A massive plume of moisture from the Pacific called an atmospheric river will hit the West Coast on Tuesday afternoon and last into Friday.

Over a month’s worth of rain, hurricane-force wind gusts and feet of mountain snow are coming to parts of the Pacific Northwest and Northern California.

An intense mid-latitude cyclone taking aim at the West Coast of the United States this week, ushering a strong atmospheric river into Oregon and California. This low-pressure system is going through bombogenesis,