Bourbonnais said when fires become powerful enough, they can generate their own winds that fuel the fire, creating spot fires on the path ahead.
Those winds can also pick up embers and burning materials, allowing them to jump huge distances across highways, rivers, or, in the case of West Kelowna, a lake.
“Those embers, you know, I’ve seen them personally travel up to five kilometres,” said Nishima-Miller.
“It’s not surprising with those extreme wind conditions that we were experiencing that those small embers picked up the two or so kilometres across the lake.”
Fast fires - CBC News
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