Key Facts
• On the night of August 7, torrential rain hit Satsuma and Osumi regions in Kagoshima.
• Kirishima City recorded 89mm of rain in just one hour.
• Roads in Kirishima, Aira, and Ichikikushikino were confirmed flooded.
• At 7:30 PM, national highways in Kirishima resembled rivers, submerging half of car tires.
• Extremely developed rain clouds are expected to return from early morning to midday on August 8.
• Linear rainbands may form, significantly increasing the risk of heavy rain disasters.
• Amami region is excluded from the forecasted rain cloud influx.
Summary
Kagoshima Prefecture’s Satsuma and Osumi regions experienced severe rainfall on August 7, with Kirishima City recording 89mm in one hour. Roads in Kirishima, Aira, and Ichikikushikino were flooded, with highways resembling rivers. The rain submerged half of car tires, causing significant disruption. Authorities warn of a potential return of developed rain clouds on August 8, with a high risk of linear rainbands forming, which could lead to heavy rain disasters. The Amami region is not included in the forecast. Residents are urged to remain vigilant.
