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Heavy snow set to hit regions along Sea of Japan through Jan. 30: weather agency

A person shovels snow in the city of Toyama in this January 2020 file photo. (Mainichi/Ikuko Aoyama)

TOKYO -- The Japan Meteorological Agency (JMA) is calling for people to be on guard against blizzards, storms and high waves in areas across Japan through Jan. 30.

    The JMA forecasts a developing low-pressure system and a winter pressure pattern will cause strong winds with snow and very stormy seas through the evening of Jan. 29 in western Japan and through Jan. 30 in eastern and northern Japan. Heavy snow is expected mainly in areas along the Sea of Japan.

    The emerging low-pressure front is in the middle of the Sea of Japan, and is moving eastward to Hokkaido in the north. Cold air will cover many parts of the country through Jan. 30, causing a strong winter pressure pattern.

    The JMA forecasts maximum instantaneous wind speeds of 40 meters per second in Hokkaido, 35 meters per second in the northeastern Tohoku region and the Hokuriku area on the Sea of Japan coast, and 30 meters per second in the western Kinki and Chugoku regions through Jan. 30. During the same period, 9-meter-high waves are expected along the coasts of the Hokkaido, Tohoku and Hokuriku regions, 7-meter-high waves are tipped for the Chugoku region, and 6-meter-high waves are forecast for the Kinki region. The JMA is warning of transport disruptions caused by blizzards, storms and high waves.

    Over the 24-hour period ending at 6 a.m. on Jan. 30, the JMA is forecasting 70 centimeters of snow in the Hokuriku and central Tokai regions, 60 cm in the Hokkaido and Tohoku regions, and 50 cm in the Kinki region. Over the 24-hour period ending at 6 a.m. on Jan. 31, 30 to 50 cm of snowfall is forecast in the Hokuriku region, while 20 to 40 cm of snow is expected in the Hokkaido, Tohoku and Tokai regions.

    The JMA is urging people to take precautions against transport disruptions caused by heavy snow and against avalanches and the accumulation of snow.


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