Rockland, ON F0 Tornado of July 17, 1998

Prescott and Russell

At 2:00 pm, a pilot observed a funnel cloud and reported that it touched down briefly. No damage was caused by this tornado.

Figure 1 depicts the surface observations at 11:00 am EDT, which shows a low pressure exiting Quebec with a cold front in extreme eastern Ontario. Figure 1 also depicts an ongoing thunderstorm (marked as “R”) just east of Ottawa. This is the thunderstorm responsible for the F0 tornado near Rockland, ON.

Figure 1. Surface analysis at 15Z on July 17, 1998 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 EDT near Rockland, 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 Fri Jul 17 1998. Retrieved from:

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