List of Canadian tornadoes and tornado outbreaks

This page lists tornadoes and tornado outbreaks which have touched down in Canada prior to the 21st century. On average, there are around 80 confirmed and unconfirmed tornadoes that touch down in Canada each year, with most occurring in the southern Canadian Prairies, Southern Ontario and southern Quebec. Canada ranks as the country with the second most tornadoes per year, after the US. The most common types are F0 to F2 in damage intensity level and usually result in minor structural damage to barns, wood fences, roof shingles, chimneys, uprooted or snapped tree limbs and downed power lines. Fewer than 5% of tornadoes in Canada are rated F3 or higher in intensity, where wind speeds are in excess of 225 km/h (140 mph). Prior to April 1, 2013, Canada used a slightly modified Fujita scale, and as of that date the Enhanced Fujita scale, again slightly modified, was put into use to rate tornado intensity, based on the damage to buildings and vegetation.[1]

Known as 'Black Friday', an F4 tornado touches down in Edmonton, Alberta, on July 31, 1987.

Each year on average, about 43 tornadoes occur across the Canadian Prairies and about 17 occur across Ontario and Quebec.[2] New Brunswick and the British Columbia Interior are also recognized tornado zones. All other provinces and territories have significantly less threat from tornadoes. The peak season in Canada is through the summer months, (June to August), when clashing air masses move north, as opposed to the spring season in the United States southern-central plains, although tornadoes in Canada have occurred in spring, fall and very rarely winter.

The reported increase in numbers of tornadoes in recent years may reflect more reporting by citizens and media involvement rather than an actual increase in tornado occurrence (although some natural increase has not been ruled out), in addition to better detection technology i.e. Doppler weather radar and satellite imagery. The upswing could also be attributed to other factors, such as improved aerial and ground damage assessment after the fact in sparsely populated areas (particularly the case in remote parts of the Canadian Prairies and Northern Ontario, for example), better trained spotter capabilities and increased use of digital recording devices by citizens. Tornadoes in Canada are enough of a threat for a public warning system to be in place, overseen by the national weather agency, Environment Canada (EC).

For a variety of reasons, such as Canada's lower population density and generally stronger housing construction due to the colder climate, Canadian tornadoes have historically caused fewer fatalities than tornadoes in the United States. The deadliest tornado in Canadian history, the Regina Cyclone of June 30, 1912, killed 28 and injured 300. Urban centres are not immune from the threat of severe tornadoes. Ten medium to large size Canadian cities have been hit by significant strength tornadoes (F3 or higher), which caused large-scale damage and fatalities: Regina (1912); Windsor (1946 and 1974); Sarnia (1953); Sudbury (1970); Woodstock (1979); London (1984); Barrie (1985); Edmonton (1987); Goderich (2011); and Ottawa-Gatineau (2018).

All figures for damages are in Canadian dollars.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

Before 1880

1792

  • June 30 - the first recorded tornado in Canadian history affected the Niagara Peninsula between Fonthill and Port Robinson, Ontario. It levelled houses and uprooted many trees. The tornado cut a path of trees in a west to east line from both communities that became known as "Hurricane Road", which still exists today.[3]

1829

  • April 18 - an area between Collingwood and Niagara-on-the-Lake, Ontario, were affected by tornadoes, one of which lifted a saloon up into the air.
  • June 2 - the early settlement of Guelph, Ontario was destroyed by a strong tornado. Re-settlement did not begin for a few years afterwards.
  • August 7 - the first known and confirmed tornado death in Canada happened in Galt, Ontario, which is now Cambridge.

1860

  • May 19 - homes, fences and trees were demolished by a 500 m (1,600 ft) wide tornado near Aurora, Ontario. Hailstones up to 8 cm (3.1 in) in diameter also fell.

1870

  • July 16 - a tornado touched down in Montreal, Quebec. It only lasted five minutes and destroyed everything in its path. There was one unconfirmed death.[4]

1879

1880s

1880

  • June 10 - a 200 m (660 ft) wide tornado in Listowel, Ontario lifted a man up into the air. He grabbed onto a bridge to save himself.

1884

  • May 15 - a suspected F4 tornado hit Elora, Ontario. It was 500 m (1,600 ft) wide and destroyed barns, fences and stables. It also damaged a church and cemetery in Mapleton, Ontario.

