Accretion-Aggregation Process
Accretion (Riming)
Aggregation
Supercooled water droplets
will freeze on
contact with
ice
ice
crystal
Small ice particles will adhere to ice crystals
snowflake
Splintering
Ahrens, Fig.
5.17
Also known as
the Bergeron Process after the meteorologist
who first recognized the importance of ice in the
precipitation process