Attention to rain, wind and sea agitation

IPMA forecast for the next 72 hours

Storm at sea – Photos: Elisabete Rodrigues | Sul Informação

Persistent rain, sometimes heavy, from the beginning of the night, with the most critical period between 00:00 am and 9:00 am this Sunday, December 11th, with further worsening from the early hours of the 12th. This is the forecast of the Portuguese Institute of the Sea and the Atmosphere (IPMA), for the next 72 hours.

There will still be favorable conditions for the occurrence of thunderstorms.

The IPMA forecast also points to strong winds from the west quadrant, more intense on the western coastal strip, with gusts of around 60 km/h, especially between 01:00 and 04:00 tomorrow, the 11th.

At sea, there will be strong sea waves with W/SW swell greater than 3 meters (occasionally up to 4-5 m), starting this Sunday and predictably continuing until the 16th of December.

The Municipal Civil Protection of Portimão, in the warning to the population because of the storm, points out that the following effects may occur:

• Slippery road surface;
• Possibility of flash floods in urban areas due to the accumulation of rainwater or insufficient drainage systems;
• Possibility of flooding in historically more vulnerable areas;
• Flooding of underground urban structures due to drainage deficiencies;
• Damage to mounted or suspended structures;
• Drainage difficulties in urban systems, namely those verified at high tide periods, which may cause flooding in historically more vulnerable places;
• Possibility of falling branches or trees due to stronger wind;
• Possible accidents on the coastline;
• Geomorphological phenomena caused by the instability of slopes associated with soil saturation, due to the loss of its consistency.

The SMPC recalls that the possible impact of these effects can be minimized, namely through the adoption of appropriate behaviour, which is why, and in particular in historically more vulnerable areas, it is recommended to observe and disseminate the main self-protection measures for these situations, namely:

• Ensure that stormwater drainage systems are unobstructed and that aggregates and other objects that can be dragged or create obstacles to the free flow of water are removed;
• Adopt defensive driving, reducing speed and taking special care with the possible formation of water sheets and accumulation of water on the roads;
• Do not cross flooded areas, in order to avoid dragging people or vehicles into holes in the pavement or open drains;
• Ensuring adequate fixing of loose structures, namely scaffolding, billboards and other suspended structures;
• Take special care when driving along the coastline and riverside areas historically more vulnerable to rapid flooding;
• Do not practice activities related to the sea, namely sport fishing, water sports and seaside walks, also avoiding parking vehicles very close to the seafront.

 

 



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