We know that climate change is driving hotter and drier summers, and making fire seasons worse, and this is already impacting on mountain environments. Last summer there were significant fires across eastern Victoria and the Victorian Mountains, as well as in Tasmania. While the largest one burned in the Bunyip state park about 65km east of Melbourne, there were also fires which closed the Southern Alps and Foothills areas of the Alpine National Park, especially around Dargo and Licola.
One of the features of these fires was the formation of pyrocumulus clouds (as shown in the image above, taken from the north of the fire burning out of the Dargo River and onto the Dargo High Plains, with Mt Blowhard in the foreground). The Licola fire burnt with such ferocity it was visible on the Bureau of Meteorology’s radar. A huge thundercloud formed from the fire, which then produced more than 1,200 lightning strikes, some of which sparked new fires. It created unpredictable weather conditions that hampered fire fighting efforts.