At 8:55 pm, witnesses observed a tornado on the ground which they described as a large cloud of circling vapour and debris. No damage was caused by this tornado.
Figure 1 depicts the surface observations at 8:00 pm EDT, which shows a line of thunderstorms or squall lines ongoing in Michigan. This line moved east into southwestern Ontario through the evening and ultimately led to two F0 tornadoes near Maidstone.
According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 8:55 pm near Maidstone, ON. The tornado travelled for 500 metres, but its width was not documented by ECCC. The tornado caused no fatalities, injuries or property damage.
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 00Z Mon Jun 6 2005. Retrieved from: https://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php
Environment and Climate Change Canada Data. (2018). Canadian National Tornado Database: Verified Events (1980-2009) – Public. Retrieved from: http://donnees.ec.gc.ca/data/weather/products/canadian-national-tornado-database-verified-events-1980-2009-public/