The two individuals were among six taken to hospital after a twister touched down in Dunrobin — a rural community in Ottawa's west end — where multiple homes were severely damaged before it headed east across the Ottawa River toward Gatineau Park, according to Environment Canada.
Video: Ottawa mayor warns it could be days before power returns
On Saturday morning, Hydro Ottawa reported that 171,462 customers were still without electricity, and more than 80 poles were damaged or torn down. As well, 38,909 Hydro-Québec customers were without power as of 9:22 a.m. ET.
It is unclear when power will be fully restored. Traffic lights were also out in several spots across Ottawa. They should be treated as a four-way stop.
As of 7 a.m., six people from the Ottawa area had been taken to hospital, according to the Ottawa Hospital. As well as the two in critical condition, one person was in serious condition, two were stable and one was in fair condition.
Clean-up efforts underway in Gatineau after tornado
A dozen other minor injuries were reported, according to Ottawa's general manager of emergency services.
Early reports from Gatineau said five people sustained injuries and were taken to hospital, while hundreds were left to seek shelter.
Anthony Di Monte said earlier there were reports of 30 to 40 damaged homes in the community, and indications some people could be trapped in buildings.
Heres where power is out across the region
In these situations, we kind of have to go house to house. Power's down. Communication is problematic. And in a couple of areas, fire [department] is indicating that some people are trapped and we're attending to them," he said.
"My thoughts and prayers are with the people that were affected, and my thanks goes out to the first responders who are doing an amazing job," said Merrilee Fullerton, legislature member for Kanata-Carleton.
"I would have to say there are about 20 houses severely affected, probably more," Fullerton said.
The power loss "is not concentrated anywhere. It is just spread across the city, from Kanata all the way to Orleans," said Joseph Muglia, director of distribution operations with Hydro Ottawa.
The power company is in "damage assessment stage," said Muglia, and there are hopes efforts to restore service will start Saturday morning.
"We hope to gain some control of that overnight and certainly by morning we will start to see those numbers come down."
"This is the worst storm that we have dealt with in the history of Ottawa … at least since 1998."
Friday's storm "tracked for quite a significant distance," said Peter Kimbell, a warning preparedness meteorologist with Environment Canada.
In a subsequent interview with CBC News, Conrad said he has never had so many customers without power during his tenure at the municipal-owned electrical utility. He called it a "crisis" that will not be solved until that Hydro One transmission substation is up and running again, feeding power to an energy-starved local distribution system.
"We know for sure that there was a tornado in Gatineau because we have colleagues of mine who actually saw it."
Based on damage reports, the tornado was likely an EF-2, meaning it had sustained winds of 179 to 218 km/h. The tornado caused considerable damage, dozens of roofs were blown off homes, many trees were snapped or uprooted, and electrical transmission towers continue to be affected.
"Literally it looks like some bomb was dropped from the area, and the aerial footage I saw, the paramedics have provided a drone … it looks like something you'd see in a movie or in tornado alley in Oklahoma," Watson said of Dunrobin, a small community on the western reaches of the city, where residents were hardest hit.
Local Coun. Eli El-Chantiry, speaking from the corner of Dunrobin and Thomas Dolan roads, said there are at least 20 damaged homes nearby.
"In 30 years, I've never seen anything like this. It's devastating, the way it is now."
He said West Carleton High School, where the Red Cross is setting up, and the Dunrobin Community Centre are open to residents seeking shelter.
El-Chantiry said emergency calls should go to 911, while people seeking other help should call 311. The city has asked people not to tie up those numbers unless the need is urgent.
City crews responding to storm damage
Judi Varga-Toth, who is running against El-Chantiry in the Oct. 22 municipal election, said her home, in the same area, is literally the only one standing on her street.
"I'm looking at where my next-door neighbour's house is and it looks as if there was never a house there."
Crews in Gatineau are beginning to clean up after a powerful tornado touched down there Friday, damaging dozens of buildings and knocking out power to tens of thousands.
Her husband was home when the storm hit and their neighbour was badly hurt, she said. He brought the neighbour's child home when the woman was taken to hospital.
A release from the city stated it is "premature" to begin thinking about volunteering, but a call will go out to citizens when a coordinated approach is arranged.
Varga-Toth was at a local rural fair when, shortly before 4:30 p.m., everyone was told to get into the hockey arena or curling club. As the storm passed, arena-goers began getting texts about the devastation in Dunrobin.
There were also reports of heavy damage in the Hunt Club and Greenbank Road areas in south Ottawa, including downed power lines. Kimbell, the meteorologist, said damage is likely the result of a downburst — another kind of violent wind disturbance, and not the tornado.
The National Capital Commission tweeted out that Gatineau Park would be closed until further notice.
Ten of Canadas most high-profile tornadoes
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A tornado damaged buildings and flipped over cars as it tore its way through the Ottawa area to Gatineau on Friday.
WAR SCENE: Capital region still reeling after intense tornado rips through
Anthony Di Monte, chief of Ottawa Emergency and Protective Services, told CTV News that there are currently 30 known injuries across the city with five people in Dunrobin suffering critical injuries.
