📷 Europe’s early summer heatwave captured by the copernicus_eu Sentinel-3 Sea and Land Surface Temperature Radiometer on 26 May 2026. Can you spot the areas where land surface temperatures reached records highs for May? A heatwave is a period where local excess heat accumulates over a sequence of unusually hot days and nights. Intense heatwaves can pose serious health, social, environmental, and economic risks. Timely heatwave information and #EarlyWarnings help communities prepare, reduce risks, and save lives.