Fig. 15
© American Meteorological Society. Used with permission
Dependence of the terminal velocity υt (m s−1) on the maximum dimension D (m). In the database compiled by Mitchell (1996), cloud ice (blue) is assumed to form hexagonal columns, snow (green) is assumed to comprise assemblages of planar polycrystals in cirrus clouds, and graupel (red) is assumed to be lump graupel. From Seiki and Ohno (2022),