Atmospheric rivers, also described as "rivers in the sky," cause more than 80 percent of all flooding damage across the West ...

The rain will be "generally beneficial" in the Los Angeles area, but there is a small risk of burn scar debris flows.

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

Impact from a moisture-laden storm is expected to persist in the San Francisco Bay Area through Friday, with more rain likely ...

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

While driving home, Ari Shulman said a "spray of sparks" in the sky caught his attention as he watched in horror the midair ...

An atmospheric river is a long, narrow region in the atmosphere that resembles a river in the sky that transports vapor from the tropics, according to the National Oceanic and Atmospheric ...

They carry so much water, they’re said to be like a river in the sky. Just a few atmospheric river events can bring California from one-third to one-half of its annual precipitation. Winds of 9 ...

The NTSB is investigating a fatal collision between an American Airlines regional jet and a U.S. Army helicopter over the ...