Greg Johnson, the "Tornado Hunter", signs autographs for Jon Neufeld and his daughter Adria Neufeld, as Rod Watson awaits in line. Johnson presented during the Culture Days event at the Weyburn Comp on Sept. 29. Greg Johnson is one of North America's top professional storm-chasers and severe weather experts, and is also an accomplished photographer, speaker and workshop leader. There were three days of events for Culture Days, organized by the City of Weyburn, the Weyburn Arts Council and the Sun Country Kids Club.