The disaster followed extraordinary rainfall that sent fast-moving water through communities, swept vehicles into piles and filled homes and businesses with mud. In parts of Valencia, more than a year’s typical rain fell within eight hours. Emergency teams struggled to reach areas cut off by damage to roads, railways and other infrastructure while residents sought drinking water, food and cleaning supplies.

Hundreds of soldiers joined the operation in Valencia, and the regional president requested military help with aid distribution and debris clearance. Spain’s territorial policy minister said another 500 members of the Military Emergency Unit would reinforce 1,200 personnel already deployed. Search teams continued working through flooded districts as officials warned that the final toll could rise.

Prime Minister Pedro Sánchez urged residents in affected places to remain at home, while King Felipe VI said the emergency had not ended. Spain’s weather agency forecast further heavy rain for the already saturated eastern region. It issued its highest alert for Castellón province, where forecasts indicated as much as 180 millimetres could fall, and an amber alert for Tarragona.

Valencia city planned to lower pressure in its drinking-water network overnight to help supply neighboring municipalities whose systems had been disrupted. Mayor María José Catalá said the measure was designed to fill storage and support connections to roughly a dozen affected towns. She said the city itself did not face a supply shortage, though upper floors in buildings without pumps could temporarily lose service during the pressure reduction.

The storm was associated with a weather pattern known in Spain as a DANA, short for an isolated high-altitude depression. Such systems occur periodically around the Iberian Peninsula, but this one drew attention for the extreme intensity of its rainfall. Warm Mediterranean waters and an atmosphere able to hold more moisture can increase the volume released by severe thunderstorms. When intense rain falls on dry, hard ground, rapid runoff can overwhelm channels and produce flash floods.

Officials also prepared for secondary risks. Andalusia activated a flood emergency plan around rural parts of Jerez and ordered up to 300 preventive evacuations along the Guadalete River. With rain still forecast and many people unaccounted for, rescue, relief and public-safety operations remained the immediate priority. Recovery was expected to take weeks or months across the worst-hit districts.