This EF0 tornado caused minor damage to properties as it moved through southwest portions of Windsor. It touched down at around 6:30 pm. It was 150m wide and travelled for 1.5 km through an area near Huron-Church Road and Grand Marais Road. Trees were snapped and had branches torn off, houses lost shingles and a gazebo was destroyed.
This was one of two tornadoes to touch down on August 19, 2014. The other:

Figure 1 depicts the surface observations at 8:00 pm EDT, which shows a warm front axtending across Michigan and an outflow boundary over Erie, PA. The warm front became the focus for intense thunderstorms in the evening hours of August 19th, which ultimately led to two tornadoes across southwestern Ontario.
Sources
NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 00Z Wed Aug 20 2014. Retrieved from: https://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php