The atmosphere in Hokkaido is expected to remain extremely unstable over the 12th, and the Meteorological Observatory is calling for caution on the Sea of ​​Okhotsk side against sediment-related disasters caused by heavy rain.

According to the Sapporo District Meteorological Observatory, the atmospheric conditions in Hokkaido are extremely unstable, and there are places where heavy rains occur.



According to the Japan Meteorological Agency, according to radar analysis, heavy rain of about 90 mm fell in the southern part of Kamikawa Town in one hour until 4:30 pm and in the northern part in one hour until 4:50 pm. It seems that it was.



As the danger of a disaster is imminent, the Japan Meteorological Agency is calling for the release of "record short-time heavy rain information" to ensure safety.



In Hokkaido, a low pressure system with a front will pass through the area over the 12th, and warm and moist air will flow in, so it is expected that heavy rain will occur over a wide area with lightning.



The amount of rain that falls by 6:00 pm on the 12th is 40 mm per hour at most, and the amount of rain that falls in 24 hours until 6:00 pm on the 12th is 100 mm in the northern part of the Sea of ​​Japan side. It is expected to be 80 mm in other areas.



The Meteorological Observatory warns of sediment-related disasters caused by heavy rains on the Sea of ​​Okhotsk side toward the beginning of tonight, and calls for careful attention to sediment-related disasters, inundation of low land, and flooding of rivers in a wide area of ​​Hokkaido until the evening of the 12th. ..