I don't know what the wind speed was, but there's a video on YouTube of a 747 in storage which started lifting off the ground because of a strong headwind. I'm no engineer, but there's definitely more to this than just the light weight (relatively speaking).

Matt - Any chance you have a high res version of the photo?

My 2010 Mazda 3 hatch has gotten me through numerous cross-country moves while towing my motorcycle, has served as a wonderfully water and bear proof tent numerous times with plenty of space to do the dirty, and yet it can be thrown around almost like it's a dedicated sports car on stock suspension. And despite only…