1885

1888

1890s

1892

  • June 14 - a tornado hit Sainte-Rose, Quebec. It is listed as the ninth deadliest tornado in Canadian history. Six people were killed and 26 injured.
  • June 29 - a tornado touched down in London, Ontario, destroying barns and orchards.

1898

1900s

1902

  • An F4 tornado struck Chesterville, Ontario.[7]

1903

  • An F3 tornado hit Rockland, Ontario.[7]

1907

  • August 14 - A tornado 20 miles south of Vermilion Alberta on the Battle River killed 3 children and destroyed a house along with stables, and corrals.[8]

1909

  • July 1 - A tornado near Didsbury Alberta is shown in a photograph in the archives of the Glenbow Museum.[9]
  • July 16 - an F3 tornado struck near the settlement of Golden Valley, Alberta,[10] injuring four.
  • July 16 - At 10pm a strong tornado destroyed a house and injured its owner and damaged another home 14 miles north of Wilkie, Saskatchewan.[11]

1910s

1911

  • August 11 - A large tornado hit near Black Diamond, Alberta destroying some houses and a granary. One woman was badly injured.[12]

1912

  • June 30 - Canada's deadliest twister hit Regina, Saskatchewan. Known as the Regina Cyclone, it was an F4 tornado that devastated the city. More than 300 people were injured and 28 people killed. The total cost of damage was estimated to be around $4.5 million (nearly $117M in 2019).

1915

  • June 25 - a tornado struck near Medicine Hat, Alberta. The business section of Redcliff was also severely damaged, and a freight train was blown off the tracks. The storm killed two people and injured many others.[13]

1918

  • No date - a tornado touched down near Vermilion, Alberta, destroying a log house. Three children were killed, and one woman was carried 27 m (30 yd).[14]

1919

1920s

1920

1922

1923

1926

1927

  • June 18 - a tornado picked up a house in Elfros, Saskatchewan, killing one person. The damage path lasted for 11 km (6.8 mi).
  • July 7 - a strong tornado struck Vulcan, Alberta, causing significant damage in the town and surrounding area. A curling rink was destroyed, along with a dairy farm and a granary. There were no injuries.

1930s

1933

  • May 23 - a tornado passed a mile south and west of the town of Winkler, Manitoba late in the afternoon, and was photographed. The accompanying cloudburst resulted in severe flooding in the town lasting into the following day.[18]

1935

1936

  • July 6 - a tornado destroyed buildings and tossed farm equipment near Lavoy, Alberta, about 100 km (62 mi) east of Edmonton.[20]

1939

1940s

1942

  • July 25 - a small tornado was reported in the community of Mentmore, Manitoba, causing damage to buildings and crops.[21]

1944

  • July 1 - two tornadoes struck Lebret, Saskatchewan, killing four people.
  • August 9 - locally known as the "Kamsack Cyclone", a tornado touched down in Kamsack, Saskatchewan, destroying 400 homes and 100 businesses. Three people were killed and many more injured.[22]

1946

1948

  • March 19 - a tornado struck the Windsor, Ontario area. This was the earliest tornado in the year for the province until 2016.

1949

  • July 19 - the small village of Chénéville, Quebec was devastated by a tornado which lasted about three minutes.

1950s

1950

1953

  • May 21 - an F4 tornado touched down in Sarnia, Ontario, leaving seven people dead, over 40 injured, and 500 homeless. The path was estimated to be over 150 km (93 mi) long through Michigan and Ontario.

1954

1955

1958

  • April 16 - a tornado hit Watrous, Saskatchewan, destroying a large barn and scattering pigs up to 5 km (3.1 mi) away.

1959

  • June 6 - a tornado destroyed a garage in La Salle, Manitoba, yet the car inside the garage was not damaged. The tornado could be seen 15 km (9.3 mi) away in Winnipeg.

1960s

1960

  • July 18 - a violent cone-shaped tornado was reported to have torn through the Mentmore, Ingelow and Brookdale areas of Manitoba. The twister pushed 59 cars from a Canadian National Railway freight train off their tracks, damaged buildings, flattened crops, snapped power lines, uprooted trees and pushed a garage off its foundation. Damage was estimated at half a million dollars.[26]

1962

  • July 1 - a small tornado was observed near Vancouver, British Columbia. This was the third tornado recorded since the weather office opened in 1929.

