A deadly “ bomb cyclone ” has ripped through Washington state, killing at least one person, downing trees and power lines, and leaving hundreds of thousands without power.

A “once in a decade” bomb cyclone is sweeping through the northwest US and parts of Canada late Tuesday –– leaving at least one person dead and hundreds of thousands without power across Washington state,

At least one person is dead and hundreds of thousands of were without power early Wednesday as a powerful bomb cyclone hit the Pacific Northwest and northern California.