What is Cloud Seeding?

By Saurabh Shukla


Cloud seeding is a process that alters weather patterns by introducing specific substances into clouds with the aim of increasing precipitation.

The Science

Cloud seeding operates on the principle of nucleation, where seeding agents such as silver iodide aid in the formation of larger water droplets or ice crystals within clouds.


There are two primary methods of cloud seeding: static seeding, which involves releasing seeding agents from the ground, and dynamic seeding, where aircraft disperse the agents directly into clouds.


For cloud seeding to be effective, certain conditions must be met, including high humidity levels, appropriate temperatures, and the presence of supercooled water or ice crystals within the clouds.


Cloud seeding finds application in various fields such as agricultural improvement, management of water resources, and the modification of weather patterns.


Despite its potential benefits, cloud seeding raises concerns regarding its environmental impact, including unexpected consequences on ecosystems, as well as ethical considerations concerning control over water resources.

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