A lot of snow is forecast across the country over the two-day weekend. On Saturday the 10th, heavy snow is expected mainly in eastern Gyeonggi, inland and mountainous Gangwon, northern North Chungcheong, and North Jeolla, and on Sunday the 11th, along the southern Chungcheong West Sea coast, Honam, the western inland of South Gyeongsang, and Jeju.
According to the Korea Meteorological Administration, rain and snow will start on the night of the 9th in northeastern Gyeonggi and inland and mountainous Gangwon, then expand to all of the central region before dawn on the 10th. On the morning of the 10th, the areas with rain and snow will expand to the southern region, and in the afternoon to Jeju.
In the central region except for South Chungcheong, the rain and snow are expected to stop by the night of the 10th. However, in South Chungcheong, Honam, the western inland of South Gyeongsang, and Jeju, rain and snow will continue on the 11th. Between morning and midday on the 11th, it will also snow in Daejeon and Sejong, southern North Chungcheong, and the southwestern inland of North Gyeongsang.
The amount of snow will be large, and the intensity of snowfall is also expected to be strong.
On the 10th, eastern Gyeonggi, inland and mountainous Gangwon, northern North Chungcheong, and North Jeolla, and on the 11th, the southern Chungcheong West Sea coast, Honam, the western inland of South Gyeongsang, and Jeju are expected to see snowfall of 1–3 centimeters per hour.
By time of day, heavy snowfall is expected in inland and mountainous central-northern Gangwon from dawn to afternoon on the 10th; in eastern Gyeonggi and inland and mountainous southern Gangwon from morning to afternoon on the 10th; in northern North Chungcheong on the afternoon of the 10th; in northeastern North Jeolla from afternoon to night on the 10th; in the western inland of South Gyeongsang on the night of the 10th; and along the southern Chungcheong West Sea coast, Honam, Ulleung Island, and Dokdo from dawn to morning on the 10th.
In inland and mountainous Gangwon, Honam, and the mountainous areas of Jeju, a "snow bomb" of 5 centimeters per hour may fall.
The expected snowfall over the weekend is 5–15 centimeters in Honam (excluding the southeastern South Jeolla coast) and the mountainous areas of Jeju (with more than 20 centimeters possible on the North Jeolla west coast, the southern inland of North Jeolla, the South Jeolla west coast, and the mountainous areas of Jeju); 5–10 centimeters on the southern Chungcheong West Sea coast, Ulleung Island, and Dokdo; 3–10 centimeters in inland and mountainous Gangwon (with more than 15 centimeters possible in the northern inland and mountains); 3–8 centimeters in eastern Gyeonggi and the western inland of South Gyeongsang; 2–7 centimeters on the five West Sea islands, northern North Chungcheong, the southeastern South Jeolla coast, and the mid-mountain areas of Jeju; 1–5 centimeters in western Gyeonggi, Chungcheong (excluding northern North Chungcheong and the southern Chungcheong West Sea coast), the southwestern inland of North Gyeongsang, the northern inland of North Gyeongsang, and the northeastern mountains of North Gyeongsang; around 1–3 centimeters in Seoul, Incheon, and the Jeju coast; and around 1 centimeter in Daegu, the central inland of North Gyeongsang, and the northern East Sea coast of North Gyeongsang.
Precipitation amounts are expected to be 5–20 millimeters on Ulleung Island, Dokdo, and Jeju; 5–15 millimeters on the five West Sea islands, Gwangju, South Jeolla (excluding the southeastern coast), and North Jeolla; 5–10 millimeters in the Seoul metropolitan area, inland and mountainous Gangwon, and Chungcheong; around 5 millimeters in the western inland of South Gyeongsang; less than 5 millimeters on the Gangwon East Sea coast, the southeastern South Jeolla coast, the southwestern inland of North Gyeongsang, the northern inland of North Gyeongsang, and the northeastern mountains of North Gyeongsang; and around 1 millimeter in Daegu, the central inland of North Gyeongsang, and the North Gyeongsang East Sea coast. Precipitation refers to the total amount of water falling from the sky, including rain and snow.
With heavy snow expected, heavy snow advisories are likely to be issued in places. Therefore, people are expected to refer to the latest weather information.
A preliminary heavy snow advisory has been issued for northeastern Gyeonggi and inland and mountainous Gangwon.
Meanwhile, weekend temperatures will be higher than average through the 10th, then drop sharply below average on the 11th as northerly winds blow in.
On the 10th, the morning low is expected to be -2 to 8 degrees, and the daytime high 2 to 12 degrees. On the 11th, the morning temperature is expected to be 5–8 degrees lower than on the 10th (more than 10 degrees lower in inland Gyeonggi and inland and mountainous Gangwon). On the 11th, the morning low is forecast at -15 to -3 degrees, and the daytime high at -7 to 3 degrees.