Scarborough, ON F0 Tornado of June 23, 2008

City of Toronto

The tornado occurred at 1:30 pm and produced no known damage. Several witnesses captured photographs of a funnel cloud, a tapered cone, and reported that there was a debris cloud visible below.

Figure 1 depicts the surface observations at 12:00 pm EDT, which shows a cold front slicing through southern Ontario and sitting just west of Toronto. This front became the focus for thunderstorm development in the GTA, which ultimately led to this tornado.

Figure 1. Surface analysis at 15Z on June 23, 2008 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 1:30 pm near Scarborough, ON. The path 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 Mon Jun 23 2008. Retrieved from:

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