what can you tell us, ana? reporter: hey, wolf, this is still a very active firefighting situation. we have seen, for the most part, cooler, calmer temperatures and weather conditions today which has helped firefighters make progress but you can see that big, brown cloud of smoke behind me. we had a chance to go into the zone today and we saw that the fire fight was far from over. the heart of a fire is an inferno, unpredictable and confronting these flames, crews are fighting fire with fire. the smoke around the bend here is from burnout operations, controlled burns to get ahead of the wildfire by eliminating the fuel. reporter: nearly 1,000 firefighters are bad telling this blaze between sedona and flagstaff, arizona. it has charred more than 75 hundred acres of rocky forest lands. how challenging is this for you? it s extremely challenging. reporter: this is the northeast flank of the fire