Figure 1 shows the surface observations at 1:00 pm CDT, which shows a trough of low pressure moving across southern Manitoba. This trough was the focus for showers and thunderstorms in southeastern Manitoba, which ultimately led to this tornado.

According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 1:25 pm CDT near Anola, MB. The path and width of the tornado was not documented by ECCC. The tornado caused no fatalities, injuries or property damage.
Sources
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 18Z Tue Jul 15 1997. 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/