Figure 1 shows the surface observations at 4:00 pm CDT, which shows a stationary front across southeastern Manitoba. This front was the focus for thunderstorms in the early afternoon hours of August 14th, which ultimately led to this brief tornado.
According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 3:30 pm CDT near Morris, MB. The track and width of the tornado was not documented by ECCC. The tornado caused no fatalities, injuries or property damage.
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 21Z Fri Aug 14 1987. 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/