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

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause heavy rains and snow. Here’s a look at the phenomenon: What is an ...

A stronger atmospheric river is set to hit Northern California ... Rain could be slightly enhanced around mountain slopes, particularly around the Eaton fire and in some areas in western L.A ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause heavy rains and snow. Here’s a look at the phenomenon: Atmospheric ...