21/04/1996 – Arthur, Ontario – Interior of destroyed house. Tornado struck night before.
Type
Tornado outbreak
Duration
April 20, 1996
Tornadoes confirmed
3 confirmed
Max. rating1
F3 tornado
Duration of tornado outbreak2
2–3 hours
Fatalities
None; 9 minor injuries
Damage
In 1996 Canadian Dollars: $8 million (adjusted to 2011, CDN $11 million)
Areas affected
Southern Ontario
Part of Tornado outbreak sequence of April 1996 and tornado outbreaks of 1996
1Most severe tornado damage; see Fujita scale 2Time from first tornado to last tornado
Southern Ontario's worst tornado outbreak of the decade came on Saturday, April 20, 1996.[1] Severe weather had raked parts of the U.S. Midwest the day before, where seventeen F2 or greater tornadoes touched down (ten in Illinois alone). A cold front was being dragged eastward into unusually warm and unstable air associated with a strong storm system moving through the northern tier of the U.S. Out of the two significant tornadoes that day, both rated F3, it was remarkable that there were no deaths. Nine people escaped with minor injuries.
Many homes were severely damaged in Williamsford, Arthur, and Violet Hill. Many areas that experienced the tornadoes on May 31, 1985, were hit once again, especially the Grand Valley area. The first tornado that touched down tore a 40 kilometre long path southeast of Owen Sound. A second tornado touched down farther south and took a 60 kilometre track from Arthur to just southwest of Barrie. There was a third brief touchdown near Orillia associated with the parent storm of the second tornado.[2]
^Arthur to Violet Hill, ON F3 Tornado of April 20, 1996 - Highways and Hailstones
^"Tornadoes – Atmospheric Hazards Web Site – Ontario – Adaptation and Impacts Research Group – [Meteorological Service of Canada – The Green Lane]". Archived from the original on 2011-07-28. Retrieved 2011-06-15.
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