One of the characteristics of this Christmas is atmospheric stability. The anticyclone that has been installed in Spain has kept away the rains during these first days of Christmas, but this situation is going to change radically in some areas and threatens the New Year’s Eve and the New Year.
He anticyclone It has brought with it low temperatures, a considerable increase in frost and abundant fog in the interior of the peninsula, especially in the northern plateau and depressions in the northeast.
Over the weekend, the State Meteorological Agency (AEMET) indicates that few changes are expected, with temperatures stable or slightly decreasing, while frosts will gain ground towards areas of the northern half of the peninsula, east of the southern plateau and southeastern mountain ranges. In the Strait there will be some interval of Levante, but generally it will be a few days of calm at sea.
In Canary Islandsit is possible that the atmospheric instability will stabilize and that the haze will spread slightly to all the islands. As for the temperatureson the lucky islands there will be little change over the weekend and Monday.
The situation begins to change between Tuesday and Wednesday, New Year’s Eve and New Year’s Day. So, To welcome 2025, a notable increase in cloudiness and the appearance of storms is expectedwhich can be locally strong on the southeastern coasts.
In the rest of the Peninsula, the fog continues persistently, but it cannot be ruled out that it will decrease on Wednesday on the northern plateau.
Temperatures with few changes in general, with frosts that remain widespread in the northern half. Generally weak winds with an easterly component, with moderate easterly in the Alboran Sea and Estrecho, while in the extreme north of the peninsula they will intensify and roll to the south, with
probable strong intervals. In the Canary Islands, east wind with light haze and temperatures with few changes.
From what day will it start to rain?
Of the Thursday, January 2 to Saturday, January 4, AEMET explains that the prediction has a high uncertainty, but that it is expected that new frontal systems will begin to arrive in the Atlantic, leaving widespread rain throughout the country, but especially in Galicia and the Cantabrian Sea. It is not ruled out that precipitation will be in the form of snow in mountainous areas of the northern half.
Within the context of uncertainty, a predominance of thermal decreases and westerly winds is expected, with probable strong gusts in areas of the extreme north of the peninsula and under the Ebro. In the Canary Islands, dry weather is likely to continue, with the probable presence of haze,
Temperatures slightly rising and wind from the southeast.
In this way, 2025 will begin with new storms that will leave rain across a large part of the Peninsula, which will be accompanied by a drop in temperatures, which will mean that it may snow heavily in some mountain areas precisely on the dates on which it is celebrated. the fourth anniversary of Filomena, the atmospheric episode that paralyzed Spain between January 6 and 11, 2021 due to a historic snowfall.