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Alert Archives for All California Counties
If there's no Alerts for the day, there's no log file
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13 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:May 19, 2026 - 7:00 am PDT
Los Angeles County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 19 2:39 am Expired: May 19 3:45 am Duration: 1 hr   06 mins  
Marin County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 19 2:39 am Expired: May 19 3:45 am Duration: 1 hr   06 mins  
Napa County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 19 2:39 am Expired: May 19 3:45 am Duration: 1 hr   06 mins  
Sonoma County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: North Bay Interior Valleys
Effective: May 18 8:57 am Expired: May 19 3:00 am Duration: 18 hrs   03 mins  
  Areas affected: North Bay Interior Valleys
Effective: May 19 2:39 am Expired: May 19 3:45 am Duration: 1 hr   06 mins  
Orange County
SPS.gif   AIR QUALITY ALERT  
  Areas affected: Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
Effective: May 18 7:40 pm Expired: May 19 7:45 pm Duration: 1 day   0 hrs   05 mins  
Riverside County
SPS.gif   AIR QUALITY ALERT  
  Areas affected: Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
Effective: May 18 7:40 pm Expired: May 19 7:45 pm Duration: 1 day   0 hrs   05 mins  
San Diego County
SPS.gif   AIR QUALITY ALERT  
  Areas affected: Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
Effective: May 18 7:40 pm Expired: May 19 7:45 pm Duration: 1 day   0 hrs   05 mins  
Ventura County
SPS.gif   AIR QUALITY ALERT   (2 updates)
  Areas affected: Santa Clarita Valley; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: May 18 7:41 pm Expired: May 19 7:00 pm Duration: 23 hrs   19 mins  
  Areas affected: Eastern San Fernando Valley; Eastern San Gabriel Mountains; Eastern Santa Monica Mountains Recreational Area; Interstate 5 Corridor; Los Angeles County Beaches; Los Angeles County Inland Coast including Downtown Los Angeles; Los Angeles County San Gabriel Valley; Palos Verdes Hills; Santa Clarita Valley; Santa Susana Mountains; Western San Fernando Valley; Western San Gabriel Mountains and Highway 14 Corridor; Western Santa Monica Mountains Recreational Area
Effective: May 18 7:18 pm Expired: May 19 7:00 pm Duration: 23 hrs   42 mins  


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