It will be sunny nationwide on the 25th, but it is expected that the weather will turn rough on the 26th.
Be wary of storms, high waves, and inundation of low land, as the effects of low pressure can cause extremely strong winds nationwide and extremely heavy rains, especially in western Japan.
According to the Japan Meteorological Agency, it will be sunny nationwide on the 25th and the temperature will rise, but on the 26th the high pressure will move to the east and two low pressures will approach from the west and the weather will collapse.
Warm and moist air flows toward low pressure systems and fronts, which is expected to cause unstable atmospheric conditions, and there is a risk of extremely heavy rainfall of 50 mm or more per hour locally in western Japan.
The amount of rain expected to fall in the 24 hours from the morning of the 26th to the morning of the 27th is 100 mm to 200 mm in southern Kyushu, Amami, northern Kyushu including Yamaguchi Prefecture, and Shikoku. It is expected.
Be wary of low land inundation, sudden river flooding, and landslides.
Be wary of storms over a wide area
Also, be wary of storms over a wide area.
Due to the development of a low pressure system traveling in the Sea of Japan, a very strong southerly wind is expected to blow.
On the 26th, the maximum expected wind speed is
▽ Chugoku region, Kinki, Hokuriku 23 meters
▽ Northern Kyushu including Yamaguchi prefecture 20 meters
▽ Tohoku 18 meters,
maximum instantaneous wind speed is 25 to 35 meters even on land It is expected.
On the Sea of Japan side, the wind blowing down from the mountains may become stronger locally.
In addition, it is expected to go offshore.
Be wary of storms and high waves.