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Europe’s record-breaking May heatwave ends with 12 deaths in the UK and thunderstorm warnings across the continent, as authorities warn of worsening climate extremes.
The UK Met Office confirmed today that a historic May heatwave—with temperatures exceeding 35°C—has ended after claiming 12 lives in water-related incidents across England and Wales. Emergency services reported a surge in drownings as crowds sought relief in rivers, lakes, and reservoirs during the scorching spell, which meteorologists describe as the hottest May in decades. Cooler Atlantic air is now moving in, but the Met Office has issued a yellow thunderstorm warning for large parts of England and Wales, forecasting heavy rain, lightning, and localized flooding that could disrupt travel and damage infrastructure .
In France, the heatwave has pushed temperatures to unprecedented May levels, with authorities reporting multiple fatalities and issuing urgent health alerts for vulnerable populations. Inmates at Paris’s overcrowded Villepinte prison described conditions as "inhumane," with cramped cells and stifling heat exacerbating the crisis. Climatologist Fabio D’Andrea of France’s CNRS attributed the extreme weather to accelerating climate change, warning that such events will become more frequent and intense .
The heatwave’s impact extended across Western Europe, with France and Britain recording the highest casualties. While the immediate threat subsides, meteorologists caution that the abrupt shift to thunderstorms—common after extreme heat—could trigger flash flooding, particularly in urban areas with poor drainage. The UK’s 12 deaths underscore the dangers of sudden temperature spikes, which often lead to reckless water exposure as people seek relief from the heat.
This year’s May heatwave arrives earlier and with greater intensity than historical patterns, aligning with projections of more extreme and erratic weather under climate change. The UK Met Office and French meteorological service both note that such events are no longer outliers but part of a broader trend, with heatwaves now occurring three times more often than in pre-industrial times. As Europe braces for a summer of potential climate disruptions, officials urge preparedness for rapid shifts between heat and flooding—a hallmark of the new normal.
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