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

Updates Every 15 Minutes
Spacer GifLast Update:September 28, 2026 - 7:00 am PDT
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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 mins  
Los Angeles 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 mins  
Marin 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 mins  
San Mateo 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 mins  
Santa Cruz 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 mins  
Sonoma 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: Sep 27 8:17 pm Expired: Sep 28 11:00 am Duration: 14 hrs   43 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Sep 28 10:39 am Expired: Sep 28 10:00 pm Duration: 11 hrs   21 mins  
Fresno County   2 alerts
LWY.gif   LAKE WIND ADVISORY   (2 updates)
  Areas affected: West Side Mountains north of 198
Effective: Sep 27 6:51 pm Expired: Sep 28 3:00 am Duration: 8 hrs   09 mins  
  Areas affected: West Side Mountains north of 198
Effective: Sep 28 2:40 am Expired: Sep 28 7:00 am Duration: 4 hrs   20 mins  
SPS.gif   SPECIAL WEATHER STATEMENT  
At 235 PM PDT, Doppler radar was tracking a strong thunderstorm 30
  Areas affected: Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; Kaiser to Rodgers Ridge
Effective: Sep 28 2:36 pm Expired: Sep 28 3:00 pm Duration: 0 hrs   24 mins  
Merced County
LWY.gif   LAKE WIND ADVISORY   (2 updates)
  Areas affected: West Side Mountains north of 198
Effective: Sep 27 6:51 pm Expired: Sep 28 3:00 am Duration: 8 hrs   09 mins  
  Areas affected: West Side Mountains north of 198
Effective: Sep 28 2:40 am Expired: Sep 28 7:00 am Duration: 4 hrs   20 mins  
Kern County
LWY.gif   LAKE WIND ADVISORY   (4 updates)
  Areas affected: Kern River Valley
Effective: Sep 27 6:51 pm Expired: Sep 28 3:00 am Duration: 8 hrs   09 mins  
  Areas affected: Kern River Valley
Effective: Sep 28 2:40 am Expired: Sep 28 11:00 am Duration: 8 hrs   20 mins  
  Areas affected: Kern River Valley
Effective: Sep 28 6:51 am Expired: Sep 28 3:00 pm Duration: 8 hrs   09 mins  
  Areas affected: Kern River Valley
Effective: Sep 28 2:32 pm Expired: Sep 28 7:00 pm Duration: 4 hrs   28 mins  
Tulare County   2 alerts
LWY.gif   LAKE WIND ADVISORY   (4 updates)
  Areas affected: Kern River Valley
Effective: Sep 27 6:51 pm Expired: Sep 28 3:00 am Duration: 8 hrs   09 mins  
  Areas affected: Kern River Valley
Effective: Sep 28 2:40 am Expired: Sep 28 11:00 am Duration: 8 hrs   20 mins  
  Areas affected: Kern River Valley
Effective: Sep 28 6:51 am Expired: Sep 28 3:00 pm Duration: 8 hrs   09 mins  
  Areas affected: Kern River Valley
Effective: Sep 28 2:32 pm Expired: Sep 28 7:00 pm Duration: 4 hrs   28 mins  
SPS.gif   SPECIAL WEATHER STATEMENT  
At 235 PM PDT, Doppler radar was tracking a strong thunderstorm 30
  Areas affected: Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; Kaiser to Rodgers Ridge
Effective: Sep 28 2:36 pm Expired: Sep 28 3:00 pm Duration: 0 hrs   24 mins  
Orange County   2 alerts
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 27 8:03 pm Expired: Sep 28 5:15 am Duration: 9 hrs   12 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 1:34 am Expired: Sep 28 9:45 am Duration: 8 hrs   11 mins  
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 27 8:03 pm Expired: Sep 28 5:15 am Duration: 9 hrs   12 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 1:34 am Expired: Sep 28 9:45 am Duration: 8 hrs   11 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 4:50 am Expired: Sep 28 2:30 pm Duration: 9 hrs   40 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 11:44 am Expired: Sep 28 7:45 pm Duration: 8 hrs   01 min  
San Diego County   2 alerts
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 27 8:03 pm Expired: Sep 28 5:15 am Duration: 9 hrs   12 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 1:34 am Expired: Sep 28 9:45 am Duration: 8 hrs   11 mins  
