Foreign interference is an existential threat to Canada: Christian Leuprecht / MLI in Parliament
Foreign interference is an existential threat to Canada: Christian Leuprecht / MLI in Parliament
MLI welcomes Tim Sargent as Senior Fellow and Director of Domestic Policy!

What exactly are ‘zombie’ fires, and how are they affecting wildfires this spring? [Video]

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Canadian National News

The wildfire season is off to an early start in some parts of Canada — partially due to “zombie” fires that have carried over from last year. 

But what are they, exactly? And are they unusual?

Here’s a breakdown.

So, what are they?

Fires that smolder below the surface in winter are sometimes called “zombie” fires.

But experts tend to prefer the more specific and less ominous term, “overwintering” or “holdover” fires.

“You think they’re dead and then they’re back. They come back in the spring when the ground dries out,” said Lori Daniels, a forest ecology professor at University of British Columbia in Vancouver. 

Often, such fires are not easily spotted by the naked eye or even heat-detecting technology, given that they are buried deep underground.

Without much oxygen, they spread slowly, but they can flare up in spring, if the conditions are right, creating a potential hazard early in the wildfire season. High winds and dry, warm weather, in particular, can lead these fires …

Wake up, Canada. The world is a dangerous place.
Wake up, Canada. The world is a dangerous place.
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