The Spanish State Meteorological Agency (AEMET) has issued orange-level weather warnings for intense rainfall and storms sweeping across the Iberian Peninsula and the Balearic Islands. Fueled by an incoming front and cold air at high altitudes, the system is bringing torrential rain, large hail, and damaging wind gusts. Authorities have specifically warned of potential flooding and flash riadas in eastern regions.
Eastern Coastlines and Balearic Islands on Alert
The most severe weather is concentrated in the eastern half of the country and the Balearic Islands. Orange alerts—signifying a “significant danger”—are in effect for Catalonia, the southern regions of Aragon, the Valencian Community, eastern Castilla-La Mancha, and Mallorca. Forecasters warn that these areas could experience rainfall exceeding 40 liters per square meter in a single hour. In some locations in Catalonia, accumulations could top 100 liters within two to three hours.
The City Council of Valencia moved to suspend activities at 26 educational centers in flood-prone areas starting at 2:00 p.m. local time on Wednesday. Meteorological expert Jordi Carbó noted that while the eastern coast and the Balearic Islands face the highest accumulation, the Cantabrian coast will also experience significant, though less severe, precipitation.
Flash Flooding and Storm Dynamics
The primary danger lies in the speed of accumulation. Meteorologists explain that storms dropping 20 to 40 liters per square meter in an hour can overwhelm drainage systems and trigger rapid rises in small watercourses, even when total daily rainfall numbers appear moderate.
The storms bring multiple hazards:
- Intense Wind: Gusts between 70 and 90 km/h are expected in affected sectors of Aragon.
- Local Variability: Because these are convective storms, rainfall totals can vary drastically between neighboring towns, making real-time radar monitoring critical for residents.
Northern Temperature Plunge
The storm system is driving a widespread drop in temperatures, marking a sharp contrast to the warmer conditions seen earlier in the week. In parts of northern Spain, maximum temperatures are expected to fall by more than 10 degrees Celsius compared to Tuesday. While southern regions like Seville, Córdoba, and Granada will maintain highs near 36 degrees, cities in the north—including Burgos, Soria, and Lugo—will struggle to surpass 19 to 20 degrees.
Stabilization Expected by Weekend
The period of highest instability is expected to persist through Wednesday and into the early hours of Thursday, with the Balearic Islands, particularly Ibiza, facing continued threats of heavy rain and wind. Forecasters expect the weather to begin stabilizing on Friday, with a gradual decrease in precipitation and a subsequent rise in temperatures expected throughout the weekend. Authorities from the Civil Protection department continue to advise residents to follow local safety protocols and monitor weather updates as the front progresses.
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