West-East Japan May be very rainy tomorrow August 19 17:54
West and eastern Japan have very unstable atmospheric conditions, which can cause extremely heavy rain locally on the 20th.
In addition to low land inundation and landslide disasters, sufficient attention should be paid to lightning and tornado gusts.
According to the Japan Meteorological Agency, due to the influence of warm and humid air flowing from the south of Kyushu to the eastern Japan, the atmospheric conditions in West Japan and East Japan become very unstable, and rain clouds develop locally. The
In the 1 hour until 5:00 pm, we observed 65 mm of extremely heavy rain in Uonuma City, Niigata Prefecture.
In Tochio, Nagaoka City, Niigata Prefecture, we observed extremely heavy rain of 76.5 mm, the largest number since the observation in 1951, for 1 hour before 4 pm.
On the 20th, a low pressure occurred on the front line and passed from west Japan to eastern Japan, resulting in unstable atmospheric conditions over a wider area and the possibility of very heavy rain with lightning locally. There is.
The amount of rain in 24 hours until the evening of the 20th is expected to be 120 mm in Hokuriku and northern Kyushu, and 100 mm in Chugoku and Shikoku.
The Japan Meteorological Agency calls for careful attention to inundation of low land, landslide disasters, river flooding, and strong gusts such as lightning and tornadoes.
If there is a sign that the accumulative cumulonimbus is approaching, such as sudden cold winds, please move into the building to ensure safety.