During the storm, KGW viewer Carrie reached out to ask if an atmospheric river is the same thing as a Pineapple Express, another term that often pops up to describe heavy rain in the Portland region.

When they hit land they can cause heavy rains and snow. Here’s a look at the phenomenon: What is an atmospheric river? Atmospheric rivers are long and relatively narrow bands of water vapor that ...

What is a pineapple express? It is a nickname for a strong atmospheric river in the tropical Pacific near Hawaii. Where did the term atmospheric river come from? The name came from research ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

"The Pineapple Express is an atmospheric river which has its origin in the tropical Pacific," said AccuWeather Senior Meteorologist Alex Sosnowski. Since the pineapple express starts thousands of ...

Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have shown that they can carry seven to 15 times the average amount of water ...

Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have shown that they can carry seven to 15 times the average amount of water ...