adrenaline rush that comes while hot on the trail of extreme weather. >> we're in a tornado watch that has been issued until 8:00 this evening. >> starting to drop down a little bit. >> but what happens when the storm turns around and chases them. >> oh! oh, my god! the car was just struck by lightning! oh, my god. >> may 7th, 2000. under bright skies, storm chaser john person begins to record his experience. >> welcome to nebraska. just inside the nebraska border. we're not sure if we're at ground zero or not. >> typically during a storm chase, the skies will be really sunny and clear and safe, but all of a sudden in the afternoon the clouds will just start boiling up out of no where and then the action quickly begins from there. >> okay, as you can see, things are starting to fire up. we've got some good convection here.