On Friday, September 12, rain will begin in the late afternoon across the Seoul metropolitan area, the Chungcheong region, and southern regions, eventually spreading nationwide. The drought-stricken east coast of Gangwon is also expected to receive rainfall.


On September 11, Jeju Island experienced some rain, and this rainfall is expected to continue. By late afternoon on September 12, rain will begin in the Seoul metropolitan area, Chungcheong, and southern regions. Precipitation will start in Gangwon at night. Most regions will see the rain stop by the night of September 13, but intermittent showers will continue in Gangwon, northern Chungbuk, central and northern Gyeongbuk, and the southeastern coast of Gyeongbuk until the early morning of September 14, and in Jeju Island until the morning of September 14.


The expected rainfall amounts for the two days, September 12 and 13, are as follows: 30 to 100 mm (with some areas exceeding 120 mm) in inland and mountainous areas of Gangwon; 30 to 80 mm in the Seoul metropolitan area, Chungcheong, Honam, Busan, Ulsan, Gyeongnam, central and northern Gyeongbuk, Ulleungdo, and Dokdo (with up to 120 mm or more in southern Gyeonggi, Chungnam, and Jeonbuk, and up to 100 mm or more in Seoul, Incheon, northern Gyeonggi, and northern Chungbuk); 20 to 60 mm in the five West Sea islands, Daegu, and southern Gyeongbuk; and 10 to 60 mm in Jeju Island (with up to 80 mm or more in mountainous areas).


Yonhap News Agency

Yonhap News Agency

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On the east coast of Gangwon, significant rainfall is expected to begin in earnest after the early morning of September 13, as a small-scale low-pressure system develops over the East Sea. The expected precipitation is 20 to 60 mm, which is relatively substantial. In the northern part of the Gangwon east coast, rainfall could exceed 80 mm.


After the night of September 12, there may be periods of heavy downpours, with rainfall rates reaching around 30 mm per hour.



As the rain falls, temperatures will drop, and on September 12, daytime highs nationwide will remain below 30 degrees Celsius. On September 12, the minimum morning temperatures nationwide are expected to range from 16 to 24 degrees Celsius, with maximum daytime temperatures between 25 and 29 degrees Celsius. The forecasted minimum and maximum temperatures for major cities are as follows: Seoul, 21 and 28 degrees; Incheon, 22 and 28 degrees; Daejeon and Gwangju, 21 and 27 degrees; Daegu, 20 and 27 degrees; Ulsan, 22 and 26 degrees; and Busan, 24 and 28 degrees.


This content was produced with the assistance of AI translation services.

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