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.

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 major storm was sweeping across the northwest U.S., battering the region with strong winds and rain and causing widespread power outages.

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

A rotating system of thunderstorms off the coast of Washington will bring rapidly increasing easterly winds to the region Tuesday.

A powerful bomb cyclone is taking aim at the Pacific Northwest and northern California with hurricane force winds forecast to gust up to 70 mph with as much as 15 inches of rain and heavy snow in the mountains.

Bomb cyclone is a term used by weather enthusiasts to describe a process that meteorologists usually call bombogenesis. It's the rapid intensification of a cyclone in a short period of time, and it can happen during powerful storms such as the one northern California and the Pacific Northwest are preparing for this week.

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

A major storm was sweeping across the northwest U.S., battering the region with strong winds and rain and causing widespread power outages and downed trees that killed at least one person

Local officials across the West Coast are bracing for flash floods, power outages, and possible blizzards at high altitudes after announcing heavy rain from Nov. 19 to Nov. 22. Powerful winds also raise concerns about the increased risk of wildfires.

A record-strong low-pressure system will steer an atmospheric river into California, create blizzard conditions in Washington and bring strong, damaging winds.