Heavy rain has been falling in northern area of the country since 27 July. Several locations in Yamagata recorded more than 200mm of rain in 24 hours on 28 July, including Tsuruoka, Nishimura, Oguni and Nagai, according to Japan Meteorological Agency (JMA).
Okura village in Yamagata recorded 95.5 mm of rain in 3 hours on 28 July, triggering landslides and rivers to overflow. As many as 540 people were left isolated due to landslides in the area, according to a government spokesman.
The Mogami River in the prefecture broke its banks, flooding houses and roads in several areas including the town of Oishida as well as in Okura.
According to prefecture officials, around 90 homes have been damaged by the flooding and nearly 2,500 people have been evacuated. One person was reported injured.
— NHKニュース (@nhk_news) July 28, 2020
— YAMAGUCHI Hidekazu (@yama8888) July 28, 2020
— 佐竹莉奈 (@reriina) July 28, 2020