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

Updates Every 15 Minutes
Spacer GifLast Update:August 13, 2026 - 7:00 am PDT
El Dorado County   2 alerts
FWA.gif   FIRE WEATHER WATCH  
  Areas affected: Greater Lake Tahoe and Truckee Area
Effective: Aug 12 12:22 pm Expired: Aug 13 1:45 pm Duration: 1 day   1 hr   23 mins  
FWW.gif   RED FLAG WARNING  
The National Weather Service in Sacramento has issued a Red Flag
  Areas affected: Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
Effective: Aug 12 11:04 am Expired: Aug 13 5:00 pm Duration: 1 day   5 hrs   56 mins  
Placer County
FWA.gif   FIRE WEATHER WATCH  
  Areas affected: Greater Lake Tahoe and Truckee Area
Effective: Aug 12 12:22 pm Expired: Aug 13 1:45 pm Duration: 1 day   1 hr   23 mins  
Nevada County
FWA.gif   FIRE WEATHER WATCH  
  Areas affected: Greater Lake Tahoe and Truckee Area
Effective: Aug 12 12:22 pm Expired: Aug 13 1:45 pm Duration: 1 day   1 hr   23 mins  
Alpine County   2 alerts
FWA.gif   FIRE WEATHER WATCH  
  Areas affected: Greater Lake Tahoe and Truckee Area
Effective: Aug 12 12:22 pm Expired: Aug 13 1:45 pm Duration: 1 day   1 hr   23 mins  
FWW.gif   RED FLAG WARNING  
The National Weather Service in Sacramento has issued a Red Flag
  Areas affected: Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
Effective: Aug 12 11:04 am Expired: Aug 13 5:00 pm Duration: 1 day   5 hrs   56 mins  
Sierra County
FWA.gif   FIRE WEATHER WATCH  
  Areas affected: Greater Lake Tahoe and Truckee Area
Effective: Aug 12 12:22 pm Expired: Aug 13 1:45 pm Duration: 1 day   1 hr   23 mins  
Amador County
FWW.gif   RED FLAG WARNING  
The National Weather Service in Sacramento has issued a Red Flag
  Areas affected: Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
Effective: Aug 12 11:04 am Expired: Aug 13 5:00 pm Duration: 1 day   5 hrs   56 mins  
Calaveras County
FWW.gif   RED FLAG WARNING  
The National Weather Service in Sacramento has issued a Red Flag
  Areas affected: Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
Effective: Aug 12 11:04 am Expired: Aug 13 5:00 pm Duration: 1 day   5 hrs   56 mins  
Tuolumne County
FWW.gif   RED FLAG WARNING  
The National Weather Service in Sacramento has issued a Red Flag
  Areas affected: Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
Effective: Aug 12 11:04 am Expired: Aug 13 5:00 pm Duration: 1 day   5 hrs   56 mins  
Alameda County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Contra Costa County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Los Angeles County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Marin County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Monterey County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Napa County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
San Francisco County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
San Mateo County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Santa Clara County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Santa Cruz County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Sonoma County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Aug 11 11:14 pm Expired: Aug 13 2:00 am Duration: 1 day   2 hrs   46 mins  
Humboldt County
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: Northern Coastal Humboldt
Effective: Aug 12 1:31 pm Expired: Aug 13 1:00 am Duration: 11 hrs   29 mins  
Mono County
FFA.gif   FLOOD WATCH   (2 updates)
  Areas affected: Mono; Mineral and Southern Lyon Counties
Effective: Aug 12 8:19 am Expired: Aug 13 11:15 am Duration: 1 day   2 hrs   56 mins  
  Areas affected: Mono; Mineral and Southern Lyon Counties
Effective: Aug 13 4:06 am Expired: Aug 13 9:00 pm Duration: 16 hrs   54 mins  
Fresno County
SPS.gif   SPECIAL WEATHER STATEMENT   (2 updates)
At 1222 AM PDT, Doppler radar was tracking a strong thunderstorm 9
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:23 am Expired: Aug 13 1:00 am Duration: 0 hrs   37 mins  
At 1259 AM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:59 am Expired: Aug 13 1:30 am Duration: 0 hrs   31 mins  
Madera County
SPS.gif   SPECIAL WEATHER STATEMENT   (2 updates)
At 1222 AM PDT, Doppler radar was tracking a strong thunderstorm 9
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:23 am Expired: Aug 13 1:00 am Duration: 0 hrs   37 mins  
At 1259 AM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:59 am Expired: Aug 13 1:30 am Duration: 0 hrs   31 mins  
Mariposa County
SPS.gif   SPECIAL WEATHER STATEMENT   (2 updates)
At 1222 AM PDT, Doppler radar was tracking a strong thunderstorm 9
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:23 am Expired: Aug 13 1:00 am Duration: 0 hrs   37 mins  
At 1259 AM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:59 am Expired: Aug 13 1:30 am Duration: 0 hrs   31 mins  
Merced County
SPS.gif   SPECIAL WEATHER STATEMENT   (2 updates)
At 1222 AM PDT, Doppler radar was tracking a strong thunderstorm 9
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:23 am Expired: Aug 13 1:00 am Duration: 0 hrs   37 mins  
At 1259 AM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Aug 13 12:59 am Expired: Aug 13 1:30 am Duration: 0 hrs   31 mins  


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