Temperature (color) and winds (arrows) as a function of longitude and latitude for (a) linear steady state calculated with ECLIPS3D with ΔT_eq,top = 100 K, τ_drag =2 × 10⁵ s and τ_rad following Iro et al. (2005). Maximum speed is 400 m s⁻¹ (b): 3D GCM result at the 80 mbar level after 10 days of simulation, with ΔT_eq,top = 1 K and the radiative timescale of Iro et al. (2005). The maximum speed is 2.5 m s⁻¹; (c): 3D GCM result at the 80 mbar level after 10 days of simulation, with ΔT_eq,top = 100 K and the radiative timescale of Iro et al. (2005). The maximum speed is 350 m s⁻¹