Cloud Seeding Explained in Simple Words
By Science ABC
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Cloud seeding is a weather modification technique aimed at enhancing precipitation, such as rain or snow, by introducing substances into clouds to encourage water droplet formation. Developed in the 1940s by American scientists Vincent Schaefer and Bernard Vonnegut, it was first tested in 1946 when dry ice was dropped into clouds, triggering snowfall. The method has since evolved and is used worldwide for drought mitigation, agricultural support, and even suppressing hail or fog. The science involves targeting supercooled clouds—those with water vapor below freezing but not yet ice. Agents like silver iodide, potassium iodide, or dry ice are dispersed via aircraft, ground generators, or rockets. These particles act as nuclei, attracting water molecules to form ice crystals that grow and fall as precipitation. For rain enhancement, seeding promotes coalescence in warm clouds; for snow, it focuses on cold ones. Applications include boosting water supplies in arid regions, like Californi
Tags: cloud seeding, weather modification, artificial rain, induce rainfall, enhance snowfall, reduce hail damage, precipitation, rain formation, water vapor, condensation, evaporation, water droplets, silver iodide, hygroscopic particles, table salt, seeding agents, static cloud seeding, dynamic cloud seeding, hygroscopic seeding, supercooled clouds
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