The State Meteorological Agency (AEMET) has issued a special warning regarding the approach of a new Atlantic squall, forecasted to arrive on Wednesday, January 29, 2025. This weather system is expected to bring strong winds, significant swell, and precipitation across parts of the Iberian Peninsula, while the Canary Islands will remain unaffected by its direct impact.
Current Conditions: Squall Herminia
At present, Squall Herminia is centred over the British Isles, causing adverse weather across northern Spain. The system is generating severe storms in Galicia and the Cantabrian regions, with its effects extending to a large part of the Iberian Peninsula and parts of the Balearic Islands by Monday.
Phenomena Associated with Herminia
- Strong Winds:
- Wind gusts exceeding 100 km/h in Galicia and along the Cantabrian Coast.
- Widespread gusts of 70-80 km/h expected over much of the Peninsula and Balearic Islands by Monday.
- High Waves:
- Significant swell, with wave heights reaching 8-10 metres along the northwest Galician coast.
- Heavy Precipitation:
- Persistent rainfall in Galicia, the Central System, and the Pyrenees, with accumulations up to 120 mm.
- Snowfall starting at 800 metres in the northwest and up to 1400 metres in the Pyrenees and Central System.
Forecast for Wednesday: A New Atlantic Squall
A new Atlantic squall is expected to arrive on Wednesday, intensifying the stormy conditions over northwestern Spain. Key aspects include:
- Wind:
- Potential hurricane-force gusts in high mountain areas and along exposed coastlines.
- Strong winds persisting in the northwest.
- Swell:
- Coastal storm conditions in Galicia and the Cantabrian Sea, with waves reaching heights of 6-8 metres.
- Precipitation:
- Further rainfall in the northwest and mountain regions.
- Possible snow in higher elevations, with details on accumulation and intensity yet to be confirmed.
The exact path and intensity of this new system remain uncertain, with AEMET closely monitoring its development.
Impacts on the Canary Islands
Unlike the Iberian Peninsula, the Canary Islands will not be directly affected by the new squall. The archipelago’s weather will remain stable, with no significant changes expected. However, a pre-alert for coastal phenomena has been issued for some areas and will remain in effect throughout the week.
Recommendations and Safety Advice
Residents in the affected areas of the Iberian Peninsula are advised to take precautions:
- Avoid unnecessary travel in regions with strong winds and heavy rain.
- Exercise caution along coastal areas due to high waves.
- Follow updates from AEMET for the latest forecasts and advisories.
The public in the Canary Islands should remain vigilant about local coastal alerts, despite the overall stability of weather conditions.
