The smoke billowing from the Flagstaff Ranger District near the Fort Valley Trailhead is from a prescribed burn at the experimental forest on Fort Valley Road.
Firefighters will be using drip torches to ignite over 302 acres on their one-day operation 8 miles northwest of Flagstaff. The burn is an operation in partnership with the U.S. Forest Service Rocky Mountain Research Center, Northern Arizona University and the Ecological Research Institute to study the effects of repeated exposure to low-intensity fire on the forest in a controlled location.
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Hikers on the Arizona National Scenic Trail will be rerouted during the burn operation for visitor safety, according to the U.S. Forest Service.
Southwest wind is predicted and smoke will move northeast toward Schultz Pass. Cooling temperatures in evenings will cause smoke to settle in the low-lying areas surrounding the burn, potentially impacting Doney Park, Baderville, Fort Valley, U.S. Highway 180 corridor and Rio de Flag river drainage.