Braeside, ON F0 Tornado of

Renfrew - Pembroke - Barry's Bay

This tornado touched down near Braeside, northwest of Ottawa in Eastern Ontario. It occurred at around 4:15 pm and knocked down trees.

Figure 1 depicts the surface observations at 2:00 pm EDT, which shows a cold front swinging through southern Ontario. This front was the focus for thunderstorm development in the afternoon, which led to this F0 tornado.

Figure 1. Surface analysis at 18Z on September 3, 1993 showing geopotential height contours, surface observations, fronts and pressure centres (WPC, 2017).

According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 4:15 pm EDT near Braeside, 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 18Z Sat Sep 3 1993. Retrieved from:

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