A small pyroCb cloud developed from the Pioneer Fire in Idaho during the evening hours on 19 August 2016, which difted quickly to the southwest; GOES-15 (GOES-West) 0.63 µm Visible and 3.9 µm Shortwave Infrared images (below) showed the fire hot spot (red pixels on the 3.9 µm images) and the pyroCb plume in the visible. Since the pyroCb occurred […]