5.7 ' 7.4 30,0 44,4 64.0 SP 0 0.2 0.4 0.6 D.8 Fractional cloud cover 0.7 —0— =red - - - Observed 0.8 NP 53.1 36.8 23,5 11,5 0.9 Meridional heat flux (1018 W) Figure 2. Latitudinal distrfttions of (a) mean air temperature. (b) cloud cover. and (c) meridional heat transport in the Earth.