ESS5
Prof.
Jin-Yi Yu
–Graupel are ice crystals that undergo extensive riming
•Lose
six sided shape and smooth out
•Either
falls to the ground or provides a nucleus for hail
–Hail
forms as concentric layers of ice build around graupel
Graupel and Hail
Extreme case of Hailstone
•Size: like
baseballs
•Falling
Speed: ~ 88mph
•Solid
& Heavy: ~ 160 g