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

Updates Every 15 Minutes
Spacer GifLast Update:December 13, 2025 - 8:00 am PDT
Alameda County
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 12 8:06 pm Expired: Dec 13 5:00 am Duration: 8 hrs   54 mins  
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 13 4:31 am Expired: Dec 13 11:00 am Duration: 6 hrs   29 mins  
Contra Costa County
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 12 8:06 pm Expired: Dec 13 5:00 am Duration: 8 hrs   54 mins  
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 13 4:31 am Expired: Dec 13 11:00 am Duration: 6 hrs   29 mins  
Los Angeles County
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 12 8:06 pm Expired: Dec 13 5:00 am Duration: 8 hrs   54 mins  
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 13 4:31 am Expired: Dec 13 11:00 am Duration: 6 hrs   29 mins  
Marin County
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 12 8:06 pm Expired: Dec 13 5:00 am Duration: 8 hrs   54 mins  
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 13 4:31 am Expired: Dec 13 11:00 am Duration: 6 hrs   29 mins  
Napa County
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 12 8:06 pm Expired: Dec 13 5:00 am Duration: 8 hrs   54 mins  
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 13 4:31 am Expired: Dec 13 11:00 am Duration: 6 hrs   29 mins  
Sonoma County
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 12 8:06 pm Expired: Dec 13 5:00 am Duration: 8 hrs   54 mins  
Areas affected: North Bay Interior Valleys; East Bay Interior Valleys
Effective: Dec 13 4:31 am Expired: Dec 13 11:00 am Duration: 6 hrs   29 mins  
Fresno County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 12 6:54 pm Expired: Dec 13 3:00 am Duration: 8 hrs   06 mins  
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
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; Bakersfield; Southeast San Joaquin Valley
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
Kern County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 12 6:54 pm Expired: Dec 13 3:00 am Duration: 8 hrs   06 mins  
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
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; Bakersfield; Southeast San Joaquin Valley
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
Kings County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 12 6:54 pm Expired: Dec 13 3:00 am Duration: 8 hrs   06 mins  
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
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; Bakersfield; Southeast San Joaquin Valley
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
Madera County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 12 6:54 pm Expired: Dec 13 3:00 am Duration: 8 hrs   06 mins  
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
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; Bakersfield; Southeast San Joaquin Valley
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
Mariposa County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 12 6:54 pm Expired: Dec 13 3:00 am Duration: 8 hrs   06 mins  
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
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; Bakersfield; Southeast San Joaquin Valley
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
Merced County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 12 6:54 pm Expired: Dec 13 3:00 am Duration: 8 hrs   06 mins  
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
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; Bakersfield; Southeast San Joaquin Valley
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
Tulare County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 12 6:54 pm Expired: Dec 13 3:00 am Duration: 8 hrs   06 mins  
Areas affected: West Side Mountains north of 198; Coalinga - Avenal; West Side Mountains South of 198; Buena Vista; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
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; Bakersfield; Southeast San Joaquin Valley
Effective: Dec 13 12:08 am Expired: Dec 13 11:00 am Duration: 10 hrs   52 mins  
Orange County   2 alerts
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Dec 12 8:29 pm Expired: Dec 13 5:45 am Duration: 9 hrs   16 mins  
Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Dec 13 5:27 am Expired: Dec 13 10:00 am Duration: 4 hrs   33 mins  
SPS.gif   AIR QUALITY ALERT  
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; Santa Ana Mountains and Foothills; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Dec 12 11:54 am Expired: Dec 14 12:00 am Duration: 1 day   12 hrs   06 mins  
San Diego County   2 alerts
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Dec 12 8:29 pm Expired: Dec 13 5:45 am Duration: 9 hrs   16 mins  
Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Dec 13 5:27 am Expired: Dec 13 10:00 am Duration: 4 hrs   33 mins  
SPS.gif   AIR QUALITY ALERT  
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; Santa Ana Mountains and Foothills; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Dec 12 11:54 am Expired: Dec 14 12:00 am Duration: 1 day   12 hrs   06 mins  
Riverside County
SPS.gif   AIR QUALITY ALERT  
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; Santa Ana Mountains and Foothills; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Dec 12 11:54 am Expired: Dec 14 12:00 am Duration: 1 day   12 hrs   06 mins  
San Bernardino County
SPS.gif   AIR QUALITY ALERT  
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; Santa Ana Mountains and Foothills; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Dec 12 11:54 am Expired: Dec 14 12:00 am Duration: 1 day   12 hrs   06 mins  
San Luis Obispo County
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Dec 12 11:24 pm Expired: Dec 13 10:00 am Duration: 10 hrs   36 mins  
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Dec 13 5:40 am Expired: Dec 13 10:00 am Duration: 4 hrs   20 mins  
Santa Barbara County
FGY.gif   DENSE FOG ADVISORY   (3 updates)
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Dec 12 11:24 pm Expired: Dec 13 10:00 am Duration: 10 hrs   36 mins  
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Dec 13 5:40 am Expired: Dec 13 10:00 am Duration: 4 hrs   20 mins  
Areas affected: Santa Ynez Valley
Effective: Dec 13 5:40 am Expired: Dec 13 10:00 am Duration: 4 hrs   20 mins  
Ventura County   2 alerts
FGY.gif   DENSE FOG ADVISORY   (2 updates)
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Dec 12 11:24 pm Expired: Dec 13 10:00 am Duration: 10 hrs   36 mins  
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Dec 13 5:40 am Expired: Dec 13 10:00 am Duration: 4 hrs   20 mins  
SPS.gif   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 12 12:45 pm Expired: Dec 14 12:00 am Duration: 1 day   11 hrs   15 mins  




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