Today, Saturday (16th), the weather is suddenly getting cold enough to issue a cold wave warning for most of the country.

Just a week ago, 'hot days in autumn' continued, when the daytime temperature exceeded 25 degrees, and then suddenly the cold of November came.

There is also a voice saying that there is no autumn and the seasons change directly from summer to winter.

Last week was hot for fall because of the strong subtropical anticyclone over Korea.

It was unusual for the subtropical high pressure to remain strong during this period.

However, after Typhoon No. 18 'Gonpas', which supported the power of high pressure in the south of the subtropical high pressure, weakened after landing in Vietnam, the subtropical high pressure suddenly contracted.

It is said that the subtropical high pressure weakened and strengthened according to the power of clouds developing near the equator.

The Korea Meteorological Administration explains that the cold came as the time when the subtropical high pressure contracted and the time when the cold air came down from the Arctic to Korea coincided.

It means that the 'barrier' that blocked the cold coming down from the North Pole is gone.

As the barometer situation is like this, it is predicted that this cold will continue for a long time.

The Korea Meteorological Administration predicts that the cold wave will continue on the 16th and 18th, and the temperature will rise slightly on the 19th, but a 'second cold' will strike Korea on the 19th and 21st.

This cold may feel worse because it comes on suddenly after being hot for a while.

Moreover, since there are many areas with strong winds, it seems that the sensible temperature will drop even more.

Strong winds with instantaneous wind speeds of up to 70 kilometers per hour (20 meters per second) are forecast for the west coast and Jeju this weekend.

Winds with an instantaneous wind speed of 55 km/h (15 m/s) or more will blow in the southern coast and the east coast of the southern Gyeongbuk region, and winds with an instantaneous wind speed of 35 to 55 km/h (10-15 m/s) will blow in other areas.

A strong wind warning has been issued for Heuksan and Hongdo in Jeollanam-do, and a strong wind advisory has been issued in Gyeonggi, Incheon, Jeolla, Chungnam, and Jeju.

(Photo = Yonhap News)

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