Pyrocumulonimbus cloud in Australia
JMA Himawari-9 Shortwave Infrared (3.9 µm, top) and Clean Infrared Window (10.4 µm, bottom) images, from 0700 UTC to 1500 UTC on 18 December [click to play animated GIF | MP4]
The southern flank of the large wildfire complex flared up after a convective outflow boundary moved southwestward across the area between 1000-1100 UTC — the pyroCb cloud then developed by 1200 UTC.