Figure 1 depicts the surface observations at 1:00 pm CDT, which shows an occluding low pressure over the Interlakes Region of Manitoba and a stationary front across central Manitoba. This stationary front became more of a cold front throughout the afternoon hours of July 3rd, which ultimately triggered strong thunderstorms across southern Manitoba.
There were three tornadoes on this day:
According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 2:30 pm CDT near Arnaud, 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 Sun Jul 3 2005 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/