
Temperature starts below freezing in the central region, coastal swell advisory
AI-generated summary
Cold northwest winds blew along the edge of a high pressure system moving east from central China, causing temperatures to drop. As we entered the area under the influence of high pressure, the days became clearer, daytime temperatures rose, and the daily temperature range widened.
The morning of the 10th started off cold, with temperatures falling below freezing in the inland areas of the central region and around 5 degrees in the rest of the region. Temperatures were 3 to 8 degrees lower than the previous morning, mainly in the metropolitan area, Chungcheongnam-do, and Honam.
As of 7 a.m., temperatures in major cities are 8.7 degrees in Busan, 7.8 degrees in Ulsan, 4.0 degrees in Daegu, 3.9 degrees in Gwangju, 3.1 degrees in Daejeon, 1.7 degrees in Incheon, and 1.0 degrees in Seoul.
The reason for the low morning temperature is the cold northwest wind blowing along the edge of the high pressure moving east from central China.
As the temperature dropped, water vapor in the atmosphere condensed, creating a thick fog with visibility of less than 200 meters in most of the inland areas, including eastern Gyeonggi, the inland and mountainous areas of Gangwon, southern Chungcheong Province, North Chungcheong Province, Jeonbuk, Jeonnam inland, and Gyeongsang inland.
The fog will be thicker around rivers, lakes, and valleys, so be careful when passing around them.
The highest temperature during the day is 12 to 18 degrees, which is similar to the average temperature, unlike the lowest temperature in the morning, which is below normal.
As it falls under the influence of high pressure, the weather is clear and the temperature rises due to sunlight. At the same time, the daily temperature difference will be large, around 15 degrees, in most regions.
Currently, the moon's gravitational force is strong and the sea level is high.
Meanwhile, swells will continue to flow into the east coast and the eastern coast of Jeju until the 11th, and high waves will come in strong, sometimes breaking over the seashore rocks or breakwaters. Avoid going to the coast as much as possible, as accidents may occur where you are swept away by swells.
The remote seas south of the West Sea, the northern seas of the southern East Sea, the seas off Gyeongbuk, the seas off Ulsan, and the seas off Busan are in the morning, the remaining seas off Jeju, the far seas east of the South Sea, and the far seas south of the East Sea (excluding the northern deep seas) are in the afternoon, the deep seas south in Jeju and the far seas outside the eastern Namhae are at night, and the far seas south of Jeju are until dawn on the 11th. Winds will blow strongly at 30 to 70 km (8 to 20 m/s), and waves will rise 1.5 to 4.0 m high.
Be careful as the waves in the far sea outside the eastern South Sea and the far sea south of Jeju will be as high as 5.0m or more.
AI outlook — possibilities, not facts
By early morning on the 11th, winds will blow strongly at 30 to 70 km in various sea areas, including the distant seas south of Jeju, and waves will rise 1.5 to 4.0 m, with a maximum of 5.0 m or more.
Very likely · Within days

The rain that started in Jeju on the morning of the 13th spreads to the central region on the 14th, and precipitation of 10 to 60 mm in Jeju and 10 to 40 mm in the south is expected until the 15th. Temperatures will be mild at 15 to 20 degrees due to a warm southwest wind, and the temperature difference between day and night in Yeongnam will be large at around 15 degrees.

From 1 p.m. on the 9th, the Korea Meteorological Administration issued a strong wind warning for the eastern and western parts of Seogwipo-si, Jeju-do, eastern, northern and western Jeju-do, and Chuja Island, and a wind warning for the western, eastern and northern waters of Jeju and the far southwestern coast.

On Monday the 9th, Gangwon-do will be mostly cloudy, with 5 to 10 mm of rain expected on the east coast and mountainous areas, and 1 to 3 cm of snow expected in the highland mountains. The morning temperature is 4.9 degrees in Chuncheon, 6.8 degrees in Gangneung, and 2.1 degrees in Taebaek, and the highest daytime temperature is 11 to 14 degrees in the inland, 6 to 9 degrees in the mountains, and 11 to 13 degrees on the east coast. The Korea Meteorological Administration urged people to be careful about traffic safety and safety accidents due to reduced visibility, slippery roads, and thin ice.

On Monday the 9th, while the entire country will be mostly cloudy, rain will fall on the east coast and mountains of Gangwon, the southern region, and Jeju Island, and 1 to 3 cm of snow will accumulate in the high mountains of Gangwon. The highest temperature during the day was forecast to be 10 to 14 degrees.

Seoul recorded its first snowfall of the season on Sunday at 10 a.m. at a Songwol-dong weather station in Jongno-gu, according to the Korea Meteorological Administration. The snow arrived 26 days earlier than last year and 12 days ahead of the seasonal average. The agency also reported Seoul's first seasonal ice on Saturday, marking ipdong, the lunar calendar onset of winter.

The first snow of this fall fell in Seoul on the 8th. This is 26 days earlier than last year and 12 days earlier than the average year (1991-2020 average). Rain or snow continues in the metropolitan area and Gangwon-do.