Crazy Mountain Dew "tornado" advertisement for the Pakistan market that features a Wrangler YJ. This would have a tough time making it through the legal in the states, even though it's obviously an over-the-top idea.
It would be probably require a stream of disclaimers:
"Always site properly in designated seating positions with seat belts securely fastened at all times."
"Professional driver, closed course. Do not attempt extreme trails without proper instruction and equipment."
"Flying in a Jeep 4x4 can be dangerous. Please consult your insurance company and doctor before attempting tornado surfing."
Another fine ad by the Applebox Asia group and Hasan Fancy Studios. Here's a real story of a Tornado Chaser and his trusty Jeep 4x4.