ESS5
Prof. Jin-Yi Yu
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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
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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