Saintfield, ON F0 Tornado of August 10, 2005

York - Durham

At 2:00 pm, the tornado touched down and then travelled for 3.8 kilometres. Trees were snapped, a barn roof was damaged and a small shed was totally demolished.

Figure 1 depicts the surface observations at 2:00 pm EDT, which shows a stationary front in southern Ontario and a cold front extending into southwestern Ontario. These fronts became the focus for thunderstorm development throughout the afternoon across southern Ontario, which ultimately led to this F0 tornado.

Figure 1. Surface analysis at 18Z on August 10, 2005 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 2:00 pm near Saintfield ON. The tornado travelled for 3.8 km, but its width 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 Wed Aug 10 2005. Retrieved from:

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