Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

A pineapple express is a type of strong atmospheric river that carries moisture toward the western U.S., bringing the risk of ...

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

Instead of major fires the Golden State will be delt with major rainfall with precipitation amounts that could reach over half a foot over the next week.