The images are from the SUL (greenhouse gas + sulphate aerosol) simulation and show decadal mean surface temperature changes (in degrees centigrade) for the period running from 1900 to 2100 with respect to the period 1880 to 1920. They show no global warming during the early part of the century and projected global warming into the future. Blue colours indicate areas that are cooler than normal and red show areas that are warmer than normal.

The SUL simulation uses historic rise of greenhouse gas (CO₂) forcing, +1% increase per year from 1990, with sulphate aerosol forcing included (corrected diffuse beam over land). A new sulphate loading pattern is used at 2050 as supplied by Henning Rodhe based on IS92a scenario is used in combination with 1990 pattern to force beyond 1990.