"California on High Alert as Storm Threatens Heavy Rain, Flooding, and Mudslides"

California is preparing for heavy rain, potential flooding, and mudslides as a new storm system moves across the state. The heaviest rain is expected from Los Angeles to Santa Barbara, with some coastal hills possibly receiving up to 10 inches of rainfall. Santa Barbara, Los Angeles, Palm Springs, and San Diego are under a flood watch, and the National Weather Service has issued a high flood threat forecast for Santa Barbara and Ventura counties. Flash flooding, mudslides, and rockslides are possible, particularly in areas previously damaged by wildfires. The storm system will also bring rain to Arizona, with potential flooding in Phoenix and Tucson.