It seems that heavy rains have fallen in Okayama and Shimane prefectures due to the effects of low pressure and fronts, and the Japan Meteorological Agency has released record short-time heavy rain information.
In western Japan, late at night on the 16th, and in eastern Japan, rain clouds may develop and it may rain extremely heavily, so caution is required against sediment-related disasters and flooding of rivers.
Even in Tohoku, such as Miyagi Prefecture, where it was a record heavy rain, it may rain again after dawn on the 17th, so please continue to spend your time in a safe place.
According to the Japan Meteorological Agency, atmospheric conditions are extremely unstable, especially in western and eastern Japan, due to the effects of stagnant fronts and low pressure systems near the Japanese archipelago.
During this time, rain clouds developed in the Chugoku region, etc., were analyzed by
radar
. It seems that it rained
about 110 mm in an hour until 50 minutes,
and the Meteorological Agency released record short-time heavy rain information.
In addition, rain clouds developed in Kinki, which is close to a low pressure system. ▽ At Shionomisaki in Wakayama Prefecture,
we observed extremely heavy rain of
71.5 mm in one hour until 5:30 pm .
In Shimane, Okayama, Wakayama, Miyagi, and Iwate prefectures, the risk of sediment-related disasters is extremely high, and there are areas where "earth and sand disaster warning information" has been announced, and in Miyagi prefecture, the risk of flooding is high. There are rivers that exceed the "dangerous flood level".
Front stagnation Be wary of heavy rain from Hokkaido to Chugoku region
The front is expected to stagnate near Japan on the 17th, and there is a risk that the atmosphere will remain unstable over a wide area from Hokkaido to the Chugoku region and it will rain heavily.
Especially in the Chugoku region and Kinki,
there is a risk of extremely heavy rain of 50 mm or more per hour
from late night on the 16th to dawn on the 17th in the Tokai and Kanto regions.
Also, in Tohoku and Hokkaido, such as Miyagi prefecture, where it rained record heavily until the morning of the 16th, there is a risk that the rain will intensify after dawn on the 17th.
The amount of rain that falls in the 24 hours until the evening of the 17th is heavy in
all places
▽ Tokai and Izu Islands, 150 mm in Hokkaido,
▽ 120 mm in Kanto Koshin,
▽ 100 mm in Tohoku and Hokuriku, Kinki,
▽ Chugoku region It is expected to be 80 mm.
In addition, 50 to 100 mm of rain is expected in Tohoku and Hokkaido in the 24 hours until the evening of the 18th.
The Japan Meteorological Agency is wary of sediment-related disasters, flooding of rivers, and inundation of low land, and is calling for careful attention to severe gusts such as lightning strikes and tornadoes, as well as "hail".
Due to the rain so far, the risk of disaster has continued to be high in Miyagi prefecture, so please continue to spend your time in a safe place.
In addition, there are areas in Tohoku, eastern Japan, and western Japan where heavy rains have already occurred, and disasters are more likely to occur, such as loosening of the ground.
Check more than usual for the latest information, such as how it rains, and be prepared to evacuate to a safe place before the danger is imminent.