Briefing
The Departamento vasco de Seguridad activated a yellow (alerta amarilla) warning for heavy rainfall in the Basque Country on Thursday, 20 August 2026. The official notice gives the period between 12:00 and 21:00 as the validity window; during these hours, local rainfall may exceed more than 15 litres per square metre within an hour. Moderate to thundery showers are expected, locally heavy and potentially bringing hailstones around 1–2 centimetres in size. (Source: Europa Press, direct communication from the Basque Government.)
At the same time, the national authority Protección Civil y Emergencias, drawing on forecasts from the state weather agency AEMET, has issued a general warning of widespread rainfall across large areas of the north and east of the Iberian Peninsula. In its situation assessment of 18 August 2026, the authorities point to cooling associated with the passage of a weather system and the arrival of unstable air masses, which may persist until the weekend and locally bring prolonged, sometimes heavy rainfall. Valley and ravine areas remain particularly at risk, where heavy showers may cause flooding and flash floods. (Source: Secretaría General de Protección Civil y Emergencias / AEMET.)
The authorities recommend not parking vehicles in low-lying areas, not driving through flooded stretches of road during heavy rainfall, and following local traffic information and alerts from municipalities and the civil protection service. The incident can be clearly attributed to the Basque Country; it is a regional weather warning that refers to national coordination by Protección Civil and AEMET.
Editor: Andreas M. Brucker (Article created with AI assistance).