User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-6005381-20130211155342/@comment-6005381-20130216215451

I'm assuming he has some special ability to controll the weather like the kushal (Causes change in wether upon entering a zone). As for keeping straight, as long as he kept his body turned against the direction of the vortex he could keep straight, or he could just travell in a controlled spin.