According to the pilot, he was attempting to land on runway 35. While in the landing flare, the wind shifted from a headwind to a tailwind, resulting in a 15-20 knot tailwind and an increased groundspeed. The pilot stated that he attempted a go-around procedure. The airplane stalled and fell "about 15 feet onto a fence and rocks along the fence", causing substantial damage. According to the pilot, the wind was 160 at 12 knots with gusts of 18 knots and there was light turbulence at the time of the accident.