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WATCH: Follow Canada Day tornado formation through to destruction of homes

Storm chaser videos formation of EF4 category tornado in Mountain View County through to its touchdown and the devastation it left in its wake
This EF4-rated tornado damage occurred at a farm on the west side of Highway 2A. Photo courtesy of Northern Tornadoes Project

Video courtesy of Aaron Jayjack Extreme Storm Chaser

MOUNTAIN VIEW COUNTY - Self-declared storm chaser Aaron Jayjack was on the ground in Mountain View County documenting the EF4 category tornado that struck an area between Didsbury and Carstairs on July 1.

“Full intercept video from birth to death of a violent tornado that hit homes near Didsbury, AB moments ago. #abstorm #CanadaDay #tornado ,” reads a post on Jayjack's Facebook account on July 1 which also included the video.

The Northern Tornadoes Project, in collaboration with the ECCC Prairie and Arctic Storm Prediction Centre, conducted a thorough ground and drone survey of the area, with one NTP team documenting damage the evening of the event and two NTP teams working together the next day.

The survey teams found that there was enough evidence to rate the tornado damage at EF4, with a maximum wind speed of 275 kilometres an hour. The preliminary path length is 15.3 kilometres and maximum path width is 620 metres.

According to the Northern Tornadoes Project, 12 residences were hit by the tornado: three were destroyed, four were left uninhabitable, and a further five were damaged.

RELATED: Volunteers helping with cleanup from strongest Alberta tornado since 1987 (5 photos)

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