The pilot stated that he had just landed and hover taxied to a fuel station. He established himself in a hover approximately 20 feet southwest of the fuel station, noting that the windsock indicated a strong quartering headwind. While he was hovering, he encountered a gust of wind. The helicopter began to yaw to the right and the nose lowered. The pilot was unable to regain control and the main rotor blades struck a concrete pole. The helicopter rolled onto its right side, substantially damaging the main rotor blades, fuselage, and tail. The winds recorded at closest reporting station about the time of the accident were from 020 degrees at 11 knots, with gusts to 15 knots.