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.

Forecasters released a breakdown Tuesday of where and when heavy rainfall this week is expected to hit areas of Southern California left burn-scarred by recent wildfires, raising the risk of potentially dangerous debris flows in those parts of the region.

Three days of drenching rain, flooding and mudslides have forced evacuations and road closures, including a portion of the Pacific Coast Highway from Malibu and Pacific Palisades. The Pacific Palisades neighborhood of Los Angeles,