Severe weather is set to hit opposite ends of the country this week, with a powerful low pressure system — followed by an atmospheric river — set to bring damaging winds, heavy rain and snow to the Pacific Northwest,

The Northwest is bracing for a strong storm system to move in this week, fueled by an atmospheric river​ and bomb cyclone. What do those terms mean?

A powerful winter storm brewing near the Pacific Northwest known as a bomb cyclone is dragging an atmospheric river.