Heavy rain forecast for southern South Korea and Jeju on Monday
In short
Southern South Korea and Jeju were forecast to receive heavy rain with gusts, thunder and lightning on Monday, Oct. 19. Forecast totals reached 80 millimetres in parts of the southwest and Jeju’s mountains, with fog and strong winds also prompting travel cautions.
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Heavy rain accompanied by gusts, thunder and lightning was forecast for southern South Korea and Jeju on Monday, Oct. 19. Seoul Economic Daily reported that rain would continue through the morning in southern regions and into daytime on Jeju. Expected rainfall was 30–80 millimetres in Gwangju, South Jeolla and North Jeolla, with the same range in Jeju’s mountains. Daegu, North Gyeongsang, Busan, Ulsan, South Gyeongsang and the rest of Jeju were forecast to receive 10–60 millimetres. [ 6 ]
For Jeju, Newsis reported that some areas could see rainfall of 20–30 millimetres an hour from dawn until 09:00. Roads in rainy areas were expected to be slippery, with reduced visibility. Dense fog could reduce visibility below 200 metres in the island’s middle and higher elevations. Gusts exceeding 15 metres per second, and 25 metres per second in the mountains, were forecast. The local weather agency urged care over facilities and accidents and advised ferry and airline passengers to check service information beforehand. [ 7 ]
Elsewhere, reports forecast dense fog in inland South Chungcheong and northern North Chungcheong from dawn into the morning. Korea Economic Daily and Seoul Economic Daily warned that fog could disrupt flights. Maeil Business warned that fallen leaves could block drains and contribute to flooding in low-lying areas, and cautioned against entering riverside paths and underpasses where people could become stranded. Seoul Economic Daily forecast morning lows of 7–20 degrees Celsius and daytime highs of 19–25 degrees. It also forecast offshore waves reaching 5 metres in the East Sea. [ 3 , 5 , 6 ]
Why it matters
Reports warned of slippery roads, reduced visibility and possible flooding in low-lying areas. Travellers were advised to check flight and ferry services because fog and strong winds could affect operations.
Key facts
- Rain was forecast to continue through the morning in southern areas and into daytime on Jeju on Oct. 19. [ 4 , 6 ]
- Forecast rainfall was 30–80 millimetres in Gwangju, South Jeolla, North Jeolla and Jeju’s mountains. [ 1 , 2 , 3 , 4 , 5 , 6 ]
- Jeju could receive rain at 20–30 millimetres an hour from dawn to 09:00, Newsis reported. [ 7 ]
- Reports warned that fog could affect flights and urged passengers to check operating information. [ 5 , 6 ]