The term “atmospheric river” was coined in 1994 and has since quickly gained popularity. But what does it really mean?

To me, that’s the biggest threat — the wind,” a National Weather Service meteorologist told the Sentinel. “This is when ...

An atmospheric phenomenon called a Pineapple Express is expected to bring heavy rains and snowfall to California and the Northwest this week. What is a Pineapple Express? It's a type of ...

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday.

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

The wet weather fueled by an atmospheric river comes after a dry January helped ignite fires that devastated California. Here ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

The wet weather fueled by an atmospheric river represents an about-face after a dry January helped ignite fires that ...

A dramatic flip in the weather pattern is sending multiple storms into the West Coast on the heels of a January that was mainly dry across the region. The soggy and snowy conditions will persist ...