Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause heavy rains and snow. Here’s a look at the phenomenon: What is an ...

A tight storm system named Winter Storm Jett will force a potent branch of the pineapple express ashore across the West Coast, bringing heavy rain and snow across the region. The atmospheric river ...

A Pineapple Express forms when the jet stream dips south into the tropical Pacific near Hawaii, scooping up warm, moist air ...

San Francisco broke a daily record for rain that had been in place since 1887 on Tuesday, with a pounding 2.53 inches of rain falling, according to the National Weather Service. The rain was so heavy ...

Yet, it is unlikely that the Pineapple Express storm will move further inland. 'This does not translate inland,' Zehr said. 'As it moves inland, it loses its connection to the tropics and the ...

The first of two “Pineapple Express” storms arrived in ... according to Sonoma County. The storm weakened significantly as it moved down the state but another atmospheric river — of similar ...

The first storm was a warm, classic 'pineapple express' type of atmospheric river delivering mostly rain to the Sierra and periods of moderate valley rain. This helped to fill creeks and streams ...

The first of two "pineapple express" storms has arrived in Southern California ... according to Pacific Gas & Electric Co. The storm is expected to be weaker in Southern California. Meteorologists say ...

Men push a vehicle on a flooded roadway near Muir Beach in Marin County on Tuesday. (Tayfun Coskun / Getty Images) ...

The first of two "pineapple express" storms has arrived in ... according to Pacific Gas & Electric Co. The storm is expected to be weaker in Southern California. Meteorologists say Wednesday's ...