The San Juan Creek in California was flowing uncontrollably on Friday after an atmospheric rain that hit Southern California ...

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

While most people were trying to stay out of the rain on Thursday, a group of researchers was out in the thick of it ...

Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

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

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

An atmospheric river has arrived in the Bay Area, with moderate to heavy rain expected to continue, along with increasing ...

Atmospheric rivers are long, narrow regions of water vapor in the atmosphere, like a river in the sky. These systems gather ...

Both reservoirs have been steadily rising since November, after the start of California's water year in October. A series of ...

The Glory Hole acts as flood mitigation for the the manmade lake, serving as a massive funnel once water levels reach about ...

Just a month after fierce Santa Ana winds propelled a firestorm across Los Angeles County, residents faced another extreme ...

A groundbreaking study on the freezing of water droplets suspended in air sheds light on a key process in Earth's water cycle: the transformation of supercooled water into ice.