A type of winter precipitation formed by packed snow flakes or ice crystals after riming has given it the appearance of small soft hail. Otherwise known as snow pellets.
A lightly rimed ice aggregate often found in vigorous storms. Formed when an ice aggregate collects supercooled liquid water droplets.
A form of precipitation which looks like round pellets. Graupel is subject to rolling and can collect in pockets. It can also form a layer with a great deal of pore space and poor bonding. The pellets themselves are snowflakes which accumulated rime ice as they fell through certain atmospheric layers