Cloud Seeding

Cloud seeding is a type of weather
modification that aims to change the amount
or type of precipitation that falls from clouds by
dispersing substances (such as silver iodide,
potassium iodide and dry ice (solid carbon
dioxide) and liquid propane) into the air that
serve as cloud condensation or ice nuclei.

  • Benefit: It improves a cloud’s ability to
    produce rain or snow, supplements the
    rainwater supply and cleans the
    atmosphere by introducing tiny ice nuclei
    into certain types of subfreezing clouds.
  • These nuclei provide a base for snowflakes to form.

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