California is preparing for a series of powerful storms set to impact Southern California, with significant amounts of rain, heavy mountain snow, and dangerous flooding conditions expected. An estimated 11 million residents are currently under flood watch, and evacuation warnings have been issued in areas prone to debris flows, particularly in regions affected by recent wildfires. The National Weather Service is forecasting heavy rainfall and damaging winds, warning of potential flash flooding and widespread hazardous weather. Authorities have deployed emergency services to assist in storm preparations, while residents are advised to stay updated on weather warnings and follow evacuation orders as necessary.