how a cyclone, humid air and atmospheric waves drove brutal heat in the southeast
- Written by Tess Parker, Research Scientist in Climate Variability and Hazards, CSIRO
Andrew Merry/GettyAustralia has always had heatwaves. But this week’s heatwave in southeastern Australia is something else. Temperatures in some inland towns in South Australia, New South Wales and Victoria were up to 20°C above average for the time of year, which meteorologists described as “incredibly abnormal”....





