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It has been raining on the Pacific side from Sunday to Monday, and then a big cold snap has arrived during the New Years and New Years holidays.
From 27 to 28, the weather will collapse on the Pacific side. On the night of the 27th, heavy rain and thunderstorms are likely in southern Kyushu. After that, intense cold air is expected to flow into nearby Japan from around the 30’s to the beginning of the year.
1 month with less rain
From November to December, there are many sunny days on the Pacific side and it has rained less for the last month. On the Pacific side, December is the least rainy season of the year, but this year there are more places that are less than 10-20% of normal. In Kagoshima, the precipitation from the 1st to the 25th of this month is 3.0mm, which is about 4% of the average precipitation of 71.3mm in December. Even in Miyazaki, it has only fallen 1.0mm since the beginning of this month, and on the 26th, the minimum humidity dropped to 19% and the air remains dry.
Eliminate the air
This empty state of the air seems to disappear a bit. From 27-28, the low pressure and front lines are expected to move east along the southern coast of Honshu. In Kyushu, it will start to rain in the afternoon, and in some places it will rain more than half the average month. At night, heavy rains and thunderstorms occur in places in southern Kyushu, such as Kagoshima Prefecture, so watch out for heavy rains, thunderstorms, and gusts that fall in a short amount of time. Kinki, Tokai and Kanto Koshin are likely to have enough rain to moisten the air, mainly in the coastal areas, until Monday the 28th. Since the cold air in the sky is still weak, it is mainly rain, but there is a possibility that snow is mixed in high-altitude places like Yamanashi and Kanagawa prefectures.
The great cold wave comes at the end of the year and the end of the year and New Years
After the low pressure and fronts that bring rain to the Pacific side have passed, cold air is expected to gradually flow into the sky near Japan. Around the 30th, the winter-type pressure distribution will be stronger and there is a risk of heavy snowfall and bad weather, mainly on the side of the Sea of Japan from northern Japan to western Japan. There are places where heavy snowfall occurs even on flat terrain, so be fully prepared for heavy snowfall. On the other hand, the Pacific side is likely to have many sunny days again.
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