Figure 1 shows the surface observations at 4:00 pm CDT, which shows an occluding low pressure on the Alberta/Saskatchewan border with a cold front extending south across Saskatchewan and North Dakota and a warm front extending east across southern Manitoba. The warm front became the focus for thunderstorm activity across central Manitoba, which ultimately led to a few tornadoes.
Several tornadoes occurred on this day:
According to Environment and Climate Change Canada (2018), an F1 tornado touched down at 6:50 pm CDT near Dropmore, MB. The path 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 Tue Jun 22 1993. 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/