Key Facts
• Northern Kyushu faces high risks of landslides and flooding through August 11 night.
• Linear rainbands may form, drastically increasing disaster risks in Yamaguchi, Fukuoka, Saga, Nagasaki, Oita, and Kumamoto.
• Rainfall totals since August 6: Fukuoka (Munakata) 359 mm, Nagasaki (Iki Airport) 329 mm.
• Record-breaking 24-hour rainfall observed in Fukuoka and Nagasaki.
• Predicted hourly rainfall (August 10): Fukuoka 70 mm, Saga 60 mm, Nagasaki 60 mm.
• Predicted 24-hour rainfall (August 10-11): Fukuoka 200 mm, Oita 200 mm, Kumamoto 200 mm.
• Linear rainbands expected to persist until August 11 morning in Yamaguchi, Fukuoka, Saga, and Nagasaki.
• Disaster prevention measures include avoiding low-lying areas and monitoring weather updates.
• Potential hazards: landslides, river flooding, lightning, and tornadoes.
• Residents advised to seek shelter if cumulonimbus clouds approach.
Summary
Northern Kyushu is under a heavy rain alert due to unstable atmospheric conditions caused by warm, moist air flowing into a stationary front over the Tsushima Strait. Linear rainbands are expected to form, significantly increasing the risk of landslides and flooding in Yamaguchi, Fukuoka, Saga, Nagasaki, Oita, and Kumamoto. Record-breaking rainfall has already been observed, with Fukuoka’s Munakata receiving 359 mm and Nagasaki’s Iki Airport recording 329 mm since August 6. Predicted rainfall through August 11 includes up to 200 mm in Fukuoka, Oita, and Kumamoto. Residents are urged to remain vigilant, avoid low-lying areas, and monitor weather updates. Additional hazards include lightning, tornadoes, and river flooding. Authorities emphasize the importance of safety measures, such as seeking shelter during severe weather conditions.
