Graupel
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Graupel, also called soft hail, hominy snow, granular snow, snow pellets or popcorn snow, is precipitation that forms when supercooled water droplets in air are collected and freeze on falling snowfla
Graupel pellets in the morning, having fallen the previous day
Falling graupel
Conical graupel particle
Graupel encasing and hiding a snow crystal from view
Cumulonimbus cloud
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Cumulonimbus is a dense, towering, vertical cloud, typically forming from water vapor condensing in the lower troposphere that builds upward carried by powerful buoyant air currents. Above the lower p
Graupel
…rime. Graupel is distinct from hail and ice pellets in both formation and appearance. However, both hail and graupel are common in thunderstorms with cumulonimbus clouds, though graupel also falls in winter storms, and at higher elevations as well. The METAR code for graupel is GS. Under some atmospheric conditions…
Cumulonimbus incus over Warsaw, Poland
A cumulonimbus calvus over El Bajío, Guanajuato, Mexico.
Cumulonimbus calvus
A clearly developed cumulonimbus fibrous-edged top capillatus