2023-09-30 22:55:31
October 1st: Weather improves from Kyushu to the Tokai region; areas north of Kanto and Hokuriku should be careful of sudden intensifying rain and thunderstorms
Today, October 1st, the weather is expected to improve from Kyushu to the Tokai region. The atmosphere in the Kanto and Hokuriku regions north will continue to be unstable due to fronts and humid air. Even if the sun shines, be careful of sudden heavy rain or thunderstorms.
High pressure from the continent, low pressure and fronts in northern Japan
The live weather map as of 3 a.m. today on the 1st shows a front extending near Honshu. This front will gradually move southward. A high-pressure system filled with dry air is expected to emerge from the continent. Meanwhile, another front or low pressure system will pass near northern Japan.
[Weather in various places (from the west)]
Okinawa will have sunny spells. However, the swell from Typhoon No. 14 in the east of the Philippines has arrived, and the waves are increasing.
It rained in places from Kyushu to the Tokai region in the morning. In the Kinki and Tokai regions, there will be heavy rain accompanied by localized thunderstorms. In the afternoon, dry air will gradually move in and it will be sunny.
On the other hand, Hokuriku and Kanto-Koshinetsu will be covered in humid air. Although the sun may shine, rain clouds will form here and there in the morning and afternoon. The atmospheric conditions are especially unstable in the Kanto-Koshin region, and you need to be careful of sudden strong rain, lightning, and gusts of wind.
The Sea of Japan side of Tohoku will be cloudy throughout the day, with occasional light rain. The rain in particular becomes more widespread from around 3:00 p.m., and the rain can become heavier with thunderstorms. Heavy rain is expected to cause localized roads to flood.
There will be periods of sunshine on the Pacific side of Tohoku. However, there is a chance of showers, especially in the morning.
Hokkaido is cloudy and rainy in the mornings and evenings, with some places having thunderstorms. It will be sunny during the day, but please be careful of sudden rain.
Maximum temperature today is also higher than normal, with midsummer days west of the Kanto region
Maximum temperatures will be higher than normal today.
Temperatures are expected to be around 20°C to 25°C in Hokkaido, and 25°C to 28°C in Tohoku and Hokuriku.
Temperatures from Kanto to Kyushu are generally around 28℃, with some midsummer days reaching over 30℃, and temperatures in Okinawa will exceed 30℃. Heatstroke prevention is essential for outdoor leisure and sports. However, it gets cooler at night. Especially in western Japan, there are places where the wind blows strongly from the north, so even if it’s hot during the day, it’s a good idea to bring something to wear.
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