A series of atmospheric rivers has caused flooding and damage in the Pacific Northwest and Northern California, knocking out power for hundreds of thousands of people.

Dangerous weather is battering both coasts just as the Thanksgiving holiday rush gets underway. Major storms walloped the West Coast and Northeast, bombarding millions of Americans with heavy rain and snow.

Heavy downpours fell over much of Northern California on Friday, causing small landslides, overflowing a river and flooding some streets, including in parts of San Francisco. Meanwhile tens of thousands of people were still without power in the Seattle area after several days in the dark.