The atmospheric river is expected to unleash relentless rains. Parts of Northern California into southwestern Oregon may get 6 to 12 inches of rain. Some spots could see 12 to 18 inches or more.

The most popular atmospheric river is called the “Pineapple Express” — when moist air near Hawaii flows to the mainland by the jet stream, leading to tremendous amounts of precipitation ...

A high-end atmospheric river will bring numerous weather threats ... return north for a time as the large dip in the gyrating jet stream offshore also stalls out. This could deliver days of ...

One particular atmospheric river you may have heard of on the West Coast is sometimes referred to as a Pineapple Express. The jet stream in the sky transports humid air from the Hawaiian Islands ...

It's a result of an atmospheric river, or a long ribbon of moisture stretching far out over the Pacific Ocean. The river is joining forces with a polar jet stream blowing down from Canada ...

A long, thin, horizontal "corridor" of water vapour typically associated with a low-level jet stream ahead of the cold front of a cyclonic storm outside the tropics. Atmospheric rivers are ...

A ‘bomb cyclone’ storm riding a 2,000-mile ‘atmospheric river’ threatens millions of Americans with power outages, toppling ...

And all the while an atmospheric river pumped intense rainfall upon ... call a “cold core low,” which boosted by a strong jet stream and a sharp contrast between the relatively warmer ocean ...

Millions along the East Coast saw the impacts of a rapidly strengthening storm system on Wednesday, with winds gusts reported ...

Attention is now shifting to a powerful atmospheric river battering the West Coast ... The large gyrating dip in the jet stream off the Pacific Northwest is predicted to sit and spin into the ...

(Representative Image) This week, the United States will face an unprecedented weather event, a 'bomb cyclone' combined with a Category 5 atmospheric river ... the gyrating jet stream offshore ...