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

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

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.

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