Heavy snowfall warnings issued on Japan's Sea of Japan side, Akita Shinkansen suspended

The Japan Meteorological Agency forecasts warning-level heavy snowfall in mountainous areas and flatlands mainly on the Sea of Japan side from northern to western Japan through around Sunday, due to a continuing strong winter pressure pattern. The agency and the Land, Infrastructure, Transport and Tourism Ministry issued a joint emergency announcement on Monday, urging caution against public transportation disruptions and refraining from nonessential outings. Akita Shinkansen services have been suspended due to the snow.

The Japan Meteorological Agency has warned of warning-level heavy snowfall in mountainous areas and flatlands, mainly on the Sea of Japan side from northern to western Japan, through around Sunday, owing to a persistent strong winter pressure pattern. Parts of the Tokai region, which usually sees little snow, may also experience heavy accumulation.

On Monday, the agency and the Land, Infrastructure, Transport and Tourism Ministry jointly issued an emergency announcement, calling for vigilance against disruptions in public transportation and advising people to avoid nonessential outings. Warning-level snowfall is possible from Tuesday to Wednesday in Hokkaido; Wednesday to Thursday in northern Kanto as well as the Kinki and Chugoku regions; and Wednesday to Saturday in the Tohoku, Hokuriku, and Tokai regions.

Expected 24-hour snowfall from Wednesday through Thursday until 6 p.m. each day could reach 100 centimeters in the Hokuriku region, 70 centimeters in Tohoku and Kinki, and 50 centimeters in Hokkaido, the Kanto-Koshin, Tokai, and Chugoku regions in the heaviest-hit areas.

In response, East Japan Railway Co. suspended both inbound and outbound Akita Shinkansen services between Akita and Morioka stations since the first train on Tuesday due to heavy snow, with resumption scheduled for around 3 p.m.

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First snowfall blankets central Tokyo and Yokohama streets, with pedestrians and vehicles navigating light snow and icy roads on January 2, 2026.
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Tokyo and Yokohama see first snowfall of season, one day earlier than average

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On Friday, January 2, 2026, the first snowfall of the season was observed in central Tokyo and Yokohama. According to the Japan Meteorological Agency, it arrived one day earlier than the average but 14 days later than last season. The agency warned of heavy snowfall through Saturday in eastern to western regions facing the Sea of Japan, urging caution against traffic accidents on icy roads.

Following earlier warnings, heavy snow accumulated Thursday morning along the Sea of Japan side from northern Japan to Chugoku, with advisories for Ishikawa and Shiga prefectures. The winter pressure pattern is set to continue until Sunday, per the Japan Meteorological Agency.

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Heavy snow is expected mainly on the Sea of Japan side of Honshu and Hokkaido from Sunday to Monday due to a strong winter pressure pattern. The Japan Meteorological Agency is urging people to be cautious about driving and transportation disruptions. Maximum snowfall of up to 100 centimeters is forecasted in some regions over the next 24 hours.

A magnitude 6.9 earthquake struck off Iwate Prefecture on Sunday evening, prompting a tsunami advisory that was lifted shortly after 8 p.m. Waves reached up to 20 centimeters, with no reports of injuries or damage. The Tohoku Shinkansen was briefly suspended.

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On January 4, 2026, many Japanese returned to major cities after spending year-end and New Year holidays in hometowns or tourist spots. This caused severe congestion on trains, highways, and other transport links. By 5:30 p.m., the Tohoku Expressway had 27 kilometers of backups, according to the Japan Road Traffic Information Center.

West Japan Railway Co. (JR West) announced on Friday morning that Sanyo Shinkansen services between Hakata and Hiroshima stations have been suspended after a piece of plastic got caught in the overhead wires at JR Kokura Station. The driver of the Nozomi 103 train from Tokyo to Hakata spotted the issue and shut off the power supply for safety. This led to a power outage between Hakata and Shin-Shimonoseki stations starting at 11:03 a.m.

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Following a magnitude 7.5 earthquake off the eastern coast of Aomori Prefecture, Japan issued its first-ever megaquake advisory for 182 municipalities from Hokkaido to Chiba. The advisory, lasting one week, urges residents to prepare for immediate evacuation. While some elderly care facilities report readiness, others express uncertainty in responding.

 

 

 

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