Researchers confirm a tornado touched down in Repentigny, Que. Researchers at Western University say two tornadoes struck southern Quebec during a major thunderstorm last week. Researchers at Western University say two tornadoes struck southern Quebec during a major thunderstorm last week. The Northern Tornadoes Project at Western University says the tornado touched down in Repentigny, Que. The Northern Tornadoes Project previously reported that two other tornadoes touched down in southern Quebec on July 21, in St-Donat in the Lanaudière region and Harrington in the Laurentians.