Golf-ball sized hail pounds Airdrie, Alta., as ‘gustnado’ touches down in Calgary Roy / Friday, August 8, 2014 / Categories: Storms Hail damaged homes and cars near Airdrie, Alta., while something called a “gustnado” appears to have touched down on the outskirts of Calgary. The nasty storm hit Thursday afternoon and evening, bringing with it hail as big as golf balls and a fair bit ... Comment Collapse Expand Comments (0) warning You don't have permission to post comments.