A look at the Thompson et al paper – hi tech wiggle matching and removal of natural variables

Thompson et al (2009) – High-Tech Wiggle Matching Helps Illustrate El Nino-Induced Step Changes Guest Post by Bob Tisdale INTRODUCTION In “Identifying signatures of natural climate variability in time series of global-mean surface temperature: Methodology and Insights”, Thompson et al (2009) remove the effects of three natural variables from the Global Surface Temperature record (January…

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Ooops, Dutch Meteorological Institute caught in weather station siting failure – moved station and told nobody

KNMI has been measuring the wrong temperature for years WUWT reader Mike writes with this little bombshell on one of the world’s leading meteorological agencies. It seems they can’t get their thermometer siting correct which resulted in a bias to the record. Hmmm. Where have we heard this before? The newspaper “AD” in the Netherlands…