Oak Lake Beach, MB F0 Tornado of July 6, 1991

Virden - Souris

Figure 1 shows the surface observations at 7:00 pm CDT, which shows a cold front exiting Manitoba and an ongoing thunderstorm behind the front near Virden. This thunderstorm was responsible for this tornado in the evening hours of July 6th.

Figure 1. Surface analysis at 00Z on July 7, 1991 showing mean sea-level pressure (MSLP) contours, surface observations, fronts and pressure centres (WPC, 2017)

According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 6:30 pm CDT near Oak Lake Beach, 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 00Z Sun Jul 7 1991. 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/