Heatwave affecting Western Europe in the third decade of June 2026 | EU Space Support Office | EU Space Policy
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Heatwave affecting Western Europe in the third decade of June 2026
24 Jun 2026
Earth Observation | Copernicus
Cities
Climate Change
Heat Waves
Download [WEBP, 1.85 MB]
Location: France and Spain
Credit: European Union, Copernicus Sentinel-3 imagery
A severe heatwave is currently affecting western Europe, France and Spain being the most affected countries. According to the French Meteorological Agency Météo France, Tuesday 23 June was reported the hottest day recorded since measurements began in 1947. In Spain, the State Meteorological Agency (AEMET) issued a red alert for above average temperatures in several areas in the north of the Iberian Peninsula, including Gipuzkoa, Bizkaia, and Cantabria cities.<br>This data visualisation, based on data from the Copernicus Sentinel-3 satellites acquired on 23 June 2026 at 09:54 UTC, shows the Land Surface Temperatures (LST) across central and southern France, and northern Spain. Extensive red and purple areas are visible, indicating peaks of the LST exceeding 50°C. It should be noted that LST values reflect ground surface temperature rather than air temperature. Although the two are broadly correlated, they can differ significantly.<br>Copernicus Sentinel-3 provides consistent land surface temperature observations, which help monitor heat extremes and support assessments of their effects on public health, infrastructure, agriculture, and ecosystems.
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