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

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

Snow, sleet and freezing rain were expected to continue pummeling the central Appalachians and mid-Atlantic states Wednesday, ...

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in the Earth’s atmosphere. This ...

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 ...