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

Updates Every 15 Minutes
Spacer GifLast Update:October 13, 2026 - 7:00 am PDT
Alameda County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco Bay Shoreline
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Contra Costa County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco Bay Shoreline
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
San Mateo County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco Bay Shoreline
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Santa Clara County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco Bay Shoreline
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Humboldt County
FRY.gif   FROST ADVISORY   (2 updates)
  Areas affected: Northern Coastal Humboldt; Southwestern Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Western Lake
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Northern Coastal Humboldt; Southwestern Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Western Lake
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
Lake County   2 alerts
FRY.gif   FROST ADVISORY   (4 updates)
  Areas affected: Northern Coastal Humboldt; Southwestern Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Western Lake
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Northern Coastal Humboldt; Southwestern Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Western Lake
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
FZW.gif   FREEZE WARNING   (2 updates)
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
Mendocino County   2 alerts
FRY.gif   FROST ADVISORY   (4 updates)
  Areas affected: Northern Coastal Humboldt; Southwestern Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Western Lake
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Northern Coastal Humboldt; Southwestern Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Western Lake
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
FZW.gif   FREEZE WARNING   (2 updates)
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
Inyo County
FZW.gif   FREEZE WARNING  
  Areas affected: Owens Valley North
Effective: Oct 12 11:16 pm Expired: Oct 13 10:00 am Duration: 10 hrs   44 mins  
Trinity County   2 alerts
FRY.gif   FROST ADVISORY   (2 updates)
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
FZW.gif   FREEZE WARNING   (2 updates)
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
Northern Lake County   2 alerts
FRY.gif   FROST ADVISORY   (2 updates)
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
FZW.gif   FREEZE WARNING   (2 updates)
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 12 7:41 pm Expired: Oct 13 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: Oct 13 3:58 am Expired: Oct 13 8:00 am Duration: 4 hrs   02 mins  
Los Angeles County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: North Bay Interior Valleys
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Marin County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: North Bay Interior Valleys
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Napa County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: North Bay Interior Valleys
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Sonoma County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: North Bay Interior Valleys
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Monterey County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
San Francisco County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Santa Cruz County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 12 9:37 pm Expired: Oct 13 5:45 am Duration: 8 hrs   08 mins  
  Areas affected: San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 13 4:57 am Expired: Oct 13 3:00 pm Duration: 10 hrs   03 mins  
Orange County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 12 9:48 pm Expired: Oct 13 6:00 am Duration: 8 hrs   12 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 13 2:04 am Expired: Oct 13 2:00 pm Duration: 11 hrs   56 mins  
San Diego County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 12 9:48 pm Expired: Oct 13 6:00 am Duration: 8 hrs   12 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 13 2:04 am Expired: Oct 13 2:00 pm Duration: 11 hrs   56 mins  
Santa Barbara County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: Oct 12 8:40 pm Expired: Oct 13 11:00 am Duration: 14 hrs   20 mins  
Ventura County   2 alerts
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Ventura County Beaches
Effective: Oct 12 8:40 pm Expired: Oct 13 11:00 am Duration: 14 hrs   20 mins  
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: Ventura County Beaches
Effective: Oct 12 8:40 pm Expired: Oct 13 11:00 am Duration: 14 hrs   20 mins  


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