severe weather March 1, 2023 7:21 pm What Is a Supercell Storm System? NBC 5 Chief Meteorologist Rick Mitchell and Telemundo 39 Chief Meteorologist Nestor Flecha explain what a supercell storm is and how it’s different from other thunderstorms. Wake Up to Something Good 0:45 Weather Quiz: Which is false 0:34 Weather Quiz: Wind energy 0:40 Weather Quiz: Weather Alerts 0:43 Weather Quiz: Cyclogenesis 0:41 Weather Quiz: First freeze