Figure 1 depicts the surface observations at 7:00 am EST, which shows a cold front moving through Alberta.

According to Environment and Climate Change Canada (2018), an F0 tornado touched down near Borradaile, AB. The path and width of the tornado was not documented by ECCC.
Sources
NOAA Central Library. (2019). U.S. Daily Weather Maps. Monday August 13, 1984 [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/