Figure 1 shows the surface observations at 1:00 pm CDT, which shows a low pressure system near the Saskatchewan/Manitoba with a warm front extending east across central Manitoba and a cold front extending south across southeastern Saskatchewan. A trough of low pressure is also observed ahead of the cold front. The warm sector became increasingly unstable throughout the early afternoon hours of July 14th, which led to several tornadoes across southern Manitoba.
Several tornadoes occurred on this day:
According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 1:30 pm CDT near Grandview, 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 18Z Tue Jul 14 1992. 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/