Sean Casey and the Tornado Intercept Vehicle 2 drive past in Salina, Kansas, June 3, 2009, during "Tornado Intercept Practice"...The practice simulates the deployement of vehicles and instruments near a tornado; the part of the tornado is played by this pickup truck that steadily moves towards the participants at around 20 miles per hour. ..Funded by the National Science Foundation and NOAA, Project Vortex 2 is a two year mission to study tornadoes and supercell thunderstorms. .