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

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

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

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

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

A powerful storm called a bomb cyclone downed trees in parts of the Pacific Northwest on Tuesday. It later combined with ...

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

The Pacific Northwest was pummeled by a bomb cyclone, a severe winter storm that has brought heavy rain and strong winds to ...

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

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

A powerful extratropical cyclone struck the Pacific Northwest, leading to widespread damage and leaving nearly 600,000 ...

A historic “bomb cyclone” has caused multiple deaths and mass power outages after slamming into Seattle, Washington, as it ...