Warm weather in early December will soon be replaced by a strong cold snap, Roshydromet warns. A series of “diving” cyclones from the Norwegian Sea will lead to a decrease in temperature from 18 to 25 December, in a number of regions of the Russian Federation, the establishment of abnormal frosts is expected – it will be 7 degrees colder than normal.
We will remind, earlier it was reported that in a number of districts of the Irkutsk region it will get colder to minus 56 degrees.
On the territory of the Northwestern Federal District, cooling will begin on December 18-19 from the eastern regions with a gradual spread to the west. In the period from December 19 to December 22, abnormally cold weather is expected in the Arkhangelsk, Vologda regions, the Komi Republic and the Nenets Autonomous Okrug, from December 21 in the east of the Leningrad region. At the same time, the temperature will drop in the Arkhangelsk, Vologda regions, Komi and the Nenets Autonomous Okrug at night to -35 … -30 degrees, in the daytime to -27 … -22 degrees.
On December 21-22, in the east of the Leningrad Region, it is expected to reach -22 … -17 degrees at night, and up to -18 … -13 degrees in the daytime, which is 6-8 degrees below the climatic norm. Including in St. Petersburg, from December 20, it will become sharply colder, and the temperature in the period from December 20 to December 22 during the day is predicted from -16 to -10 degrees.
On the territory of the Central Federal District, from December 21 to 25, abnormally cold weather will set in, with an average daily temperature below the climatic norm by 7-12 degrees. At night the temperature will drop to -26 … -21 degrees, in the north of the district to -35 … -30 degrees, during the day the prevailing temperature will be -21 … -15 degrees.
In Moscow and the region, a cold snap is expected in the period from 20 to 22 December. On December 20, the temperature will drop sharply and during the day will be -14 … -9 degrees, which is 4-6 degrees below the climatic indicators. On December 21-22, frost will increase at night to -22 … -17 degrees, in the daytime – up to -18 … -13 degrees, while the average daily temperature will be below the climatic norm by 10-12 degrees. According to preliminary calculations, such frosty, abnormally cold weather will remain in Moscow and the region until December 25.
In the north, north-west of the Volga Federal District and in Tatarstan, a decrease in temperature is also expected. Here, on December 21-22, frost will increase at night to -29 … -22 degrees, in the afternoon – to -24 … -19 degrees. At the same time, the average daily temperature will be below the climatic norm by 7-8 degrees, that is, the weather is abnormally cold.
On December 21-22, cold air will spread to the territory of the Southern Federal District. In the Lower Volga region and Rostov region these days the temperature will drop at night to -20 … -13 degrees, in the daytime to -15 … -11 degrees; in the north of the Krasnodar Territory at night it will be up to -10 … -5 degrees, in the daytime – up to -6 … -1 degrees. In Crimea, it will get colder at night to -8 … -3, during the day it will be from -2 to +3. With a cold snap, the average daily temperature is expected to be below the climatic norm by 2-4 degrees.
On December 22, a decrease in temperature is expected in the North Caucasian Federal District at night to -11 … -6, in the daytime to -5 … 0 degrees, which is within the climatic norm.
Source: Rosbalt

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