discovery.com To get a better bead on tornado outbreaks, Sean heads back to Norman, OK to hook up with Josh Wurman and the massive VORTEX2 team. Even as tornadic supercells continue to tear across Texas, a frustrated Sean heads to Oklahoma for a reunion with his old chasing partner, Josh Wurman and the massive Vortex 2 research project. Reed sees a different opportunity: challenge Josh’s Doppler radar with his new military-grade mobile radar. The race for the holy grail of tornado data ...