Discovery Channel - Raging Planet (2009) Part 7 Tornados

Raging Planet is a spectacular weather and geology series built around a backbone of fascinating science. Covering dramatic weather in high definition, Raging Planet brings you up-close and personal to lightning, volcanoes, floods, avalanches, hurricanes, tornadoes, blizzards and sea storms.

Part 7: Tornadoes

Witness the awesome beauty and power of these amazing storms. See the most spectacular footage of twisters ever shot, along with the stories of people whose lives have changed forever after encountering these mega-storms.

Raging Planet (Wikipedia)

Episode One Preview Shown Here.