weather quiz September 21, 2020 4:58 pm Weather Quiz: Thunderstorms NBC 5 Chief Meteorologist Rick Mitchell asks a thunderstorm starts out as to which type of cloud? Wake Up to Something Good 0:52 Weather Quiz: Thunderstorm's cold top 2:26 NBC 5 Forecast: Stormy pattern through Monday 2:29 NBC 5 Forecast: On and off storm chances continue 2:28 NBC 5 Forecast: Morning flood threat. On and off storm chances for the remainder of the day. 3:50 NBC 5 Forecast: On and off storm chances