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Cold air intake Continuing snowfall in Hokkaido The second half of the week changes! The temperature rises across the country
From the night of the 8th to the 11th, a strong cold air will flow towards the vicinity of Japan. Snowfall continues in Hokkaido and there is the possibility of heavy snowfall. However, in the second half of the week, the temperature will be high throughout the country and the season will slowly advance towards the beginning of December.
Eighth night at the cold air intake
On the night of the 8th, the area around Japan will have a winter-like pressure distribution with high west and low east, and cold air is expected to enter. Winds from the west or north will be widespread and it will snow and rain in Hokkaido. Rain clouds will flow from the Sea of Japan into Tohoku and Hokuriku, and snow is expected at high altitudes. Snow clouds will also cover the Kanto Koshin Mountains.
9-11 Cold air continues to flow Snow continues to fall in Hokkaido Is it the first snowfall in Honshu?
The cold air intake peak is 9-10, and cold air below -6 ℃ (cold air that is a guide for snow on flat ground) reaches the northern part of Tohoku about 1500 meters above the sky and cold air below 0 ℃ (snow in the mountains). Cold air, which is a guideline for this, is expected to flow south from Honshu. Also, around 5500 meters above Hokkaido, cold air below minus 36 degrees Celsius will enter. It is a strong cold that usually flows in the middle of winter. For this reason, snow clouds are likely to form. The effects of cold air last for about three days during the first half of day 11.
In Hokkaido, it can keep snowing and the fall form can get stronger. Falling snow can cause heavy snowfall. Snow clouds will flow from the Sea of Japan to the northern part of Tohoku and will also flow to the Pacific Ocean side. There is a possibility that the first snows will come from Aomori and Akita. From the southeastern part of the country to the China region, rain clouds will flow from the Sea of Japan, and there will be places where it will snow at high altitude. The amount of precipitation is likely to increase near Hokuriku. Under developed snow and rain clouds, screeches and gusts like tornadoes can occur.
On the other hand, on the Pacific side of Kanto, Tokai, Kinki and Kyushu, there will be many sunny days.
Nationally, the temperature is lower than normal and is approximately the same as in December
During the 11th, the minimum and maximum temperatures are lower than normal nationally, and it is expected that there will be places similar to December. It seems that the winter news of the first ice and the first frost will come from Kanto and elsewhere.
From the second half of the week to higher temperatures Since the beginning of December, the season progresses slowly
When this cold air is removed, the Japanese archipelago will be covered with warm air around the 12th. Minimum and maximum temperatures are expected to be as high as normal or higher throughout the country. Even in Hokkaido, there are many places where the temperature exceeds 10 ° C during the day from the 12th to the 13th. The next cold air is expected to flow on the 14th, but this cold air is mainly in Hokkaido and it is temporary. Also, by early December, cold air from the Arctic is less likely to flow into Siberia, and cold air from the mainland to Japan tends to be weaker. From the 16th to the 20th, the minimum and maximum temperatures are expected to be not only higher than normal, but also considerably higher in some places. We are heading into winter on a large scale, but progress will be slow.
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