Pembroke, ON F1 Tornado of October 25, 2001

Renfrew - Pembroke - Barry's Bay

This F1 tornado touched down in Pembroke in the early morning hours, downing trees, destroying two sheds, and damaging the roof at a Best Western motel. Figure 1 depicts the surface observations at 8:00 am EDT, which shows an occluding low pressure system over eastern Ontario.

Figure 1. Surface analysis at 12Z on September 25, 2001 showing mean sea-level pressure (MSLP) contours, surface observations, fronts and pressure centres (WPC, 2017)

According to Environment and Climate Change Canada (2018), an F1 tornado touched down at 7:00 am EDT near Pembroke, ON. The path and width of the tornado was not documented by ECCC. The tornado caused no fatalities or injuries, but caused $75 thousand dollars in property damage.


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 12Z Thu Oct 25 2001. Retrieved from:

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