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 27 8:03 pm Expired: Sep 28 5:15 am Duration: 9 hrs   12 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 1:34 am Expired: Sep 28 9:45 am Duration: 8 hrs   11 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 4:50 am Expired: Sep 28 2:30 pm Duration: 9 hrs   40 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Sep 28 11:44 am Expired: Sep 28 7:45 pm Duration: 8 hrs   01 min  
San Bernardino County   3 alerts
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; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Sep 27 11:17 am Expired: Sep 28 5:00 am Duration: 17 hrs   43 mins  
  Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Sep 28 4:34 am Expired: Sep 28 5:00 pm Duration: 12 hrs   26 mins  
  Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Sep 28 3:24 pm Expired: Sep 29 5:00 am Duration: 13 hrs   36 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING   (3 updates)
SVRVEF
  Areas affected: San Bernardino, CA
Effective: Sep 28 1:29 pm Expired: Sep 28 2:15 pm Duration: 0 hrs   46 mins  
At 151 PM PDT, a severe thunderstorm was located 12 miles northeast
  Areas affected: San Bernardino, CA
Effective: Sep 28 1:51 pm Expired: Sep 28 2:15 pm Duration: 0 hrs   24 mins  
SVRVEF
  Areas affected: Mohave, AZ; San Bernardino, CA
Effective: Sep 28 3:47 pm Expired: Sep 28 4:30 pm Duration: 0 hrs   43 mins  
FFW.gif   FLASH FLOOD WARNING   (3 updates)
FFWVEF
  Areas affected: San Bernardino, CA; Clark, NV
Effective: Sep 28 2:31 pm Expired: Sep 28 6:30 pm Duration: 3 hrs   59 mins  
FFWVEF
  Areas affected: Mohave, AZ; San Bernardino, CA; Clark, NV
Effective: Sep 28 4:22 pm Expired: Sep 28 7:15 pm Duration: 2 hrs   53 mins  
At 417 PM PDT, Thunderstorms with heavy rain continue along
  Areas affected: San Bernardino, CA; Clark, NV
Effective: Sep 28 4:17 pm Expired: Sep 28 6:30 pm Duration: 2 hrs   13 mins  
Santa Barbara County   2 alerts
SPS.gif   BEACH HAZARDS STATEMENT   (3 updates)
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: Sep 27 7:20 pm Expired: Sep 28 3:30 am Duration: 8 hrs   10 mins  
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: Sep 28 2:52 am Expired: Sep 28 3:00 pm Duration: 12 hrs   08 mins  
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: Sep 28 1:28 pm Expired: Sep 29 5:00 pm Duration: 1 day   3 hrs   32 mins  
WIY.gif   WIND ADVISORY  
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor
Effective: Sep 27 1:15 pm Expired: Sep 29 6:00 am Duration: 1 day   16 hrs   45 mins  
Ventura County   4 alerts
WIY.gif   WIND ADVISORY  
  Areas affected: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor
Effective: Sep 27 1:15 pm Expired: Sep 29 6:00 am Duration: 1 day   16 hrs   45 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 27 7:20 pm Expired: Sep 28 3:30 am Duration: 8 hrs   10 mins  
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 28 2:52 am Expired: Sep 28 3:00 pm Duration: 12 hrs   08 mins  
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 27 7:20 pm Expired: Sep 28 3:30 am Duration: 8 hrs   10 mins  
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 28 2:52 am Expired: Sep 28 3:00 pm Duration: 12 hrs   08 mins  
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 28 1:28 pm Expired: Sep 29 5:00 pm Duration: 1 day   3 hrs   32 mins  
SUY.gif   HIGH SURF ADVISORY   (3 updates)
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 27 7:20 pm Expired: Sep 28 3:30 am Duration: 8 hrs   10 mins  
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 28 2:52 am Expired: Sep 28 3:00 pm Duration: 12 hrs   08 mins  
  Areas affected: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Sep 28 1:28 pm Expired: Sep 29 5:00 pm Duration: 1 day   3 hrs   32 mins  


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