weather quiz November 18, 2020 4:57 pm Weather Quiz: Pressure-Gradient Force NBC 5 Chief Meteorologist Rick Mitchell asks if the pressure-gradient force is increasing, one would expect an increase in what? Local 2:16 North Texas service dogs help veterans with mental health 2:11 How drones are helping first responders in Prosper 1:22 Fort Worth ISD to vote on school closures 2:09 Search continues for driver who hit Lewisville teen 2:04 Families work to protect elderly seniors in Austin