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

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.