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Snowfall in Iwamizawa, Hokkaido ranked first in December! More heavy snowfall in the future
Due to heavy snowfall every day, it has become a record for heavy snowfall in Hokkaido. In Iwamizawa, in the Sorachi region, the snowfall reached 129 cm (19) today at 11:00 am, which was the highest record in the history of statistics in December. The snow will increase intermittently until Monday and there is a risk of further snowfall.
Iwamizawa is more than three times normal, Sapporo is one third
The current area around Hokkaido has a winter-type pressure distribution, and it is snowing heavily on the Sea of Japan side. Due to the strong cold air in the sky, the snow clouds tended to develop and the descent path was intermittently strong. The amount of snow for 12 hours to noon is the highest at 19 cm in Iwamizawa.
In Hokkaido this season, there is not much change in the wind direction and flow of snow clouds on the day when the pressure distribution is winter-like, and the snow is concentrated in similar places. Iwamizawa, which had a snowfall of 129 cm, had a normal snowfall of 39 cm on December 19, which is more than three times the normal snowfall. On the other hand, in Sapporo, which is only about 40 km from Iwamizawa in a straight line, the snow at the same time is 7 cm, which is only a third of the average year (21 cm in the average year). You can see that the snow is very localized.
There is a fear that there will be more heavy snowfall the day after tomorrow
From tonight until tomorrow morning, there is a risk that snow clouds will form locally around Mount Hotkan Betsudake, which will be blown away by the wind and the snow will intensify even in the Sorachi region. Depending on the wind direction, heavy snowfall can occasionally fall around Iwamizawa.
In addition, from the day until the day after tomorrow, snow clouds will re-enter from the Sea of Japan in the same wind direction as before, so it will snow intermittently in Iwamizawa.
Due to tomorrow’s snow, Iwamizawa may significantly break the previous December’s snow record (129 cm). Sufficient attention needs to be paid not only to traffic obstacles caused by heavy snowfall, but also to accidents during snow removal work, such as falls during snow removal.
Last winter of 129 cm The only snowfall in history of more than 2 meters
The last time I saw 129 cm of snow in Iwamizawa was in December 2011, but this winter, along with January and February, had the highest snowfall in history, and on February 12, 2012 it was snowed. Reached 208 cm. It was the only year in statistical history that snowfall exceeded 2 meters at Iwamizawa.
There is a high possibility that it will snow in December beyond that winter, and it seems that it will be necessary to pay close attention to how it snows and the latest weather information even in the winter of January and February.
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