As of 11 a.m. on Monday the 29th, heat advisories took effect across Seoul and in parts of the greater capital area, as well as Gongju in South Chungcheong, the eastern and western areas of Cheongju in North Chungcheong, and southern Sejong.
This is the first time this summer that a heat advisory has been issued for all of Seoul. A heat advisory was also issued for Seoul on the 18th, but only the southeastern and SuNAM regions were included at that time.
A heat advisory is issued when the maximum heat index is expected to remain at 33 C or higher for two or more days. For the time being, Korea will be on the edge of a high-pressure system, and daytime highs are forecast to stay above 30 C.
Daytime highs by major region on the day are ▲Seoul 33 C ▲Incheon 30 C ▲Suwon 31 C ▲Chuncheon 31 C ▲Gangneung 27 C ▲Cheongju 33 C ▲Daejeon 32 C ▲Jeonju 31 C ▲Gwangju 32 C ▲Daegu 31 C ▲Busan 27 C ▲Jeju 26 C.
The Korea Meteorological Administration urged extra caution because the heat index at indoor and outdoor worksites and in rice paddies and fields can be higher than at locations with weather instruments installed, and asked people to refrain as much as possible from strenuous outdoor activities.
From the afternoon into the night, scattered showers are expected mainly in the inland areas of Seoul and Gyeonggi, the mountainous inland of Gangwon, the inland of the Chungcheong region, the inland of the Jeolla region, and the western inland of South Gyeongsang. Expected rainfall from the showers is 5–40 mm for most of the country and 5–20 mm for the Gyeongsang region.
Fine dust levels are at "moderate" in Seoul, Gyeonggi, North Jeolla, Gwangju, and Ulsan, and at "good" elsewhere.