first alert weather September 19, 2021 7:50 am Tropical Storm Peter Forms in Atlantic NBC 6 First Alert Meteorologist has more on the system, which is not forecast to impact South Florida. US & World Videos 1:45 6 to Know – Top stories of the day 1:45 6 to Know – Top stories of the day 1:50 6 to know – Top stories of the day 1:45 6 to know – Top stories of the day 1:54 6 to know – Top stories of the day