Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

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 ...

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

An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.

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

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

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

Rain has begun to fall in San Luis Obispo County as it braces for an atmospheric river-fueled storm that is slated to bring ...

Ahead of the storm’s arrival, officials in Southern California distributed sandbags, prepositioned rescue swimmers and told ...

An atmospheric river is forecast to bring torrential rain to California this week, threatening parts of the state with flash floods and mudslides.

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...