What happened
The pilot was conducting practice stop-and-go landings on runway 08 when the Piper PA-18-135 encountered a whirlwind. During this encounter, the aircraft veered off the paved surface. The left wingtip struck the ground as the plane continued moving away from the runway area. The aircraft eventually came to rest in a nose-down position within a ditch.
Findings
Weather conditions at the accident airport were recorded before and after the event with wind speeds ranging from zero to seven knots from the northeast quadrant. No gusts were reported during the morning or afternoon hours surrounding the incident.