The storm, driven by the season’s first major atmospheric river, inundated the region, killing at least three people and causing widespread power outages.

A second powerful wind storm, called a “bomb cyclone,” will hit the Pacific Northwest by this evening, even as hundreds of thousands of people remain without power from the torrential rain and snow still falling from the first one.

Heavy rain and thawing snow are combining to bring flooding across the UK as Storm Bert continues to batter the country.