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This is because the long and narrow rainy season front has re-established a lot of rain in the metropolitan area.



Reporter Seo Dong-gyun will tell you why the stagnation front developed again in August and how long this rain will last, unlike the usual early summer when the rainy season passes and the heat continues.



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is an image of clouds around the Korean Peninsula.



Strong rain clouds are concentrated around the metropolitan area, and it is mainly the rainy season front seen during the rainy season from the end of June to July.



Let's take a look at the barometer surrounding Korea.



To the south is the high pressure of the North Pacific Ocean, which is hot and humid, and to the north there is cold and dry air pushed in by the Tibetan high pressure and low pressure.



As the two airs with different properties competed tightly, they created long and narrow rain clouds from east to west in the central region.



Here, the high pressure to the east blocks the movement of cold air like a wall of air, and the stagnant front continues to pour heavy and strong rain.



As the air masses in the south and north maintain their power, more than 350 mm of rain is predicted in southern Gyeonggi, southern Gangwon, and northern Chungcheong until the day after tomorrow (10th), and up to 250 mm in the metropolitan area, Gangwon, and northwestern inland Gyeongsangbuk-do.



The Korea Meteorological Administration predicted that rain would fall in the central region, centered on Chungcheong, until the weekend.



Recent summer precipitation patterns are quite different from those in the past.



The blue part in the background is the average daily precipitation for 20 years from 1973, and the red solid line is the last 30 years.



If you look at the period from June to October, unlike the past, when the peak was only once or twice, recently, it is divided into several.



There is a change in both the timing and pattern of rain.



[Son Seok-woo / Professor, Department of Earth and Environmental Sciences, Seoul National University: The typical summer precipitation pattern is no longer appearing.

Various types of precipitation occur regardless of the time of year.]



Although heavy rainfall in August is not repeated every year, as the distinction between the rainy season and the heat wave in summer is disappearing, we need to prepare for it.



(Video coverage: Kim Yong-woo, video editing: Park Ji-in, CG: Kim Jong-un, Kang Kyung-rim, Ban So-hee)