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

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

BBC Weather's Elizabeth Rizzini looks at the meteorological phenomenon hitting North America's west coast. When it comes to ...

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.

The current atmospheric river storm will continue to push inland on Sunday, only to be replaced by another storm from Monday into Tuesday, peppering the region with additional rainfall.

A warm, wet storm originating in Hawaii will be pulled north toward California bringing heavy rain and localized flood risk.

An atmospheric river, known as a "Pineapple Express," is set to bring significant rainfall to parts of California next week, with meteorologists warning that flooding may be possible. Atmospheric ...

Forecasters say because the air mass originates near Hawaii, which is commonly referred to as a "Pineapple Express," the overall event will be warmer, causing snowfall levels to rise to several ...

The San Francisco Bay area saw flooding caused by a Pineapple Express event in 2024 After an unusually dry January a weather system called an atmospheric river - or Pineapple Express - is now ...

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?