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

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

As the Bay Area prepares for another round of storms, a new Stanford study explains just how much damage atmospheric rivers ...

Clearing, very cold weather is in the forecast for Saturday morning. Expect occasional clouds through the weekend, with ...

Flood watches are posted up and down the California coast as an atmospheric river will bring torrential rain to many areas in need of moisture but too much rain in burn scar areas could lead to ...

Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily ...

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

This second event comes on the heels of a "Pineapple Express" atmospheric river event over the weekend that has pushed rainfall totals to more than 3 inches across the hills north of the Bay Area ...

It's a type of atmospheric river that forms a long ... responsible for as much as 65% of the West's extreme rain and snow events, a 2017 study said. AccuWeather warned of possible flooding ...

This second event comes on the heels of a "Pineapple Express" atmospheric river event over the weekend that has pushed rainfall totals to more than 3 inches across the hills north of the Bay Area ...

Another atmospheric river-driven storm will impact Northern California and the Pacific Northwest starting Thursday morning. That event is forecast to be somewhat less impactful than the high winds and ...

An NWS forecast issued on Tuesday: "A prolonged atmospheric river event will continue to bring moderate to heavy rain with a risk for flooding to northern and central California with heavy ...