1963

  • June 29 - a large tornado touched down near Spy Hill, Saskatchewan, 260 km (160 mi) northwest of Regina, destroying multiple houses and damaging property. One man was killed when he was sucked out of his house. The tornado travelled 6.4 km (4 mi), and left a 1.6 km (1 mi) wide path of destruction.[27]

1966

  • March 7 - an unconfirmed tornado touched down in Ucluelet, British Columbia, causing significant damage. It drove a metal spike through a classroom window into a blackboard.
  • June 10 - a small tornado touched down near Nanton, Alberta, tearing trees and narrowly missing ranch buildings.[28]

1967

  • April 17 - a total of four tornadoes, two being F3 in strength, touched down in Southwestern Ontario, causing at least $8.2 million in damage. The first tracked through Huron and Perth counties, flattening barns and homes, and snapping multiple trees and utility poles. The second F3 tracked from St. Jacobs to northwest of Guelph. Two F0 tornadoes were also confirmed and one person was killed.[29][30]

1968

  • April 11 - a weak tornado hit Watson, Saskatchewan, destroying a garage.
  • July 20 - a tornado struck La Riviere, Manitoba destroying several cabins, ripping the roof off the grain elevator, flipping vehicles, and downing many trees. The tornado tracked about 20 miles to northeast of Manitou with a damage path 200 yds wide. [31]

1970s

1970

  • August 20 - an early morning F3 tornado touched down near Sudbury, Ontario, causing extensive damage in the city, as well as in the suburban communities of Lively and Copper Cliff, and the more distant rural community of Field. Lively was the hardest hit, with over 300 homes damaged. The communities were given little warning of bad weather approaching, as the Sudbury Airport did not have radar that detected tornado activity. Over 200 people were injured and six were killed. The damage was estimated at $17 million, and it is listed as the eighth deadliest tornado in Canadian history.[32]

1972

  • July 22 - a tornado near Algonquin Provincial Park left a 25 km (16 mi) path, destroying a portage trail and wide swaths of red pine forest and other trees south of Lake Lavieille.
  • July 28 - a tornado tore through farmland near Bawlf, Alberta, destroying a two-storey house and several farm buildings. Two people were injured, and one person was injured and died later from the injuries.[33]

1973

1974

  • April 3 - Windsor, Ontario was hit with an F3 tornado, part of the 1974 Super Outbreak. Nine people were killed and 30 were injured, with an estimated $500,000 in damage. It is listed as the sixth deadliest tornado in Canadian history.[35]

1975

  • July 24 - a strong tornado hit Saint-Bonaventure, Quebec, approximately 80 km (50 mi) northeast of Montreal, destroying over 100 homes and businesses. Three people were killed, and over forty were hospitalized.[36]

1977

  • July 18 - an F4 tornado touched down near St. Malo, Manitoba, destroying houses and barns. Asphalt was peeled off Highway 59 as a result of the strong winds. Three people were killed.[37]

1978

  • June 27 - an F2 tore through the city of Masson-Angers, Quebec (today part of Gatineau), damaging 100 homes and injuring 35 people.
  • July 30 - an F2 tornado touched down near Yellowknife, Northwest Territories, toppling a tower and then destroying a transmission tower near Rae-Edzo. Some witnesses said that they saw a huge 1.6 km (1 mi) wide wedge coming into town from the west. The tornado caused severe damage to weakly built houses. It was the third recorded tornado in the region since 1960.[38]

1979

  • July 10 - a tornado struck the town of Glasnevin, Saskatchewan, killing one person.[39]
  • August 7 - three tornadoes struck near the Woodstock, Ontario area, causing more than $100 million in damage. The biggest were two F4 tornadoes; one starting in Woodstock and travelling southeast for 57 km (35 mi), the other starting in the south of Stratford, tearing a path southeast for 31 km (19 mi). An F0 satellite tornado accompanied the Woodstock tornado for up to 21 km (13 mi). The storms killed two and injured more than 150, while 480 houses were left uninhabitable.
  • August 8 - a tornado touched down in Regina, Saskatchewan, causing damage in the northwest end of the city. Two tornadoes were spotted that day, with one reaching F2 status, but this was unconfirmed.[40]

