UK Met Office Unified Model (UM) Global Atmosphere version 7.0 (GA7.0) Nudging Experiments used in "Investigating Tropical versus Extratropical Influences on the Southern Hemisphere Tropical Edge in the Unified Model" published in Journal of Geophysical Research: Atmospheres (doi.org/10.1029/2021JD036106). Please refer to UM_nudging_experiments_readme.txt