Atmospheric rivers, which are long, narrow bands of water vapor, are becoming more intense and frequent with climate change. A new study demonstrates that a recently developed scale for atmospheric ...

MIAMI (AP) -- Herbert Saffir, an engineer who created the five-category system used to describe hurricane strength and warn millions of an approaching storm's danger, has died. He was 90. Saffir died ...

Tropical systems tracked by the National Hurricane Center will be classified as depressions, tropical storms and hurricanes based on their intensity. The NHC will label a system a tropical depression ...

With the hurricane season starting soon, you are certain to hear about categories and other terms used to describe hurricane strength. Tropical systems tracked by the National Hurricane Center will be ...