1980s

1980
1980 confirmed tornadoes
ABSKMBONQCNBNSPE
9124242122
1980 tornado strengths
F0F1F2F3F4F5
36164000

1981
1981 confirmed tornadoes
BCABSKMBONQCNB
071341601
1981 tornado strengths
F0F1F2F3F4F5
3182000

1982
1982 confirmed tornadoes
ABSKMBONQCNBPE
3015812111
1982 tornado strengths
F0F1F2F3F4F5
42232100

1983
  • Walpole Island saw an F2 tornado, which injured one person. It lasted 15 km (9.3 mi) on the ground and caused C$1 million in damages.[41][44]
  • Reece's Corners had the strongest tornado, rated an F4. 13 people were injured and many more left homeless. The F4 tornado was on the ground for 30 km (19 mi), and was up to 400 m (1,300 ft) in width. Damages were C$20.0 million,[41] with 15 to 25 buildings destroyed. Winds topped out near 400 km/h (250 mph).[44]
  • Kettleby was hit with an F2 tornado that lasted 10.5 km (6.5 mi) on the ground; no major damage or injuries were reported.[41][44]
  • Rexdale, a informally-defined district of Toronto, saw three F0s. They lasted on the ground from 5.87 to 9.93 km (3.65 to 6.17 mi). One caused C$1.2 million in damages. No injuries were reported.[41]

1984

1985
  • May 20 - an F0 tornado touched down near St Raphael de Bellechasse, Quebec.
  • May 31 - an F4 tornado hit Barrie, Ontario, becoming known as the "Barrie" Tornado Outbreak of 1985. It was part of the bigger 1985 United States–Canada tornado outbreak. There were 14 confirmed tornado touchdowns in the province. Twelve people were killed, eight in Barrie alone, and hundreds injured. The tornado destroyed more than 300 buildings, and damaged another 100, leaving 800 homeless. The cost was estimated at over $100 million. Another four people were killed by a tornado that struck close to Grand Valley, Orangeville and Tottenham. That tornado had a touchdown path length of over 100 km (62 mi). Another confirmed F0 tornado hit the Leamington area, as part of the outbreak.
  • June 18 - an F3 tornado was confirmed in the town of Saint-Sylvère, Quebec.
  • July 6 - an F1 tornado hit the communities of Lacolle and Hemmingford.
  • July 7 - an F1 tornado hit the Meadowvale area of Mississauga, Ontario, injuring 10 and causing $400,000 damage.
  • September 7 - a tornado touched down near Big Rideau Lake, Ontario. The storm killed one person when it overturned a houseboat cruising on the lake.[47]
  • October 4 - a weak tornado touched down in Wheatley, Ontario.

1986
  • June 1 - three tornadoes touched down in Saskatoon, Saskatchewan. There were no official ratings given for the tornadoes, although some damage indicated F3 strength winds. Roofs were thrown off houses and a warehouse was destroyed. No one was injured, and damage was estimated at over $1 million.
  • June 16 - severe storms produced an F3 tornado that travelled from Brady Lake to Maynooth, Ontario. Two other tornadoes were also reported.[48]
  • June 16 - an F3 tornado was confirmed near Lac Gareau, Quebec. It severely damaged summer chalets and overturned a truck. Two other tornadoes were reported further east. This was from the same weather system that had affected Ontario earlier in the day.[48]
  • June 18 - two tornadoes touched down near High Prairie, Alberta, tossing farm equipment and tearing the roof off a house.[49]
  • June 24 - a tornado touched down in Tingwick, Quebec, damaging 12 properties.[50]
  • June 30 - one tornado touched down near Stirling, Alberta near Lethbridge, and another tore through Cayley, 60 km (37 mi) south of Calgary. They destroyed a storage shed, tossed a van across the yard, and hurled a large horse against a barbed wire fence. No injuries were reported.[51]
  • July 9 - three tornadoes briefly touched down throughout Central Alberta. Two were spotted near Penhold and one reported south of Sylvan Lake.[52]
  • July 15 - one person was killed from an F0 tornado near Maniwaki, Quebec.
  • July 29 - four tornadoes touched down in central Saskatchewan, causing minimal damage.[48]

