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ONTARIO | Severe Weather

Three tornadoes confirmed in Ontario amid last week's storms


Digital writers
theweathernetwork.com

Monday, October 1, 2018, 1:15 PM - Tornado warned storms swept through parts of southwestern Ontario last Tuesday night, sparking great concern especially after a destructive tornado outbreak the week prior. Now, after damage assessment, Environment Canada has confirmed two more tornadoes and one "probable tornado" from September 25. More on the locations and impact, below.

MUST READ: Don't fear the weather, be READY. Many IMPORTANT tornado warning signs, here

TORNADO WARNED STORMS WITH 'MONSOON-LIKE RAIN'

Severe thunderstorms fired up across parts of southwestern Ontario on Tuesday, September 25, triggering tornado warnings for the Chatham-Kent, Rondeau Park, Sarnia, Petrolia and Western Lambton County regions just before 8:30 pm. Shortly after, the warning was later expanded to include Windsor, Leamington and Essex County around 8:40 pm local time. 


All tornado warnings were dropped at 9:25 pm ET., however, severe thunderstorms continued with heavy, flooding rains reported.


TORNADOES CONFIRMED

After collecting data and surveying the damage, Environment Canada has now confirmed two tornadoes and one probable tornado around or shortly after 9 pm on Tuesday, September 25. 

"A probable tornado affected the Amherstburg area," EC says. "Damage consisted of a brick welcome sign being blown over as well as large tree branches down. This is consistent with EF-0 damage. In this case there was no evidence of a long and narrow path of damage which is typical of tornadoes."

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This affected area however, was in line with the damage path of a tornado that occurred earlier that day in Michigan. 

"As a result, this is a probable tornado," adds EC.

The other two confirmed tornadoes affected the McGregor and Staples areas. The damage associated with both of these twisters are indicative of an EF-1 tornado with maximum winds between 150-170 km/h. Roof and building damage as well as downed trees were reported in both cases with the damage path roughly 2-3 km in length and a width of 50 metres.

Climatologically speaking, the province of Ontario sees 12-13 tornadoes per year, according to Environment Canada.

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