Rainy season in Kanto Koshin etc. Extremely heavy rain from west to east Japan 12:02 on June 11
It rained over a wide area due to the influence of front lines and moist air, and the rainy season was announced in the northern part of Kyushu, Kanto Koshin, Hokuriku, and southern Tohoku on the morning of 11th. In Kyushu, there is intermittent heavy rain, and there is a possibility of extremely heavy local rain in western Japan and eastern Japan on the 12th, so be alert for sediment-related disasters.
According to the Japan Meteorological Agency, the atmospheric conditions have become unstable mainly in western Japan and eastern Japan due to the influence of the front and warm and humid air that extends near Honshu.
The Japan Meteorological Agency announced at 11 a.m. on November 11 that "the northern part of Kyushu, Kanto Koshin, Hokuriku, and the southern part of Tohoku are expected to have entered the rainy season."
The rainy season in each region is 6 days later in northern Kyushu, 3 days later in Kanto Koshin, and 1 day earlier in Hokuriku and southern Tohoku than in normal years.
Compared to last year, it is 15 days earlier in northern Kyushu and 4 days later in Kanto Koshin, Hokuriku, and southern Tohoku.
In Kyushu, it has been raining since the morning of the 11th, and by 1 hour until 11am, we observed 33 mm of heavy rain at Oguchi, Isa City, Kagoshima Prefecture, and 31.5 mm at Yokoya, Yuzen Town, Kumamoto Prefecture.
In western and eastern Japan, it is expected that the atmospheric instability will continue until the dawn of the 12th, and extremely heavy rainfall of 50 mm or more per hour may occur with local thunder.
The amount of rain that falls in the 24 hours until the morning of the 12th is high in all areas:
▽Kinki 300 mm,
▽North Kyushu and Shikoku 250 mm,
▽South Kyushu and Tokai 200 mm,
▽Kanto Koshin 150 mm,
▽ It is expected to be 120 mm in Chugoku region and Hokuriku.
The Meteorological Agency warns against sediment-related disasters, inundation of low-lying land, flooding of rivers, and calls for attention to lightning strikes and tornadoes.