Cayley, AB F2 Tornado of June 29, 1986

Okotoks - High River - Claresholm

Figure 1 depicts the surface observations at 12:00 pm MDT. There were two tornadoes on this day, the other being:

Figure 1. Surface analysis at 18Z on June 29, 1986 showing mean sea-level pressure (MSLP) contours, surface observations, fronts and pressure centres (WPC, 2017)

According to Environment and Climate Change Canada (2018), an F2 tornado touched down at 6:15 pm MDT in Cayley, AB. The tornado travelled for 100 metres and had a maximum width of 10 metres. The tornado caused $130 thousand dollars in property damage.


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 18Z Sun Jun 29 1986. Retrieved from:

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