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Chinguacousy Twp (1849) Possible damaging tornado through the area between Caledon and Brampton. Referred to as “a terrific gale”. A specific date is unknown.
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Ingersoll (1848) A confirmed significant and powerful tornado referred to in newspaper as a “dreadful hurricane” and “whirlwind”. Tracked through the SW side of Ingersoll. Time listed as noon, exact time unknown, Direction: ~315° (NW-SE), Injuries listed as unknown, Deaths: possibly 1 death, Damage Cost: “The loss in our neighborhood will amount to some thousands of dollars”.
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Cornwall-Lancaster (1847) Significant destructive tornado crossed into Canada from New York State at Massena Point, where it was observed as a tornadic waterspout. (damage extensive in NY) It tracked through the south end of the town towards the north-east and on towards the Quebec border. A possible satellite tornado occurred “toward the rear” of Cornwall as two separate tracks were discovered. Another tornadic waterspout was sighted at the head of Long Sault, about 10km west of Cornwall. Direction: ~230° (SW-NE), track length: possibly two tracks
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North of City of Toronto (1847) A possible tornado event is referred to as a “violent hurricane”. The event occurred in the 'afternoon' specific time is unknown. Path width is defined as "A very narrow circumference" Max Width: "A very narrow circumference", Injuries and Deaths listed as unknown
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Guelph (1847) Probable tornado which tracked just north of Guelph. Large hail reported with storm which may be the cause of some damage. Storm likely spawned very strong cold front as snow was mentioned to have fallen in the days after.
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Galt (1844) Probable damaging tornado in the Galt area. Article from Dumfries Courier, Galt, August 15, 1844 Time: Evening no specific time known, Injuries listed as unknown, Deaths: (Appears on some lists as the first confirmed tornado related fatality in Canada)
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St. Albans-Holland Landing (1844) Probable significant (F2) destructive tornado which tracked through the area of the current day Holland Landing. Direction: ~225° (SW-NE)