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.

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

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 ...

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

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 ...

It's a type of atmospheric river that forms a long ... In the West, atmospheric rivers approach from the Pacific Ocean, where they’ve collected tremendous amounts of water.

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

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.

The Pacific storms ... The weakening atmospheric river is also expected to bring lighter rainfall north of Los Angeles County on Friday, while southwestern California is forecast to be mostly ...