A tornado that touched down in Ayr, Ont. on Aug. 17 was initially believed to be an EF1 but researchers say that, after reviewing new evidence, they’ve upgraded it to an EF2 rating.
The Northern Tornadoes Project (NTP) released their updated findings on Monday.
“Additional drone imagery collection and analysis has resulted in several changes to the assessment for this tornado, including the rating, the length and the maximum width,” they explained in a media release.
NTP said the twister caused “EF1 structural damage and EF2 tree damage along a narrow path over seven kilometres in length and nearly 400 metres at its widest.”
Ground photo showing empty railcars overturned and a large grain loader arm thrown across them. (Courtesy: Northern Tornadoes Project)
They added that “empty rail cars and a tractor trailer were overturned, and two trailers were tossed.”
“The trees …