![]() ![]() What are the implications for our path towards sustainability? This may become more common in the future as a shifting seasonality of the monsoon is expected with climate change. 2 In Pakistan and northern India, the heatwave lasted longer than usual due to a delayed start to the seasonal monsoon. 1 The current heat wave in Europe is linked to a slow-moving system in the North Atlantic that allowed hot air from the Sahara to move north. In particular, smaller differences in temperature between the poles and the equator can slow the jet stream, leading to a buildup of high or low pressure weather systems, resulting in more persistent hot-dry extremes in mid-latitudes. Why is this happening?Īs climate change intensifies, disruptions to traditional global atmospheric circulation systems, such as the jet stream in the northern hemisphere, are expected across the planet, leading to more frequent and intense extreme climate events. ![]() These events occurred unseasonably early and are longer and hotter than previous heatwaves. In Spain, the 2019 heatwave has sparked the worst wildfires in 20 years forcing evacuations and drawing on military emergency personnel. ![]() Its impacts were compounded by water shortages, leading to riots, violence and major migrations out from rural areas. By the end of June, the heatwave in India became one of the longest ever recorded and killed hundreds of people. Beginning early in the year with extreme heat episodes in Australia and the Middle East, by early May temperatures then soared to 51☌ in northern India and Pakistan, and in June temperatures exceeded 45☌ in some parts of Western Europe. A string of deadly heatwaves has impacted millions around the world in 2019. ![]()
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