This was a day I won't soon forget. The forecast called for very humid air, extreme instability, and strong wind shear in the MT/ND/SD area. Having all these conditions come together at the same time is quite rare and I knew something incredible would happen. I just had to be there. The day involved lots of waiting around in eastern Montana until I set my sights on this supercell in the late evening. The storm structure was otherworldly, looking like a tsunami in the sky. When the first tornado dropped there were hills in the way and road options to get closer were limited. But outside of Buffalo, South Dakota, finally the twister became visible. The tornado lifted and planted again about 4 times. It was looking the best as the sun was setting at 9pm. I was never closer than about 9 miles, but this gave me the advantage of seeing more of the storm's structure. Now I finally have a tornado clip to finish up my time lapse film.