Overview
- Meteorological agencies, which issued alerts on Wednesday, say models project the surge will begin Sunday and persist at least until Tuesday with a possible extension.
- Regional services have started issuing warnings, including a high-temperature aviso from Meteocat for Catalunya and amber alerts from Euskalmet for parts of Gipuzkoa.
- Forecasts indicate daytime highs of roughly 35–42°C in many inland areas and tropical nights on the coast, with AEMET saying temperatures may run 5–10°C above normal in affected zones.
- Authorities and specialists urge reinforcing heat‑protection measures for the elderly and other vulnerable people and warn the episode will raise risks to public health, agriculture and wildfire danger.
- AEMET’s State of the Climate report underpins the alert, showing a long-term warming trend with 221 warm‑day records versus seven cold‑day records in the last decade and seasonal models giving a high chance of an unusually warm June–September.