South Korea is preparing for heavy rainfall and strong wind gusts starting Tuesday night following a period of extreme heat [1].

The shift in weather patterns poses a significant risk of flash flooding and infrastructure damage as the region transitions from record-high temperatures to intense precipitation.

The Korea Meteorological Administration said that the storm system will bring rainfall up to 120 mm [1]. These conditions are expected to persist from the night of July 14 through the early hours of July 16 [1]. Some areas may experience hourly rainfall rates exceeding 50 mm [2], while wind gusts are forecast to reach 20 m/s or higher [1].

Officials said the weather is being driven by moisture from the dissipated Typhoon Babi. The system weakened over China but is now being drawn into the Korean Peninsula, where it is interacting with a low-pressure system and a stationary front [1].

This volatility follows a spike in temperatures across the country. In Daegu's Dong-gu and Gyeongsan's Hayang-eup, temperatures climbed to approximately 38 °C [1]. Meanwhile, Seoul's Nowon-gu district saw temperatures rise above 35 °C [1].

Forecasts indicate that the heaviest rain will impact northern Gyeonggi Province, central inland regions, and coastal areas [1, 2]. Local authorities are monitoring the situation closely as the moisture-rich air mass moves in.

"From tomorrow, heavy rain and gusts will be an emergency," a YTN anchor said [1].

“South Korea is preparing for heavy rainfall and strong wind gusts starting Tuesday night.”

The interaction between the remnants of Typhoon Babi and a stationary front creates a high-risk scenario for 'water bombs'—intense, localized bursts of rain. When extreme heat is immediately followed by heavy precipitation, it often indicates a highly unstable atmosphere, increasing the likelihood of sudden flooding in urban centers like Seoul and Gyeonggi Province.