Grampians bushfire in southeast Australia produces a pyrocumulonimbus cloud
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2025/02/HIM09_VIS_SWIR_IR_AUS_PYROCB_04FEB2024_B3713_2025035_043000_0003PANELS_FRAME00010.gif)
10-minute JMA Himawari-9 AHI “Red” Visible (0.64 µm), Shortwave Infrared (3.9 µm) and “Clean” Infrared Window (10.4 µm) images (above) showed the formation of a pyrocumulonimbus (pyroCb) cloud that was spawned by a bushfire in Grampians National Park in far southeast Australia on 4th February 2025. The pyroCb exhibited cloud-top 10.4 µm... Read More