An atmospheric river that hit Los Angeles in February 2024 caused mudslides and flooding, dumping months-worth of rain in a single day. Another one is headed to Southern California now.

High humidity and low overnight temperatures will put tens of millions of people under heat alerts over the course of the ...

Forecasters say storms will drop rain, snow, and then more rain on millions in the western U.S. in coming days, bringing a slushy start to December. When the wet season comes to the Pacific ...

A rain-filled storm called an atmospheric river is sweeping into California this week. The weather phenomenon could bring heavy rain to many parts of the state, including the areas around Los ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently burned areas. An atmospheric river is coming to California. It could ...

A rain-filled storm called an atmospheric river is sweeping into California this week. The weather phenomenon could bring heavy rain to many parts of the state, including the areas around Los Angeles ...

Atmospheric rivers (ARs) are a normal part of winter weather along the West Coast. They are narrow bands of water vapor that wind sinuously through the atmosphere, like a river; they can transport ...