What are 'zombie' fires, and why are they becoming more common?
(NEXSTAR) – “Zombie fires,” much like the persistent reanimated corpses for which they’re nicknamed, are known for coming back to haunt the same regions from year to year.These fires, also called holdover fires or overwintering fires, are essentially wildfires that never fully extinguish, and instead continue smoldering under the ground or snow for extended periods of time, emerging as full-on blazes when conditions allow. They typically occur in the boreal (northern) for