See what's behind Pineapple Express

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...
Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go 'Beyond the nugget' to learn about the polar vortex and the Santa Ana winds.
After an unusually dry January, a weather system called an atmospheric river - or Pineapple Express - is now headed towards ...
A pattern change for the West has taken shape. This weekend, moisture moved in from Hawaii courtesy of an atmospheric river ...