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

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

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

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

What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in the Earth’s atmosphere. This jet stream gathers moisture from the tropics near the equator and ...

A stronger atmospheric river is set to hit Northern California on Monday and then hit Los Angeles County on Tuesday, aiding hopes of a more definitive end to a devastating fire weather season for ...

The first in what’s expected to be a series of three atmospheric river storms has arrived in California. Forecasters are hopeful the winter storms might finally lift Los Angeles County from the ...