1987

1988

1989
  • June 19 - eight tornadoes touched down over central Saskatchewan, with winds gusting up to 130 km/h (81 mph). Hail shredded crops near Blaine Lake.
  • July 27 - a series of severe thunderstorms spawned an F1 tornado in the west end of Edmonton, Alberta.[41][58] The tornado injured two people, and damaged buildings and uprooted trees and power lines. It caused $500,000 in damages.[41][59]
  • August 14 - three tornadoes touched down in the province of New Brunswick. One hit the town of Carlisle, where trees were uprooted and a barn was destroyed. 22 out of 24 glass storm windows stored inside the barn were left undamaged.
  • November 16 - an F2 tornado caused $2 million in damage in the community of Mont-Saint-Hilaire, Quebec. This tornado was part of the November 1989 Tornado Outbreak.

1990s

1990

1991
  • March 27 - an early season tornado struck Sarnia, Ontario, causing over $25 million in damage.[61]
  • August 27 - an F3 tornado touched down in the Mauricie region. The town of Maskinongé was hardest hit among three communities, with 60% of its buildings damaged. Fifteen people were injured and the estimated damage cost was upwards of $25 million.[62]

1992
  • June 24 - tornadoes, large hail and torrential downpours affected southern Manitoba. Tennis ball sized hail fell near Morden and winds gusting to 154 km/h (96 mph) were recorded at Pilot Mound. There were five confirmed tornado touchdowns and numerous funnel clouds in Manitoba that day. There was some very crisp video footage of one rope tornado tearing up farmland near Portage la Prairie. The region had been affected by severe weather the day before as well.

1993
  • July 29 - a series of violent thunderstorms tracked across Central Alberta, spawning three tornadoes. The strongest of these was an F3 in Holden, 90 km (56 mi) east of Edmonton. An F0 touched down in near Falun, east of Pigeon Lake, and an F1 tornado was reported 60 km (37 mi) northeast of Lac La Biche.

1994
  • July 9 - one person was killed when an F2 tore through the town of Saint-Charles-sur-Richelieu, Quebec. Three other people were injured, and about a dozen homes were damaged.
  • August 4 - an F3 tornado touched down in Aylmer, Quebec across the river from Ottawa, injuring 15 people. The tornado path was 8 km (5.0 mi) long and caused major damage to a downtown residential subdivision, including homes destroyed. A second tornado had previously touched down just across the Ottawa River in Carp. In Quebec, other tornadoes touched down near Laurel and Rawdon.[63][64]
  • August 27 - a F4 tornado hit rural farmland near Turtle Mountain, Manitoba. Devastation was especially visible at Mayfair Hutterite Colony, and there was well over $1 million in damage. There were no injuries or deaths.

1995
  • June 20 - thunderstorms rumbled for seven hours over Manitoba, producing 90 km/h (56 mph) winds which blew trees and power lines over. The storm produced a weak tornado.
  • July 15 - a large progressive derecho thunderstorm produced severe winds over an expansive area of the central Great Lakes and New England overnight. It also contained at least six tornadoes that hit Central Ontario, most centred on or to the north of the Kawartha Lakes. The strongest was an F2 tornado that destroyed a marina at Bridgenorth and overturned a houseboat on Lake Chemong, trapping 20 occupants for a few hours until they were rescued, just north of Peterborough. One person was killed in Bridgenorth.
  • July 26 - a tornado in Fredericton, New Brunswick took the roof off a government building and damaged a tennis court dome.
  • August 14 - a tornado touched down near Barrie, Ontario.
  • August 29 - several farms were destroyed when a tornado lasting a couple of minutes affected Spring Valley, Saskatchewan, near Moose Jaw.

