The 6th typhoon, Khanun, crossed into North Korea on the morning of the 11th and dissipated into a tropical depression. Although the typhoon has passed, cloudy weather will continue for a while due to the remaining low pressure, followed by a return of heat with maximum temperatures exceeding 30 degrees Celsius.
Khanun crossed the Military Demarcation Line around 1 a.m. on the 11th, passing about 50 km northeast of Ganghwa, Incheon, and moved northward to about 80 km southeast of Pyongyang by 6 a.m., weakening into a tropical depression and ending its life cycle. South Korea has moved out of Khanun's influence, but cloudy weather will persist throughout the weekend.
Due to the impact of Typhoon Khanun, the water level of Cheonggyecheon in Seoul rose on the 10th, submerging part of the walkway. Photo by Huh Younghan younghan@
Typically, a typhoon lasts about five days, but Khanun was active for 15 days after developing near Guam on the 28th of last month, causing damage in three countries: South Korea, Japan, and Taiwan, as it changed direction in a zigzag pattern. It is analyzed that warmer-than-average sea temperatures helped maintain Khanun's strength.
After making landfall on the Korean Peninsula, Khanun moved northward slowly for about 16 hours, bringing heavy rain nationwide. From the 9th, areas affected by Khanun experienced heavy rainfall: 402.8 mm in Goseong, Gangwon; 387 mm in Samcheok; 371.5 mm in Inje; 350 mm in Yangsan; 346.9 mm in Gangneung; 338.6 mm in Changwon; 263.5 mm in Busan; and 112.5 mm in Seoul.
According to the Central Disaster and Safety Countermeasures Headquarters, as of 6 a.m. on the day, 11,705 households and 15,862 people across 125 cities, counties, and districts in 17 provinces nationwide are evacuated. There have been no casualties related to Khanun reported so far. The man in his 60s found dead in Gunwi County, Daegu, and the missing man in Dalseong County, Daegu, were determined to be due to safety accidents. Facility damage includes 64 cases of road flooding and washouts and 10 cases of embankment washouts in public facilities. Private facilities suffered 30 cases of house flooding, 3 cases of house damage, and 16 cases of commercial building flooding.
On the 11th, the whole country will be mostly cloudy, with rain expected until 6 p.m. in Seoul, Gyeonggi, and Gangwon, and until 9 p.m. in Incheon. The Seoul World Cup Stadium, where the Jamboree K-pop concert will be held at 7 p.m., is forecast to have rain until 6 p.m., but it is expected to stop before the performance begins. Wind speeds will be mild at 2 to 5 m/s, so there is no concern about strong winds. Expected rainfall amounts are 5 to 40 mm in Seoul, southern inland Gyeonggi, and northern Chungnam; and 20 to 60 mm in Incheon, western coastal Gyeonggi, northern inland Gyeonggi, and the five western islands. On the 12th, the country will be mostly cloudy, with the central region expected to remain cloudy until the morning.
Completely out of the typhoon's influence on the 13th and 14th, the nationwide daytime maximum temperatures are expected to range from 29 to 33 degrees Celsius. Although lower than the heatwave warnings issued nationwide at the end of July to early August when the apparent temperature exceeded 35 degrees, there is a possibility of late summer heat returning in mid-August. This is because temperature and humidity can vary depending on the pressure patterns around South Korea. The key factor is how the hot and humid air blowing from the edge of the North Pacific High and the hot and dry air entering along the edge of the Tibetan High will affect the Korean Peninsula.
The 7th typhoon, Ran, is heading toward Japan as of 9 a.m. on the same day. Currently, the likelihood of it coming to the Korean Peninsula is low, but the Korea Meteorological Administration stated that its path should be closely monitored in the future. Khanun initially headed toward China but suddenly changed direction toward Japan, and during that time, changes in pressure patterns caused it to turn again and move toward the Korean Peninsula.
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