EF0 tornado in southern QC on Aug 2

The NTP has confirmed an EF0 tornado at Repentigny in southern Quebec on August 2. The tornado developed as a weak supercell thunderstorm moved through the area. A damage survey recorded high-end EF0 damage.

Full details are available with the event summary below, along with a regional map, survey summary map, survey photos and radar imagery. The events can also be plotted on a map using the NTP Dashboard here.

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Event Name: Repentigny, QC

Date: August 2, 2026

Start Time: 2:05 PM EDT (1805 UTC)  

Final Classification: Tornado (over land)

Final EF-Scale Rating: EF0

EF-Scale Damage Indicator / Degree of Damage: SM/DOD-2

Start of damage track: 45.7439N, 73.4460W

End of damage track: 45.7524N, 73.4500W

Location of worst damage: 45.7454N, 73.4465W

Description: Damage to trees and buildings in Repentigny was reported after a storm passed through the area. No injuries were reported. An NTP ground and drone survey was completed on August 5, 2026, documenting the reported damage. Damage assessed as EF0 tornado, with an estimated max. wind speed of 130 km/h, track length of 1.00 km and max. path width of 100 m.  Tornado motion was from the SSE (approx. 160 degrees). Start time is radar estimated. Satellite imagery review is pending.


Regional map
Regional map showing the location of the Repentigny, QC EF0 tornado.

Survey map
Survey summary map showing the path of the EF0 tornado through Repentigny, QC.


Damage photo
Drone photo showing the worst damage recorded: a strip mall with panels removed from the parapet walls (DI SM, DOD2, 130km/h, EF0).

Damage photo
Drone photo of an apartment building with shingle loss near the point of worst damage (DI ACT, DOD2 LB, 130 km/h, EF0).


Radar image
Radar image at the time of the tornado at Repentigny show quite weak rotation in the radial velocity data at right (circled).