The moisture bringing feet of snow to the Rocky Mountains through Saturday is being driven by a weather pattern called the ...

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

After an unusually dry January, a weather system called an atmospheric river - or Pineapple Express - is now headed towards northern California. Pineapple Express events have the potential to ...

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.

While traditional cold winter storms out of the north Pacific build the Sierra ... for California’s water supply. What is a pineapple express? It is a nickname for a strong atmospheric river ...

The first of two "pineapple express" storms has arrived in Southern California after delivering a stronger-than-expected pounding to the San Francisco Bay Area, breaking rainfall records.

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 ...