1957 Isahaya floods

[1] Thereafter, at 3:00 p.m. on the 25th, the monsoon front was mostly stationary in central Nagasaki Prefecture, remaining there until the 26th, bringing record heavy rain accompanied by thunder.

[4] Japanese prime minister Nobusuke Kishi flew surveyed the damage from a plane flying over the disaster area and dropped 250000 leaflets with his promise that help was on its way.

[5] The United States donated relief supplies and sent its Air Force to Japan with a mercy airlift of food and clothing for the flood victims.

[5] Since Megane bridge had exacerbated the flooding by catching and holding debris, blocking the escape of floodwater, it was decided to blow it up and turn it into rubble for the seawall.

Storm surge damage has disappeared, and Isahaya citizens rate the water level control and flood prevention effects of the reclamation project highly.