Mount Brydges, ON F0 Tornado of September 8, 1992

London - Middlesex

At about 10:45 am, witnesses observed a funnel cloud which touched down, snapping a tree and ripping up corn. Figure 1 depicts the surface map in the morning of September 8th, which shows an approaching cold front and pre-frontal trough responsible for triggering thunderstorms.

Figure 1. Surface analysis at 15Z on September 8, 1992 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 10:45 am EDT near Mount Brydges, ON. The track and width of the tornado was not documented by ECCC. The tornado caused no fatalities, injuries or property damage.


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 15Z Tue Sep 8 1992. Retrieved from:

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