2023-12-13 02:45:25
Snow marks on the Kanto region on the 20th After a strong cold air inflow, a low pressure system on the south coast moves eastward from the 19th, with some snow in inland areas (weather forecaster Akiko Ishigura December 13, 2023) – Japan Weather Association tenki.jp
Snow marks on the Kanto region on the 20th After strong cold air inflows From the 19th, a low pressure system on the south coast moves eastward, with some snow in inland areas
December 13, 2023 11:45
Tomorrow the 14th will be sunny in the Kanto region, but clouds will likely spread from the 15th to the 16th, with rain expected mainly in the northern and inland areas. As it rains more easily in the city center, you will need rain gear when going out. After that, strong cold air flows in, and it suddenly becomes winter air. 19th – A low pressure system on the south coast moves eastward, with the possibility of snow in the north and inland.
15th and 16th: Stronger southerly winds, similar to October 17th and 18th: Winter-like temperatures with a sudden drop in temperature
The image above is a weather map for the coming week.
Tomorrow, the 14th (Thursday), the area around Japan will be covered in high pressure. The sunny weather is expected to continue in the Kanto region.
On the 15th (Friday), a low pressure system accompanied by a front will approach Honshu from the west, bringing in warm and humid air. Clouds are likely to spread across the Kanto region, and rain is expected mainly in the northern and inland areas. Rain will be temporary in the southern part of the city, but you will need rain gear if you go out.
From the 16th (Saturday) onward, winds will strengthen from the south and temperatures will rise rapidly. The maximum temperature on Saturday the 16th will reach around 20℃ in various parts of the Kanto region, making it unbelievably warm for December.
After that, strong cold air will flow in and the weather will be quickly replaced by winter air. On the 17th (Sunday), it looks like it will be cold and windy from the followingnoon.
From the 18th (Monday) to the 19th (Tuesday), the maximum temperature will be below 10℃ in most places, making it the coldest day of the year and the coldest midwinter period. It’s going to be really cold during the day, so you won’t be able to do without your cold weather gear, so please be careful not to get cold.
As cold air flows into the upper atmosphere, a low pressure system off the south coast will move eastward on the followingnoon of the 19th (Tuesday). Heavy snow will fall along the mountains in the northern Kanto region and inland areas, and there is also a possibility of snow falling in flat areas.
19th – South coast low pressure moves eastward, snow possible in northern Kanto and inland areas
From early morning until the morning of the 20th (Wednesday), rain and snow clouds will cover a wide area of the Kanto region as the south coast low pressure system moves eastward.
In the northern and inland areas, snow will be concentrated mainly along the mountains, and there is a risk that snowfall will increase rapidly in a short period of time. Also, in some cases, even in flat areas, there is a possibility that it will snow instead of rain. For the southern coastal areas, the forecast currently calls for rain, but there is also a possibility of snow mixed in, so it is important to pay close attention to future information.
Since the forecast is still in the future, please check the latest information from time to time and prepare early, such as equipping yourself with winter tires. Even if it doesn’t snow, it will be bitterly cold at the end of the week, so you will need to take thorough measures once morest the cold.
What is the south coast cyclone that affects the weather in Kanto?
A low pressure system that moves over the sea south of Japan is called a “south coast low pressure system” because it passes along the southern coast.
The impact of the weather on the Kanto region depends not only on whether the south coast cyclone develops, but also on its distance from land. Depending on whether the south coast cyclone follows a course relatively close to the land or further away, it will determine whether it will snow, rain, or nothing at all.
Specifically, if the south coast cyclone’s path is from the north, it will bring precipitation areas and warm air to the Kanto region, so what it falls on will likely turn into rain, but if its path deviates to the south, it will move slightly south of Hachijojima. This brings in cold air from the north along with the precipitation area, so what falls in the Kanto region tends to turn into snow, and sometimes heavy snow. On the other hand, if the southern coast cyclone moves further south, there will be a lot of clouds in the Kanto region, but the precipitation area itself will not cover it, and it will often not rain.
When a “south coast cyclone” is predicted, pay particular attention to its path, but whether or not it will cause heavy snow in the Kanto region will also depend on the speed at which the cyclone moves, the drop in temperature, and the inflow of moist air. Heavy snowfall in the Kanto region may affect transportation, so please check the latest weather and traffic information frequently.
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