Heavy rain in Tohoku, Niigata, Hokkaido May 15:04, August 15
Due to the effects of low pressure and fronts, atmospheric conditions have become unstable in Hokkaido and Tohoku, causing heavy rainfall locally.
The Meteorological Agency has called for caution in northern Japan and Niigata Prefecture tomorrow (16th) for sediment-related disasters and flooding of low-lying land.
According to the Japan Meteorological Agency, a low pressure accompanied by a front approached Tohoku and Hokkaido, causing warm and moist air to flow into the atmosphere, making it unstable in northern Japan.
▽In Otaru, Hokkaido,
there was a heavy rain of 33 mm in one hour until around 0:50 am, and in Ōma town in Aomori prefecture, 44 mm in one hour until around 11:30.
In Hokkaido, Tohoku, and Niigata Prefecture, there is a possibility of heavy lightning rain of 30 mm or more per hour due to local lightning over tomorrow (16th).
The amount of rainfall in the 24 hours until the morning of the 16th is expected to be 100 mm on the Sea of Japan side of Tohoku and Niigata prefecture, 80 mm on the Sea of Japan side of Hokkaido, and 70 mm on the Pacific side of Tohoku. ..
The Meteorological Agency calls for caution against sediment-related disasters, flooding of low-lying land, and flooding of rivers, as well as violent gusts such as lightning strikes and tornadoes, and "hail".
If there are signs of a developing cumulonimbus approaching, such as sudden darkness of the environment or cold winds, move into a sturdy building to ensure your safety.