ESS200A
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.