The interaction between the jet stream over North America and tropical waters during the summer can make for a stormy combination, resulting in tropical development near the U.S. East Coast. This is called a "Home Brew" system. #tropicalstorm #tropical #homebrew » Subscribe now for more videos from AccuWeather: bit.ly/2TQgT0O Download the AccuWeather app: » iOS: apple.co/3gwaSnL » Android: 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: accuweather.com/en/videos Follow AccuWeather here: » Facebook: facebook.com/AccuWeather » Twitter: twitter.com/accuweather