Millions of residents faced flood warnings, almost 50,000 people were under evacuation orders, and more than 110,000 homes and businesses were without power after more than a foot and a half (45cm) of rain fell in southern California. Swollen rivers swamped homes in small communities, inundating them with water and mud and stranding residents. Footage shows entire neighbourhoods covered in water, with cars submerged and houses flooded
