This story was updated to correct spelling in headline. An atmospheric phenomenon called a Pineapple Express is expected to bring heavy rains and snowfall to California and the Northwest this week.

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

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

Weather systems that affect the West Coast of the United States often have their origins in the northern Pacific Ocean. This is because the jet stream usually flows in a general west-to-east fashion.

After an unusually dry January, a weather system called an atmospheric river - or Pineapple Express - is now headed towards northern California. Pineapple Express events have the potential to ...

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...

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

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

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...