Catalonia’s Civil Protection agency urged residents in Tarragona’s Ebro Delta to stay indoors, as AEMET warned of 180mm (7in) of rain in 12 hours in the area.
“The situation is complicated, and more rain is forecast,” Cristina Vicente, a senior official at the agency, was quoted as saying by the La Vanguardia newspaper.
Train departures from the cities of Barcelona and Valencia, in the neighbouring Valencia region, have been suspended until further notice along the mainly coastal Mediterranean Corridor.
Several regions in south-eastern Spain – including the Balearic Islands – have in recent days been battered by heavy rains and flooding.
The severe weather has been driven by Storm Alice in the western Mediterranean.