Record heat scorches Europe and Asia as Slovakia hits 42C, power plants shut down

A simultaneous heatwave across Europe and Asia is breaking national temperature records, shutting down power plants, and destroying crops.

Slovakia recorded a national temperature record of 42C as a sweeping heatwave simultaneously baked Europe and large parts of Asia, forcing authorities in Poland to shut down two power plants — Kozienice and Połaniec — because of the extreme heat. In the UK, temperatures reached 37C for the third time this year, while Greece battled gale-force winds that raised serious wildfire fears. A former UK government scientific adviser described the conditions as 'shattering' and warned that worse is still to come. Across Asia, the heat was equally severe. South Korean farmers reported potatoes effectively cooking underground in the soil, while Hong Kong logged its highest temperature ever recorded. Japan is experiencing days now officially classified by authorities as 'cruelly hot,' a newly designated weather category reflecting conditions beyond standard heat warnings. Europe is warming at roughly twice the rate of any other continent, according to climate reporting, making the region particularly vulnerable to escalating extreme heat events. The 2026 heatwave has already produced deadly consequences across multiple countries, with the convergence of high temperatures, drought conditions, and wind creating compounding hazards. The simultaneous nature of the crisis — striking Europe and Asia at the same time — underscores the global scale of the heat event. Critical infrastructure such as power plants, which require water for cooling, face operational shutdowns precisely when electricity demand for cooling is highest, a feedback loop that poses serious risks to grid stability.

Why it matters

Power grid failures during peak heat can turn dangerous conditions deadly, particularly for elderly and vulnerable populations who depend on air conditioning. The simultaneous crop destruction across South Korea and infrastructure shutdowns in Poland signal economic and food security consequences beyond the immediate health emergency.

What's next

A former UK scientific adviser warned that temperatures are likely to climb further, suggesting the current heatwave has not yet peaked across affected regions.

Key facts

• Slovakia recorded a new national temperature high of 42C during the heatwave
• Poland shut down the Kozienice and Połaniec power plants due to extreme heat
• The UK reached 37C for the third time in 2026
• Hong Kong recorded its highest temperature ever measured
• Japan introduced a new official weather category called 'cruelly hot' days
• Europe is warming approximately twice as fast as any other continent

Bias & framing notes

All four sources are from The Guardian, meaning there is no independent corroboration across different outlets, which limits the trust score despite the quality of the publication. Coverage consistently emphasizes climate change as the driver and foregrounds impact on people and infrastructure, with no space given to any dissenting scientific or policy perspectives. The framing is urgent and alarm-oriented throughout, though the facts reported — specific temperatures, named power plants, official weather designations — are concrete and attributable.

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