Due to the warm and moist air, the atmospheric conditions became unstable in various places, and it seems that heavy rains of over 100 mm per hour in Yamagata and Saga prefectures fell on the morning of the 1st. Was announced.

In the afternoon, atmospheric instability continues in eastern Japan, Tohoku, Kyushu, etc., and there is a risk of extremely heavy rain, so caution is required against sediment-related disasters and inundation of low land.

According to the Japan Meteorological Agency, the atmospheric conditions have become unstable in Tohoku, eastern Japan, Kyushu, etc. due to the inflow of warm and moist air from the south, and rain clouds have developed locally.



According to the radar analysis by the Japan Meteorological Agency, it was about 110 mm in 1 hour until 6:30 am near Chinzeimachi, Karatsu City, Saga Prefecture, and 1 hour until 10 am near the southern part of Tsuruoka City, Yamagata Prefecture. It seems that it rained a lot, and "record short-time heavy rain information" was announced.



Due to the rain so far, the risk of sediment-related disasters has become extremely high in the southern part of Tsuruoka City, Yamagata Prefecture, and "Sediment-related disaster warning information" has been announced.



Atmospheric instability is expected to continue in eastern Japan, Tohoku, and Kyushu in the afternoon, and there is a risk of extremely heavy rainfall of 50 mm or more per hour accompanied by local lightning.



Due to the risk of sudden changes in the weather, the Japan Meteorological Agency warns against sediment-related disasters, inundation of low land, and flooding of rivers, and calls for careful attention to gusts such as lightning strikes and tornadoes.