One of three tornadoes that formed near Essex on this day, the tornado at Elimville caused minor crop damage and removed portion of a barn roof, throwing its debris into a nearby field. The tornado was on the ground for 3.7 kilometres and had a width of 10 metres. The other tornadoes were an F1 at Brinsley and an F0 at Farquhar.
Figure 1 depicts the surface observations at 2:00 pm EDT, which shows a stationary front in southwestern Ontario. This front was the focus for intense thunderstorms in the late-afternoon hours of July 13th, which ultimately led to this F0 tornado.
According to Environment and Climate Change Canada (2018), an F0 tornado touched down at 6:25 pm near Elimville, ON. The tornado travelled for 3.7 km and had a maximum width of 10 metres. The tornado caused no fatalities or injuries, but caused $30 thousand dollars in property damage.
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 18Z Tue Jul 13 2004. 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/