热浪袭击澳大利亚 局地最高气温达47℃

Group 1 - The northern hemisphere is experiencing a cold wave in several European countries, while Australia in the southern hemisphere is facing a persistent heatwave with temperatures exceeding 40°C in multiple regions [1][3] - On August 8, temperatures in northern South Australia reached 47°C, with parts of Victoria and New South Wales also exceeding 40°C, prompting severe or extreme heat warnings from the Australian Bureau of Meteorology [3] - The extreme heat and dry conditions have led to bushfires in parts of Australia, with over 35,000 hectares burned in two areas of Victoria, forcing evacuations in nearby towns and the implementation of a total fire ban [5] Group 2 - The fire danger level in Victoria is expected to rise to "extreme" and potentially to the highest level of "catastrophic" due to strong winds and high temperatures forecasted for August 9 [5] - Approximately 450 schools in Victoria have announced closures for August 9, and multiple train services to and from the state will be suspended on that day [5]