2023-10-04 07:04:59
Autumn weather will not continue, and there is a risk of heavy rain in southern Kyushu and Shikoku on the Pacific side during the three-day weekend. Be careful of temperature differences (weather forecaster Akiko Aoyama October 4, 2023) – Japan Weather Association tenki.jp
Autumn weather will not continue; heavy rain is likely in southern Kyushu, Shikoku and other parts of the Pacific Ocean during the three-day weekend; be careful of temperature differences
October 04, 2023 16:04
Tohoku and Hokkaido are on alert for strong winds into the 6th (Friday). During the three-day weekend starting on the 7th (Saturday), rain will spread from the west. There is also a risk of heavy rain in southern Kyushu, Shikoku, and other parts of the Pacific Ocean. The sunny autumn weather will not last long, and the temperature difference is likely to increase.
5th – 6th: High pressure in the west and low in the east Northern Japan is on alert for storms
From tomorrow the 5th (Thursday) to the 6th (Friday), a low pressure system will develop as it passes over Hokkaido, and the pressure pattern of high pressure in the west and low pressure in the east will gradually become stronger. The spacing between the isobars will become narrower, especially in northern Japan, and winds from the north or west will likely become stronger. There are places in Tohoku and Hokkaido where there will be heavy rain, so please be careful of strong winds. In addition, cold air with temperatures below 0℃ will flow in at around 3,000 meters above the ground, and it is likely that snow will fall in some places in the high altitude mountains of Hokuriku and Hokkaido. Winter news, such as the first snowfall, may arrive one after another.
From Kyushu to Kanto, where the sun shines, the maximum temperature can exceed 25 degrees Celsius, making it so hot that you may even sweat. In inland areas, there are likely to be midsummer days with temperatures of over 30 degrees Celsius. However, due to the influence of the wind, you won’t feel as hot as the temperature.
Three consecutive holidays, heavy rain on the Pacific side
On the 7th (Saturday), high pressure will build up, and the weather will improve on the Sea of Japan side of Tohoku and Hokkaido, with clear autumn skies expected over a wide area. However, a low pressure system forming above the autumn rain front will approach Okinawa.
From the 8th (Sunday) to the 9th (Monday: Sports Day), the front is expected to move northward to the southern coast of western and eastern Japan, and the low pressure system is expected to move eastward. The area of rain will gradually spread eastward, and rain clouds will form over the Pacific side of western Japan, including southern Kyushu and Shikoku. There is a risk of heavy rain, so if you have leisure plans, please check the latest information. From Kyushu to Kanto, there are places where the maximum temperature will not reach 20℃ due to rain, and it will feel chilly even during the day.
On the 10th (Tuesday), it will rain from the Tokai region to the Tohoku region, but sunny areas will spread from the west. Even though the temperature has risen during the day on Wednesday the 11th, it will still be crispy, and the temperature difference between morning and evening and daytime will likely be large.
Temperature and clothing guidelines
The diagram above is a guideline for temperature and clothing.
In places where the maximum temperature is over 25 degrees Celsius, short sleeves during the day may be just right. When the temperature drops below 20 degrees Celsius, I feel chilly without something to wear, such as a cardigan or jacket. When the temperature drops below 15℃, the recommended clothing is a sweater. It is also said that if the wind blows 1 meter from the north, the perceived temperature will drop by 1 degree Celsius, so you may feel that it is just right to wear clothes that are cooler than the actual temperature.
On sunny days, the temperature difference between morning and evening and daytime is often more than 10 degrees Celsius, so wear clothes that can be adjusted to suit the time of day you’re going out. Since people experience heat and cold differently, please use this as a reference when choosing clothing.
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