Sleet or Graupel

Graupel “Soft Hail”

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Graupel (German pronunciation: [ˈɡʁaʊpəl]; Enɡlish: [ˈgɹaʊpəl]), also called soft hail or snow pellets, is precipitation that forms when supercooled water droplets are collected and freeze on falling snowflakes, forming 2–5 mm (0.08–0.20 in) balls of rime. Graupel is distinct from hail, small hail, and ice pellets: the World Meteorological Organization (https://public.wmo.int/en)defines small hail as snow pellets encapsulated by ice, a …