The moisture bringing feet of snow to the Rocky Mountains through Saturday is being driven by a weather pattern called the ...

At San Francisco State University on Wednesday afternoon, grey skies loomed over a group of Alphi Phi members who were ...

Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have ...

The “strongest storm of the winter” is currently hitting California (USA). Authorities are warning of a high risk of flooding ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

What is a Pineapple Express? It's a type of atmospheric river that forms ... form when warmer air from the tropics in the ...

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...

This particular storm is a 'Pineapple Express' type of AR given its deep subtropical origins from the Hawaiian Islands. This is a long, narrow band of concentrated moisture bringing significant ...

The FOX Forecast Center is tracking a sprawling coast-to-coast storm as it finishes its journey across the country Friday. The storm, which began in Southern California last weekend, is producing ...

AccuWeather meteorologist Matt Rinde told Newsweek that "Pineapple Express" refers to an atmospheric ... These typically form alongside large storm systems in the upper atmosphere.

After an unusually dry January, a weather system called an atmospheric river - or Pineapple Express - is now headed towards northern California. Pineapple Express events have the potential to ...