Key Facts
• Tropical depression upgraded to Typhoon No. 15 at 3:00 AM on September 4.
• Located approximately 140 km east of Amami Oshima at the time of formation.
• Predicted to approach northern Kyushu late night on September 4 to early morning on September 5.
• Heavy rain expected in Fukuoka Prefecture from midday to early evening on September 4.
• Hourly rainfall forecast: 40 mm in Fukuoka, Kitakyushu, Chikuho, and Chikugo regions.
• Total rainfall by 6:00 AM on September 5: 80 mm in all regions mentioned above.
• Maximum wind speeds forecast (September 4–5):
– Coastal areas: 15 m/s (gusts up to 25 m/s)
– Inland areas: 12 m/s (gusts up to 25 m/s)
• Wave heights forecast (September 4–5):
– Coastal areas of Fukuoka and Kitakyushu: 2.5 meters
– Seto Inland Sea and Chikugo coastal areas: 1.5 meters
• Meteorological agency warns of landslides, flooding, river overflows, strong winds, high waves, lightning, and tornadoes.
• Residents advised to seek shelter indoors if cumulonimbus clouds approach.
Summary
Typhoon No. 15 formed early on September 4 and is expected to approach northern Kyushu late that night into early September 5. Heavy rain, strong winds, and high waves are forecast, with rainfall potentially reaching 80 mm in 24 hours. Coastal areas may experience wind speeds of 15 m/s and waves up to 2.5 meters. The meteorological agency has issued warnings for landslides, flooding, and severe weather phenomena like tornadoes. Residents are urged to stay vigilant and prioritize safety by seeking shelter indoors if severe weather conditions develop.
