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

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

A new atmospheric river is slamming California, including fire-ravaged Los Angeles, where residents are bracing for the ...

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

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

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring significant flooding to roads and a high risk of landslides. Here's what you need ...

The greater Los Angeles area has long been the subject of intense seismographic monitoring. A network of highly sensitive ...

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