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

As heavy rain from a large storm subsided, officials in Southern California said rock and mudslides remain a threat.

The atmospheric river also brought several feet of snow and hurricane-force winds to the California mountains and West. Crews began clearing affected roadways, including the Pacific Coast Highway ...

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

As the Bay Area prepares for another round of storms, a new Stanford study explains just how much damage atmospheric rivers ...

Researchers at Stanford University developed a new method to measure water levels in the state’s aquifers using readily available seismic data.

Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have shown that they can carry seven to 15 times the average amount of water ...

Part of the Atmospheric River Reconnaissance program ... the program also involves launching radiosondes from airplanes called “hurricane hunters,” flown over the ocean by National Oceanic ...

The recent atmospheric river measurements help inform changes ... the program also involves launching radiosondes from airplanes called “hurricane hunters,” flown over the ocean by National ...