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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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11 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:May 21, 2026 - 7:00 am PDT
Imperial County
SPS.gif   AIR QUALITY ALERT  
  Areas affected: Imperial Valley
Effective: May 20 10:06 am Expired: May 21 8:00 pm Duration: 1 day   9 hrs   54 mins  
Riverside County
SPS.gif   AIR QUALITY ALERT  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: May 20 5:44 pm Expired: May 21 5:45 pm Duration: 1 day   0 hrs   01 min  
San Bernardino County
SPS.gif   AIR QUALITY ALERT  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: May 20 5:44 pm Expired: May 21 5:45 pm Duration: 1 day   0 hrs   01 min  
Ventura County   2 alerts
SPS.gif   AIR QUALITY ALERT  
  Areas affected: Eastern San Fernando Valley; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley; Santa Clarita Valley; Santa Susana Mountains; Western San Fernando Valley; Western San Gabriel Mountains and Highway 14 Corridor
Effective: May 20 3:59 pm Expired: May 21 10:00 pm Duration: 1 day   6 hrs   01 min  
SPS.gif   CHILD ABDUCTION EMERGENCY  
  Areas affected: Kern, CA,Los Angeles, CA,Orange, CA,Ventura, CA
Effective: May 21 5:52 pm Expired: May 21 7:52 pm Duration: 2 hrs   00 mins  
El Dorado County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 500 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 21 5:00 pm Expired: May 21 5:45 pm Duration: 0 hrs   45 mins  
Placer County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 500 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 21 5:00 pm Expired: May 21 5:45 pm Duration: 0 hrs   45 mins  
Nevada County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 500 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 21 5:00 pm Expired: May 21 5:45 pm Duration: 0 hrs   45 mins  
Alpine County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 500 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: May 21 5:00 pm Expired: May 21 5:45 pm Duration: 0 hrs   45 mins  
Kern County
SPS.gif   CHILD ABDUCTION EMERGENCY  
  Areas affected: Kern, CA,Los Angeles, CA,Orange, CA,Ventura, CA
Effective: May 21 5:52 pm Expired: May 21 7:52 pm Duration: 2 hrs   00 mins  
Orange County
SPS.gif   CHILD ABDUCTION EMERGENCY  
  Areas affected: Kern, CA,Los Angeles, CA,Orange, CA,Ventura, CA
Effective: May 21 5:52 pm Expired: May 21 7:52 pm Duration: 2 hrs   00 mins  


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