This #tornado is well-known as the strongest in recorded History, with 308 mph winds measured just above ground by Doppler on Wheels. This was my first ever F5 chased just outside of Bridge Creek, OK as the tornado was heading toward Moore. This tragic tornado tore through south OKC as well with 40 people losing their lives. We are chasing in a Geo Tracker on this day as freshman meteorology students at the University of Oklahoma | Reed Timmer Extreme Meteorologist