08/04/2026
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Wildfires can create their own weather, and one of the most dramatic examples is a pyrocumulonimbus cloud, often called a fire cloud.
The intense heat from a wildfire causes hot air to rise rapidly, carrying smoke, moisture, ash, and even burning embers high into the atmosphere.
As the rising air cools at higher altitudes, the moisture condenses into a towering cloud above the wildfire, creating a powerful storm-like system.
Scientists say these fire-generated clouds are relatively rare in Europe but are much more common during large wildfires in Canada and other parts of North America.
Experts note that Canada experiences some of the highest numbers of pyrocumulonimbus clouds in the world due to the size and intensity of its wildfire seasons.
