Severe season: Canada's first tornado and microburst of 2026 confirmed

Canada's first confirmed tornado of 2026, an EF0 with 110 km/h winds, touches down in Granton, Ontario

The Northern Tornadoes Project (NTP) has confirmed Canada's first tornado and microburst of 2026 following a detailed damage survey conducted earlier this week. The storm, which passed through the Lucan, Ont. area on May 9, produced both an EF0 tornado and an EF0 microburst — the lowest rating on the Enhanced Fujita Scale.

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The EF0 microburst caused damage to a barn, removing its roof during the brief event, while the EF0 tornado toppled a vehicle, a solar panel on a pedestal, and broke large branches from trees. Fortunately, no injuries were reported.

Baron- Granton ON tornado - May 9 2026

May 9 – Lucan, Ont.

NTP conducted ground and drone surveys on May 10, 2026, confirming an EF0 microburst south of Lucan during a May 9 storm. The microburst, with an estimated maximum wind speed of 130 km/h, caused damage to a farm building. No injuries were reported.

The start time for the event is radar-estimated, and a satellite review is still underway.

NTP - LucanDB2026 - May 9

Oblique drone image showing the removed roof and fallen walls of a large barn impacted by the EF0 microburst. The barn had large openings on each end / Northern Tornadoes Project

May 9 – Granton, Ont.

The same storm also produced an EF0 tornado south of Granton, with maximum wind speeds estimated at 110 km/h. Damage included the toppling of a truck pulling a trailer and impacts to a solar panel. Limited weak tree damage was also documented in a small area.

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NTP - LucanTOR2026 - May 9

Drone image showing the solar panels and pedestal that were toppled by the EF0 tornado / Northern Tornadoes Project

While the exact track details remain uncertain due to limited damage indicators, the tornado’s path was likely at least 1 km long. The motion of the tornado was assessed as west-to-east.

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May and June are typically active months for severe weather in Ontario, so stay informed and have a safety plan ready in case of severe thunderstorms or tornado warnings.

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