Researchers with the Northern Tornadoes Project say two weak tornadoes touched down in eastern Ontario around June 30, about a week before the report’s publication. The tornadoes form along the leading edge of an afternoon thunderstorm that moves across the region. According to the researchers, one tornado follows an estimated 18-kilometre track from near Verona toward Kingston, while a second tornado is reported elsewhere in the same broader event. The tornadoes are described as weak, with impacts that include snapping trees and causing significant damage to barn roofs. The researchers say there are no reports of injuries connected to either tornado. The reports are based on the project’s assessments of damage patterns after the storm, which include field observations and an analysis of the storm environment associated with the June 30 thunderstorm. The project’s findings are presented as a confirmation of tornado activity for that date and area, while details such as exact start and end points are provided through the estimated track lengths.