Key Facts
• At 9 AM on August 2, Typhoon No. 9 was east of Kanto, moving northeast at 20 km/h.
• Central pressure: 975 hPa; maximum wind speed: 25 m/s; maximum gust: 35 m/s.
• Warm, moist air from the typhoon will cause unstable atmospheric conditions on August 2.
• Predicted wave heights: Kanto – 5 meters, Izu Islands – 4 meters, both with swells.
• Maximum wind speeds on August 2: Kanto coastal areas – 18 m/s (gusts up to 30 m/s).
• Predicted rainfall on August 2: Kanto North – 40 mm/hour, Kanto South – 40 mm/hour, Koshin – 50 mm/hour.
• Total rainfall from August 2 noon to August 3 noon: 80 mm in Kanto North, Kanto South, and Koshin.
• Potential hazards: landslides, flooding in low-lying areas, river swelling, lightning, tornadoes, hail.
• Residents advised to monitor for cumulonimbus clouds and seek shelter indoors if necessary.
• Agricultural management precautions recommended due to hail risks.
Summary
Typhoon No. 9, moving northeast at 20 km/h, is causing unstable weather in the Kanto-Koshin region on August 2. The Japan Meteorological Agency warns of heavy rain, strong winds, and high waves, with potential hazards including landslides, flooding, and severe thunderstorms. Predicted rainfall could reach 80 mm in 24 hours, with hourly rates up to 50 mm in some areas. Coastal areas may experience waves up to 5 meters and gusts up to 30 m/s. Residents are urged to stay vigilant, monitor weather updates, and take safety precautions, including moving indoors during severe weather. Farmers should also protect crops and facilities from hail damage.
