Figure 1 depicts the surface observations at 1:00 pm CDT, which shows a trough of low pressure moving across southern Manitoba and North Dakota. This trough was responsible for triggering thunderstorms in the early afternoon hours of June 20th, which ultimately led to this tornado.
According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 1:40 pm CDT near Boissevain, MB. The path and width of the tornado was not documented by ECCC. The tornado caused no fatalities, injuries or documented property damage.
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 18Z Tue Jun 20 2006 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/