Key Facts
• Typhoon No. 15 approached Kyushu on September 4, shifting eastward toward Japan’s Pacific coast.
• Heavy rainfall expected in western and eastern Japan through September 5, with risks of landslides and flooding.
• Predicted 24-hour rainfall (September 4, 12 PM to September 5, 12 PM):
– Tohoku: 120 mm, Kanto-Koshin: 150 mm, Hokuriku: 120 mm
– Tokai: 250 mm, Kinki: 250 mm, Chugoku: 120 mm
– Shikoku: 300 mm, Northern Kyushu: 200 mm, Southern Kyushu: 180 mm
• Predicted 24-hour rainfall (September 5, 12 PM to September 6, 12 PM):
– Kanto-Koshin: 150 mm, Tokai: 100 mm
• Linear rainbands may form, increasing disaster risks in specific regions:
– Tokai (Gifu, Shizuoka, Aichi, Mie): September 4 evening to September 5 midday
– Shikoku (Tokushima, Ehime, Kochi): September 4 evening to September 5 morning
– Northern Kyushu (Oita): September 4 afternoon to late night
– Southern Kyushu (Miyazaki): September 4 afternoon to late night
• Typhoon status as of September 4, 2:40 PM:
– Location: 40 km east of Tanegashima
– Central pressure: 1000 hPa, Max wind speed: 18 m/s, Gusts: 25 m/s
• Forecast for September 5, 12 PM: Typhoon near Wakayama City, moving northeast at 30 km/h.
Summary
Typhoon No. 15 is expected to bring significant rainfall and potential disasters to Japan’s western and eastern regions through September 5. The Japan Meteorological Agency warns of landslides, flooding, and river overflows, with linear rainbands likely to form in areas such as Tokai, Shikoku, and Kyushu. Predicted rainfall totals range from 100 mm to 300 mm, with Shikoku facing the highest risk. The typhoon, currently near Tanegashima, is moving northeast and will approach Wakayama City by midday on September 5. Residents are urged to remain vigilant and prepare for severe weather conditions.
