An atmospheric river event is forecast to rainfall, snow, and the potential for flooding to parts of California this week.

Flooding is expected along rivers, creeks and in flood-prone areas, especially along the Russian River in Sonoma County. OAKLAND, Calif. - An atmospheric river is bringing heavy rain and strong ...

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 ...