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

Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...

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

What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in the Earth’s atmosphere. This jet stream gathers moisture from the tropics near the equator and ...

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

Instead of major fires the Golden State will be delt with major rainfall with precipitation amounts that could reach over ...

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

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

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?

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.