Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

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

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas impacted by wildfires.

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 ...

As we push farther into the week rain becomes the story. A large scale atmospheric river is headed our way and will bring significant rain, winds and surf. It all begins Wednesday morning with ...