Sep 8th off-lake tornadoes in southern Ontario
On Sep 8th, 2021, tornadoes developed over Lake Ontario and Georgian Bay, each moving onshore before dissipating. One was seen from the Parry Sound area, the other from Kingston. Details are provided in the summaries below.
Event Name: Delhaven Island (Georgian Bay) ON
Date: September 8, 2021
Time: 12:30 PM EDT (1630Z)
Final Classification: Tornado (Over Land)
Final EF-Scale Rating: EF0
EF-Scale Damage Indicator / Degree of Damage: C-T/DOD-2
Event location: 45.220N, 80.196W
Description: Witnesses captured video of a tornado over Georgian Bay and reported weak tree damage on Delhaven Island and near Amanda Island. Damage assessed as EF0 tornado, with an estimated max. wind speed of 90 km/h. Satellite imagery review revealed no visible damage and information available is insufficient to accurately estimate track length, max. path width and tornado motion.
See .
Event Name: Kingston ON
Date: September 8, 2021
Time: 12:55 PM EDT (1655Z)
Final Classification: Tornado (Over Land)
Final EF-Scale Rating: EF0 (default)
Event location: 44.2286N, 76.4617W
Description: Witnesses captured video of a tornado over the St. Lawrence River that came ashore east of the Kingston Harbour. While no damage was reported, a witness near the shoreline noted that a parked car was moved as the tornado passed by prior to dissipating. Satellite imagery review revealed no visible damage, and with no damage indicators impacted the EF-Scale rating is EF0 (default). Information available is insufficient to accurately estimate track length, max. path width and tornado motion.
See .