1996
  • April 20 - Multiple tornadoes hit Grey, Wellington and Dufferin counties. Two F3 class tornadoes touched down in Grey County (Williamsford), Wellington County and Dufferin County. Significant property damage occurred; nine people were injured by the two tornadoes.
  • May 20 - a strong thunderstorm damaged one of the four screens of a drive-in theatre at Thorold, Ontario in the Niagara Region. Coincidentally, this drive-in was planning to show the movie Twister that evening. Eyewitnesses reported seeing a small funnel cloud, but the physical evidence was inconclusive. Distorted and exaggerated media reports of this event abound; most claimed that the storm blew down the screen while Twister was being shown on it. The storm actually took place before sundown. However, a small tornado did touch down in Stoney Creek that same evening.
  • July 4 - an estimated nine tornadoes touched down in the Saskatoon, Maymont and Osler, Saskatchewan areas. An F3 was measured in the Maymont area, destroying power lines. Homes and property were damaged in the Osler area. Wind gusts in Saskatoon reached 120 km/h (75 mph) and 141 km/h (88 mph), damaging many trees and properties on the east end of the city. A drive-in theatre and a nightclub on the eastern outskirts of the city were also heavily damaged; the movie that was going to be shown at the drive-in that night was Twister.
  • September 6 - A tornado struck Trinity, Newfoundland, damaging houses and a shipyard building.[65][66]

1997
  • June 24 - Lantz, Nova Scotia, F0 tornado touched down in a local ball field at approximately 4:45 pm ADT (UTC−03:00). Golf ball sized hail and intense lightning were also reported with this storm.
  • July 2 - Southeast Michigan tornado outbreak in F1, F2, F3 Windsor and surrounding areas. See article for more in-depth information.
  • July 4 - an F2 tornado touched down near Grand Falls, New Brunswick. A roof was torn off a building, and farmers' fields were ripped up. The same line of storms also dropped an F2 tornado in Matapédia (New Brunswick/Quebec border), where a couple of barns were destroyed.

1998
  • June 2 - during a wider severe weather outbreak (derecho thunderstorm) that struck Southern Ontario in the mid-afternoon, an F1 tornado descended near Holbrook around 3:50 pm EDT (UTC−04:00) and travelled southeastward to Norwich, damaging many buildings, including a church. There were also tornado reports in Elmvale and Dunnville, and several reports of funnel clouds, hail, and high winds.
  • July 10 - an F2 tornado touched down in Charleston, New Brunswick, leaving a 90 m (300 ft) by 7 km (4.3 mi) path of damage. A mobile home was thrown 30 m (98 ft) and totally destroyed. There were minor injuries to the residents in the home.
  • July 19 - a weak tornado hit Daysland, Alberta, about 50 km (31 mi) east of Camrose. It damaged power lines, knocking out power to surrounding communities.
  • August 11 - a small F1 tornado went through part of Saint-Émile, Quebec City, in the suburbs of Quebec City. It overturned a shed and caused a citywide electricity loss when a garage was slammed into an electric pole.

1999
  • May 8 - a tornado over Hull, Quebec caused $2M damage and tore roofs off buildings. It was caused by the same system that produced the 1999 Oklahoma tornado outbreak between May 3 and May 8. It was the second significant tornado in the Hull-Gatineau area in five years.
  • May 18 - three tornadoes touched down close to the western limits of Saskatoon, Saskatchewan. The supercell associated with the tornadoes pelted the city with quarter-sized hail, wind gusts of nearly 100 km/h (62 mph), and over 51 mm (2 in) of rain fell from the half-hour storm.
  • July 6 - a Bois-Francs, Quebec region tornado left 4,000 without power and 200 in need of temporary shelter in Berthierville, Yamaska and Drummondville. Environment Canada records show one person was killed in the event.[62]
  • August 4 - an F2 tornado with a twisting but narrow path caused damage in the rural north end of Burlington, Ontario, relocating a motorhome 2 km (1.2 mi) from where it was parked. The tornado track was over 10 km (6.2 mi) long.
  • August 18 - a small tornado struck Pugwash, Nova Scotia, causing some localized structural damage. There were no serious injuries.

