The County of San Luis Obispo has multiple alert and notification systems that can be used to provide emergency information.  Two of these systems, Sheriff's Alerts and AlertSLO require the public to register their devices to receive emergency information.   

Sheriff's Alerts (also called Reverse 911) is a system used to provide emergency information regarding law enforcement or security related events, including evacuations and shelter in place.  Sheriff's alerts are sent to landlines (automatically in the system) and cell phones (if registered) providing emergency information and instructions.  This system is primarily used to provide urgent security or protective action orders.  

AlertSLO is a new system that will provide important information, such as severe weather, major highway closures, planned power outages, or other emergency related information.  Although this system will also be utilized if protective action orders and warnings are issued, the system will focus on lower-level emergency related information.  These messages are sent by the Office of Emergency Services to registered devices, cell phones, or email alerting them of important emergency-related information.  User can select the type of information they want to be notified of when they sign up.  

The County of San Luis Obispo also utilizes other alert and notification systems including the Emergency Alert System, the Early Warning System sirens, and Wireless Emergency Alerts (WEA).  These system are used to provide protective action orders in conjunction with the systems mentioned above, but do not require registration.  More information on all of the County's alert and notification systems can be found here.