Figure 1 shows the surface observations at 7:00 am CDT, which shows a low pressure in north-central North Dakota bringing southerly flow across southern Manitoba. A cold front would later move through the province, triggering supercells along the way, which ultimately led to this tornado.
According to Environment and Climate Change Canada (2018), an F1 tornado touched down at 7:30 pm CDT near Hillside Beach, MB. The path and width of the tornado was not documented by ECCC. The tornado caused no fatalities, injuries or property damage.
NOAA Central Library. (2020). U.S. Daily Weather Maps. Wednesday July 8, 1985 [PDF]. Retrieved from https://library.noaa.gov/Collections/Digital-Collections/US-Daily-Weather-Maps
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/