NASA aircraft are conducting airborne sampling of smoke lofted high into the atmosphere by towering fire clouds in Utah. The clouds are described as pyrocumulonimbus—convection-driven, smoke-infused cloud systems formed by wildfires—and researchers collect air and smoke samples within these rising plumes.
NASA and other reporting describe the altitude of sampling as very high, with measurements taken from roughly 12 kilometers above ground. The work is aimed at understanding how wildfire smoke interacts with atmospheric conditions after it is injected high above the surface, including how these cloud and smoke structures transport particles through the atmosphere. The focus is on characterizing the smoke and observing the physical relationship between intense fires, cloud formation, and the surrounding weather patterns. Across outlets, the emphasis remains on the scientific sampling mission and what it can reveal about the vertical reach of wildfire pollution.