= Ice nucleus
{wiki=Ice_nucleus}
An ice nucleus is a small particle that serves as a substrate for the formation of ice crystals in clouds and atmospheric conditions. These particles can be made of various materials, including biological particles (like pollen or bacteria), mineral dust, or synthetic materials. Ice nuclei play a critical role in cloud formation and precipitation processes by facilitating the freezing of supercooled water droplets in a cloud, which can lead to the development of snowflakes or ice crystals.
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