Tokyo Metropolitan Government Flood Prevention Comprehensive Information System

In the torrential rain disaster caused by the typhoon that occurred in August 2016, the Omoto River in Iwate Prefecture flooded, causing tragic damage such as the death of a user of a facility for the elderly. Due to the growing importance of this issue, the Tokyo Metropolitan Government provides real-time information on the Internet through the Flood Disaster Prevention General Information System, which provides observation information from rain gauges and river water level gauges installed in the city.

The Tokyo Metropolitan Government provides real-time information via the Internet about observation data from rain gauges and river water level gauges installed in the city.
Note: Access method → You can see it from "Rainfall/river water level information" on the Bureau of Construction website.