Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

A pineapple express is a type of strong atmospheric river that carries moisture toward the western U.S., bringing the risk of ...

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

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

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 ...

The wet weather fueled by an atmospheric river represents an about-face after a dry January helped ignite fires that ...