17th – Beware of snow and cold. Warning-level blizzard is feared in northern Japan. Snowfall is possible in flat areas of western Japan.
December 13, 2023 17:03
Tomorrow, the 14th, the weather will be downhill in western Japan as a front approaches. From the 15th to the 16th, it will rain over a wide area from Kyushu to Tohoku. After this rain, the strongest cold wave of the season hit. Snow and winds will become stronger over a wide area of Hokkaido, Tohoku, and Hokuriku, and there is a possibility of a warning-level blizzard. The Sea of Japan side of western Japan is also covered in snow, so be careful of snowfall.
17th – Strongest cold wave of the season hits
Tomorrow, the 14th (Thursday), the weather will be downhill in western Japan as a front approaches, and from the 15th (Friday) to the 16th (Saturday) it will rain over a wide area from Kyushu to Tohoku.
After this rain, the strongest cold air of the season is expected to move south.
The image above is a forecast of cold air at an altitude of around 1,500 meters.
On the night of the 16th (Saturday), cold air gradually moved south from the Sea of Japan, and by the morning of the 17th (Sunday), cold air with temperatures below -6°C, enough to cause snow to fall on the plains, reached Shikoku and the south of the Kii Peninsula. It will be completely covered. On the night of the 17th (Sunday), cold air with temperatures below -6℃ is expected to cover Hokuriku, southern Tohoku, and northern Kanto.
In addition, even stronger cold air is moving south into northern Japan, and from the 18th (Monday) to the 19th (Tuesday), the entire area of Hokkaido will be below -18℃, and the northern Tohoku region will be below -12℃, which is extremely cold for this time of year. You will be surrounded by The nation is expected to experience the strongest cold weather of the season.
The cold air in the sky is expected to peak between the 17th (Sunday) and the first half of the 18th (Monday), and will continue to be strong and weak thereafter.
17th: Widespread snow on the Sea of Japan side, including western Japan. Warning of snow accumulation; risk of blizzard.
On the 17th (Sunday), there will be a strong winter-like atmospheric pressure pattern near Japan. Cold air as cold as mid-winter is flowing into the sky, and snow is likely to fall over a wide area on the Sea of Japan side, including western Japan. Since snow clouds will continue to hang in the same place for a while, there is a risk of snow accumulation even in the flat areas of western Japan and Hokuriku.
Due to the stronger winds, some snow clouds may flow into the Pacific Ocean, where it usually doesn’t snow, and in some cases, it is possible that there will be snow accumulation and frozen roads in flat areas, so we need to be careful. If your car has not yet been fitted with winter tires, please prepare them as soon as possible.
In addition, northwesterly winds will strengthen across the country, and there is a possibility that Hokkaido, Tohoku, and Hokuriku will experience severe snowstorms. A blizzard could result in complete loss of visibility and impact on traffic. Even if you are used to driving on snowy roads, please pay close attention to snow information and take safe actions such as refraining from going out during periods of inclement weather.
Frozen road surfaces Areas to be especially careful about
Road surfaces that are wet from snow or rain can freeze when the temperature drops. In particular, there are four areas where you need to be careful about frozen roads:
(1) On top of bridges and pedestrian bridges, the heat from the ground is difficult to transfer and there is good ventilation, so it is easy to freeze. Especially when it’s blustery, the wind is stronger than other places, visibility is poor, and it’s easy to freeze, so it’s quite dangerous.
(2) The road surface conditions may differ greatly between inside and outside the tunnel. When entering and exiting a tunnel, drive at a sufficiently slow speed to avoid sudden changes to the steering wheel due to the icy road surface.
(3) It is important to slow down sufficiently before approaching intersections and curves. If you press the brake while turning the steering wheel, it will become very slippery. Also, when accelerating, make sure to complete the intersection or curve before stepping on the accelerator.
(4) Once the road surface freezes in the shade, it takes time to completely melt. Please be careful when walking along paths that are likely to be shaded, such as on the north side of buildings.
Large temperature difference 17th (Sunday) – Severe cold continues for a long time
Cold air will remain over Japan for a long time, alternating in strength and weakness over the next week.
Due to the effects of low pressure and a front, warm air will flow in from the south on Friday the 15th and Saturday the 16th, making it unseasonably warm across a wide area from Tohoku to Kyushu. From the Kanto region to the west, there are some places where the temperature exceeds 20 degrees Celsius, and the temperature is similar to that from mid-October to late November. It is expected to be the warmest day on record for late December.
After that, from the 17th (Sunday) onwards, severe cold weather will continue for a long time across the country.
Sapporo has been in the middle of winter since the 18th (Monday), with temperatures in Sendai and Niigata only reaching around 6 to 8 degrees Celsius.
The coldest temperature in central Tokyo will be 9℃ on the 19th (Tuesday), and the bitter cold will continue into next week. Western Japan, such as Osaka and Fukuoka, will not reach 10℃.
Even on the sunny Pacific side, measures against the cold are essential. There’s only half a month left this year. Please be careful not to get sick at the end of the year.
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2023-12-13 08:03:04
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