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.

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 Pineapple Express, already evident on weather maps this weekend, will bring a variety of hazards to the West over the next few days, such as major flooding, avalanches, strong winds and travel ...

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 ...

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 ...