Weekly Weather Even After Cold Weather During the Year, Severe Cold Continues (Jan 2, 2021) – Japan Meteorological Association tenki.jp

01/01/2021 Japan

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Weekly Weather “Intense Cold Air” Continues After Cold Weather

Winter-type pressure distribution continues through 3 (Sunday), and Hokuriku is wary of heavy snowfall on the Hokkaido side of the Sea of Japan. Strong cold air will come in around the 7th (Thursday).

The influence of the cold wave continues until the 3rd

The figure above is the average snowfall. The snowfall is wider than normal, mainly on the Sea of Japan side, and there are many places from Tohoku to Sanin where the snowfall is more than three times normal.

The winter-type pressure distribution continues until day 3 (sun) and the cold air remains. From the Hokkaido Sea of Japan side, there are places where heavy snowfall occurs not only along the mountains, mainly in Hokuriku, but also on flat terrain, and the amount of snowfall will increase even more. Please continue to pay attention to the impact on transportation. The Pacific side will be mostly sunny, but it will still be cold.

Also, strong cold to the south

Not only the cold waves of the end of the year, but also strong cold air is likely to flow in the future.

After the pressure drops and the fronts pass around Japan around the 5th (Tuesday), the winter-type pressure distribution will strengthen again. Cold air of -9 ° C or below (a guideline for bringing heavy snow to flat terrain) is expected to cover western Japan at nearly 1,500 meters above the sky.

Around the 7th (Thursday), it will snow heavily from the Hokkaido Sea of Japan side to Sanin and northern Kyushu, and there is a risk that the way down will be stronger. Be careful with the latest weather and traffic information. There will also be places where snow clouds flow on the Pacific side.

Severe cold in the middle of winter

It seems that the morning will remain very cold for the next week. The lowest temperature will drop to -10 ℃ in Hokkaido and -5 ℃ or lower in Tohoku in a few days. Be careful about freezing the water supply. There are many days when the temperature drops from Kanto to Kyushu to about 0 ° C, and the cold weather will continue.

The midwinter chill is likely to continue through the day. The maximum temperature is expected to be approximately equal to normal or lower than normal in many places. There will be many days of midwinter in Hokkaido and northern Tohoku, and around 3 ° C in southern Tohoku. From Kanto to Kyushu, there are many days when it does not reach 10 ℃, and it seems that there are days when it does not reach 5 ℃. The cold will continue, so take all possible measures against the cold.

The Laninha phenomenon continues the winter

The La Niña phenomenon is likely to continue into spring. The westerly wind in the sky is expected to easily meander south near Japan this winter, and cold air will flow easily into nearby Japan. Even towards the end of January, you need to be careful with heavy snowfall on the Sea of Japan side and cold on the Pacific side.

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