Atmospheric rivers happen all over the planet, but a Pineapple Express refers to a specific recurring atmospheric river that hits the U.S. West Coast. Donald Trump Announces Major Student Loan ...

The Pineapple Express is a stream of moisture in the atmosphere that delivers humid air from the tropical Pacific to the West ...

Get ready for the pineapple express this weekend; its arrival means a deluge of rain and potential minor flooding. The rain will continue into early next week before we dry out Wednesday and Thursday.

During the storm, KGW viewer Carrie reached out to ask if an atmospheric river is the same thing as a Pineapple Express, another term that often pops up to describe heavy rain in the Portland region.