Forecasters said a final round of rain, snow and high winds were targeting the Pacific Northwest and Northern California ...

The first storm was forecast to linger into the weekend and produce an additional 6-12 inches of rainfall, the weather ...

A bomb cyclone slammed the Pacific Northwest earlier this week, causing widespread power outages. Here's what it looked like ...

A bomb cyclone slammed the Pacific Northwest and Canada's British Columbia on Tuesday night into Wednesday morning, killing ...

A bomb cyclone, or a severe winter storm, has hit the Pacific Northwest, bringing heavy rain and winds to northern California ...

In northern California, flood and high wind watches were in effect, with up to 8 inches (20 centimeters) of rain predicted ...

Nearly 600,000 customers were without power in the Pacific Northwest on Wednesday as a bomb cyclone unleashed strong winds ...

A “once in a decade” bomb cyclone pummeled the Pacific Northwest on early Wednesday, with southern Canada and Washington, ...

Behold, the majesty and terrifying power of the extratropical cyclone that swept over the Pacific Northwest this week.

Bomb cyclones form when a storm's atmospheric pressure drops sharply within 24 hours in a process called bombogenesis.