In the evening in eastern Japan, in the dawn in Tohoku fear of heavy rain April 18 12:02

Due to the low pressure and the front, atmospheric conditions have become unstable mainly in the Tokai and southern Kanto regions, causing heavy rainfall locally. Heavy rain may occur in the evenings in eastern Japan and in the dawn on the 19th in Tohoku, so be careful about sediment-related disasters, flooding of low land, lightning strikes, and gusts.

According to the Japan Meteorological Agency, due to the low pressure going east of the Sea of ​​Japan and the warm and moist air flowing into the front extending to the Pacific Ocean, the atmospheric condition becomes unstable over a wide area, and the center of the Tokai and southern Kanto regions Rain and wind are increasing.

During 1 hour until 11:00 am, a rain gauge installed in Atsugi City by Kanagawa Prefecture was observed for 35 mm, and a heavy rain of 31.5 mm was observed at Shinshiro City, Aichi Prefecture.

After this, a low pressure system develops and passes around Japan. In
▽ East Japan, in the evening, and in
▽ Tohoku, heavy rain accompanied by lightning rained, and locally over 50 mm per hour. It can rain very heavily.

The amount of rainfall in the 24 hours until the morning of the 19th is expected to be
180 mm in the Tokai
area, 150 mm in the Kanto Koshin and Tohoku areas,
and 120 mm in the Izu Islands where there is a lot of rain .

With the development of low pressure, the wind also intensifies mainly on the Pacific Ocean side.
▽ In eastern Japan,
very strong winds will blow in the evening, and in ▽ Tohoku at the dawn of the 19th, there is a risk of barges and barges at sea.

The maximum wind speed over the 19th is expected to be
23 m in the Kanto Koshin and
20 m in the Tohoku and Izu Islands, and the maximum instantaneous wind speed is expected to reach 30 to 35 m.

The Japan Meteorological Agency calls for careful attention to sediment-related disasters, flooding of low-lying land, flooding of rivers, strong winds, high waves, and gusts of lightning and tornadoes.