ESS55
Prof.
Jin-Yi Yu
Carl Gustav Rossby (1898-1957)
New Understanding of Cyclone after WWII
qCarl Rossby
mathematically expressed
relationships between
mid-latitude cyclones
and the upper air during
WWII.
qMid-latitude
cyclones are a large-scale
waves (now called
Rossby waves) that grow
from the “baroclinic” instabiloity
associated with the
north-south temperature differences in middle latitudes.