Bark Lake, ON F0 Waterspout of June 28, 2008

Renfrew - Pembroke - Barry's Bay

Campers and cottagers observed this tornado touch down on Bark Lake, to the south of Algonquin Park in Central Ontario. It passed over the lake and then onto shore at around 9:00 pm, but no known damage was caused. Witness video showed the tornado to be a slender column with a ring of spray at its base.

Figure 1 depicts the surface observations at 9:00 pm EDT, which shows a warm front extending into central Ontario and a cold front entering southwestern Ontario. The warm front became the focus for thunderstorms through the evening hours of June 28th, which ultimately led to this F0 tornado.

Figure 1. Surface analysis at 00Z on June 29, 2008 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 9:00 pm over Bark Lake, 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 00Z Sun Jun 29 2008. Retrieved from:

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