North Texas May 30, 2017 5:05 pm Weather Quiz: Thunderstorm Outflow Boundary NBC 5 Meteorologist Rick Mitchell asks: A thunderstorm outflow boundary has characteristics similar to what? Wake Up to Something Good 1:37 Damage in Cooke County after tornado Saturday night 1:58 Two-time PGA Tour winner Grayson Murray dies at 30 2:06 Family doubles reward for information in Texas soldier's murder 3:38 Barrel racer works to get back in the saddle after injury 1:34 Hip Hop, R&B festival to make its North Texas debut