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?

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 ...

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

Those categories are based on the Saffir-Simpson Hurricane Wind Scale, which is one tool for assessing the intensity of a hurricane, but it's important to know what it means in terms of wind ...

Erick peaked as a Category 4 hurricane prior to moving onshore early Thursday morning along the southwestern coast of Mexico, ...