Early Results from the Icosahedral Gridpoint Based
Primitive Equations Model

Undamped (left) and Relaxation to a radiative equilibrium (right)

The formation of baroclinic "fronts" (colours indicate temp. & contours indicate surface pressure). Click to enlarge

Later in the evolution

Sometime later the fronts have somewhat decayed into the mean flow. In the relaxed case the equitorial fields remain zonally symmetric

Hovmoller plots (Lat. vs Time) of the ht. averaged zonal wind