As benign weather settles in over much of the United States this week, a powerful storm is brewing for California with enough rain on the way to trigger flooding and provide a boost in snow for the mountains. #california #westcoast #atmosphericriver #rain #snow READ MORE: https://bit.ly/3u5Rh7I » Subscribe now for more videos from AccuWeather: https://bit.ly/2TQgT0O Download the AccuWeather app: » iOS: https://apple.co/3gwaSnL » Android: https://bit.ly/3xpmwGw » AccuWeather is the world’s most accurate source of weather. But don’t just take our word for it. Find out how we make a difference in the lives of more than 1.5 billion people by people who care about the weather. » Check out more weather videos here: https://www.accuweather.com/en/videos Follow AccuWeather here: » Facebook: https://www.facebook.com/AccuWeather » Twitter: https://twitter.com/accuweather