5:46 pm Expired: Dec 4 2:00 am Duration: 8 hrs   14 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 1:26 am Expired: Dec 4 3:15 pm Duration: 13 hrs   49 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 3:49 am Expired: Dec 4 8:00 am Duration: 4 hrs   11 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 7:42 am Expired: Dec 4 4:00 pm Duration: 8 hrs   18 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 3:41 pm Expired: Dec 5 2:00 am Duration: 10 hrs   19 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 5:06 pm Expired: Dec 5 8:00 am Duration: 14 hrs   54 mins

San Francisco County

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

Santa Cruz County

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

San Luis Obispo County   3 alerts

HIGH SURF ADVISORY   Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches Effective: Dec 3 3:33 pm Expired: Dec 4 3:00 am Duration: 11 hrs   27 mins

FREEZE WARNING   (4 updates) Areas affected: Southern Salinas Valley; San Luis Obispo County Interior Valleys; Antelope Valley Effective: Dec 3 1:09 pm Expired: Dec 4 1:15 am Duration: 12 hrs   06 mins   Areas affected: Southern Salinas Valley; San Luis Obispo County Interior Valleys; Antelope Valley Effective: Dec 4 1:31 am Expired: Dec 4 1:45 pm Duration: 12 hrs   14 mins   Areas affected: Southern Salinas Valley; San Luis Obispo County Interior Valleys; Antelope Valley Effective: Dec 4 12:33 pm Expired: Dec 5 4:15 am Duration: 15 hrs   42 mins   Areas affected: Southern Salinas Valley; San Luis Obispo County Interior Valleys; Antelope Valley Effective: Dec 4 7:19 pm Expired: Dec 5 8:00 am Duration: 12 hrs   41 mins

FREEZE WATCH   Areas affected: Southern Salinas Valley; San Luis Obispo County Interior Valleys; Antelope Valley Effective: Dec 4 1:31 am Expired: Dec 4 1:45 pm Duration: 12 hrs   14 mins

Santa Barbara County   3 alerts

HIGH SURF ADVISORY   Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches Effective: Dec 3 3:33 pm Expired: Dec 4 3:00 am Duration: 11 hrs   27 mins

BEACH HAZARDS STATEMENT   (3 updates) Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Malibu Coast; Los Angeles County Beaches Effective: Dec 3 3:33 pm Expired: Dec 4 8:00 am Duration: 16 hrs   27 mins   Areas affected: Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Malibu Coast; Los Angeles County Beaches Effective: Dec 4 2:59 am Expired: Dec 4 11:00 am Duration: 8 hrs   01 min   Areas affected: Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Malibu Coast; Los Angeles County Beaches Effective: Dec 4 11:58 am Expired: Dec 5 3:00 am Duration: 15 hrs   02 mins

FROST ADVISORY   (2 updates) Areas affected: Cuyama Valley; Ojai Valley; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills Effective: Dec 3 1:09 pm Expired: Dec 4 1:15 am Duration: 12 hrs   06 mins   Areas affected: Cuyama Valley; Ojai Valley; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills Effective: Dec 4 1:31 am Expired: Dec 4 8:00 am Duration: 6 hrs   29 mins

Ventura County   4 alerts

FROST ADVISORY   (3 updates) Areas affected: Cuyama Valley; Ojai Valley; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills Effective: Dec 3 1:09 pm Expired: Dec 4 1:15 am Duration: 12 hrs   06 mins   Areas affected: Cuyama Valley; Ojai Valley; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills Effective: Dec 4 1:31 am Expired: Dec 4 8:00 am Duration: 6 hrs   29 mins   Areas affected: Ojai Valley Effective: Dec 4 7:19 pm Expired: Dec 5 8:00 am Duration: 12 hrs   41 mins

HIGH SURF ADVISORY   (2 updates) Areas affected: Ventura County Beaches Effective: Dec 3 3:33 pm Expired: Dec 4 8:00 am Duration: 16 hrs   27 mins   Areas affected: Ventura County Beaches Effective: Dec 4 2:59 am Expired: Dec 4 11:00 am Duration: 8 hrs   01 min

WIND ADVISORY   (6 updates) Areas affected: Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains Effective: Dec 3 1:09 pm Expired: Dec 4 1:15 am Duration: 12 hrs   06 mins   Areas affected: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Southeastern Ventura County Valleys Effective: Dec 3 1:09 pm Expired: Dec 4 1:15 am Duration: 12 hrs   06 mins   Areas affected: Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains Effective: Dec 4 1:31 am Expired: Dec 4 1:45 pm Duration: 12 hrs   14 mins   Areas affected: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Southeastern Ventura County Valleys Effective: Dec 4 1:31 am Expired: Dec 4 1:45 pm Duration: 12 hrs   14 mins   Areas affected: Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains Effective: Dec 4 12:33 pm Expired: Dec 4 3:00 pm Duration: 2 hrs   27 mins   Areas affected: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Southeastern Ventura County Valleys Effective: Dec 4 12:33 pm Expired: Dec 4 3:00 pm Duration: 2 hrs   27 mins

BEACH HAZARDS STATEMENT   Areas affected: Ventura County Beaches Effective: Dec 4 11:58 am Expired: Dec 5 3:00 am Duration: 15 hrs   02 mins

Monterey County   2 alerts

COASTAL FLOOD ADVISORY   (3 updates) Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 3 9:39 pm Expired: Dec 4 5:45 am Duration: 8 hrs   06 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 5:04 am Expired: Dec 4 9:00 pm Duration: 15 hrs   56 mins   Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast Effective: Dec 4 12:02 pm Expired: Dec 5 5:00 am Duration: 16 hrs   58 mins

COLD WEATHER ADVISORY   (6 updates) Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 3 5:46 pm Expired: Dec 4 2:00 am Duration: 8 hrs   14 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 1:26 am Expired: Dec 4 3:15 pm Duration: 13 hrs   49 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 3:49 am Expired: Dec 4 8:00 am Duration: 4 hrs   11 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 7:42 am Expired: Dec 4 4:00 pm Duration: 8 hrs   18 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 3:41 pm Expired: Dec 5 2:00 am Duration: 10 hrs   19 mins   Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park Effective: Dec 4 5:06 pm Expired: Dec 5 8:00 am Duration: 14 hrs   54 mins

Mono County

AVALANCHE WATCH   AVAREV Areas affected: Mono Effective: Dec 4 12:50 am Expired: Dec 5 1:00 am Duration: 1 day   0 hrs   10 mins