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The entry into mainland Portugal in 2021 will be marked by the cold, due to the joint action of an anticyclone located northwest of the Azores archipelago and the Bella depression, according to the IPMA.
According to a note from the Portuguese Institute of the Sea and Atmosphere (IPMA) released today, the end-of-year forecast indicates that the Bella depression will originate a north flow that will carry a cold air mass over the continental territory in the coming days. if the cold weather continues until at least January 1.
According to the IPMA, the anticyclone located northwest of the Azores archipelago and the Bella depression, which will move to the Scandinavia region, passing through northern France, are responsible for the cold in Portugal.
According to the organization, the maximum temperature should not exceed 15ºC in practically the entire territory until the end of the year.
In Beira Baixa, Beira Alta and Trás-os-Montes and Alto Douro the maximum should vary approximately between 3ºC and 10 ° C and the minimum between -4 and -1 ° C.
In the regions closest to the coast, the minimum temperatures should vary between approximately 3 ° C and 9 ° C.
Between December 28 and 31, rainfall is forecast, which will be snow in general above 800/1000 meters of altitude, varying the quota throughout the week in the North and Central mountains, with the passage of a new cold front surface late 30s and early 31s.
Ice or frost formation is also expected, especially in inland regions and morning fog or mist. The wind will blow moderately from the west quadrant, becoming from the north quadrant throughout the week, sometimes strong with gusts of up to 70km / h, so that the intensification of the wind will cause an increase in thermal discomfort.
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