a depression loaded with polar air will bring rain, snow and thunderstorms to these areas

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In the coming days, a mass of cold air will enter mainland Portugal, bringing unstable weather conditions to almost the entire geography. Rain is expected, sometimes heavy in some regions, potentially accompanied by thunderstorms and hail. Snow will fall in the main ranges and mountains.

Alfredo Graça

Alfredo Graça 04/29/2024 19:58 9 min

This Monday (29) the weather stabilized considerably in the territory of mainland Portugal. The sky was generally clear in the morning, gradually becoming cloudier as the hours passed. In some inland locations, it is possible that certain clouds have even reached the saturation point, dumping showers or drizzle. The wind blew mostly from the northwestwith varying intensities and there was a small increase in maximum temperatures.

Will there also be rain, snow and thunderstorms on the widened bridge in May? Here is the weather forecast in Portugal from Meteored

Will there also be rain, snow and thunderstorms on the widened bridge in May? Here is the weather forecast in Portugal from Meteored

As for the Azores, on all the islands of this archipelago there was a similar meteorological panorama, generally dominated by periods of cloudy skies, sometimes with some open skies.. At Wood The weather was variable, with some areas of the island experiencing showers and open weather and other areas with scattered clouds and good periods of sunshine.

Significant weather changes will occur in mainland Portugal from the last day of April

Tomorrow – Tuesday, April 30th – a significant change in the weather will occur. According to Meteored’s reference model, the arrival of a front coming from the Atlantic, associated with a depression located west of the British Isles, will result in periods of light to moderate rain or showerssometimes locally intense.

Initially, precipitation will have more impact on coastal regions – between the districts of Viana do Castelo and Setúbal – but, during the period of afternoon should spread to the east and south of the territorycovering practically the entire geography of the Continent.

precipitation, snow and cloudiness Portugal
The weather in mainland Portugal will become unstable again from tomorrow. This is the forecast of precipitation distribution across the mainland at 3:00 pm on April 30th.

In general, the wind will blow weak to moderate from the South quadrant, and it is expected that it will begin to blow from the West quadrant from the afternoon onwards. In the highlands – especially those in the Central Region – it will blow strongly in the afternoon. Furthermore, it is estimated that small increase in minimum temperaturesboth to the north of the Montejunto-Estrela mountain system, and in the South Region.

There is also the possibility of snowfall in the mountains of the extreme Northwest (Peneda, Amarela, Soajo and Gerês) above 1200 meters of altitude between the last hours of April and the early hours of Wednesday, May 1 and Labor Day.

May will start with unstable weather: when and where will there be rain, snow and thunderstorms?

On Wednesday (1) – a holiday throughout the country – the sky will be very cloudy and precipitation is expected in much of the country. The movement of the depression located west of the British Isles will generate new lines of instability that will translate into periods of rain or showers in the early morning, morning and until mid-afternoon.

In the Northwest of the Continent (Viana do Castelo, Braga, Porto, Aveiro, Vila Real and Viseu) they will persist until early evening. Occasionally precipitation may manifest itself in the form of hailboth in the North and in the Center, and can be accompanied by thunderstorm. South of the Tagus, precipitation will be much less likely and frequent, meaning accumulation will be quite scarce or residual.

Precipitation is also expected in the Azores and Madeira
Southwest winds will prevail this week in the Azores, blowing with some intensity. Precipitation is expected between Tuesday (30) and Sunday (5). In Madeira the wind will blow from variable directions and some precipitation is expected between today and Thursday (2).

As previously mentioned, it is expected Snow fall in the early hours of the morning Wednesday (1) – possibly above 1000/1200 meters altitude – in the mountains of the extreme Northwest. For the rest of the day, particularly in the afternoon, snowfall may be more geographically widespread, its occurrence is expected in other mountains and mountains in the North and Center (in addition to the Peneda-Gerês National Park, also the Cordillera Central and Terra Fria Trás-os-montana, in which in the latter it could be uvapel or hail).

snow mountains Portugal
Snowfall in mainland Portugal this week will not be particularly significant. However, it will take place in the month of May, which is surprising.

On Thursday (2) periods of very cloudy skies and a decrease in the frequency of showers are expected.. Although a small increase in maximum temperature is expected, snowfall will still occur above 1200 meters of altitude. The wind will blow weak to moderate from the western quadrant and at times strong in the highlands.

Higher temperatures at the end of the week, but rain or showers are still expected in some regions

With the removal of the mass of cold air to more northern latitudes between Thursday (2) and Friday (3), it is inevitable that there will be an increase in air temperature, as space will be made for the arrival of a mass of colder air. warm. Maximum temperatures will register a significant rise in the Center-South of mainland Portugal on May 3rd, and this thermal increase will be much more contained in the North Region.

temperature Portugal
After a very cool start, temperatures will register a significant rise on Friday, May 3, especially in the Center-South of mainland Portugal. In the North, this thermal rise will be much more contained.

Also for Friday (3) very cloudy skies are expected in the North and Center, but little cloudy or clear in the South. There will be periods of rain in the regions north of the Montejunto-Estrela mountain system, being more likely, frequent and persistent in the regions west of the Condensation Barrier (Minho and Douro Litoral). The wind will blow weak to moderate from the southern quadrant, and may appear occasionally on the coast north of Cabo Carvoeiro and in the highlands of the North and Center.

More than 100 mm in some areas

This week it will rain in practically all regionsalthough in a very irregular, as is usual in situations of showers and thunderstorms. To the more abundant rainfall accumulations are planned for the Northwest of mainland Portugal, where in some areas more of 100mm (practically the entire district of Viana do Castelomore mountainous areas of the district of Braga and the westernmost areas of the district of Real Village).

accumulated precipitation Portugal
Some areas of mainland Portugal will exceed 100 mm of accumulated rain at the end of the first week of May, while others will not even reach 2 mm.

The other side of the coin is expected for the regions south of the Tagus – especially Baixo Alentejo and even more so in the Algarve – where rainfall should not exceed 3 mm. As can be seen on the map, in some areas of the Algarve close to the sea, rain will be practically non-existent or very residual. As for accumulated snowit is estimated that it is not very significant, as at most it will be around 3 cm in the mountains of the Northwest and the Central Cordillera.

The article is in Portuguese

Tags: depression loaded polar air bring rain snow thunderstorms areas

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