Canada Day tornado and downburst in southern QC
NTP investigations including a ground / drone survey have turned up an EF1 tornado and an EF1 downburst that occurred with July 1st storms northwest of Montreal. Details are provided below.
Event Name: Lac Quenouille, QC
Date: July 1, 2022
Time: 5:58 PM EDT (2158Z)
Final Classification: Tornado (Over Land)
Final EF-Scale Rating: EF1
EF-Scale Damage Indicator / Degree of Damage: C-T/DOD-5
Start of damage track: 46.1797N, 74.3755W
End of damage of track: 46.1804N, 74.3555W
Location of worst damage: 46.1806N, 74.3561W
Description: Satellite imagery review revealed areas of weak tree damage in Val-des-Lacs near Lac Quenouille and Lac du Cornet, co-located with a velocity couplet seen by CASBV radar. An NTP ground and drone survey was completed on July 6, 2022. Damage assessed as EF1 supercell tornado, with an estimated max. wind speed of 145 km/h, track length of 1.64 km and max. path width of 70 m. Tornado motion was from approx. 265 degrees.
Large swath of trees down in varying directions with the Lac Quenouille EF1 tornado.
Event Name: Riviere-Rouge, QC
Date: July 1, 2022
Time: 5:05 PM EDT (2105 UTC)
Final Classification: Downburst
Final EF-Scale Rating: EF1
EF-Scale Damage Indicator / Degree of Damage: C-T/DOD-5
Location of worst damage: 46.3106N, 74.9566W
Description: Tree damage was reported near Riviere-Rouge, Lac Lesage and Labelle after a storm passed through the area. No injuries have been reported at this time. Satellite imagery review revealed intermittent downburst damage along a swath approx 27 km long and up to 4.6 km wide. An NTP ground and drone survey was completed on July 6, 2022. Damage assessed as EF1 downburst, with an estimated max. wind speed of 145 km/h.
Large swath of trees down mostly from the west with the Riviere-Rouge EF1 downburst.
