NOAA claims they reduce the UHI effect at Buenos Aires in their final adjusted database, but they don’t – they actually increase it
Data.GISS: GISS Surface Temperature Analysis (v4)C
https://www.ncei.noaa.gov/pub/data/ghcn/v4/ghcnm.tavg.latest.qcu.tar.gz
https://www.ncei.noaa.gov/pub/data/ghcn/v4/ghcnm.tavg.latest.qcf.tar.gz
The GHCN database has very few stations from South America, with five of them near Buenos Aires
Data.GISS: GISS Surface Temperature Analysis (v4): Station Data
The UHI contaminated Buenos Aires thermometer gets homogenized into the other stations and triples the warming trend.
