The Pineapple Express is a type of atmospheric river— a narrow, fast-moving "river in the sky" that transports significant ...

A stronger atmospheric river is set to hit Northern California on Monday and then hit L.A. County on Tuesday, aiding hopes of ...

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

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 West Coast is in the middle of a long-lasting and potent atmospheric river event, which will bring days of heavy rain and ...

Here's the latest forecast for an upcoming winter storm that forecasters hope could finally lift Los Angeles County from the ...

A long-duration atmospheric river is set to bring moderate to heavy rain in northern and central parts of California, but ...

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?

Forecasters believe there's little risk that the rains expected next week will trigger debris flows and mudslides in Southern ...

Lake Oroville rose around 7 feet over the weekend after an atmospheric river brought a deluge of rain to the region.

After an extraordinarily dry start to the year, three atmospheric river storms are expected to hit California over the next week — with one of them potentially bringing much-needed moisture to ...