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

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

An atmospheric river storm brought heavy rain and high winds to San Luis Obispo County on Thursday — flooding numerous ...

After a few overperforming systems that benefitted Utah’s northern half, an incoming atmospheric river is slated to blast all ...

Mud covers Pacific Coast Highway ... into the arms of the helicopter rescuer," the fire authority said. The atmospheric river dumped 6.34 inches of rain in Los Angeles County, prompting mudslides ...

the atmospheric river is expected to "gradually settle southward through the middle of the week as multiple waves of low pressure traverse the front and bring strong Pacific moisture transport ...

Ahead of the storm’s arrival, officials in Southern California distributed sandbags, prepositioned rescue swimmers and told ...

A strong Pacific storm with an atmospheric river will continue to pummel California with a threat of flooding rain as feet of snow piles up in the Sierra Nevada through early Friday morning.

Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and ...

The storm system that cut a path from Kentucky to Maryland and points farther north on Tuesday brought more than 14 inches ...

An atmospheric river – the second to wallop the state ... several measures to mitigate the potential for mudslides in Pacific Palisades, an affluent neighborhood tucked between the San Gabriel ...