And if you're wondering why the car they're in doesn't go flying or get penetrated by windblown debris, well, it's not your typical car, but a highly customized 7 ton vehicle with armor and hydraulic ground spikes.

http://www.accuweather.com/en/weather-news/watch-storm-chase...

http://www.washingtonpost.com/blogs/capital-weather-gang/wp/...

http://en.wikipedia.org/wiki/Tornado_Intercept_Vehicle