2023-12-14 07:42:49
Intense cold wave starting Sunday; “early weather information regarding low temperatures and heavy snow” announced over a wide area; 1-month forecast
December 14, 2023 16:42
The Japan Meteorological Agency announced the forecast for the next month on the 14th. The average temperature and snowfall throughout the month are similar to normal years, but from Sunday onwards, temperatures will drop significantly due to the influence of cold air, and there is a possibility that the amount of snowfall on the Sea of Japan side will be significantly higher. Temperatures tend to be high from the end of the year to early January.
Temperatures and snowfall for the month are “normal” nationwide
Today, the Japan Meteorological Agency announced the forecast for the next month, from December 16th to January 15th.
The average temperature for the next month is “around normal” nationwide, and the amount of snowfall from northern Japan to eastern Japan on the Sea of Japan side is “around normal.” There will be a big difference in the amount of snowfall.
In areas near Japan, there is expected to be a period of strong winter-like atmospheric pressure, especially in the first half of the year, right before Christmas, when temperatures will be quite low and snowfall on the Sea of Japan side will be heavy.
“Early weather information regarding low temperatures and heavy snow” announced over a wide area
Today, the 14th, the Japan Meteorological Agency has issued “early weather information regarding low temperatures and heavy snow” for Tohoku, Hokuriku, Kanto-Koshin, Tokai, Kinki, and Chugoku regions, and “early weather information regarding low temperatures” for Shikoku, northern Kyushu, southern Kyushu, Amami, and Okinawa regions. ” was announced.
This information is being announced at a time when the possibility of extremely low temperatures and heavy snow, which only occurs once every 10 years, is higher than usual.
Temperatures are expected to fluctuate wildly over the next few days, and warm air will tend to flow in around the 16th, and the temperature will be quite high on some days, but after that, winter-like pressure patterns are expected to strengthen, making it more susceptible to the effects of cold air. .
Temperatures are likely to drop significantly from around the 20th. In addition, the amount of snowfall will be significantly higher, especially on the Sea of Japan side, and the amount of snowfall will be significantly higher than normal in the Kanto-Koshin region, especially in northern Nagano and northern Gunma prefectures.
Be sure to prepare snow removal goods and other supplies that you will need in case the snow increases. Also, care must be taken when managing crops.
From the 17th onwards, there will be two levels of intense cold waves, with risks associated with wind, snow, heavy snow, and low temperatures.
From now on, intense cold air is expected to flow over Japan in two stages, from the 17th to the 18th and after the 20th.
We need to be on guard against heavy snow and blizzards, especially on the Sea of Japan side. In addition, snow clouds may flow into parts of eastern Japan and the Pacific side of western Japan, where snow usually does not fall, so please pay close attention to the information.
There are risks such as the following due to wind, heavy snow, and low temperatures.
(1) Power outage (This may occur due to power lines being cut due to the weight of fallen trees or snow.)
In preparation for a power outage, it’s a good idea to have flashlights, warm clothing, blankets, etc. on hand.
It is also a good idea to prepare a mobile battery to ensure a power source.
(2)Water water freezes (water may freeze when the minimum temperature drops to -4℃ or lower or during consecutive midwinter days.)
Drain the water from the water pipes beforehand. Also, keep exposed outdoor water pipes and meters warm by wrapping them tightly with special tape using heat insulating material such as Styrofoam.
(3) Product shortages (this may occur due to logistics delays due to transportation network paralysis).
It’s a good idea to buy a little more food and a little more fuel for heating in advance.
Precipitation tends to be higher on the Sea of Japan side and in western Japan.
For the next month, the Sea of Japan and the Pacific side of western Japan will see rainfall at or above normal, and sunshine hours at or below normal.
There will be a winter-like atmospheric pressure distribution, and the Japan Sea side, which is more susceptible to the effects of cold air, will have more precipitation and the weather will tend to be less refreshing. Precipitation will also be at or above normal on the Pacific side of western Japan, which is susceptible to the effects of low-pressure systems.
On the Pacific side of eastern Japan, including the Kanto region, and on the Pacific side of northern Japan, precipitation and sunshine hours are near normal.
From the end of the year to early January, there will be more sunny winter days on the Pacific side, and it will be relatively mild, with many warm days during the New Year holidays. However, caution is needed as sudden cold air moving south may bring stormy weather and sudden snow. If you are planning a long trip, please pay attention to local snow information.
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