The Ferrel Cell The balance equations: Review Tropopause fu Ofu*v*] ∠0 8y Ferrel Cell: eddy-driven, 70t auoD+f网+F到 by indirect cell a0。_a0*w ∠0 00s Oy wOp a01>0 by 00s a(0*u*]) R/CP IO + Po ∂t ap by Cp Boundary fv ~rusurf>0 layer Ground Subtropics Latitude Subpolar 5! @✓s @p ⇠ ￾@[✓⇤v⇤] @y < 0 ! @✓s @p ⇠ ￾@[✓⇤v⇤] @y > 0 fv ⇠ @[u⇤v⇤] @y < 0 5 n The balance equations: The Ferrel Cell @[✓] @t + [!] @✓s @p = ￾@([✓⇤v⇤]) @y + ✓po p ◆R/cp [Q] cp @[u] @t = ￾@([u⇤v⇤]) @y + f[v]+[Fx] Ferrel Cell: eddy-driven, indirect cell Review