See what's behind Pineapple Express

You may have heard meteorologists using the phrases "atmospheric river" and "Pineapple Express" when talking about wet weather in California, but what do they really mean?
Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...
The first wave of storm energy from the 'Pineapple Express' event begins to drop snow in Colorado on Wednesday.
A pattern change for the West has taken shape. This weekend, moisture moved in from Hawaii courtesy of an atmospheric river ...