2023-10-18 02:48:58
Weather for 2 weeks: Thunderstorms from Hokkaido to Kyushu on Friday The coldest air of this autumn will head south this weekend, and temperatures will plummet
On the 20th (Friday), the front will pass from northern Japan to western Japan, bringing rain and thunderstorms from Hokkaido to Kyushu, mainly along the Sea of Japan side. After the front passes, strong cold air for this time of year is expected to move south across the country. There is a possibility of serious snowfall in the mountain passes of Hokkaido. There will be places in the mountains of Tohoku and Hokuriku where it will snow. Even in sunny areas, temperatures are likely to plummet.
A strong cold air is moving south at this time of year.
On the 19th (Thursday), a low pressure system will form in the northern Sea of Japan above the front. The front is expected to pass from northern Japan to western Japan until the 20th (Friday). On Thursday the 19th, there will be rain and thunderstorms in Hokkaido and northern Tohoku. Be careful of strong winds such as tornadoes, lightning, hail, and sudden heavy rain. On the 20th (Friday), it will rain from Hokkaido to Kyushu, mainly on the Sea of Japan side, and it is likely that the rain will become heavier in some places, accompanied by thunder.
On the 21st (Saturday), the atmospheric pressure will be high in the west and low in the east, and into the 22nd (Sunday) strong cold air will move southward across the country for this time of year. Cold air with temperatures below 0 degrees Celsius at an altitude of approximately 1,500 meters (a guideline for snow in the mountains) is expected to flow into northern and eastern Japan. It will be the coldest weather this fall. In Hokkaido, snow is falling even on the flatlands, and there is a possibility that it will be the first snow of the year. In some places at high altitudes, there may be heavy snowfall. There are likely to be places in Tohoku and Hokuriku where it will snow, especially in the mountains and high-altitude passes. Vehicles crossing mountain passes should be equipped with winter equipment and be aware of changes in road conditions.
Temperature plummets
As warm air flows in on the 19th (Thursday), the maximum temperature will be higher than normal, and it will be a summer day (maximum temperature of 25°C or higher) in places from Tohoku to Kyushu. On the 20th (Friday), temperatures are expected to plummet in Hokkaido as cold air flows in. It will be cold even during the day, with temperatures not reaching 15℃. The Kanto region, south of the front, is expected to still experience summer weather. On the 21st (Saturday) and 22nd (Sunday), both the maximum and minimum temperatures nationwide will be lower than normal. From the Tokai region to Kyushu, there are likely to be more places where daytime temperatures will not reach 20 degrees Celsius. The minimum temperature will drop to around 10℃ from Kanto to Kyushu, and it will be very cold. Please be careful not to get sick due to the sudden cold.
From the 23rd (Monday) to the 25th (Wednesday), maximum temperatures will be at or above normal.
Lots of clear autumn weather, pleasant weather during the day
There will be many clear autumn days around Honshu until the 31st (Tuesday). Hokkaido will have some sunny spells, but clouds are expected to spread easily.
Maximum temperatures will be higher than average on many days. It looks like there will be many pleasant and sunny days during the day. In Fukuoka, there will be some summer days even in late October. The minimum temperature will be around average on many days, and the mornings and evenings are likely to be cold. There will be a large difference in temperature throughout the day. Please be careful not to get sick due to the temperature difference.
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