The storm puts 14 communities on alert and the DGT warns of the complicated situation on the roads | Society


The snowfalls of the last days in the northern half of the peninsula intensify this last weekend of November due to a cold front associated with the Arwen storm, as about 35 centimeters of snow could accumulate in the Cantabrian Mountains, while an arctic mass will intensify the winter atmosphere to the point that more than half of Spain will freeze at dawn this Sunday. In fact, 14 autonomous communities are on alert for the arrival of this phenomenon.

“The meteorological situation during the weekend will be adverse in the northern third of the peninsula due to the arrival of an arctic air mass, very cold in origin and that on its journey to our country becomes unstable when flying over the relatively warm waters of the ocean Atlantic, giving rise to intense and persistent showers in the form of snow not only in mountain areas, but also in lower elevations “, said Rubén del Campo, spokesman for the Aemet. Not in vain, it is possible that this weekend the snow will appear in capitals such as Ávila, Cuenca, Huesca, León, Palencia, Segovia, Soria and Teruel.

According to Del Campo, “this mass of cold air is driven by the northwesterly winds that are generated between the high Atlantic pressures and a deep storm called Arwen that circulates over Western Europe.” Those winds will increase the feeling of cold because, in addition, the temperatures will go down. The Aemet prediction, collected by Servimedia, indicates that 29 provinces spread over 12 autonomous communities and the city of Melilla have warnings this Saturday for snow, rain, wind or rough seas. The early winter storm will keep warnings this Sunday in 28 provinces distributed by 13 communities and Melilla for those same adverse meteorological phenomena. Both on Saturday and Sunday there are warnings of an orange level – an important risk for outdoor activities – in several provinces in the northern third due to heavy snowfall that could leave at least 25 centimeters thick of snow on the ground.

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Communities that are on alert

During the weekend there will be intense and persistent rainfall in northern Galicia, Asturias, the Basque Country, northern Castilla y León, northern and central Navarra and the surroundings of the Aragonese Pyrenees, which may occasionally be accompanied by a storm and in coastal areas of the Cantabrian, more than 40 liters per square meter could accumulate in 12 hours. In addition, the snow level will drop to about 500 meters in much of the northern third. The risk of snowfall is important in the western Pyrenees, where 20 centimeters of snow could accumulate and in the surroundings of the Cantabrian Mountains, with accumulations that could exceed 35 centimeters.

In addition, there will also be rainfall in Galicia, the North Plateau, the Central System, the Iberian System and the rest of the Pyrenean area, with levels of about 500 to 600 meters. “It is likely that it will snow in flat areas of the plateau, especially in the provinces of Soria, Segovia and Ávila, and also in the province of Palencia and, occasionally, in others”, stressed Del Campo. Rainfall could weakly spread to other areas of the peninsula, especially the Southern Plateau. Temperatures will drop this weekend, with night frosts in large areas of the interior, which in mountain areas will be intense, especially in the Pyrenees. During the day, many areas of the northern half will barely reach 5ºC. “We are talking about a time of pure winter, with temperature values ​​that will be around five degrees below normal for the time of year, especially in the northern half,” added Del Campo.

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That feeling of cold will be increased by the northwest wind, which will blow with strong gusts in large areas and will cause a significant maritime storm especially this Saturday, with waves of six meters in the Cantabrian Sea and three meters in the north of the Mediterranean. The snow level will begin to rise late on Sunday and that rise will continue on Monday with the arrival of warmer air, which will cause an increase in temperatures. Thus, the snow level will be between 1,000 and 1,200 meters in many areas during Monday afternoon, with or that a good part of the precipitation that falls will come in the form of rain. “This will contribute to the melting of the snow accumulated in previous days and, in turn, can cause the river flows to increase significantly in the affected areas,” Del Campo said.

The DGT warns of complications on the roads

The General Directorate of Traffic (DGT) has warned of the difficulties that snow can pose in the circulation of the roads of the northern half of the peninsula during the weekend, before the warning issued by the Aemet. In this context, the General Directorate of Traffic has recalled the importance of consulting the state of the roads and finding out about possible rainfall that may occur in the area to be traveled. Traffic has pointed out that, during alert periods in areas affected by orange level warnings and in situations indicated by the Civil Protection authorities, it is recommended to avoid displacement. “In the event that the displacements that have to be made pass through the areas with orange or yellow warning for snowfall, the travel conditions may be affected by possible actions on the road,” he stressed.

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Traffic has pointed out that, to guarantee fluidity and road safety, restrictions may be established on the movement of heavy vehicles and that of other vehicles that do not have winter tires or chains; limit the speed of movement and prohibit overtaking; and total preventive cuts. On the other hand, the DGT has indicated that the 21 automated and monitored diversions for the bagging of trucks are ready for operation, to activate them if necessary.

Given this forecast, it advises to leave the left lane free and circulate in convoy, that is, one vehicle after another, to allow the passage of road maintenance vehicles and snow plows; and pay attention to the signage on the variable message panels and the indications of the agents of the Civil Guard Traffic Group. Exercise extreme caution when driving through the areas and roads affected by this provision, as well as having the appropriate means and equipment to travel safely, including winter tires or chains, and knowing the colors of the snow and its conditions. circulation are other recommendations.


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George Holan

George Holan is chief editor at Plainsmen Post and has articles published in many notable publications in the last decade.

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