THE PILOT WAS ATTEMPTING A TAKEOFF IN GUSTY CROSSWINDS. HIS TAKEOFF ROLL WAS PARALLEL TO A FENCE ON THE EDGE OF AN OPEN FIELD FROM WHICH HE WAS DEPARTING. BECAUSE OF THE CROSSWIND, THE PILOT HAD TO HOLD THE RIGHT WING DOWN DURING THE TAKEOFF ROLL. HIS AIRCRAFT WAS HIT BY A STRONG GUST JUST AS HE WAS LIFTING OFF, AND HE FAILED TO ROLL WINGS-LEVEL IN TIME TO KEEP THE AIRCRAFT FROM TURNING TO THE RIGHT AND IMPACTING THE FENCE.