Storm Harry in Catalonia has triggered a severe weather alert. Consequently, residents and travellers in the northeast face two days of extreme conditions. The system will deliver torrential rain, heavy Pyrenees snowfall and dangerous coastal waves.
Civil Protection has activated multiple warnings across the region. The worst weather is expected from Monday midday until Tuesday afternoon. Officials urge the public to exercise extreme caution, particularly regarding travel. These alerts come as emergency services are already stretched; Catalan firefighters reported a 9% increase in interventions in 2025.
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Storm Harry in Catalonia: Where will it hit hardest?
The Meteorological Service of Catalonia (Meteocat) predicts the most intense precipitation will target the northeast. Therefore, the demarcations of Girona, particularly Alt Empordà, Garrotxa and Selva, will likely bear the brunt. Forecasters estimate over 200 litres of rain per square metre could accumulate in 48 hours.
River levels are currently stable, but the Catalan Water Agency (ACA) is monitoring flows closely. In a press release issued on Sunday, Civil Protection explicitly warned citizens to avoid rivers and flood-prone areas. Moreover, drivers must not attempt to cross flooded fords.
Storm Harry in Catalonia: Coastal alerts and wave warnings
A severe maritime storm is also building. Waves are expected to exceed four metres on the Costa Brava on Monday. Subsequently, they will rise to five metres by Tuesday, which will be the most dangerous day. The rough seas will affect the entire coastline.
Authorities have sent mobile alerts to 19 coastal municipalities in the Empordà regions. The risk level is extreme for these areas. Meanwhile, the warning will extend to Baix Llobregat on Tuesday.
Storm Harry in Catalonia: Snow and travel disruption
Significant snowfall is forecast for the Pyrenees, with the Ripollès region under an orange warning. Accumulations could exceed 50cm above 1,400 metres. In higher zones, wet snow may reach 80cm. This weather adds concern for natural parks, which are also dealing with the African swine fever outbreak in Collserola’s wild boar population.
Drivers in mountain areas must equip vehicles with chains. Emergency services recommend carrying a charged phone, blankets and water. Public transport may also face delays, a significant concern following the recent transfer of Catalonia’s commuter rail management.
Storm Harry in Catalonia: Impact on Valencia and the Balearics
The storm’s influence extends beyond Catalonia. In the Valencian Country, a yellow warning is in place for Marina Alta, where waves may reach three metres. Conditions will deteriorate on Tuesday, triggering an orange warning for the entire coastline.
The Balearic Islands also face severe conditions. Menorca is under a yellow warning with wind gusts up to 70 km/h and four-metre waves. In Mallorca, the Serra de Tramuntana could see 60 litres of rain in a single day. By Tuesday, maritime warnings for the archipelago will generally upgrade to orange.
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