Mudslides and power outages due to a powerful storm sweeping California

A powerful storm swept through northern California, causing mudslides and the fall of electricity poles.

Strong winds blew over San Francisco as the storm, which was gaining in strength, turned south.

Meteorologist Mark Chenard of the National Weather Service's Weather Prediction Center said heavy rain was expected on the West Coast, with up to 10 inches of rain expected.

The storm came after one of the most intense wildfire seasons in California history, raising the risk of flash floods.

"Fire sites are areas where water usually flows faster than others and where there is the greatest risk of flash floods," Chenard warned.

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