Southern California ushered in heavy rainfall on the 14th, and the ongoing drought was alleviated. However, the rain has triggered the rise of the river, and residents in some areas are threatened by floods and mudslides.

Construction vehicles clear the road silt in Orange County, California, U.S., on Dec. 14. Xinhua News Agency/Midland
Residents clear their homes after a mudslide in Orange County, California, U.S., on Dec. 14. Xinhua News Agency/Midland
Vehicles pass a mudslide site in Orange County, California, on Dec. 14. Xinhua News Agency/Midland
This is a messy road surface photographed in Orange County, California, ON Dec. 14. Xinhua News Agency/Midland
Vehicles drive past signs prompting evacuation from flooded areas in Orange County, California, U.S., on Dec. 14. Xinhua News Agency/Midland
This is the river channel photographed on Dec. 14 in San Diego, California, USA. Xinhua News Agency/Midland
This is a dec. 14 photo of a vehicle submerged in river water in Los Angeles, California, USA. Xinhua News Agency/Midland
A man runs in a cloudy San Diego, California, U.S., on Dec. 14. Xinhua News Agency/Midland
People brave the rain in Monterey Park, California, on Dec. 14. Xinhua News Agency/AFP