Why temperature records are being not only broken but smashed

Western Europe is currently experiencing an unprecedented early-season heatwave, with hundreds of temperature records shattered across multiple countries. The UK recorded temperatures exceeding 35°C in May, surpassing previous records by more than 2°C, a level typically seen in mid-summer rather than spring. France, Germany, Italy, Spain, Switzerland, and Ireland have also reported unusually high temperatures, with Ireland’s May record broken by 2°C. This extreme heat is driven by a persistent "heat dome," a high-pressure system trapping warm air over the region. Scientists emphasize that while the heat dome is the immediate cause, human-induced climate change has significantly intensified the severity and frequency of such heatwaves. Europe has warmed by approximately 0.56°C per decade over the past 30 years, more than twice the global average, according to the Copernicus climate service. This rapid warming has made extreme heat events more intense and more common. Experts like Richard Betts from the UK Met Office note that these events are occurring earlier and with greater intensity than climate models had initially predicted. The phenomenon of temperature records being "smashed" rather than merely broken highlights the accelerating pace of climate change. In a stable climate, new temperature extremes would become less frequent as the data record lengthens. However, the increasing frequency and magnitude of record-breaking heat underline the destabilizing impact of global warming. Scientists warn that such trends are consistent with long-standing climate projections and underscore the urgent need for mitigation and adaptation strategies. The heatwave is not confined to Europe; other parts of the world, including India, have also experienced extreme temperatures, with Delhi reaching 45°C. These widespread heat extremes pose significant risks to public health, agriculture, and infrastructure, reinforcing the critical importance of addressing climate change on a global scale.