- AEMET warns of 'extreme danger' for rain, saying areas could receive up to 180 liters per square meter of rain within 24 hours OVIEDO, Spain Heavy rains triggered significant flooding and "extreme danger" warnings in the Barcelona area on Monday, as the same storm system that caused devastating Valencia floods remains over Spain. Authorities issued alerts to cell phones in several areas of the Barcelona province, warning residents to avoid all travel. “Schools are safe places. Don’t go