Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

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

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.

Forecasters say 'Pineapple Express' storm will probably be beneficial for Los Angeles and Ventura counties, helping to reduce ...

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

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are ...

This story was updated to correct spelling in headline. An atmospheric phenomenon called a Pineapple Express is expected to ...