Moist air flows into the Tohoku region, where the rainy season has not ended, and in the north, it rains more than 50 mm per hour, resulting in heavy rainfall.
It is expected that heavy rain will occur in Hokkaido over the 29th, so be careful of sediment disasters and be wary of river flooding and inundation of low land.
According to the Japan Meteorological Agency, a front extending from a low pressure system is approaching northern Japan, and moist air is flowing in from the Pacific High pressure system, causing developed rain clouds on the Sea of Japan side of Tohoku and Hokkaido.
In the hour until 11:00 am, a rain gauge installed in Fukaura Town by Aomori Prefecture observed a very heavy rain of 57 mm.
Due to the rain so far, the risk of sediment-related disasters has become extremely high in some parts of Aomori Prefecture, and sediment-related disaster warning information has been released.
After this, heavy rain of 40 mm per hour will occur mainly on the Sea of Japan side of the northern part of Tohoku, and there is a possibility that heavy rain of 30 mm to 40 mm per hour will occur in Hokkaido over the 29th. ..
The amount of rain in the 24 hours until noon on the 29th
is expected to be
180 mm on the Sea of Japan side of
Hokkaido, 150 mm on the Pacific side of Hokkaido, and 100 mm in Tohoku.
Rainfall continues to fall mainly in Hokkaido, and the 24-hour rainfall until noon on the 30th is expected to be 50 to 100 mm on the Sea of Japan side and the Pacific side of Hokkaido, and there is a risk of heavy rainfall.
The Japan Meteorological Agency is calling for strict caution against sediment-related disasters caused by heavy rains, as well as caution against river flooding and low land inundation.