For the second time this year, Southern Californians are evacuating their homes as heavy rain threatens new destruction in places still recovering from last month’s devastating wildfires.

Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and into the ocean and left roads submerged in sludge. While the heavy rains from the storm hitting the region began to ease Thursday night,

An atmospheric river is expected to bring torrential rain to California this week, threatening parts of the state with flash floods and mudslides.