Figure 1 depicts the surface observations at 7:00 am EST.
According to Environment and Climate Change Canada (2018), an F0 tornado touched down 32 km northwest of Rimbey, AB. The path and width of the tornado was not documented by ECCC.
NOAA Central Library. (2019). U.S. Daily Weather Maps. Thursday August 2, 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/