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.

Here’s your knowledge nugget for today. Following an unusually dry January, a powerful atmospheric river known as the ‘Pineapple Express’ has been sweeping through northern and central California, ...

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...

The first of two “Pineapple Express” storms arrived in Southern California early Wednesday after delivering a stronger-than-expected pounding to Northern California, breaking rainfall records ...

Men push a vehicle on a flooded roadway near Muir Beach in Marin County on Tuesday. (Tayfun Coskun / Getty Images) ...