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

A massive plume of moisture from the Pacific called an atmospheric river will hit the West Coast on Tuesday afternoon and last into Friday.

A low-pressure system headed for Northern California and Oregon is likely to bring extreme rain and strong winds.

A powerful bomb cyclone is ripping the Pacific Northwest with hurricane-strength winds as the season’s first atmospheric river comes ashore in Northern California, promising torrential rains, floods and mudslides across the region.

The West Coast is preparing for a long-lasting heavy rain event from a bomb cyclone that is taking shape in the northeastern Pacific Ocean.Threat level: The rapidly intensifying storm is forecast to direct a strong atmospheric river at southwestern Oregon and Northern California for days on end,

A powerful bomb cyclone associated with a major atmospheric river is forecast to drench the West Coast, from Washington to California, midweek, potentially leading to flooding.

A powerful bomb cyclone associated with a major atmospheric river is forecast to drench the West Coast, from Washington to California, this week and could potentially lead to life-threatening flooding and blizzard conditions.