Nordegg, AB F1 Tornado of July 15, 1989

Nordegg - Forestry Trunk Road Highway 734

Figure 1 depicts the surface observations at 12:00 pm MDT.

Figure 1. Surface analysis at 12Z on July 15, 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 F1 tornado touched down at 4:30 pm MDT near Nordegg, AB. The path and width of the tornado was not documented by ECCC.


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 12Z Sat Jul 15 1989. Retrieved from:

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