A tropical cyclone over the sea south of Japan is expected to develop into a typhoon by the 23rd and approach the Pacific side of eastern Japan from western Japan from Saturday to Sunday on the 24th during the three-day holiday period.
There is a risk of heavy rain in the Tokai, Kinki, and Kanto-Koshin areas, and caution is required against landslides and flooding of low-lying land.
The Japan Meteorological Agency announced on the morning of the 22nd that a tropical cyclone over the sea south of Japan is expected to develop into a typhoon by the 23rd.
The typhoon, which has changed from a tropical cyclone, will continue to move north after this, and is expected to approach the Pacific side of eastern Japan from western Japan from Saturday 24th to Sunday 25th.
It is expected to turn into an extratropical cyclone by Sunday morning on the 25th without a storm zone, but it is expected that the atmospheric conditions will become unstable due to the influx of moist air mainly in western Japan and the Pacific side of eastern Japan. is.
As a result, heavy rain accompanied by thunder will fall over a wide area from now until Sunday, and there is a risk of localized extremely heavy rain of 50 mm or more per hour especially in the Tokai region.
The amount of rain that will fall in the 24 hours until noon on the 23rd is expected to be 150 mm in the Tokai and Kinki areas, and 120 mm in the Kanto and Koshin areas. 100 to 200 mm of rain is expected, and 100 to 150 mm of rain is expected in Kanto-Koshin.
In addition, it is expected that the wind will strengthen from the 23rd, mainly on the Pacific Ocean side of western Japan and eastern Japan, and the waves will be high in some places.
There are places where the ground is loose in areas where heavy rain fell due to Typhoon No. 14 that crossed the Japanese archipelago on the 24th.
The Japan Meteorological Agency warns against landslide disasters, flooding of low-lying land, and flooding of rivers, as well as gusts such as strong winds, high waves, lightning strikes, and tornadoes.
During the three consecutive holidays, outdoor leisure activities such as the sea and mountains can be dangerous, so please check the latest weather information.