Figure 1 depicts the surface observations at 3:00 am MDT, which shows a low pressure system on the Alberta/Saskatchewan border.
Eight tornadoes occurred on this day, the other tornadoes were:
- Aldersyde, AB F1 Tornado
- Minaret, AB F1 Tornado
- Clive, AB F1 Tornado
- Tofield, AB F0 Tornado
- Dodds, AB F1 Tornado
- Wasel, AB F2 Tornado
- Cypress Hill Provincial Park, AB F0 Tornado
According to Environment and Climate Change Canada (2018), an F1 tornado touched down at 4:00 am MDT near Tofield, AB. The path of the tornado was not documented by ECCC, but its maximum width was 90 metres.
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 09Z Sun Jun 5 1988. 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/