Authorities lifted all heavy-rain warnings in southern Gyeonggi Province by 3 p.m. on Thursday [1].
While the immediate weather alerts have ended, the aftermath highlights the vulnerability of urban infrastructure to sudden, intense downpours. The rapid rise of river levels in residential areas poses ongoing risks to public safety and accessibility.
In Yongin City, the impact was particularly visible along the Singalcheon walking path. Cumulative rainfall in the area reached 89.5 mm [1]. This figure sits just below the 90 mm in three hours threshold required for a formal heavy-rain warning [1]. Despite the warning being lifted, the area suffered significant flooding.
"Due to the influence of the heavy rain that fell today, the river level rose rapidly and the walking path where I am was completely submerged for a while," Cho Kyung-won, a YTN field reporter, said [1].
Following the recession of the water, officials and residents found scattered debris across the landscape. The floodwaters carried away various items, leaving a trail of destruction on the walking paths.
"Small branches, a soccer ball, and even a bicycle are scattered here, making the power of the heavy rain felt once again," Cho said [1].
Weather officials said that the rain, which fell intensely during the day, began to subside as the afternoon progressed [1]. The transition to a lull in precipitation allowed for the lifting of the regional alerts, though cleanup efforts in the Singalcheon area continue.
Local residents are advised to remain cautious near riverbanks and walking paths, as ground saturation can lead to unstable conditions even after the rain stops.
“The river level rose rapidly and the walking path where I am was completely submerged for a while.”
The proximity of Yongin's rainfall to the official warning threshold suggests that urban flooding can occur even when meteorological triggers for the highest alerts are not fully met. The rapid inundation of the Singalcheon walking path underscores the speed at which urban streams can overflow during concentrated bursts of precipitation, necessitating more agile local response systems.


