Damage from a tornado in west end Ottawa, ON, 22 Sept 2018 (Instagram)
Environment Canada has confirmed two powerful tornadoes ripped through west end Ottawa before touching down again in Gatineau across the Ottawa River.
Officials say dozens were hurt and at least two residents are in hospital with critical injuries.
Tens of thousands were left without power after at least 80 utility poles either snapped or were damaged.
Meteorologists say severe thunderstorms spawned one twister classified as an EF-3 with winds up to 265 km/h while another tornado was an EF-2 with winds up to 220 km/h.
Tornadoes are not uncommon in Southern Ontario but storms of this strength are rare.
Strong waves crashing ashore at Pensacola Beach, Florida, USA, 04 Sept 2018 (Instagram)
Tropical Storm Gordon has claimed at least one life after striking the American Gulf Coast late Tuesday near the Alabama-Mississippi border.
Authorities say strong winds caused a tree to fall on a mobile home in Pensacola, Florida where a child was found deceased.
The U.S. National Hurricane Centre says Gordon weakened as it moved inland and was not powerful enough to reach hurricane status.
Tornado warnings were issued after radar showed possible twisters stemming from the storm.
Forecasters say as much as 200 cm of rain (almost 80 inches) could fall and the system could have an impact on Eastern Canada by early next week.
Trees uprooted by a tornado damage a home in Waterford, Norfolk County, ON, 13 June 2018 (OPP)
Two tornadoes have been confirmed in Haldimand, Norfolk and Oxford counties as severe thunderstorms rolled through Southwestern Ontario on 13 June.
Environment Canada says a tornado categorized as an EF-2 (Enhanced Fujita Scale 2) with maximum winds of 180 km/h ripped through the communities of Jarvis and Waterford uprooting trees, ripping shingles off buildings and destroying several barns.
Damage was reported intermittently along a path roughly 32 km long.
A second, less powerful twister categorized as an EF-0 struck near the town of Norwich around the same time and caused minimal damage.
Tornado swirling near Three Hills, AB, 02 June 2017 (TWN/Twitter)
A large tornado touched down in central Alberta near Three Hills on Friday afternoon amid severe thunderstorms.
Environment Canada had issued a tornado warning for the region which lasted about half an hour.
Officials say wind speeds up to 130 km/h caused damage to trees, roofs and buildings but no one was hurt.
Residents of Angus, Ontario assess tornado damage, 17 June 2014 (Instagram)
The damage is being assessed in the small town of Angus, Ontario after thunderstorms spawned a tornado last evening.
Environment Canada officials have confirmed a twister touched down about 100 km north of Toronto but no one was seriously hurt.
Dozens of homes were damaged and while some minor injuries were reported, emergency crews say the tornado struck when most residents were awake and children were home likely preventing casualties.
Meantime, several golfers on a course near Stouffville were injured after being struck by lightning as the severe weather hit.
Woman carries a child amid tornado damage in Moore, OK, USA, 20 May 2013 (AP)
The American heartland state of Oklahoma is used to tornadoes but not one quite like this.
The U.S. National Weather Service says the tornado that hit the Oklahoma City suburb of Moore was a top-of-the-scale EF-5 twister with winds of at least 322 kilometres per hour.
Authorities say 24 people, including nine children, were killed when the tornado flattened homes and demolished an elementary school yesterday.
The tornado’s path was 27 kilometres long and two kilometres wide.
The twister is the first EF-5 tornado of 2013 to hit the United States.
Mammatus Clouds above Moose Jaw, SK, 26 June 2012 (TWN)
At least one tornado touched down near Moose Jaw, Saskatchewan yesterday.
The Weather Network says the twister hit a wide open field and no damage or injuries were reported.
Environment Canada issued a tornado warning for the area but that was dropped about an hour later as the storm cell weakened.
At the same time, strange looking clouds could be seen above Regina and Moose Jaw yesterday.
Devastation Joplin, Missouri, USA 23 May 2011 (Reuters)
The deadliest tornado to hit the United States since June 1953 struck the southwestern Missouri city of Joplin yesterday, claiming at least 90 lives.
Many more are missing and injured as searchers look through rubble in this city of 50,000.
The main hospital had its roof blown off and a nursing home and downtown restaurant area also took direct hits.
UPDATE – As of 27 May, officials say the death toll had reached 126 with more than 200 more missing.