Tornado in NW ON on Sep 8
The NTP has confirmed a tornado in northwestern Ontario on September 8 based on satellite imagery review. The tree damage has been assigned an EF1 rating.Full details are available with the event summary below, along with a regional map. The event can also be plotted on a map using the NTP Dashboard .
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Event Name: Redpath Lake, ON
Date: September 8, 2026
Start Time: 4:05 PM CDT (2105 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: 51.8719N, 91.3037W
End of damage track: 51.9080N, 91.2113W
Location of worst damage: 51.8820N, 91.2830W
Description: Satellite imagery review of a storm track of interest revealed a tornado damage path through forested areas near Redpath Lake (northeast of Cat Lake). Damage assessed as EF1 tornado, with an estimated max. wind speed of 145 km/h, track length of 7.56 km and max. path width of 150 m. Tornado motion was from the WSW (approx. 240 degrees). Start time is radar estimated.
Regional map showing the start location of the EF1 tornado near Redpath Lake, ON on Sep 8.
