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

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

An atmospheric river event is forecast to bring rainfall, snow, and the potential for flooding to parts of California this ...

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

Amid a coast-to-coast barrage of winter storms, a firehose of moisture is poised Thursday to bring heavy rains and high winds ...

Heavy rain and snow will hit Northern California throughout most of this week as an atmospheric river moves through.

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday ...

An atmospheric river is forecast to bring torrential rain to California this week, threatening parts of the state with flash floods and mudslides.

Californians can expect heavy rain, mountain snow and strong winds this week as another atmospheric river brings winter storms over the state.

"When atmospheric rivers make landfall, they often release this water vapor in the form of rain or snow," the NOAA said. A Pineapple Express is a strong atmospheric river that is capable of ...