ESS220
Prof. Jin-Yi Yu
Breakdown of the Single Cell è Three-Cell Model
q Absolute angular momentum at Equator = Absolute angular momentum at 60°N
q The observed zonal velocity at the equatoru is ueq = -5 m/sec.
     Therefore, the total velocity at the equator is U=rotational velocity (U0 + uEq)
q The zonal wind velocity at 60°N (u60N) can be determined by the following:
                               (U0 + uEq) * a * Cos(0°) = (U60N + u60N) * a * Cos(60°)
                       (W*a*Cos0° - 5) * a * Cos0° = (W*a*Cos60° + u60N) * a * Cos(60°)
                                                               u60N = 687 m/sec !!!!
This high wind speed is not observed!