Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have ...

What's an Atmospheric River? A Pineapple Express? AP Explains the Weather Phenomenon Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land ...

What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in the Earth’s atmosphere. This jet stream gathers moisture from the tropics near the equator and ...

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 ...

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 ...

Many atmospheric river events are weak. But the powerful ones can transport ... runoff and flooding and decrease the snowpack needed for California’s water supply. What is a pineapple express? The ...

"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 ...