Following the contact with the Portuguese Institute of the Sea and Atmosphere (IPMA) carried out by the National Civil Protection Authority (ANPC), and according to the meteorological information made available, for the coming days, persistent meteorological conditions with strong atmospheric instability will affect the entire mainland territory, namely:

  • PRECIPITATION, strong and localized rainfall (> 10 mm / h), will persist over the next few days, intensifying from the end of today (Tuesday) throughout the territory, although more significantly in the regions of the North coast and Center and maybe associated with thunderstorm and hail;
  • SNOW FALL, above 400/600 m, will be more significant during the night in the northern and central interior regions, with the level gradually increasing to 28 FEB to 1000/1200 m;
  • WIND will be more intense from this afternoon (27 FEB) from the southern quadrant, and will be moderate to strong on the coast and in the highlands with gusts up to 90 km / h. Between 28FEB and 02MAR this is expected to increase with gusts up to 100 km / h in the highlands and 80 km / h in the rest of the territory. Higher localized gusts could occour.
  • HIGH SEAS is expected from south-west at 5-7 metres, with maximum in the order of 10/12 metres (with strong surf on the coast) essentially south of Cabo Raso, starting on Monday (28 FEB).

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In view of the situation described above, the following effects may occur:

  • Slippery road surface and possible formation of water and ice patches;
  • Possibility of rapid flooding in urban areas due to accumulation of rainwater or insufficient drainage systems;
  • Possibility of flooding by transhipment of water lines in the most vulnerable areas;
  • Flooding of underground urban structures due to poor drainage conditions;
  • Damage to mounted or suspended structures;
  • Drainage problems in urban systems, especially during periods of high tide, and may cause flooding in the most vulnerable places;
  • Fallen branches or trees due to strong winds
  • Accidents on the coast;
  • Instability of slopes due to soil saturation and loss of soil consistency.



The ANPC advises that the impact of these effects can be minimized by taking appropriate steps, and therefore recommends the observation and wide dissemination of the main self-protection measures to address these situations, namely:

  • Ensure that rainwater drainage systems are cleared and that there are no items and other objects that can be dragged or obstruct the free flow of water;
  • Take care when driving, reducing the speed and taking special care with the possible accumulation of snow and the formation of water patches on roads;
  • Avoid crossing flooded areas in order to prevent people or vehicles from falling into holes in the pavement or open sewers;
  • Place the snow chains on the vehicles, whenever they move in areas affected by snowfall;
  • Ensure loose structures, namely scaffolding, placards and other suspended structures are properly secured;
  • Take special care when passing or staying in or near forested areas, being attentive to the fall of branches and trees due to strong winds;
  • Take special care in the circulation along the coastline and riverside areas most vulnerable to coastal gullies, avoiding, if possible, passing or staying in these places;
  • Avoid carrying our sea activities such as: sport fishing, water sports and walks by the sea, avoiding the parking of vehicles very close to the seafront;


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