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It was analyzed that last winter, Daejeon, Sejong, and Chungnam were affected by cold continental high pressure and warm mobility high pressure alternately, showing record average temperature fluctuations.
According to the Daejeon Regional Meteorological Administration on the 7th, as a result of examining the climate from December last year to last month, the average temperature fluctuation was 5.1 degrees, the second largest since 1973 when the meteorological observation network was expanded nationwide.
In particular, the fluctuation of the average temperature in January of this year was 5.8 degrees, ranking first among January. The lowest daily temperature for four consecutive days for 7-10 days was the lowest, and the highest daily temperature for three consecutive days for 23-25 days was the highest.
Wooruk dried in the winter sun▶ Click here for a larger view
The Daejeon Meteorological Administration analyzed that it was because the jet stream weakened due to the warming of the North Pole, and the cold air from the south and the warm air from the south had a clear trend.
In late January and late February, the temperature rose sharply across the country due to the inflow of south wind, strong sunlight, and the wind effect caused by the east wind (high temperature and dry wind blowing over a high mountain).
Although snow clouds were created due to the difference in temperature between the sea level in the West Sea and the atmospheric temperature (sea train) and the snow clouds created by the pressure valley, the average precipitation was 48.4 mm, which was the eighth lowest since 1973.
Daejeon Regional Meteorological Administration Director Park Hoon said, “It was the season that showed rapid changes in the seasonal climate such as strong cold waves, abnormal high temperatures, and surprise heavy snow.” “He said.
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