Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas ...

The Pacific Coast Highway along Malibu canyon was closed after runoff pushed mud and debris over the road and into the ...

As heavy rain from a large storm subsided, officials in Southern California said rock and mudslides remain a threat.

Mudslides, flooding downpours and feet of mountain snow were unleashed across California as the biggest storm so far this ...

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

Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and ...

While most look for ways to avoid the steady rain falling from atmospheric rivers, some take advantage of the unwieldy ...

Las Flores road in Malibu, California which was impacted by the Palisades Fire was innundated with debris after an ...

The strongest atmospheric river of the season left roads submerged in sludge and created conditions for mudslides on wildfire ...

Road flooding in Fresno, California after atmospheric river dumps rounds of rain (Video Credit: Nicole DiBuduo Linder via Storyful).

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

El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...