South Korea is experiencing a nationwide scorching heat wave with temperatures reaching up to 40°C in some locations [1].
This extreme weather event threatens public health and infrastructure across the peninsula, particularly as the country manages the seasonal transition of solar terms and shifting atmospheric fronts.
Heat alerts are currently in effect across most of the country [1]. The extreme temperatures are most concentrated in the Gyeongsang-do (Yeongnam) provinces and central regions [2, 3]. In Seoul, the perceived temperature was recorded at 31.4°C (88°F) [4].
Meteorologists said the current conditions are due to the traditional solar term known as “Daeseo” and the presence of a stationary front moving northward [5, 1]. These factors have combined to trap heat across the region, creating a persistent high-pressure environment.
Forecasts for the coming days show a split in expected conditions. Some reports suggest that the scorching heat will continue tomorrow with highs near 35°C [6]. However, other data indicates that a stationary front may bring heavy and thundery downpours to central regions, which could potentially lower the temperature [7].
Local authorities said residents should monitor heat alerts and take precautions against heat-related illnesses. The volatility of the weather, shifting from extreme heat to potential thundery showers, adds a layer of complexity for emergency services and agricultural planning in the central provinces [2, 3].
“South Korea is experiencing a nationwide scorching heat wave with temperatures reaching up to 40°C.”
The intersection of the 'Daeseo' solar term and a northward-moving stationary front creates a volatile weather pattern. While the immediate danger is heatstroke and energy grid strain due to 40°C peaks, the sudden introduction of thundery showers in central regions can lead to flash flooding, complicating the disaster response for a population already stressed by extreme heat.



