What are zombie fires? To spot the zombie fires, Scholten and her colleagues examined daily satellite images between 2002 and 2018. Checked how early in the season those fires were occurring — overwintering fires tend to happen earlier in the spring, before most storms and lightning begin. But it wasn't clear how widespread zombie fires were. Zombie fires, also known as overwintering fires or holdover fires, are more common after hot, dry fire seasons with large fires.

Source: CBC News May 19, 2021 17:36 UTC