Key Facts
• October 31: Low-pressure system forms over East China Sea, rapidly intensifying.
• November 1: Severe weather expected in northern and eastern Japan.
• Wind forecast: Max speeds of 25 m/s (Hokkaido) and 28 m/s (Tohoku).
• Wave forecast: Heights of 6m (Hokkaido), 7m (Tohoku), 5m (Kanto-Koshin).
• Rainfall forecast: Up to 150mm (Kanto-Koshin), 120mm (Tohoku, Hokkaido).
• Risks: Landslides, flooding in low-lying areas, river surges, lightning, tornadoes.
• Public advised to seek shelter during thunderstorms and manage agricultural assets.
• Meteorological Agency warns of unstable atmospheric conditions nationwide.
Summary
Japan’s Meteorological Agency has issued warnings for severe weather conditions on November 1, as a rapidly intensifying low-pressure system moves northeast along the Pacific coast. Northern and eastern regions, including Hokkaido and Tohoku, face risks of strong winds, high waves, and heavy rainfall, with up to 150mm expected in some areas. Residents are urged to prepare for potential landslides, flooding, and river surges. Nationwide, unstable atmospheric conditions may lead to lightning, tornadoes, and hail. Authorities recommend seeking shelter during thunderstorms and taking precautions to protect agricultural assets.
