Hurricane season: What is the Saffir-Simpson scale; how does it work; is there a Category 6?
The Saffir-Simpson Hurricane Wind Scale was developed in 1971 and unveiled to the public in 1973. Here’s a look at the system that ranks tropical cyclones by their potential destructive power, how it works and the men who invented it. The scale rates the potential for damage from hurricanes based on the storm’s sustained wind speed.