Abstract: Examples provide an advance alert system. Emergency data including medical information is collected from a set of subscribers and stored. On receiving a threat alert from a user, an alert generation component sends an alert notification, including a threat level, to the set of subscribers within an alert zone associated with a source of the threat alert. On receiving an imminent threat alert, a call to an emergency response system is automatically initiated. On receiving a request for access to the emergency data associated with the user from an emergency responder, a unique identifier for one or more emergency responders is checked to determine if the emergency responder is authorized to access the emergency data. If the emergency responder is authorized, access is granted and the emergency data is output to the emergency responder in an anonymous format. A notification of the emergency data access is sent to the user.