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Unprecedented Marine Heatwave Threatens Europe with Severe Weather

6/30/2025

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Summary

Story summary

In 2025, the Mediterranean Sea faced an unprecedented marine heatwave, with temperatures soaring 5-6 °C above normal, especially in the western basin. This alarming rise in warmth threatens severe weather and flooding later in the year, as the heated waters intensify moisture and unleash powerful thunderstorms across Europe, putting Italy and Spain on high alert.

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Story summary

In 2025, the Mediterranean Sea faced an unprecedented marine heatwave, with temperatures soaring 5-6 °C above normal, especially in the western basin. This alarming rise in warmth threatens severe weather and flooding later in the year, as the heated waters intensify moisture and unleash powerful thunderstorms across Europe, putting Italy and Spain on high alert.