Key Facts
• A rapidly developing low-pressure system is causing severe weather in northern Japan.
• Heavy rain in Tohoku has loosened ground, increasing landslide risks.
• Over 150 mm of rain fell in 12 hours in Tohoku, a record for November.
• Northern Japan may see over 100 mm of rain by Sunday morning.
• Winds up to 40 meters per second are expected in northern Japan.
• Coastal areas in Hokkaido face risks of flooding due to storm surges.
• The Sea of Japan region is experiencing unstable atmospheric conditions, with thunderstorms likely.
• Sudden strong rain and lightning are possible in sunny areas from Kanto to western Japan.
• Daytime temperatures in Tokyo may reach 23°C, while Sapporo will remain cooler at 11°C.
• The three-day weekend will bring unstable weather to the Sea of Japan, with colder air arriving Monday.
Summary
Northern Japan is bracing for severe weather due to a rapidly intensifying low-pressure system. Heavy rain has already caused record-breaking precipitation in Tohoku, with over 150 mm falling in 12 hours, raising landslide risks. By Sunday morning, over 100 mm of additional rain is expected, accompanied by strong winds reaching 40 meters per second. Coastal areas in Hokkaido face flooding risks from storm surges. The Sea of Japan region is also experiencing unstable atmospheric conditions, with thunderstorms and sudden strong rain likely. Meanwhile, areas from Kanto to western Japan will see higher temperatures, with Tokyo reaching 23°C, but must remain alert for sudden weather changes. The three-day weekend will bring continued instability to the Sea of Japan, with colder air arriving Monday, leading to a significant drop in temperatures. Residents are advised to monitor weather updates and take precautions against landslides, flooding, and sudden weather changes.
