Storm Chasers returns with even more pursuit firepower. Reed Timmer jacked up his prime chase vehicle, christened the SRV Dominator. The TIV Crew led by Sean Casey fielded the next generation Tornado Intercept Vehicle. Plus, three new vehicles; Tim Samaras' Team Twistex, the TIV Doghouse and a new 2009 Jeep for the intrepid SCOUT Team.