Real Climate Fail

By Paul Homewood

Real Climate have just issued their attempt to disprove my allegations about temperature adjustments in the Arctic.

The only piece of evidence they can offer is this plot of temperatures at Svalbard Airport, which compares GISS temperatures with a composite series developed by Oyvind Nordli.

The graph only begins in 1980, and consequently totally misses the point that the adjustments made at GHCN reduced temperatures from around the 1940’s to the 1960’s.

Temperature records at Svalbard Airport only started in 1977, and there is no other long running on the island, so any long term comparisons cannot be made with GISS.

However, we can check other nearby locations.

Below are the GHCN plots for those stations with long running records going back to pre 1940.

ftp://ftp.ncdc.noaa.gov/pub/data/ghcn/v3/products/stnplots/

At three of the five, we see the tell tale cooling of the 1930’s through to 60’s. The other two sites are unadjusted. ( It is hard to see on the graph, but the adjustments at Vardo all took place in the 19thC).

Both Vardo and Murmansk were shown as unadjusted on my original post. (It is also worth noting that both these exhibit the same cyclical pattern, with 1940’s temperatures up around current levels).

Meanwhile, my original list is still up on my first post on the subject, detailing the nineteen stations where temperature differentials since the 1940’s had been adjusted to show more warming.

I am still waiting for anyone to show that this list is wrong.