MEXICO CITY, June 19 (Xinhua) -- Hurricane Erick was downgraded to a Category 1 on the Saffir-Simpson scale of storm intensity as it dumped rain on southern Mexico Thursday, causing floods, damage to ...

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 ...

One was a structural engineer who thought in the ways engineers are trained to — logically and result-oriented.The other, was a meteorologist who, at age 6, had survived one of the deadliest ...

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 ...