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This image uses data from the Copernicus Sentinel-3 mission’s radiometer instrument and shows the land surface temperature across Europe and parts of northern Africa in the morning of 10 July 2023. Land surface temperatures hit 46°C in Rome, Italy, while Madrid and Seville reached 46 and 47°C, respectively.
Owing to the time difference between the acquisitions of the three swaths that capture the entire area, temperatures between countries are not directly comparable.
While weather forecasts use predicted air temperatures, this satellite instrument measures the real amount of energy radiating from Earth – and depicts the real temperature of the land surface. Therefore, the map shows the actual temperature of the land’s surface which is significantly hotter than air temperatures.
Read full story: Europe braces for sweltering July