Chapter-2_Fig38 NCAR Command Language (NCL) scripts used to create and plot SST indices for the WG1 contributions to IPCC AR6 Chapter 2. The indices are: AMM: Atlantic Zonal Mode AZM: Atlantic Meridional Mode IOB: Indian Ocean Basin mode IOD: Indian Ocean Dipole mode Nino34: Pacific El Nino 3.4 PDV: Pacific Decadal Variability Figures 37 and 38 of the Chapter 2 IPCC WG1 AR6 are plotted using: ar6_ch2_fig2.37.ncl and ar6_ch2_fig2.38.ncl, respectively.