In this post we’re going to try and analyse the two most critical information processes during emergencies: becoming aware of the hazard and successfully notifying persons in danger. The idea is to represent in a graphic fashion the different communication streams and analyse the strengths and weaknesses of each setup. We've prepared four diagrams, have a look: Figure 1. Communication paths in four scenarios The basics First, let’s analyse the most basic situation, depicted in … [Read more...] about Alarm broadcast process: four scenarios