Portugal weather: 13 districts under yellow alert for storms

The Portuguese Institute of the Sea and Atmosphere (IPMA) has issued yellow weather warnings for 13 districts in mainland Portugal due to expected meteorological instability. The warnings alert for potential thunderstorms, heavy localized rain, hail, and wind gusts reaching between 70 and 90 km/h.

Specific alert periods include: - Until 18:00: Viana do Castelo, Braga, Porto, Aveiro, and Coimbra. - Between 12:00 and 18:00: Portalegre, Évora, and Beja. - Between 12:00 and 21:00: Vila Real, Bragança, Viseu, Guarda, and Castelo Branco.

Forecasts indicate precipitation could accumulate 10 to 20 millimeters within a single hour, with hail diameters under two centimeters. Temperatures are expected to decrease slightly, particularly in the Minho and Douro Litoral regions, with maximums ranging from 16 degrees Celsius in Guarda to 26 degrees Celsius in Évora, Beja, and Santarém.