'The biggest takeaway is, this is because of us that we have seen so many fires this year.”
What's more, human-caused climate change made the fire season in Quebec — from May through July — 50% more intense than it otherwise would have been and increased the likelihood of similarly severe fire seasons at least sevenfold, researchers said.
In Quebec alone, more than 52,000 square kilometers has burned so far this year — an area 176 times larger than all of last year.Though the analysis looked only at a region of Quebec, hot temperatures and drought conditions also were at a record level in the rest of Canada, “and we know that those fire-prone conditions also are increasing in severity, especially out West,” Boulanger said.
They also assessed the cumulative effect of the weather conditions from January to July, determining that the duration of those conditions was seven times more likely. Although the analysis did a good job of assessing extreme fire weather, it didn’t capture how broadly it affected the entire country, especially in the arid West, which would show an even stronger connection to climate change, said Mike Flannigan, a professor for wildland fire at Thompson Rivers University in British Columbia.
Canada’s fire season began early, after snow melted quickly and the warmest May-June period in more than 80 years combined with sparse rainfall to dry out vegetation and make it more flammable. Windy conditions also drove the wildfires throughout most of the country.
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