One such storm arrived in the Pacific Northwest over the weekend ... exactly one year ago, as a potent atmospheric river storm, the second in less than a week, doused the region.

Severe storms across California triggered debris flows, floods, and power outages. Heavy snow and ice impacted the Pacific ...

An atmospheric phenomenon ... rains and snowfall to California and the Northwest this week. What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in ...

An atmospheric river gathers moisture from the tropics ... Parts of California and the Pacific Northwest could get up to a foot of rain by Wednesday, ending weeks of dry weather.

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

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