Seven Sister’s Falls, MB F1 Tornado of June 23, 2007

Whiteshell - Lac du Bonnet - Pinawa

Figure 1 depicts the surface observations at 7:00 pm CDT, which shows a stationary front across southern Manitoba. This front was the focus for intense thunderstorms in the evening hours of June 23rd, which ultimately led to this tornado.

This tornado was part of a larger outbreak of tornadoes across Manitoba, which includes:

Figure 1. Surface analysis at 00Z on June 24, 2007 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 11:00 pm CDT near Seven Sister’s Falls, MB. The path and width of the tornado was not documented by ECCC. No property damage was documented for this tornado.


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 00Z Sun Jun 24 2007. Retrieved from:

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