Carleton Place, ON EF0 Tornado of August 1, 2013

City of Ottawa

For the second time in a matter of days, an EF0 tornado touched down in the National Capital Region; this one struck near Carleton Place, about 45 km southwest of Ottawa. In a relatively unusual occurrence, the tornado touched down in the morning at around 9:00 am. Witnesses spotted the tornado churning in a field near Highway 7, missing trees and buildings and causing no known damage.

Figure 1. Surface analysis at 15Z on August 1, 2013 showing mean sea-level pressure (MSLP) contours, surface observations, fronts and pressure centres (WPC, 2017)


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 15Z Thu Aug 1 2013. Retrieved from: