Three new QC EF1 tornadoes from earlier in the season
Following a thorough satellite review for storm tracks of interest, the NTP has confirmed three new EF1 tornadoes from earlier in the season in Quebec. The first two occurred on April 29 and the second on June 23.
Details are provided in the event summaries below, along with a regional map and satellite images showing the damage to trees. The tornadoes can be plotted on map using the NTP Dashboard here.
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Event Name: Petit lac Crazy (La Vallée-de-l'Or), QC
Date: April 29, 2025
Start Time: 2:45 PM EDT (1845 UTC)
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: 47.4940N, 76.9706W
End of damage track: 47.4944N, 76.9321W
Location of worst damage: 47.4940N, 76.9427W
Description: Satellite imagery review of a storm track of interest revealed tornado damage in forested areas near Petit lac Crazy (northeast of Dorval-Lodge). Tornado damage is assessed as EF1, with an estimated max. wind speed of 145 km/h, track length of 2.91 km and max. path width of 160 m. Tornado motion was from the W (approx. 270 degrees). Start time is radar estimated. Weak downburst damage was also visible in the area.
Event Name: Harrington Lake, QC
Date: April 29, 2025
Start Time: 5:45 PM EDT (2145 UTC)
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: 45.5582N, 75.9556W
End of damage track: 45.5594N, 75.9181W
Location of worst damage: 45.5584N, 75.9413W
Description: Satellite imagery review of a storm track of interest revealed a tornado damage path through forested areas near Harrington Lake (east of Luskville). Damage assessed as EF1 tornado, with an estimated max. wind speed of 145 km/h, track length of 2.93 km and max. path width of 210 m. Tornado motion was from the W (approx. 265 degrees). Start time is radar estimated.
Event Name: Lac Melbourne (La Tuque), QC
Date: June 23, 2025
Start Time: 6:30 PM EDT (2230 UTC)
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: 47.9149N, 73.5056W
End of damage track: 47.9104N, 73.4812W
Location of worst damage: 47.9144N, 73.5025W
Description: Satellite imagery review of a storm track of interest revealed a tornado damage path through forested areas near Lac Melbourne (east of Wemotaci). Damage assessed as EF1 tornado, with an estimated max. wind speed of 145 km/h, track length of 1.90 km and max. path width of 110 m. Tornado motion was from the WNW (approx. 285 degrees). Start time is radar estimated.
Regional map showing the locations and ratings for the two QC tornadoes.
Planet.com satellite image showing the intermittent tree damage caused by the Petit lac Crazy EF1 tornado, with the length measurement superimposed.
Planet.com satellite image showing the intermittent tree damage caused by the Harrington Lake EF1 tornado, with the length measurement superimposed.
Planet.com satellite image showing the intermittent tree damage caused by the Lac Melbourne EF1 tornado, with the length measurement superimposed. Note that the area is heavily logged.
