Piney, MB F1 Tornado of August 27, 1994

Sprague - Northwest Angle Provincial Forest

Figure 1 shows the surface observations at 7:00 am CDT, which shows a low pressure in south-central North Dakota with a trough of low pressure extending north across southern Manitoba, a cold front extending south across South Dakota and a warm front extending east across Minnesota. The trough was the focus for an intense thunderstorm across southeastern Manitoba, which ultimately led to this tornado.

Figure 1. Surface analysis at 12Z on August 27, 1994 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 9:00 am CDT near Piney, MB. The track 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 12Z Sat Aug 27 1994. Retrieved from:

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