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 ...

When does a tropical depression become a tropical storm? And when does a tropical storm become a hurricane? What's the difference between a Category 1 and a Category 3 hurricane?

Tropical systems are categorized by wind speed, but experts say there's much more to the story when it comes to storm impacts.