Sheffield, ON EF1 Tornado of October 6, 2014

Environment Canada confirms storm in Sheffield, Ont. was Ontario's 19th tornado: http://t.co/SGCFZXiqNk pic.twitter.com/uS3cwiJmPf

— CTV Toronto (@CTVToronto) October 8, 2014

This nighttime tornado struck the town of Sheffield, causing EF1 damage to homes and properties. It touched down in the town at 10:30 pm, with a width of 150m and a path that was 1.5 km long. Siding and shingles were torn from houses and windows were shattered, a travel camper was destroyed and trees down. At the community ballpark, a set of bleachers was picked up and moved a short distance through the air.

Environment Canada says the damage in Sheffield is consistent with an EF1 Tornado. Wind speeds 150 km/h. pic.twitter.com/5Tatx4bLGi

— Marc Venema (@MarcVenemaCTV) October 8, 2014

Damage strongly resembling tornado damage here in Sheffield, ON. #onstorm pic.twitter.com/V1pyWc1jWf

— Mark Robinson (@StormhunterTWN) October 7, 2014

Figure 1 depicts the surface observations at 11:00 pm EDT, which shows a cold front moving through parts of southwestern Ontario. This front became the focus for thunderstorm activity in the evening hours of October 6th, which ultimately led to this tornado.

Environment Canada investigating tornado in Sheffield http://t.co/9LezgcOnCZ pic.twitter.com/jMAajeX4Py

— CBC Canadian News (@CBCCanada) October 8, 2014

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Sources

NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 03Z Tue Oct 7 2014. Retrieved from: https://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php