Can AI tame torrential rain by 2050? The next frontier of weather control and forecasting
Japan has been experiencing increasingly severe damage from torrential rainfall triggered by typhoons and stationary linear rain bands. In response, an ambitious and unconventional idea is taking shape: artificially inducing heavy rainfall over the ocean to reduce extreme downpours on land.
Japan is grappling with increasingly severe damage from torrential rainfall triggered by typhoons and stationary linear rain bands, leading to an ambitious project aimed at artificially inducing heavy rainfall over the ocean to reduce extreme downpours on land. Led by Professor Shunji Kotsuki of the Institute for Advanced Academic Research/Center for Environmental Remote Sensing, the project, called AMAGOI, is part of the Cabinet Office's Moonshot Research and Development Program and aims to achieve a society safe from extreme winds and rains by 2050.
By using dry ice dispersed from an aircraft to trigger precipitation, the project seeks to reduce the amount of water vapor reaching land, potentially mitigating the risk of extreme rainfall disasters over populated areas. While simulations suggest a potential 10%–20% reduction in torrential rainfall, the inherent chaos of weather systems and the difficulty of intervening once rain has begun present significant scientific challenges.
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