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

Updates Every 15 Minutes
Spacer GifLast Update:November 1, 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 31 11:33 am Expired: Nov 1 7:00 am Duration: 20 hrs   27 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 31 11:33 am Expired: Nov 1 7:00 am Duration: 20 hrs   27 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 31 11:33 am Expired: Nov 1 7:00 am Duration: 20 hrs   27 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Oct 31 11:33 am Expired: Nov 1 7:00 am Duration: 20 hrs   27 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 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 31 11:45 am Expired: Nov 1 7:00 am Duration: 20 hrs   15 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 7:31 pm Expired: Nov 1 3:15 am Duration: 8 hrs   44 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Nov 1 2:48 am Expired: Nov 1 7:00 am Duration: 4 hrs   12 mins  
Alameda County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Contra Costa County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Los Angeles County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Marin County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Napa County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
San Mateo County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Santa Clara County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Sonoma County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Del Norte County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Effective: Oct 31 10:07 pm Expired: Nov 1 10:00 pm Duration: 1 day   0 hrs   53 mins  
Humboldt County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Effective: Oct 31 10:07 pm Expired: Nov 1 10:00 pm Duration: 1 day   0 hrs   53 mins  
Mendocino County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Effective: Oct 31 10:07 pm Expired: Nov 1 10:00 pm Duration: 1 day   0 hrs   53 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 31 7:31 pm Expired: Nov 1 3:15 am Duration: 8 hrs   44 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Nov 1 2:48 am Expired: Nov 1 7:00 am Duration: 4 hrs   12 mins  
Madera County   3 alerts
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 31 7:31 pm Expired: Nov 1 3:15 am Duration: 8 hrs   44 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Nov 1 2:48 am Expired: Nov 1 7:00 am Duration: 4 hrs   12 mins  
FLS.gif   FLOOD ADVISORY  
  Areas affected: Madera, CA
Effective: Nov 1 12:31 am Expired: Nov 1 2:30 am Duration: 2 hrs   59 mins  
SPS.gif   SPECIAL WEATHER STATEMENT  
At 212 AM PST, Doppler radar was tracking a strong thunderstorm 5
  Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra
Effective: Nov 1 2:12 am Expired: Nov 1 2:45 am Duration: 0 hrs   33 mins  
Mariposa County   2 alerts
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 31 7:31 pm Expired: Nov 1 3:15 am Duration: 8 hrs   44 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Nov 1 2:48 am Expired: Nov 1 7:00 am Duration: 4 hrs   12 mins  
SPS.gif   SPECIAL WEATHER STATEMENT  
At 212 AM PST, Doppler radar was tracking a strong thunderstorm 5
  Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra
Effective: Nov 1 2:12 am Expired: Nov 1 2:45 am Duration: 0 hrs   33 mins  
Tulare County   2 alerts
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 31 7:31 pm Expired: Nov 1 3:15 am Duration: 8 hrs   44 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Effective: Nov 1 2:48 am Expired: Nov 1 7:00 am Duration: 4 hrs   12 mins  
FLS.gif   FLOOD ADVISORY  
  Areas affected: Tulare, CA
Effective: Nov 1 2:15 am Expired: Nov 1 5:15 am Duration: 3 hrs   00 mins  
Santa Cruz County   2 alerts
SPS.gif   BEACH HAZARDS STATEMENT   (4 updates)
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
Mono County
WWY.gif   WINTER WEATHER ADVISORY  
  Areas affected: Mono
Effective: Oct 31 11:33 am Expired: Nov 1 7:00 am Duration: 20 hrs   27 mins  
Monterey County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
San Francisco County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 31 5:58 pm Expired: Nov 1 1:00 am Duration: 8 hrs   02 mins  
  Areas affected: San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Nov 1 1:07 am Expired: Nov 1 3:00 pm Duration: 14 hrs   53 mins  
San Bernardino County
FFA.gif   FLOOD WATCH   (3 updates)
  Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Lake Mead - NV side; Lake Mohave - NV side
Effective: Oct 31 9:45 am Expired: Nov 1 4:00 am Duration: 19 hrs   15 mins  
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; San Bernardino County-Upper Colorado River Valley; Lincoln County; Northeast Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Nov 1 12:13 am Expired: Nov 1 3:00 pm Duration: 15 hrs   47 mins  
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; San Bernardino County-Upper Colorado River Valley; Lincoln County; Northeast Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Nov 1 1:36 pm Expired: Nov 2 4:00 am Duration: 14 hrs   24 mins  
Merced County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 212 AM PST, Doppler radar was tracking a strong thunderstorm 5
  Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra
Effective: Nov 1 2:12 am Expired: Nov 1 2:45 am Duration: 0 hrs   33 mins  
Orange County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Nov 1 10:01 am Expired: Nov 2 5:15 am Duration: 19 hrs   14 mins  
San Diego County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Nov 1 10:01 am Expired: Nov 2 5:15 am Duration: 19 hrs   14 mins  
Ventura County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Nov 1 10:29 am Expired: Nov 2 6:00 pm Duration: 1 day   7 hrs   31 mins  


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