Emergency Alerts

In the event of an immediate threat to your life, health, or safety, the county’s Community Warning System will be activated. Click here for current alerts in the county. Depending on the urgency, severity, and certainty of the threat, some combination of the following alerting devices may be activated to provide you as much as notice as possible:
  • Sirens in special safety zones
  • Emergency Alert System (EAS) on television and radio (KCBS 740 AM)
  • Telephone Emergency Notification System (TENS)
  • Cell Phone Alerts
  • NOAA Weather Radios
  • Twitter and Facebook at CoCoCWS
  • CalEMA's EDIS website
For more information about these alerting devices and how to be receive alerts directly, see the Community Warning System

Important Emergency Preparedness Information