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Strong entry of cold air that peaks from the night of the 3rd to the morning of the 4th. Is it the first heavy snow this season?
From the night of November 3, cold air, which is a measure of snow, will flow towards Hokkaido and north Tohoku on flat terrain. It is expected to snow on the 4th. Even in Kanto Koshinetsu, it will snow in the mountains until the morning of the 4th.
November 1 to 2 The cold front passes through the Japanese archipelago At the entrance of cold air
The cold front is expected to pass through the Japanese archipelago from the night of November 1-2. From Hokkaido to Kyushu, there will be many places where it will rain. Frontline rain is unlikely to last long. However, once the cold front has passed, cold air will flow from the mainland. Rain clouds occurring in the Sea of Japan are expected to flow one after another, mainly on the Sea of Japan side of Tohoku and Hokuriku.
Third Night-Fourth Cold Air Inlet to Hokkaido and North Tohoku on Flat Ground as Snow Guide
From the night of the 3rd, the cold air intake will be even stronger. About 1,500 meters above the sky, cold air below -6 ° C will flow towards the northern part of Tohoku. It is the cold air that is used as a guide for snow on flat ground. In Hokkaido, rain turns to snow and the effects of cold air are expected to continue for the next four days. On day 4, there will be many places where it will continue to snow during the day even on flat ground. There are expected to be places where it will snow on flat ground even in the northern part of Tohoku.
It will be the first heavy snow of the season. Even in areas where people are used to snow, snow at the beginning of the season is prone to accidents like driving a car. Be more careful than usual.
Even in the Kanto Koshinetsu Mountains, the cars that cross the pass are tires for snowy roads.
Also, the effects of the cold night air on the 3rd are not limited to Hokkaido and northern Tohoku. Cold air below 0 ° C is expected to flow south of Honshu about 1,500 meters above the sky. It is the cold air that is used as a guide for snow in the mountains. Starting on the night of the 3rd, it is anticipated that it will snow heavily, mainly in Kanto Koshinetsu. The passage of the pressure valley above the sky can increase the snow. The peak of this cold air is currently expected to be until the morning of day 4. There will be only a few places where snow will continue on day 4, but there will be places where snow will accumulate high. Be sure to wear snowy road tires when crossing a pass.
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