2000s

For tornadoes after 2000, see list of 21st-century Canadian tornadoes and tornado outbreaks

2000
  • May 5 - an F0 tornado was confirmed near Hazzards Corners, Ontario, 8 km (5.0 mi) northeast of Madoc. It left a 10 km (6.2 mi) long path, causing minor damage to a house and knocking over approximately 100 trees.[67]
  • May 9 - two anticyclonic tornadoes touched down in Southern Ontario, causing minor damage. The first was given an F0 rating, and occurred north of Amherstburg. Multiple trees were knocked over along a 7 km (4.3 mi) path. The second tornado, an F1, touched down in Malden Centre. It tore the roof from a storage shed, and knocked over a large shipping container along a 1 km (0.62 mi) path. No injuries were reported with either storm.[68]
  • May 23 - an F2 tornado touched down near Appin, Ontario, damaging a pig barn and killing several pigs. Multiple homes also sustained damage, and hydro poles were snapped. No injuries were reported.[67]
  • May 24 - a confirmed F1 tornado hit Gloucester, Ontario, a suburb within the city of Ottawa. It snapped trees, tore the roof off a house and ripped the canopy from a gas station.[69]
  • June 22 - an F0 tornado was confirmed near the town of Quyon, Quebec.[53]
  • July 14 - an F3 tornado struck Green Acres Campground in Pine Lake, Alberta. Known as the Pine Lake tornado, it killed 12 people and caused over $13 million in damage. It was ranked as the fourth deadliest tornado in Canadian history.
  • July 17 - three tornadoes were confirmed in Ontario after several supercell thunderstorms developed over the province. An F2 tornado formed over the city of Guelph, lasting approximately 23 minutes and leaving a path of damage 13 km (8.1 mi) long. Damage was estimated at over $2 million and one minor injury was reported. The same storm also produced a second, unrated tornado near Waterdown.[70] The third tornado, an F1, occurred in Simcoe County, near the town of Melduf. It snapped and uprooted trees, and caused minor crop damage. An aluminum shed was destroyed.[71]
  • July 18 - an F0 tornado touched down near Saint-Jean-Chrysostome, Quebec.[53]
  • July 23 - an F3 tornado touched down and destroyed one home and tossed farm equipment near Marwayne, Alberta, 35 km (22 mi) northwest of Lloydminster.[72]
  • July 24 - a tornado outbreak in southern Manitoba spawned at least 4 confirmed tornadoes, including a large tornado which touched down for 10 minutes, from 6:10 pm to 6:20 pm, 5 km (3.1 mi) west of Brunkild, Manitoba. The Brunkild tornado did not hit anything, resulting in an EF-0 rating. The other confirmed tornadoes were located north of Elm Creek, Manitoba (4:22 pm), 3 km (1.9 mi) north of Brookdale, Manitoba(5:19 pm), west of Neepawa, Manitoba(5:50 pm) and south of Plum Coulee, Manitoba (6:08 pm).[73]
  • July 26 - a tornado touched down briefly near Wabamun, Alberta, about 70 km (43 mi) west of Edmonton, causing minor damage.[74]
  • August 1 - a tornado struck Viking, Alberta.
  • August 6 - a tornado touched down near Elnora, Alberta, southeast of Pine Lake. The tornado occurred while people were gathering for a memorial service in Pine Lake for those who died in the Pine Lake tornado just a few weeks earlier.
  • August 9 - a tornado was confirmed near Sangudo, Alberta.
  • August 9 - an F1 tornado touched down near Tilbury, Ontario, destroying a barn and causing heavy damage to two farmhouses. No injuries were reported.[69]

See also

References
  1. Canada, Government of Canada, Environment and Climate Change. "Environment and Climate Change Canada - Weather and Meteorology - Enhanced Fujita Scale". ec.gc.ca. Retrieved February 9, 2017.
  2. "Environment and Climate Change Canada - Spring and summer weather hazards". February 3, 2017. Retrieved June 18, 2020.
  3. "The Weather Doctor's Diary: June". islandnet.com. Retrieved February 9, 2017.
  4. "TORNADOS.; The Storm in Montreal--Church Spires, Roofs, Chimneys, and Walls Blown Down. Destructive Gale and Mail-Storm in Maine--Buildings Destroyed and Crops Damaged" (PDF). nytimes.com. Retrieved February 9, 2017.
  5. "Weather Events: Canada's Deadliest Tornadoes". islandnet.com. Retrieved February 9, 2017.
  7. Raymond, Ted. "Dunrobin tornado strongest to hit eastern Ontario since 1902". CFRA 580 News Talk Radio. Retrieved October 5, 2018.
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