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.

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 ...

A Pineapple Express or “atmospheric river” will bring several rounds of rain to the Pacific Northwest this weekend and early next week. This should boost our monthly rain totals, which have ...

Weather systems that affect the West Coast of the United States often have their origins in the northern Pacific Ocean. This is because the jet stream usually flows in a general west-to-east fashion.

The Norwalk school employee is accused of shoving the student against a wall and... Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture.

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 ...

"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 ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, transporting much of the moisture from the tropics to ...