Chiba Ohami Shirasato Minami Shirakame River No significant change in water level Observation instrument abnormal 9 September 2:14
Minami-Shirakame River in Oami-Shirasato, Chiba Prefecture, once on the homepage of the Ministry of Land, Infrastructure, Transport and Tourism, showed a water level that exceeded the "flooding dangerous water level" by more than 4 meters. It means that there was an abnormality in the observation instrument. Chiba Prefecture dispatches staff to the site and observes the water level directly.