A couple of inches of rain will hit parts of Southern California by Wednesday. KTLA's Kacey Montoya reports on Sunday, Feb. 9 ...

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather meteorologists warn. Through early this week, the drier stretch ...

This expansive forest stretches across several South American countries, breathing life into the very atmosphere we depend on ...

The Bay Area weather forecast has more rain and wind as another atmospheric river arrives and flood evacuations are issued ...

The rainfall was so intense that in one dramatic example, a mudslide caused an entire house to slip down a bank into the Russian River on Tuesday.

The atmospheric river brought severe thunderstorms to San Francisco on Tuesday. And while trees toppled, the heavy rain also caused a rockslide atop Telegraph Hill.

Heavy rain is hitting the Bay Area and coastal areas this week as an atmospheric river moves through Northern California.

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

What’s the connection between climate change and an increase in so-called atmospheric rivers?

You may have heard meteorologists using the phrases "atmospheric river" and "Pineapple Express" when talking about wet weather in California, but what do they really mean?

Wildfire aerosols travel thousands of kilometers to the Arctic, influencing ice cloud formation at warmer temperatures.

An atmospheric river is essentially a narrow band of Pacific moisture, water vapor, that is funneled into a long narrow flow.