Minnesota — Fire crews on the Superior National Forest fire have begun their spring prescribed fire season and, weather permitting, they hope to burn just over 7,000 acres over the next several weeks within the two million acres of the national forest located outside the Boundary Waters Canoe Area Wilderness (prescribed burns in the BWCAW are planned separately). Prescribed burning often has a narrow window of opportunity, as it is usually conducted in the spring and fall before green up and after green vegetation has died off, when vegetation is more combustible. While the forest has prescribed fire plans developed to burn up 7,059 acres, burning all planned acres depends on many factors such as weather and vegetation conditions, fire staff availability, and other considerations. Early spring drought has also reduced prescribed burning opportunities.