Two weak tornadoes in QC on June 19

The NTP, after a thorough ground and drone survey, is confirming that two weak tornadoes occurred in the Eastern Townships region of Quebec on June 19. Based on the damage with these events, the first tornado at Lefebvre has been assigned an EF0 rating and the second tornado at Danville has been assigned an EF1 rating.

Details are provided in the summaries below, along with regional and survey maps and images from the survey. The tornadoes can be plotted on a map using the NTP Dashboard here.


====

Event Name: Lefebvre, QC

Date: June 19, 2025

Start Time: 3:20 PM EDT (1920 UTC)

Final Classification: Tornado (Over Land)

Final EF-Scale Rating: EF0

EF-Scale Damage Indicator / Degree of Damage: C-T/DOD-3

Start of damage track: 45.7309N, 72.4440W

End of damage track: 45.7224N, 72.3706W

Location of worst damage: 45.7253N, 72.4048W

Description: Witness captured video of a tornado north of Lefebvre, where tree damage was later reported. No injuries were reported. An NTP ground and drone survey was completed on June 21, 2025, documenting a track of weak tree damage. Damage assessed as EF0 tornado, with an estimated max. wind speed of 115 km/h, track length of 5.84 km and max. path width of 230 m. Tornado motion was from the W (approx. 280 degrees). Start time is radar estimated.

 

Event Name: Danville, QC

Date: June 19, 2025

Start Time: 3:45 PM EDT (1945 UTC)

Final Classification: Tornado (Over Land)

Final EF-Scale Rating: EF1

EF-Scale Damage Indicator / Degree of Damage: FR12/DOD-4

Start of damage track: 45.7574N, 72.1751W

End of damage track: 45.7800N, 72.0002W

Location of worst damage: 45.7807N, 72.0202W 

Description: Witnesses captured video of a funnel cloud near Danville (partially obscured by topography), where damage to a barn, homes, trees and trailers was also reported. No injuries were reported. An NTP ground and drone survey was completed on June 21, 2025, documenting the track and additional tree damage. Damage assessed as EF1 tornado, with an estimated max. wind speed of 155 km/h, track length of 14.0 km and max. path width of 400 m. Tornado motion was from the W (approx. 260 degrees). Start time is radar estimated.


reginal map QC-Jun19
Regional map showing the start locations for the two QC tornadoes - Lefebvre EF0 (left) and Danville EF1 (right)

 

survey map
Map of the damage paths and collected data for the Lefebvre (left) and Danville (right) tornadoes.

 

Danville damage 1
Drone photo of the worst rated damage in the Danville tornado, a house with a collapsed carport and related partial roof loss. (45.7807, -72.0202)
 

Danville damage 2

Drone photo of a barn with partial roof loss on the west wide of Danville. (45.7775304°N, 72.0850163°W)

 

Lefebvre damage
Drone photo of worst damage along the tornado path just north of Lefebvre. (45.7253, -72.4048)