The gusty atmospheric river storm could cause flooding and rockslides but also will help reduce the risk of wildfires with ...

The first of two "pineapple express" storms has arrived in Southern California after delivering a stronger-than-expected ...

Light rain continued to fall across Southern California on Wednesday afternoon as the first in a series of Pacific storm ...

A pineapple express is a type of strong atmospheric river that carries moisture toward the western U.S., bringing the risk of ...

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

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

Dangerous flooding and landslides are possible over the next few days as moist air from Hawaii approaches the US west coast.

The atmospheric river's effects are expected to last at least through Tuesday, one meteorologist told Newsweek.

Parts of northern and central California saw more than two inches of rain Tuesday as Southern Californians face rain through ...

After an unusually dry January, a weather system called an atmospheric river - or Pineapple Express - is now headed towards ...

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

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?