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.

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.

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.