Due to the effects of low pressure systems and fronts, there is a risk of extremely heavy rain accompanied by lightning over 30 days on the Pacific side from eastern Japan to northern Japan.
The Japan Meteorological Agency calls for caution against sediment-related disasters and inundation of low land.
In western Japan, you need to be careful about lightning strikes and severe gusts such as tornadoes.
According to the Japan Meteorological Agency, warm and moist air is flowing from the south toward low pressure systems and fronts, causing heavy rainfall over a wide area. In western Japan, atmospheric conditions are expected to become extremely unstable over the 30th.
On the Pacific side of eastern Japan to northern Japan, it is expected that heavy rain of 30 mm or more per hour will be accompanied by lightning, and locally, extremely heavy rain of 50 mm or more per hour may occur.
The amount of rain in the 24 hours until the morning of the 30th
is expected to be
250 mm
in the
Tokai
region, 150 mm in the Kanto Koshin region,
and 100 mm in
the
Tohoku
region
.
The Japan Meteorological Agency calls for caution against sediment-related disasters, low land inundation, and river flooding.
Also, in western Japan, it is necessary to pay close attention to severe gusts such as lightning strikes and tornadoes over the 30th, as well as "hail".