A snowstorm will hit across the country this weekend. In northern and eastern Gyeonggi, inland and mountainous Gangwon, and northern North Gyeongsang, a lot of snow has already fallen.
As of the 10th, the "newly accumulated snow" as of 8 a.m. measured 14.9 cm at Baekbokryeong in Jeongseon County, Gangwon; 10.9 cm in Hajeong-myeon, Samcheok; 9.7 cm at Sapdangryeong in Gangneung; 7.9 cm and 7.2 cm in Bonghwa County and Yeongju, North Gyeongsang; and 3.3 cm in Buk-myeon, Gapyeong County, Gyeonggi.
Snow and rain are expected to expand to the southern regions in the morning and to Jeju in the afternoon. After that, except for South Chungcheong, the central regions will see snow and rain at night the same day, South Chungcheong, Honam, and the western inland of South Gyeongsang on the 11th afternoon, and Jeju through the early morning of the 12th.
Expected snowfall: Honam (excluding the eastern South Jeolla south coast), Ulleungdo, Dokdo, and the Jeju mountains 5–15 cm (up to over 20 cm on the North Jeolla west coast, southern inland of North Jeolla, South Jeolla west coast, and the Jeju mountains); the southern west coast of South Chungcheong 5–10 cm; inland and mountainous Gangwon 3–10 cm (up to over 15 cm in the northern inland and mountains); eastern Gyeonggi and the western inland of South Gyeongsang 3–8 cm; the five West Sea islands, northern North Chungcheong, the eastern South Jeolla south coast, and Jeju mid-mountain areas 2–7 cm; western Gyeonggi, Chungcheong (excluding northern North Chungcheong and the southern west coast of South Chungcheong), southwestern inland of North Gyeongsang, northern inland of North Gyeongsang, northeastern mountains of North Gyeongsang, and the Jeju coast 1–5 cm; Seoul and Incheon 1–3 cm; and Daegu, central inland of North Gyeongsang, and the northern East Sea coast of North Gyeongsang around 1 cm.
There will be times when heavy snow falls at about 1–3 cm per hour, up to around 5 cm: in eastern Gyeonggi, inland and mountainous Gangwon, northern North Chungcheong, and North Jeolla on the 10th, and centered on the southern west coast of South Chungcheong, Honam, the western inland of South Gyeongsang, and Jeju on the 11th.
People should also prepare for strong winds. With gusts exceeding 70 kph (90 kph in the mountains) across most regions, damage could occur. Wind advisories are currently in effect for most coastal areas, Honam, inland and mountainous Gangwon, the northeastern mountains of North Gyeongsang, and Jeju.
On the seas, a high seas advisory is in effect across all waters, with winds blowing strongly for the time being at 35–65 kph (9–18 m per second) and waves very high at 1.5–4.0 meters. In the open sea, starting the afternoon of the same day, wave heights may exceed 5 meters, and the high seas advisory could be upgraded to a warning.
Temperatures will remain above normal through the day, then plunge below normal on the 11th. As of 8 a.m., major city temperatures were 5.9 C in Seoul, 5.1 C in Incheon, 8.2 C in Daejeon and Gwangju, 0.7 C in Daegu, 8.3 C in Ulsan, and 9.8 C in Busan. Afternoon highs are expected to range from 3 to 12 C.
On the 11th, morning lows are forecast at -15 to -3 C, with afternoon highs at -7 to 4 C.