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

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

A developing storm system forecast to swing off the Oregon and Washington coastline on Friday will add to the region's ...

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

The Pacific Northwest has been bombarded with powerful winter storms this week. Is the bomb cyclone responsible for Iowa's ...

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 ...

At least one person has died and hundreds of thousands are are without power Wednesday as a powerful bomb cyclone approached ...

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

Residents and businesses in the Northwest U.S. were left without power after a deadly "bomb cyclone" storm knocked down trees ...

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A powerful bomb cyclone is taking aim at the Pacific Northwest and northern California with hurricane force winds forecast to ...