美国加州强降雨和洪水已致1人死亡

Core Viewpoint - California is experiencing severe rainfall and flooding, with at least one confirmed fatality in Redding, Northern California, as of December 22 [1] Group 1: Impact on Population - Approximately 41 million people in California are under flood monitoring or warning, affecting areas from the northern part of the state to the Mexico border, including major cities like San Francisco, Los Angeles, and San Diego [1] Group 2: Weather Forecast - Extreme weather conditions are expected to continue impacting the entire state throughout the week, according to meteorological departments [1]