A powerful storm with an atmospheric river threatens to bring life-threatening flooding and debris flow from Los Angeles ...

NASA scientists used satellite measurements to map out local subsidence and uplift across the Golden State, which plays into ...

KCAL, KCBS, ANDREAS TOMRPOS, TEAM RUBICON USA, CNN By Hanna Park, Stephanie Elam, Robert Shackelford and Mary Gilbert, CNN (CNN) — Southern Californians are evacuating their homes for the second time ...

Despite El Niño and La Niña’s pervasive influence on global climate, atmospheric rivers don’t appear to follow their lead.

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

First, President Donald Trump’s order to release water from two California dams raised expert concerns about flooding. Then ...

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

Wildlife managers, scientists and conservationists have a more complete ecological map of the American West with the release ...

In Santa Barbara County, a “possible sinkhole” closed part of Highway 1 south of Lompoc as an atmospheric river storm hit the ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

Here's what we know about the car crash that caused an SRP power outage near 63rd Avenue and Thomas Road in Phoenix on Feb. 2 ...

Central Arizona is preparing for more intense droughts and floods through major water projects with federal support.