2023-12-07 08:07:17
One month forecast for Hokkaido: There is a risk of significant snowfall mainly on the Sea of Japan side (weather forecaster Hayato Nanbo December 7, 2023) – Japan Weather Association tenki.jp
One month forecast for Hokkaido: There is a risk of significant snowfall mainly on the Sea of Japan side
December 07, 2023 17:07
Over the next month in Hokkaido, winter-like atmospheric pressure patterns will become stronger, making it easier for cold air to flow into Hokkaido. As a result, temperatures will remain generally low and may be particularly cold during the second week. In addition, there is a possibility of significant snowfall in the second week, especially on the Sea of Japan side.
Week 1 (December 9th to 15th): Temperatures are almost normal.
Around the 9th, a pressure trough will pass around Hokkaido, and in addition to relatively warm air flowing into the sky, the area will be susceptible to winter-like pressure patterns and cold air. As a result, there will be rain and wet snow in many places on the 9th, and following the atmospheric pressure trough passes, it is expected to change to snow in many places, mainly on the Sea of Japan side.
The snow that had piled up has temporarily melted in some places as the days have continued to be somewhat warm. When driving, please take extra care on snowy and icy roads. Pedestrians also need to be careful regarding changes in road conditions.
2nd week (December 16th to 22nd): Winter-like atmospheric pressure pattern strengthens, leading to fear of heavy snow mainly on the Sea of Japan side
Due to the strengthening of winter-like atmospheric pressure patterns, the Sea of Japan and Sea of Okhotsk sides are expected to have more cloudy and snowy days than normal. There is a risk that there will be a significant amount of snowfall, especially in areas along the Sea of Japan, so it is important to pay particular attention to the latest weather information during this period. Even in places where there has been little snow so far, there is a possibility that the season will suddenly advance in the second half of December, especially on the Sea of Japan side.
On the other hand, there will be many sunny days on the Pacific side.
Temperatures are generally low, and there are likely to be many days in the middle of winter. There is a risk that the cold days will continue, so you need to be careful regarding your physical condition. In addition to being careful regarding managing crops and freezing water pipes, be careful of accidents while removing snow. In case of a power outage, it is a good idea to have a flashlight, mobile battery, etc. on hand.
Additionally, seawater temperatures around Hokkaido are currently higher than normal in many places. When the winter-like atmospheric pressure pattern strengthens and strong cold air flows into the upper atmosphere, there is a high possibility of heavy snow mainly on the Sea of Japan side. The amount of snow may increase rapidly in a short period of time. When driving on snowy roads, it is a good idea to carry blankets, lap blankets, work gloves, etc. in addition to a flashlight and mobile battery in case you get stuck due to heavy snow or blowing snow.
Today (7th), the Sapporo Regional Meteorological Observatory announced early weather information regarding low temperatures and heavy snow for approximately 5 days starting around the 17th. Until around the 10th, the weather will not be affected by cold air, so temperatures will be around or above average, and even quite high on some days, but following that, the cold air will be more likely to flow in, so temperatures will be around or below average, and from around the 17th there is a possibility that it will be quite low. there is. Also, from around the 17th, there is a possibility that there will be a significant amount of snowfall, mainly on the Sea of Japan side, so we will need to be careful regarding the temperature and the way the snow falls.
3rd to 4th week (December 23rd to January 5th) Temperatures are expected to remain low
It will be partly sunny on the Pacific side, but clouds will likely spread, and snow will continue to fall on the Sea of Japan side. There is also a risk of locally heavy snow if a temporary strong cold air moves in. Even into the new year, you need to be careful regarding how the snow falls. Temperatures will remain at or below normal. If a power outage occurs during the year-end and New Year holidays, there is a good chance that it will take some time to recover. We recommend that you prepare a cassette stove or similar device just in case.
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