Fort Assiniboine, AB F0 Tornado of August 2, 1989

Westlock - Barrhead - Athabasca

Figure 1 depicts the surface observations at 12:00 pm MDT, which shows an occluding low pressure over Central Alberta, which ultimately resulted in a tornado outbreak across Alberta.

Three tornadoes occurred on this day:

Figure 1. Surface analysis at 18Z on August 2, 1989 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 12:30 pm MDT near Fort Assiniboine, 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 Aug 2 1989. Retrieved from:

Environment and Climate Change Canada Data. (2018). Canadian National Tornado Database: Verified Events (1980-2009) – Public. Retrieved from: