Duck Bay, MB F1 Tornado of August 2, 1996

Lake Winnipegosis

Figure 1 shows the surface observations at 7:00 pm CDT, which shows a a trough of low pressure moving south across Manitoba. This trough became the focus for intense thunderstorms across central Manitoba, which ultimately led to this tornado.

Figure 1. Surface analysis at 00Z on August 3, 1996 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 7:30 pm CDT near Duck Bay, MB. The track of the tornado was not documented by ECCC, but its maximum width was 400 metres. The tornado caused no fatalities, injuries or property damage.


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 00Z Sat Aug 3 1996. Retrieved from:

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