What happened
Extreme heat is spreading across the Korean peninsula, with South Korea's Yangsan recording 42.5°C on Sunday—the highest temperature in 122 years of weather observations. The Korea Disease Control and Prevention Agency reported 14 deaths and 1,889 heat-related illnesses since mid-May. Prime Minister Han Seong-sook ordered ministries and local governments to mobilize resources after raising the heatwave response alert to the second-highest level.
Why it matters
The heat is disrupting daily life, canceling baseball games and straining electricity supply as air-conditioning demand surges toward record highs expected in late August. North Korea is also experiencing dangerous conditions, with state media reporting heat advisories covering much of the country through the week. Authorities are racing to protect vulnerable residents through cooling shelters, free water distribution, and water-spraying operations.
What to watch
South Korea's weather agency warned temperatures could rise further in western regions this week. Power authorities are closely monitoring supply and demand as electricity consumption is expected to reach a record high in late August. The Korea Baseball Organization said further schedule adjustments could be considered if dangerous conditions persist.
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The heat wave spreading across the Korean peninsula represents an intensification of conditions that began in mid-May, with the Korea Meteorological Administration data showing the southeast city of Yangsan has now set a 122-year record. What began as a regionally concentrated crisis in South Korea's southeast has now expanded northward and westward into the Seoul metropolitan area and other western regions, prompting forecasters to warn of further temperature rises this week. The scale of the human toll—14 deaths and 1,889 heat-related illnesses since mid-May—underscores the urgency of the government's decision to raise its heatwave alert to the second-highest level and unlock emergency funding.
Beyond the immediate health crisis, the heat wave is straining critical infrastructure. Power authorities have activated emergency measures and are closely monitoring electricity supply and demand as consumption is projected to reach a record high in late August, driven by surging air-conditioning use. The disruption extends to daily life and entertainment: the Korea Baseball Organization cancelled games in Busan and Changwon and signaled willingness to make further schedule adjustments if dangerous conditions continue. In North Korea, state media reports indicate heat advisories covering much of the country will remain in place through the week, with tens of thousands of residents seeking relief at coastal and water park facilities.
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