Figure 1 depicts the surface observations at 12:00 pm MDT, which shows a stationary front across Alberta. This front became the focus for thunderstorm activity, which ultimately resulted in three tornadoes. The other tornadoes that occurred on this day were:
According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 2:30 pm MDT near Big Hill Springs Provincial Park, AB. The path and width of the tornado was not documented by ECCC.
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 18Z Wed Jul 9 1986. 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/