Temp DJF: Latitude-pressure cross section of zonal-mean temperature (DJF), plotted as a deviation from a global reference value at each pressure level, from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 10 C in (a) and (b), 2 C in (c), with red/blue for pos./neg. values.



Zonal wind DJF: Latitude-pressure cross section of zonal-mean wind (DJF) from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 5 m/s in (a) and (b), 2 m/s in (c), with red/blue for pos./neg. values.



Z500 DJF: Climatology of 500-hPa height from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 10 dam in (a) and (b), 3 dam in (c) with red/blue for pos./neg. values. d), e), f) show the eddy component of the fields in a), b), and c) respectively, with a 3 dam contour int.



U925 DJF: Climatology of 925-hPa zonal wind from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 3 m/s in (a) and (b), 2 m/s in (c) with red/blue for pos./neg. values.



T700 DJF: Climatology of 700-hPa Temperature from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 5 C in (a) and (b), and 1 C in (c) with red/blue for pos./neg. values.



Prec DJF: Climatology of precipitation (in mm/day) from SPEEDY integration (a) and from the CMAP (Xie-Arkin) climatology (b); zonal mean values are shown in (c), with model in black, CMAP climatology in green, GPCP climatology in red.



OLR DJF: Climatology of OLR from SPEEDY (a) and from NOAA satellite observations (b); zonal mean values are shown in (c), with model in black and observations in green.



Hadley Cell DJF: Latitude-pressure cross section of zonal-mean (v;-100*omega) [m/s; 100 Pa/s] vector,from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c).



Omega Longitude Cross Section DJF: Longitude-pressure cross section of meridional-mean (20S to 20N) (-100*omega),from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 100*0.8 Pa/s (with red/blue for pos./neg. values.



Temp JJA: Latitude-pressure cross section of zonal-mean temperature (JJA), plotted as a deviation from a global reference value at each pressure level, from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 10 C in (a) and (b), 2 C in (c), with red/blue for pos./neg. values.



Zonal wind JJA: Latitude-pressure cross section of zonal-mean wind (JJA) from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 5 m/s in (a) and (b), 2 m/s in (c), with red/blue for pos./neg. values.



Z500 JJA: Climatology of 500-hPa height (JJA) from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 10 dam in (a) and (b), 3 dam in (c) with red/blue for pos./neg. values. d), e), f) show the eddy component of the fields in a), b), and c) respectively, with a 3 dam contour int.



U925 JJA: Climatology of 925-hPa zonal wind from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 3 m/s in (a) and (b), 2 m/s in (c) with red/blue for pos./neg. values.



T700 DJF: Climatology of 700-hPa Temperature from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 5 C in (a) and (b), and 1 C in (c) with red/blue for pos./neg. values.



Prec JJA: Climatology of precipitation (in mm/day) from SPEEDY integration (a) and from the CMAP (Xie-Arkin) climatology (b); zonal mean values are shown in (c), with model in black, CMAP climatology in green, GPCP climatology in red.



OLR JJA: Climatology of OLR from SPEEDY (a) and from NOAA satellite observations (b); zonal mean values are shown in (c), with model in black and observations in green.



Hadley Cell JJA: Latitude-pressure cross section of zonal-mean (v;-100*omega) [m/s; 100*Pa/s] vector,from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c).



Omega Longitude Cross Section JJA: Longitude-pressure cross section of meridional-mean (20S to 20N) (-100*omega) ,from SPEEDY (a) and from ECMWF reanalysis (b); mean model error (c). Contour int. 100*0.8 Pa/s with red/blue for pos./neg. values