Forecasts indicate that an atmospheric river will bring heavy rain and snowfall to much of the Pacific Northwest starting ...

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

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 ...

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

The Bay Area saw significant storm impacts Tuesday as an atmospheric river brought heavy rain, urban and river flooding, and ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

An atmospheric river is a weather feature that can be beneficial and crucial, but can also be a damaging event - particularly for those near the West Coast of the United States. The definition ...

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.