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They can carry boulders, trees, and cars, and travel for miles. After the Thomas fire struck in 2017, a debris flow in ...

As critical fire weather ends in Southern California this week, residents have been warned about continuing threats from a weekend storm that could result in dangerous flash flooding and debris ...

A dangerous mix of scorched terrain from recent wildfires in Los Angeles and heavy rainfall is expected to create perilous conditions for flash flooding, mudslides and debris flows through Monday.