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Paris Hits Record 40.3°C; 55 Drown, Nuclear Output Down

6/27/2026

Summary

France Endures Heatwave

Paris reached 40.3 °C, the highest temperature ever recorded in the city.
In the same heatwave, 55 people drowned in France within 24 hours.
Saarbrücken recorded a provisional 41.3 °C while Basel reached 38.8 °C.
Scientists said the heatwave would have been virtually impossible without human-driven climate change, noting night-time heat is now 100 times more likely.
France’s nuclear plants cut output by about 7 % because river cooling water warmed.

Summary

Otto: Heatwave Unnatural

World Weather Attribution analysis co-founder Friederike Otto said it found El Niño did not cause Europe’s heat and the extreme temperatures are not ordinary, highlighting human-induced warming.
45 % of 854 European cities have broken or are projected to break wet-bulb globe temperature records.
Scientists stress a rapid phase-out of fossil fuels to prevent hotter summers.
The heatwave has revived interest in a speculative August 2050 forecast for France that it already matches.

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France Endures Heatwave

Paris reached 40.3 °C, the highest temperature ever recorded in the city.
In the same heatwave, 55 people drowned in France within 24 hours.
Saarbrücken recorded a provisional 41.3 °C while Basel reached 38.8 °C.
Scientists said the heatwave would have been virtually impossible without human-driven climate change, noting night-time heat is now 100 times more likely.
France’s nuclear plants cut output by about 7 % because river cooling water warmed.

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