Snow and ice in whiteout conditions contributed to as many as 30 cars involved in a pileup on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm ...

A powerful, atmospheric river-driven storm is hitting California today, bringing with it heavy rain, strong winds and feet of Sierra snow. The storm, which prompted a lengthy flood advisory for San ...

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

Snow and ice in whiteout conditions contributed to a pileup of more than 100 cars on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the ...

Authorities say a more than 100-vehicle pileup in whiteout conditions has closed part of a major interstate along the Columbia River near Portland, Oregon. The Multnomah County Sheriff’s Office said ...

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

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring ...

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

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