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

Updates Every 15 Minutes
Spacer GifLast Update:October 31, 2026 - 7:00 am PDT
El Dorado County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 30 9:10 am Expired: Oct 31 4:00 pm Duration: 1 day   6 hrs   50 mins  
Placer County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 30 9:10 am Expired: Oct 31 4:00 pm Duration: 1 day   6 hrs   50 mins  
Nevada County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 30 9:10 am Expired: Oct 31 4:00 pm Duration: 1 day   6 hrs   50 mins  
Amador County
WWY.gif   WINTER WEATHER ADVISORY  
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
Alpine County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 30 9:10 am Expired: Oct 31 4:00 pm Duration: 1 day   6 hrs   50 mins  
Calaveras County
WWY.gif   WINTER WEATHER ADVISORY  
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
Sierra County
WWY.gif   WINTER WEATHER ADVISORY  
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
Tuolumne County
WWY.gif   WINTER WEATHER ADVISORY   (3 updates)
  Areas affected: Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; 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: Oct 30 2:19 pm Expired: Oct 31 5:00 pm Duration: 1 day   2 hrs   41 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 30 7:41 pm Expired: Oct 31 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 31 3:21 am Expired: Oct 31 11:30 am Duration: 8 hrs   09 mins  
Alameda County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Contra Costa County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Los Angeles County
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Marin County
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Monterey County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Napa County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
San Francisco County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
San Mateo County
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Santa Clara County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Santa Cruz County
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Sonoma County
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 30 3:58 pm Expired: Oct 31 5:00 am Duration: 13 hrs   02 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 4:45 am Expired: Oct 31 6:00 pm Duration: 13 hrs   15 mins  
Del Norte County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Effective: Oct 30 10:05 pm Expired: Oct 31 11:00 pm Duration: 1 day   0 hrs   55 mins  
Humboldt County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Effective: Oct 30 10:05 pm Expired: Oct 31 11:00 pm Duration: 1 day   0 hrs   55 mins  
Mendocino County   2 alerts
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Effective: Oct 30 10:05 pm Expired: Oct 31 11:00 pm Duration: 1 day   0 hrs   55 mins  
FRY.gif   FROST ADVISORY  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 30 11:54 am Expired: Oct 31 10:00 am Duration: 22 hrs   06 mins  
Fresno County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 30 7:41 pm Expired: Oct 31 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 31 3:21 am Expired: Oct 31 11:30 am Duration: 8 hrs   09 mins  
Madera County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 30 7:41 pm Expired: Oct 31 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 31 3:21 am Expired: Oct 31 11:30 am Duration: 8 hrs   09 mins  
Mariposa County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 30 7:41 pm Expired: Oct 31 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 31 3:21 am Expired: Oct 31 11:30 am Duration: 8 hrs   09 mins  
Tulare County
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 30 7:41 pm Expired: Oct 31 3:45 am Duration: 8 hrs   04 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Oct 31 3:21 am Expired: Oct 31 11:30 am Duration: 8 hrs   09 mins  
Lake County
FRY.gif   FROST ADVISORY  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 30 11:54 am Expired: Oct 31 10:00 am Duration: 22 hrs   06 mins  
Northern Lake County
FRY.gif   FROST ADVISORY  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 30 11:54 am Expired: Oct 31 10:00 am Duration: 22 hrs   06 mins  
Mono County
WWY.gif   WINTER WEATHER ADVISORY  
  Areas affected: Mono
Effective: Oct 30 9:10 am Expired: Oct 31 4:00 pm Duration: 1 day   6 hrs   50 mins  


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