Will Canada see a repeat record-setting heat wave in summer 2022? – National

After a summer season of record-breaking temperatures and raging wildfires, Canadians needs to be ready for extra scorching heat waves within the years to come back, specialists have warned.

The intense climate occasions — attributed to climate change — that the nation noticed this previous summer season ought to function a “warning signal” that pressing local weather motion is required, mentioned Kent Moore, professor of physics on the College of Toronto, Mississauga.

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“If we proceed to heat the planet up, we’re going to see increasingly more of those occasions. They’re going to turn out to be increasingly more catastrophic,” he advised World Information.

So, what does this imply for subsequent summer season? It’s exhausting to obviously predict, specialists say, as there are various variables at play.

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Based on the newest report by the Intergovernmental Panel on Climate Change (IPCC), international floor temperature will proceed to extend till no less than the mid-century below all greenhouse emissions eventualities.


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World warming of 1.5 levels Celsius and a couple of levels Celsius can be exceeded through the twenty first century until deep reductions in carbon dioxide (CO2) and different greenhouse gasoline emissions happen within the coming many years, the UN local weather panel said in its report revealed in August.

A “warmth dome,” which is a high-pressure system that traps heat air beneath it, raised the mercury to unprecedented ranges in Canada, shattering more than 100 heat records throughout British Columbia, Alberta, Yukon and Northwest Territories this yr.

Trying on the summer season floor temperature traits, Peter Carter, an knowledgeable reviewer for the IPCC, is anxious that Canada like the remainder of the world is headed for “hellishly scorching summers.”

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Based on Carter, summer season floor heating is an important indicator because it drives rising warmth waves, drought and forest wildfires. This yr, international floor heating reached 1.15 C, NASA knowledge confirmed.

“I’m afraid till governments resolve to … put the worldwide emissions into speedy, fast and large-scale decline … we’re inevitably going to get extra worse excessive climate occasions,” he advised World Information.

As a result of Canada is positioned within the polar area, which has warmed about twice as quick as the worldwide common, it’s heating up faster than most different nations on the planet.

That’s largely due to how the greenhouse impact works, Easterbrook defined.

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“It traps outgoing warmth inside the Earth’s environment and … it’s on the poles the place the Earth loses probably the most power.”

Local weather change fashions present that international warming is irreversible within the sense that the planet can’t be cooled down, however additional warming could be stopped by halting greenhouse gasoline emissions, mentioned Easterbrook.

Like Carter, Easterbrook is satisfied Canada is in for extra dangerously scorching summers.

“I can fairly confidently say inside the subsequent decade, there’ll virtually actually be a summer season hotter than this one for Canada,” he mentioned.

“After which the longer the warming goes on, the extra of these scorching years we’ll see.”


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On prime of worldwide warming, opposing local weather patterns El Niño and La Niña could decide the severity of the subsequent summer season season.

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Throughout El Niño years, commerce winds weaken and the Pacific Ocean tends to launch extra warmth into the environment, making areas within the northern U.S. and Canada drier and hotter than ordinary.

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Throughout La Niña years, commerce winds are stronger and water temperatures turn out to be cooler-than-average within the jap Pacific Ocean close to the equator. Therefore, Northern U.S. and Canada are usually wetter and colder.

Episodes of El Niño and La Niña usually final 9 to 12 months. And whereas they happen each two to seven years, on common, they don’t have an everyday schedule, in accordance with the National Ocean Service.

Additionally, La Niña is much less frequent than its sibling, El Niño.


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When neither local weather sample is current, the El Niño-Southern Oscillation (ENSO) cycle is impartial and doesn’t affect airflow.

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“We’re probably coming into one other weak La Niña,” mentioned Anthony Farnell, World Information’s chief meteorologist, including this might “put a damper on the warming occurring across the planet in 2022”.

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For Moore, he says it’s unlikely Canada will see one other excessive summer season subsequent yr.

“We usually don’t get excessive occasions one after the opposite as a result of they’re fairly uncommon,” he mentioned.

To raised put together for subsequent yr, Easterbrook mentioned extra correct climate forecasting a month or two prematurely can be useful.

Planting extra timber can even assist present shade and have a cooling impact on the surroundings, he added.

“We actually have to make our cities and cities extra local weather resilient in terms of warmth.”




© 2021 World Information, a division of Corus Leisure Inc.

https://globalnews.ca/information/8246356/climate-change-canada-summer-2022/ | Will Canada see a repeat record-setting warmth wave in summer season 2022? – Nationwide

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