Jon Enos (R) and Zach Edwards (L) hang a Canadian flag they retrieved from the Arlington Woods home they were helping to clear of downed trees from on Saturday morning as residents in Ottawa's west end deal with the aftermath of the twister that touched down on Friday afternoon. Wayne Cuddington/Postmedia
The Ottawa Hospital said late Friday night it had received six patients, two of them in critical condition.
Videos and images on social media showed toppled trees, roofs ripped apart and streets littered with debris. One video posted to Twitter showed people rescuing a Beagle that had been trapped under rubble.
A spokesperson for Environment and Climate Change Canada told CTVNews.ca that the tornado first touched down near Dunrobin, Ont., causing "pretty significant" damage before heading across the Ottawa River.
Its devastating: Tornado levels houses, leaves trail of destruction in Ottawa, Gatineau
The City of Ottawa tweeted to confirm two locations of suspected tornado damage, with emergency staff responding to the Dunrobin and Hunt Club/Greenbank Road areas.
Tornado rips through eastern Ontario (VIDEO & GALLERY)
"The devastation is unreal," said witness Matthew Bowen. He said that approximately 10 houses and an entire mini mall in the area near his familys restaurant in Dunrobin were destroyed.
The tornado made it as far as Highway 50 near Gatineau — nearly 40 km away — overturning several cars along the way.
"They're just very grateful that, in a time of complete destruction, something is salvageable — especially a life."
Ottawa residents could be without power for days after tornado devastates Hydro One station
Environment Canada has dispatched teams from Montreal to survey the damage, and will send teams to the Ottawa area tomorrow to try and determine the strength of the storm.
Mark Choma, a spokesperson for Bell, said the company's cellular towers are intact, but electricity is an issue in some areas. Choma said service is largely unaffected, and Bell is bringing in more generators to make sure they have power.
Early estimates suggest that the tornado will be classified as an EF-2, with winds topping more than 200 km/h.
I was lucky: Man records video from inside tornado
The probability of being affected by a tornado is very, very small. And even if you look at Ottawa, the coverage of this particular tornadic storm was actually quite small. But for the people affected, its devastating, said Peter Kimbell, a meteorologist with the agency.
Tornado levels houses, leaves trail of destruction
I only have a day like this a couple times in my career. So yeah, its pretty remarkable, said Kimbell.
Environment Canada measures the intensity of wind damage using something called the Enhanced Fujita Scale, or EF-Scale. This six-point scale ranks events such as tornadoes from zero to five, with the latter being the most severe category.
Injuries, damage reported after confirmed tornado blows through Dunrobin, Gatineau
The EF-Scale also incorporates 31 damage indicators that include everything from the state of trees to houses to office buildings. In other words, these indicators essentially tell you the wind speeds needed to cause varying degrees of damage.
Power could be out for days in some areas, hours for others
For example, a one or two family residence can expect to see some visible damage if winds reach 105 km/h. With 195 km/h winds, such a dwelling would be expected to shift off its foundation while large sections of its roof would be removed. When winds hit 320 km/h, a house like this would be expected to be totally destroyed.
In Gatineau, the storm passed through within minutes, knocking out power lines and trapping people in their vehicles and homes.
Tornado rips through Ottawa and Gatineau
Residents of one six story apartment building were evacuated after the winds tore the roof from the building.
"There is no more ceiling, no more top on the top of the building where I live," witness Sylvain Cote said. "It was crazy."
The storm also appears to have caused a fire at Mont-Bleu Secondary School in Gatineau, with the latest report from CTV Ottawas Joel Haslam reporting that the school has essentially burnt down.
Ottawa: Its devastating: Tornado levels houses, leaves trail of destruction
"To everyone dealing with the aftermath of the tornado in Dunrobin, ON & the Ottawa-Gatineau area – stay safe, follow the instructions of first responders and check in with people who might need extra help," Prime Minister Justin Trudeau said on Twitter.
Ottawa Mayor Jim Watson said on Twitter that Ottawa emergency services are going door-to-door in affected areas to check on residents, and offer assistance in getting to a relief shelter opened up at a nearby high school.
On Saturday morning, Hydro Ottawa reported that approximately 171,000 customers were still without power as a result of 200 outages across their service area. Hydro Quebec said approximately 114,000 residents were in the dark on Saturday and that more than 200 teams were working to restore service to those affected.
While the weather agency warned that the situation was dangerous and potentially life-threatening, many residents seemed caught off guard by the ferocity of the storm.
Environment and Climate Change Canada had first issued a tornado warning for the Ottawa region, with subsequent warnings for Prescott and Russell United Counties east of Ottawa as well as the Papineauville – Chénéville area near Upper Gatineau.
Environment Canada assessing damage from EF-3 tornado
Warnings are expected to continue into the early evening as a cold front brings near 90 km/h southwesterly wind gusts.
Tornado just went through Dunrobin, ON about 10 minutes ago. #Onstorm lots of damage. #onwx pic.twitter.com/aOZKy4kJy4
A tornado has left behind extensive damage across our region. This photo from @MICHAELCTV on Craig Henry Drive in the citys west end. #ottnews #ottweather pic.twitter.com/T2PZ5HSaYW
To everyone dealing with the aftermath of the tornado in Dunrobin, ON & the Ottawa-Gatineau area – stay safe, follow the instructions of first responders and check in with people who might need extra help. Were monitoring the situation and thinking of everyone affected. #onstorm