Temperatures reached 37 °C in South Korea's Yeongnam region on Monday as a severe heat wave gripped the nation [1].

The extreme weather poses significant public health risks and disrupts daily activity, particularly in the south where temperatures have remained consistently high.

Heat warnings were issued for several areas, including eastern Seoul, where midday heat persisted throughout the day [1]. In the Yeongnam region, North Changwon and Daegu-Sinam-dong both recorded peaks of 37 °C [1]. Other high-temperature readings included Gangneung at 36.4 °C and Yangsan at 36.3 °C [1].

In the capital, Seoul temperatures reached 32.5 °C during the afternoon [1]. This surge in heat follows a prolonged period of high overnight temperatures, with the region experiencing a tropical night after nine consecutive days [1].

"Today, while steamer-like heat appeared nationwide, the heat wave intensified again, especially centering on the Yeongnam region," a YTN anchor said [1].

Weather caster Won Chae-young said that heat warnings were issued for eastern Seoul starting in the morning, with the midday heat continuing [1]. She said that North Changwon was the hottest place in the country today, with temperatures soaring to 37 °C [1].

Meteorologists noted that an approaching typhoon may be influencing current weather patterns. Forecasts for Tuesday indicate continued heat with a morning temperature of 25 °C [1]. Scattered showers are also expected across the region as the weather system shifts [1].

Temperatures reached 37 °C in South Korea's Yeongnam region on Monday.

The persistence of 'tropical nights' alongside extreme daytime peaks suggests a stagnant weather pattern that prevents nocturnal cooling, increasing the risk of heat-related illness. The intersection of a severe heat wave with the potential approach of a typhoon often leads to volatile weather shifts, where extreme heat is abruptly replaced by heavy precipitation and high winds.