Due to the rapid development of low pressure systems that move toward Hokkaido on the 21st, extremely strong winds are expected to blow from the evening of the 20th to the 21st in Hokkaido and Tohoku, so caution is required against blizzards.
Even in Hokuriku and Niigata prefectures, the wind and snow are expected to intensify over the 21st, so please be aware of the latest information.
According to the Japan Meteorological Agency, it is raining over a wide area on the Pacific Ocean side due to the influence of the low pressure system advancing near Kyushu.
Be careful of heavy rain, lightning strikes, and gusts in the coastal areas of the Kanto region.
The low pressure system is expected to advance off Sanriku on the 20th while developing, and it is expected that a very strong wind will blow with snow after the evening centering on Hokkaido and Tohoku.
The maximum wind speed on the 20th is expected to reach 23 meters in Hokkaido and Tohoku, and the maximum instantaneous wind speed will reach 35 meters.
The low pressure system is expected to develop further on the 21st and reach the eastern part of Hokkaido, and the wind may become stronger.
The maximum wind speed expected on the 21st is 25 to 29 meters in Hokkaido, 20 to 24 meters in Tohoku, and the maximum instantaneous wind speed is 35 to 45 meters in Hokkaido and 25 to 35 meters in Tohoku. Is expected.
The waves are high, and it is expected to be a big hit in Hokkaido, Tohoku, and Niigata prefecture.
Especially in Hokkaido, there is a risk of a blizzard with no visibility, which may affect transportation.
The Japan Meteorological Agency is calling for caution against storms and high waves, as well as traffic impacts.
Be careful of heavy snowfall
The amount of snow may increase because strong cold air also flows into the sky.
The amount of snow that falls in the 24 hours from the evening of the 20th to the evening of the 21st is expected to be 60 to 80 cm in Niigata Prefecture and 40 to 60 cm in Hokkaido and Hokuriku.
It is expected that it will continue to snow in Hokkaido and other areas.
Be careful of power outages caused by avalanches and snow accretion.