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.

Tens of thousands of homes in Washington state lost power Tuesday and downed wires or trees locked some highways as Northern California and the Pacific Northwest started feeling the effects of a powerful atmospheric river event,

Heavy rain, flooding and strong winds are expected to last through Friday, bringing more than 10 inches of rain to some regions.