■Points for the next week■
・Rain and wind may become stronger around the 20th (Friday)
・Cold air moves in and the season progresses over the weekend
・The Orionid meteor shower will be at its peak on the weekend.
A low pressure system will pass around the 20th (Friday), so be careful of heavy rain and strong winds. Additionally, as cold air moves south after the low pressure system passes, temperatures will broadly drop over the weekend.
» Pinpoint weekly weather forecast
Eastern and western Japan have many sunny autumn days.
Although the weather changes periodically, we can expect many clear autumn days throughout the period.
By the middle of the week, there will be a migratory high-pressure system, resulting in clear autumn weather across much of eastern and western Japan.
The weather is expected to deteriorate over a wide area in the second half of the week, but from the weekend onwards, the area will once again be in a high-pressure area, and there will be many days with mild skies.
» Pinpoint weather forecast
Rain and wind are likely to increase around the 20th (Friday)
Weekly weather forecast 20th (Friday) to 25th (Wednesday)
On the 20th (Friday), a low pressure system accompanied by a front will develop as it passes through northern Japan. Please be careful as the rain and wind will increase and the weather will be rough, especially in northern Japan.It often rains in the morning on the Sea of Japan side of western and eastern Japan, and it tends to rain even on the Pacific side in the afternoon. As the front passes, the rain is expected to increase temporarily, bringing with it thunder and gusty winds.
Although it will not rain widely in the Kanto region, there is a possibility of showers, so we cannot let our guard down.
After the weekend, the area will be in the high-pressure area again, and many days will be mild and sunny in western and eastern Japan.
» Pinpoint weekly weather forecast
Cold air moves in and the season moves forward into the weekend
After the low pressure system passes, cold air is expected to flow into the upper atmosphere. Temperatures will be low in many places over the weekend, and even on Saturday, in places like Nagoya and Osaka, the maximum temperature is expected to be below 20°C even if it is sunny. It gets colder in the mornings and evenings, dropping to around 10 degrees Celsius, so you’ll need a thicker jacket. Please take care of your health.
In addition, there are many places in Honshu’s high altitude mountains where it will snow, and in Hokkaido, snow may accumulate on mountain passes. If you are driving, please don’t forget to prepare winter tires. After the evening, when the temperature drops, there is a possibility that rain will change to snow even in urban areas of Hokkaido, and the first snow may be observed.
Orionid meteor shower peaks on weekends
The Orionid meteor shower will reach its peak appearance this weekend. The best time to see them is expected to be from late night on the 21st (Saturday) to early morning on the 22nd (Sunday). At peak times, you can expect to see about 5 to 10 meteors per hour from a good viewing spot.
From the night of the 21st (Saturday) to the morning of the 22nd (Sunday), the atmospheric pressure will be high in the west and low in the east, and there will be fewer clouds on the Pacific side of western and eastern Japan, making it more likely that you will see shooting stars. There are many clouds on the Sea of Japan side, making meteor observation difficult.
However, since this is a meteor shower with a gradual peak, there are opportunities to observe it for several days before and after the peak. Aim for a clear day and enjoy meteor observation during the long autumn nights.
Reference materials etc.
2023-10-18 06:00:00
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