Key Facts
• September 4, 3:00 AM: Typhoon 15 forms south of Kyushu.
• 11:00 AM: Located 70 km south of Tanegashima, moving north at 30 km/h.
• Central pressure: 1002 hPa; Maximum wind speed: 18 m/s; Gusts: 25 m/s.
• Afternoon of September 4: Typhoon may approach or land in Kyushu and Shikoku.
• September 5: Expected to change course eastward near Shikoku.
• Rainfall forecast (September 4, 12:00 PM – September 5, 12:00 PM):
| Region | Rainfall (mm) |
|—————–|—————|
| Tohoku | 120 |
| Kanto-Koshin | 150 |
| Hokuriku | 120 |
| Tokai | 250 |
| Kinki | 250 |
| Chugoku | 120 |
| Shikoku | 300 |
| Northern Kyushu | 200 |
| Southern Kyushu | 180 |
• September 5-6: Additional rainfall expected in Kanto-Koshin (150 mm) and Tokai (100 mm).
• Risk of linear rainbands causing severe flooding and landslides in affected areas.
• Meteorological Agency advises monitoring weather updates and taking precautions.
Summary
Typhoon 15, classified as a rain-heavy typhoon, formed south of Kyushu on September 4. It is expected to approach or make landfall in Kyushu and Shikoku later in the day, with a potential eastward shift near Shikoku by September 5. The typhoon brings significant rainfall risks, with up to 300 mm forecasted in Shikoku and 250 mm in Tokai and Kinki regions. The Meteorological Agency warns of possible linear rainbands, which could lead to severe flooding, river overflows, and landslides. Residents in affected areas are urged to stay updated on weather information and take necessary precautions to ensure safety.
