Hanover, ON F1 Tornado of June 14, 2005

Grey - Bruce


The tornado touched down at 7:30 pm and was on the ground for 500 metres. A large barn was destroyed with boards, roofing and other debris thrown up to 150 metres away. Trees were snapped off midway up their trunks and a farmhouse had shingles torn from its roof. A police officer reported observing a funnel cloud touch down which then struck his patrol car, moving the vehicle about.

This was one of two tornadoes that touched down in Southern Ontario on June 14; the other was an F0 tornado at Orrville.

This was one of two tornado to touch down in Southern Ontario on June 14; the other was an F1 at Hanover. Figure 1 depicts the surface observations at 5:00 pm EDT, which shows a stationary front in southern Ontario. This front became the focus for intense thunderstorms in the evening hours of June 14th, which ultimately led to this F1 tornado.

Figure 1. Surface analysis at 21Z on June 14, 2005 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 near Hanover, ON. The tornado travelled for 500 metres, but its width was not documented by ECCC. The tornado caused no fatalities, injuries or property damage.


Sources

NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 21Z Tue Jun 14 2005. Retrieved from: https://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php

Environment and Climate Change Canada Data. (2018). Canadian National Tornado Database: Verified Events (1980-2009) – Public. Retrieved from: http://donnees.ec.gc.ca/data/weather/products/canadian-national-tornado-database-verified-events-1980-2009-public/