South Korea is experiencing a severe heatwave this week that has prompted Seoul to issue its first ever severe heat warning [1].
The extreme weather poses a significant public health risk to millions of residents in the Seoul metropolitan area and western regions of the country. This surge in temperature marks a critical escalation in the region's summer weather patterns.
Authorities said 108 cases of heat-related illness occurred on Sunday [1]. The spike in medical emergencies follows a period of soaring temperatures that have disproportionately affected the western parts of the peninsula. Local officials are monitoring the situation as the heat continues to intensify across the metropolitan hub.
Meteorologists said the extreme conditions are due to a heatwave intensified by the influence of a Lusa-class tropical storm [1]. This atmospheric interaction has trapped heat over the region, creating a persistent dome of high temperatures that shows little sign of immediate relief.
Residents in the western region and Seoul have been urged to take precautions to avoid heatstroke and dehydration. The issuance of the first severe heat warning in Seoul indicates that current temperatures have surpassed historical thresholds for the city's weather monitoring system [1].
Public health services are on high alert as the heatwave persists. The coordination between meteorological agencies and emergency responders remains focused on reducing the number of heat-related casualties as the week progresses.
“Seoul issued its first ever severe heat warning”
The issuance of a first-ever severe heat warning in Seoul suggests that the city is facing unprecedented climatic conditions. The link between the Lusa-class tropical storm and the intensified heatwave highlights how tropical systems can exacerbate extreme heat even when they do not make direct landfall, increasing the burden on urban healthcare infrastructure.

