You can learn about the characteristics of river flooding and the actions to take. You can also use Tokyo My Timeline to prepare for wind and water disasters!
[This video simulates wind and water disasters. Please watch it using your own discretion, as it may cause emotional stress.]

※Related website
　Tokyo Metropolitan Disaster Prevention Webpage
　「Tokyo My Timeline」
　https://www.bousai.metro.tokyo.lg.jp/mytimeline/